15. 锟斤拷装锟斤拷锟睫关的碉拷锟斤拷图
锟斤拷Windows 3.0锟叫凤拷锟斤拷锟斤拷锟斤拷装锟斤拷锟睫关的碉拷锟斤拷图(DIB)锟斤拷锟结供锟斤拷锟斤拷锟斤拷於斤拷锟斤拷锟斤拷图锟今档帮拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟侥ｏ拷锟斤拷.GIF锟斤拷.JPEG之锟斤拷锟斤拷锟斤拷锟酵硷拷竦蛋锟斤拷锟绞斤拷锟絀nternet锟较憋拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷为.GIF锟斤拷.JPEG锟斤拷式锟斤拷锟斤拷锟斤拷压锟斤拷锟斤拷锟斤拷锟皆地硷拷锟斤拷锟斤拷锟斤拷锟截碉拷时锟戒。锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟紻IB锟斤拷压锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫★拷DIB锟节的碉拷锟斤拷图锟斤拷锟斤拷锟斤拷没锟叫憋拷压锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诔锟绞斤拷胁锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟绞碉拷锟斤拷锟斤拷锟揭伙拷锟斤拷诺恪IB锟斤拷锟斤拷.GIF锟斤拷.JPEG锟斤拷锟斤拷锟斤拷Windows API直锟斤拷支援DIB锟斤拷锟斤拷锟斤拷诩锟斤拷锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷锟斤拷锟酵匡拷锟斤拷锟结供指锟斤拷锟紻IB锟斤拷指锟斤拷锟斤拷为某些锟斤拷式锟侥诧拷锟斤拷锟斤拷锟斤拷锟斤拷示DIB锟斤拷锟紻IB转锟斤拷为DDB锟斤拷
DIB锟斤拷锟斤拷锟斤拷式
锟斤拷
锟斤拷锟斤拷思锟斤拷锟角ｏ拷DIB锟斤拷式锟斤拷锟斤拷锟斤拷源锟斤拷锟絎indows锟斤拷锟斤拷锟斤拷锟饺讹拷锟斤拷锟斤拷OS/2锟斤拷1.1锟斤拷锟叫ｏ拷锟斤拷锟斤拷业系统锟斤拷锟斤拷锟絀BM锟斤拷Microsoft锟节帮拷十锟斤拷锟斤拷锟斤拷诳锟绞硷拷锟斤拷锟斤拷锟絆S/2 1.1锟斤拷1988锟疥发锟斤拷锟斤拷锟斤拷锟斤拷锟角碉拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Windows锟斤拷图锟斤拷使锟斤拷锟竭斤拷锟斤拷锟絆S/2锟芥本锟斤拷锟斤拷图锟斤拷使锟斤拷锟竭斤拷锟芥被锟斤拷之为锟斤拷Presentation Manager锟斤拷PM锟斤拷锟斤拷锟斤拷锟斤拷Presentation Manager锟斤拷锟斤拷锟斤拷锟剿讹拷锟斤拷锟斤拷锟酵硷拷锟绞斤拷摹锟酵硷拷纬锟绞斤拷锟斤拷妗癸拷锟紾PI锟斤拷锟斤拷
然锟斤拷锟斤拷Windows 3.0锟叫ｏ拷锟斤拷锟斤拷锟�1990锟斤拷使锟斤拷锟斤拷OS/2锟斤拷锟斤拷图锟斤拷式锟斤拷锟斤拷时锟斤拷之为DIB锟斤拷Windows 3.0也锟斤拷锟斤拷锟斤拷原始DIB锟斤拷式锟侥憋拷锟藉，锟斤拷锟斤拷Windows锟铰筹拷为锟斤拷准锟斤拷锟斤拷Windows 95锟斤拷锟皆硷拷Windows NT 4.0锟斤拷锟斤拷Windows 98锟斤拷锟皆硷拷Windows NT 5.0锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷一些锟斤拷锟斤拷锟斤拷锟斤拷强锟斤拷锟斤拷锟斤拷锟揭伙拷锟节憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟角★拷
DIB锟斤拷锟斤拷锟斤拷为一锟街碉拷锟斤拷锟斤拷式锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷为.BMP锟斤拷锟节硷拷锟斤拷锟斤拷锟斤拷锟轿�.DIB锟斤拷Windows应锟矫筹拷式使锟矫的碉拷锟斤拷图图锟今被碉拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为唯锟斤拷锟斤拷源锟斤拷锟斤拷锟节筹拷式锟侥匡拷执锟叫碉拷锟斤拷锟叫★拷图示锟酵伙拷锟斤拷锟轿憋拷也锟斤拷锟斤拷式锟斤拷锟叫诧拷同锟斤拷DIB锟斤拷锟斤拷锟斤拷
锟斤拷式锟杰斤拷DIB锟斤拷锟斤拷锟斤拷去前14锟斤拷位元锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥硷拷锟斤拷锟斤拷锟斤拷小锟斤拷锟绞憋拷涂锟斤拷猿锟斤拷锟轿拷锟絧acked DIB锟斤拷packed-DIB锟斤拷锟斤拷式锟侥碉拷锟斤拷图锟斤拷锟斤拷锟斤拷Windows锟斤拷执锟叫碉拷应锟矫筹拷式锟斤拷使锟斤拷packed DIB锟斤拷式锟斤拷通锟斤拷Windows锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟剿拷锟斤拷锟绞揭诧拷锟斤拷锟斤拷锟饺拷锟饺IB锟斤拷锟斤拷锟捷诧拷锟斤拷锟斤拷锟解方式锟睫革拷DIB锟斤拷
锟斤拷式也锟斤拷锟节硷拷锟斤拷锟斤拷锟叫斤拷锟斤拷锟皆硷拷锟斤拷DIB然锟斤拷锟斤拷锟斤拷谴锟斤拷氲碉拷锟斤拷锟斤拷锟绞绞癸拷锟紾DI锟斤拷式锟斤拷锟叫撅拷锟杰★拷锟斤拷锟狡★拷锟斤拷些DIB锟节碉拷图锟斤拷也锟斤拷锟节筹拷锟斤拷锟斤拷锟斤拷锟矫憋拷募锟斤拷锟斤拷锟紻IB直锟斤拷锟借定锟酵诧拷锟斤拷图锟斤拷位元锟斤拷
锟节硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟结，锟斤拷式也锟斤拷通锟斤拷锟斤拷锟斤拷Windows API锟斤拷式锟斤拷锟斤拷锟斤拷使锟斤拷DIB锟斤拷锟较ｏ拷锟揭斤拷锟节憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫癸拷锟斤拷锟捷★拷锟斤拷DIB锟斤拷氐锟紸PI锟斤拷锟斤拷锟角猴拷锟劫的ｏ拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷印锟斤拷锟斤拷页锟斤拷锟斤拷锟斤拷示DIB锟斤拷兀锟斤拷锟斤拷锟阶拷锟紾DI锟斤拷锟斤拷图锟斤拷锟斤拷泄亍锟�
锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷锟斤拷应锟矫筹拷式锟斤拷要锟斤拷傻锟紻IB锟斤拷锟今，讹拷锟斤拷些锟斤拷锟斤拷Windows锟斤拷业系统锟斤拷锟斤拷支援锟斤拷锟斤拷锟界，锟斤拷式锟斤拷锟杰达拷取锟斤拷24位元DIB锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟轿拷锟斤拷锟斤拷锟窖伙拷锟斤拷256色锟斤拷色锟教碉拷8位元DIB锟斤拷锟斤拷Windows锟斤拷锟斤拷为锟斤拷执锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节憋拷锟铰猴拷锟斤拷一锟铰斤拷锟斤拷锟斤拷锟斤拷示Windows API之锟斤拷牟锟斤拷锟紻IB锟侥凤拷式锟斤拷
OS/2锟斤拷式锟斤拷DIB
锟斤拷
锟饺诧拷要锟斤拷锟斤拷太锟斤拷锟较革拷冢锟斤拷锟斤拷锟斤拷强锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟絆S/2 1.1锟叫筹拷锟街的碉拷锟斤拷图锟斤拷式锟斤拷锟捷碉拷Windows DIB锟斤拷式锟斤拷
DIB锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷要锟斤拷锟街ｏ拷
- 锟斤拷锟斤拷锟斤拷头
锟斤拷 - 锟斤拷讯锟斤拷头
锟斤拷 - RGB色锟绞讹拷锟秸憋拷锟斤拷锟斤拷一锟斤拷锟叫ｏ拷
锟斤拷 - 锟斤拷锟斤拷图图锟斤拷位元
锟斤拷
锟斤拷锟斤拷锟皆帮拷前锟斤拷锟斤拷锟街匡拷锟斤拷锟斤拷C锟斤拷锟斤拷锟较结构锟斤拷锟窖碉拷锟斤拷锟斤拷锟街匡拷锟斤拷锟斤拷锟斤拷锟较结构锟斤拷锟斤拷锟叫★拷锟斤拷Windows锟斤拷头锟斤拷锟斤拷WINGDI.H锟斤拷说锟斤拷锟斤拷锟斤拷些锟结构锟斤拷锟节硷拷锟斤拷锟斤拷锟叫碉拷packed DIB锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街ｏ拷
- 锟斤拷讯锟斤拷头
锟斤拷 - RGB色锟绞讹拷锟秸憋拷锟斤拷锟斤拷一锟斤拷锟叫ｏ拷
锟斤拷 - 锟斤拷锟斤拷图图锟斤拷位元
锟斤拷
锟斤拷锟斤拷没锟叫碉拷锟斤拷锟斤拷头锟解，锟斤拷锟斤拷锟斤拷锟斤拷锟诫储锟斤拷锟节碉拷锟斤拷锟节碉拷DIB锟斤拷同锟斤拷
DIB锟斤拷锟斤拷锟斤拷锟斤拷锟角硷拷锟斤拷锟斤拷锟叫碉拷packed DIB锟斤拷锟皆讹拷锟斤拷为锟斤拷锟铰结构锟斤拷14锟斤拷位元锟斤拷牡锟斤拷锟斤拷锟酵凤拷锟绞硷拷锟�
typedef struct tagBITMAPFILEHEADER // bmfh
{
WORD bfType ; // signature word "BM" or 0x4D42
DWORD bfSize ; // entire size of file
WORD bfReserved1 ; // must be zero
WORD bfReserved2 ; // must be zero
DWORD bfOffsetBits ; // offset in file of DIB pixel bits
}
BITMAPFILEHEADER, * PBITMAPFILEHEADER ;
锟斤拷WINGDI.H锟节讹拷锟斤拷慕峁癸拷锟斤拷锟斤拷锟斤拷獠伙拷锟饺拷锟酵拷锟斤拷锟斤拷诠锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷摹锟斤拷锟揭伙拷锟阶拷停锟斤拷锟斤拷锟斤拷锟斤拷帧锟絙mfh锟斤拷锟斤拷指锟斤拷锟剿革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷态锟斤拷锟斤拷锟较憋拷锟斤拷锟斤拷锟斤拷时锟狡硷拷锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷业某锟绞斤拷诳锟斤拷锟斤拷锟斤拷锟轿猵bmfh锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟街革拷锟紹ITMAPFILEHEADER锟斤拷态锟结构锟斤拷指锟斤拷锟街革拷锟絇BITMAPFILEHEADER锟斤拷态锟斤拷锟斤拷锟斤拷指锟疥。
锟结构锟侥筹拷锟斤拷为14位元锟介，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷BM锟斤拷锟斤拷头锟斤拷指锟斤拷锟角碉拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷WORD值0x4D42锟斤拷锟斤拷锟斤拷锟节★拷BM锟斤拷锟斤拷锟紻WORD锟斤拷位元锟斤拷为锟斤拷位指锟斤拷锟剿帮拷锟斤拷锟斤拷锟斤拷锟斤拷头锟斤拷锟节的碉拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷WORD锟斤拷位锟借定为0锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷式锟斤拷锟狡的伙拷锟斤拷锟轿标档锟斤拷锟节ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷位指锟斤拷锟轿憋拷摹锟斤拷鹊悖╤ot spot锟斤拷锟斤拷锟斤拷锟斤拷锟结构锟斤拷锟斤拷锟斤拷一锟斤拷DWORD锟斤拷位锟斤拷锟斤拷指锟斤拷锟剿碉拷锟斤拷锟斤拷图锟斤拷位元锟斤拷始位锟矫碉拷位元锟斤拷偏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷DIB锟斤拷讯锟斤拷头锟叫碉拷锟斤拷讯锟斤拷为锟斤拷使锟矫的凤拷锟斤拷锟结供锟斤拷锟斤拷锟斤。
锟斤拷OS/2锟斤拷式锟斤拷DIB锟节ｏ拷BITMAPFILEHEADER锟结构锟斤拷锟斤拷锟斤拷锟紹ITMAPCOREHEADER锟结构锟斤拷锟斤拷锟结供锟剿癸拷锟紻IB图锟斤拷幕锟斤拷锟斤拷锟窖讹拷锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷Packed DIB锟斤拷锟斤拷始锟紹ITMAPCOREHEADER锟斤拷
typedef struct tagBITMAPCOREHEADER // bmch
{
DWORD bcSize ; // size of the structure = 12
WORD bcWidth ; // width of image in pixels
WORD bcHeight ; // height of image in pixels
WORD bcPlanes ; // = 1
WORD bcBitCount ; // bits per pixel (1, 4, 8, or 24)
}
BITMAPCOREHEADER, * PBITMAPCOREHEADER ;
锟斤拷core锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤看锟斤拷锟斤拷锟叫碉拷锟斤拷锟截ｏ拷锟斤拷锟斤拷指锟斤拷锟街革拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷图锟斤拷式锟侥伙拷锟斤拷锟斤拷
BITMAPCOREHEADER锟结构锟叫碉拷bcSize锟斤拷位指锟斤拷锟斤拷锟斤拷锟较结构锟侥达拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�12位元锟介。
bcWidth锟斤拷bcHeight锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷为锟斤拷位锟侥碉拷锟斤拷图锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷位使锟斤拷WORD锟斤拷味锟斤拷一锟斤拷DIB锟斤拷锟斤拷为65,535图锟截高和匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟角硷拷锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷么锟斤拷牡锟轿伙拷锟�
bcPlanes锟斤拷位锟斤拷值始锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟轿伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絎indows GDI锟斤拷锟斤拷图锟斤拷锟斤拷牟锟斤拷锟斤拷铩�
bcBitCount锟斤拷位指锟斤拷锟斤拷每图锟截碉拷位元锟斤拷锟斤拷锟斤拷锟絆S/2锟斤拷式锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟�1锟斤拷4锟斤拷8锟斤拷24锟斤拷DIB图锟斤拷锟叫碉拷锟斤拷色锟斤拷锟斤拷锟�2bmch.bcBitCount锟斤拷锟斤拷锟斤拷C锟斤拷锟斤法锟斤拷示为锟斤拷
1 << bmch.bcBitCount
锟斤拷锟斤拷锟斤拷bcBitCount锟斤拷位锟斤拷於ｏ拷
- 1锟斤拷锟斤拷2色DIB
锟斤拷 - 4锟斤拷锟斤拷16色DIB
锟斤拷 - 8锟斤拷锟斤拷256色DIB
锟斤拷 - 24锟斤拷锟斤拷full -Color DIB
锟斤拷
锟斤拷锟斤拷锟结到锟斤拷8位元DIB锟斤拷时锟斤拷锟斤拷锟斤拷说每图锟斤拷占8位元锟斤拷DIB锟斤拷
锟斤拷锟角帮拷锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷位元锟斤拷为1锟斤拷4锟斤拷8时锟斤拷锟斤拷BITMAPCOREHEADER锟斤拷锟斤拷锟缴拷识锟斤拷毡锟斤拷锟�24位元DIB没锟斤拷色锟绞讹拷锟秸憋拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷一锟斤拷3位元锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟叫碉拷每锟斤拷元锟截达拷锟斤拷图锟斤拷锟叫碉拷每锟斤拷锟斤拷色锟斤拷
typedef struct tagRGBTRIPLE // rgbt
{
BYTE rgbtBlue ; // blue level
BYTE rgbtGreen ; // green level
BYTE rgbtRed ; // red level
}
RGBTRIPLE ;
锟斤拷锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟皆憋拷DIB锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟角斤拷锟斤拷锟斤拷一锟斤拷说锟斤拷原锟斤拷
WINGDI.H锟斤拷头锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷慕峁癸拷锟�
typedef struct tagBITMAPCOREINFO // bmci
{
BITMAPCOREHEADER bmciHeader ; // core-header structure
RGBTRIPLE bmciColors[1] ; // color table array
}
BITMAPCOREINFO, * PBITMAPCOREINFO ;
锟斤拷锟斤拷峁癸拷锟斤拷锟窖讹拷锟酵凤拷锟缴拷识锟斤拷毡锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷峁癸拷锟絉GBTRIPLE锟结构锟斤拷锟斤拷锟斤拷锟斤拷锟�1锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆诧拷锟结发锟斤拷只锟斤拷一锟斤拷RGBTRIPLE锟斤拷锟斤拷锟斤拷每锟斤拷图锟截碉拷位元锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟侥达拷小始锟斤拷锟斤拷2锟斤拷16锟斤拷256锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟斤拷锟揭�8位元DIB锟斤拷锟斤拷PBITMAPCOREINFO锟结构锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
pbmci = malloc (sizeof (BITMAPCOREINFO) + 255 * sizeof (RGBTRIPLE)) ;
然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺GBTRIPLE锟结构锟斤拷
pbmci->bmciColors[i]
锟斤拷为RGBTRIPLE锟结构锟侥筹拷锟斤拷锟斤拷3位元锟介，锟斤拷锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷位址锟斤拷始锟斤拷然锟斤拷锟斤拷锟斤拷为锟斤拷DIB锟斤拷锟斤拷锟斤拷始锟斤拷锟斤拷偶锟斤拷锟斤拷锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟皆斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷峡锟斤拷锟斤拷锟斤拷锟絎ORD位址锟竭界开始锟斤拷
锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷24位元DIB锟斤拷锟斤拷锟斤拷讯锟斤拷头锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟轿辉拷锟斤拷锟斤拷锟�
锟斤拷锟铰讹拷锟斤拷
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷式一锟斤拷锟斤拷DIB锟叫碉拷图锟斤拷位元锟斤拷锟斤拷水平锟斤拷锟斤拷织锟侥ｏ拷锟斤拷锟斤拷讯锟斤拷示锟斤拷硬锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷扫锟斤拷锟竭★拷锟斤拷锟斤拷锟斤拷锟斤拷锟紹ITMAPCOREHEADER锟结构锟斤拷bcHeight锟斤拷位锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷式锟斤拷同锟斤拷锟角ｏ拷DIB锟斤拷图锟斤拷牡锟斤拷锌锟绞硷拷锟斤拷锟斤拷媳锟绞就硷拷锟�
锟节达拷应锟斤拷锟斤拷一些锟斤拷锟斤，锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷锟叫★拷锟酵★拷锟斤拷锟叫★拷时锟斤拷指锟斤拷锟角碉拷锟斤拷锟斤拷确锟斤拷示锟斤拷锟斤拷示锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷页锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷亩锟斤拷锟斤拷偷撞锟斤拷锟斤拷秃锟斤拷锟叫わ拷锟侥讹拷锟斤拷锟斤拷头锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰巴ｏ拷锟斤拷DIB锟斤拷锟斤拷锟叫的★拷锟斤拷一锟叫★拷指锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟酵硷拷锟斤拷校锟斤拷锟斤拷锟斤拷锟斤拷小锟街革拷锟斤拷堑锟斤拷锟斤拷锟侥╋拷说锟酵硷拷锟斤拷小锟�
锟斤拷耍锟斤拷锟紻IB锟叫ｏ拷图锟斤拷牡锟斤拷锟斤拷堑锟斤拷锟斤拷牡锟揭伙拷校锟酵硷拷锟侥讹拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷一锟叫★拷锟斤拷锟街拷锟斤拷露锟斤拷系锟斤拷锟街拷锟斤拷锟轿拷锟斤拷锟斤拷锟街拷锟街憋拷锟斤拷喾达拷锟斤拷锟斤拷锟斤拷芑锟斤拷剩锟轿裁匆拷锟矫达拷锟斤拷锟�
锟矫ｏ拷锟斤拷锟斤拷锟斤拷锟角回碉拷OS/2锟斤拷Presentation Manager锟斤拷IBM锟斤拷锟斤拷锟斤拷为PM锟节碉拷锟斤拷锟斤拷系统锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷图锟轿和碉拷锟斤拷图锟斤拷应锟斤拷锟斤拷一锟铰的★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟桔ｏ拷锟斤拷锟斤拷锟斤拷耍锟斤拷锟斤拷锟斤拷锟饺拷锟斤拷锟斤拷锟斤拷址锟绞斤拷卤锟教猴拷锟接达拷锟斤拷锟斤拷锟铰癸拷锟斤拷锟侥筹拷式写锟斤拷锟斤拷锟斤拷为应使锟矫达拷直锟斤拷锟斤拷锟斤拷萤幕锟斤拷锟斤拷锟斤拷锟斤拷锟接碉拷锟斤拷锟疥。然锟斤拷锟斤拷锟斤拷锟斤拷图锟轿筹拷式写锟斤拷锟斤拷锟斤拷为应使锟矫斤拷锟斤拷锟斤拷锟轿碉拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷直锟斤拷锟斤拷锟节空硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟接碉拷直锟角ｏ拷锟斤拷芽锟斤拷锟斤拷锟斤拷锟斤拷锟较碉拷锟�
锟斤拷锟斤拷锟街拷锟斤拷锟窖э拷锟斤拷锟接拷恕锟絇M锟节碉拷锟斤拷锟斤拷锟斤拷锟斤都锟斤拷锟斤拷锟铰斤拷为原锟姐（锟斤拷锟斤拷锟接达拷锟斤拷锟疥）锟斤拷锟斤拷锟紻IB也锟斤拷锟斤拷锟斤拷锟斤拷锟街凤拷式锟斤拷
DIB图锟斤拷位元
锟斤拷
DIB锟斤拷锟斤拷锟斤拷锟斤拷锟结部锟街ｏ拷锟节达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟藉）锟斤拷实锟绞碉拷DIB锟斤拷图锟斤拷位元锟斤拷伞锟酵硷拷锟轿辉拷锟斤拷纱锟酵硷拷锟侥碉拷锟叫匡拷始锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷水平锟斤拷锟斤拷织锟侥★拷
DIB锟叫碉拷锟斤拷锟斤拷锟斤拷锟紹ITMAPCOREHEADER锟结构锟斤拷bcHeight锟斤拷位锟斤拷每一锟叫碉拷图锟斤拷锟斤拷锟斤拷於该结构锟斤拷bcWidth锟斤拷位锟斤拷每一锟叫达拷锟斤拷锟斤拷叩锟酵硷拷乜锟绞硷拷锟街憋拷锟酵硷拷锟斤拷锟揭边★拷每锟斤拷图锟截碉拷位元锟斤拷锟斤拷锟皆达拷bcBitCount锟斤拷位取锟矫ｏ拷为1锟斤拷4锟斤拷8锟斤拷24锟斤拷
锟斤拷位元锟斤拷为锟斤拷位锟斤拷每锟叫筹拷锟斤拷始锟斤拷锟斤拷4锟侥憋拷锟斤拷锟斤拷锟叫的筹拷锟饺匡拷锟皆硷拷锟斤拷为锟斤拷
RowLength = 4 * ((bmch.bcWidth * bmch.bcBitCount + 31) / 32) ;
锟斤拷锟斤拷锟斤拷C锟斤拷锟矫革拷锟斤拷效锟侥凤拷锟斤拷锟斤拷
RowLength = ((bmch.bcWidth * bmch.bcBitCount + 31) & ~31) >> 3 ;
锟斤拷锟斤拷锟揭拷锟斤拷锟酵拷锟斤拷锟斤拷冶卟锟斤拷锟斤拷校锟酵拷锟斤拷锟斤拷锟斤拷悖╋拷锟斤拷锟缴筹拷锟饺★拷图锟斤拷锟斤拷锟较碉拷锟斤拷位元锟斤拷锟斤拷锟斤拷锟絉owLength锟斤拷bmch.bcHeight锟侥乘伙拷锟斤拷
要锟剿斤拷图锟截憋拷锟斤拷姆锟绞斤拷锟斤拷锟斤拷锟斤拷欠直锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷校锟矫匡拷锟轿辉拷锟斤拷位元锟斤拷示锟节匡拷锟节诧拷锟揭憋拷锟剿号ｏ拷7锟斤拷示锟斤拷锟轿辉拷锟�0锟斤拷示锟斤拷锟轿辉拷锟酵硷拷锟揭诧拷锟斤拷械锟斤拷锟斤拷锟剿达拷0锟斤拷始锟斤拷拧锟�
锟斤拷锟矫客硷拷锟�1位元锟斤拷DIB锟斤拷每位元锟斤拷锟接ξ�8图锟截★拷锟斤拷锟斤拷叩锟酵硷拷锟斤拷堑锟揭伙拷锟轿辉拷锟斤拷锟斤拷锟轿辉拷锟�
锟斤拷
每锟斤拷图锟截匡拷锟斤拷锟斤拷0锟斤拷1锟斤拷0锟斤拷示锟斤拷图锟截碉拷锟斤拷色锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷一锟斤拷RGBTRIPLE锟斤拷目锟斤拷锟斤拷锟斤拷1锟斤拷示图锟截碉拷锟斤拷色锟斤拷色锟绞讹拷锟秸憋拷锟侥第讹拷锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷
锟斤拷锟矫客硷拷锟�4位元锟斤拷DIB锟斤拷每锟斤拷位元锟斤拷锟接︼拷锟斤拷锟酵硷拷亍锟斤拷锟斤拷锟竭碉拷图锟斤拷锟角碉拷一锟斤拷位元锟斤拷母锟�4位元锟斤拷锟皆达拷锟斤拷锟狡ｏ拷
锟斤拷
每图锟斤拷4位元锟斤拷值锟侥凤拷围锟斤拷0锟斤拷15锟斤拷锟斤拷值锟斤拷指锟斤拷色锟绞讹拷锟秸憋拷锟斤拷16锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟矫客硷拷锟�8位元锟斤拷DIB锟斤拷每锟斤拷位元锟斤拷为1锟斤拷图锟截ｏ拷
锟斤拷
位元锟斤拷锟街碉拷锟�0锟斤拷255锟斤拷同锟斤拷锟斤拷锟斤拷也锟斤拷指锟斤拷色锟绞讹拷锟秸憋拷锟斤拷256锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟矫客硷拷锟�24位元锟斤拷DIB锟斤拷每锟斤拷图锟斤拷锟斤拷要3锟斤拷位元锟斤拷锟斤拷锟斤拷锟斤拷锟届、锟教猴拷锟斤拷锟斤拷锟斤拷色值锟斤拷图锟斤拷位元锟斤拷每一锟叫ｏ拷锟斤拷锟斤拷锟较撅拷锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷要锟斤拷每锟叫碉拷末锟剿诧拷0锟皆憋拷锟斤拷锟轿�4位元锟斤拷谋锟斤拷锟斤拷锟�
锟斤拷
每图锟斤拷24位元锟斤拷DIB没锟斤拷色锟绞讹拷锟秸憋拷锟斤拷
锟斤拷展锟斤拷Windows DIB
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Windows 3.0锟叫斤拷锟杰碉拷锟斤拷OS/2锟斤拷锟捷碉拷DIB锟斤拷同时也锟斤拷一锟斤拷Windows锟斤拷DIB锟斤拷锟斤拷展锟芥本锟斤拷
锟斤拷锟斤拷DIB锟斤拷式锟斤拷前锟斤拷母锟绞揭伙拷锟斤拷锟斤拷锟紹ITMAPFILEHEADER锟结构锟斤拷始锟斤拷锟斤拷锟角斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷锟斤拷BITMAPCOREHEADER锟结构锟斤拷
typedef struct tagBITMAPINFOHEADER // bmih
{
DWORD biSize ; // size of the structure = 40
LONG biWidth ; // width of the image in pixels
LONG biHeight ; // height of the image in pixels
WORD biPlanes ; // = 1
WORD biBitCount ; // bits per pixel (1, 4, 8, 16, 24, or 32)
DWORD biCompression ; // compression code
DWORD biSizeImage ; // number of bytes in image
LONG biXPelsPerMeter ; // horizontal resolution
LONG biYPelsPerMeter ; // vertical resolution
DWORD biClrUsed ; // number of colors used
DWORD biClrImportant ; // number of important colors
}
BITMAPINFOHEADER, * PBITMAPINFOHEADER ;
锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟结构锟侥碉拷一锟斤拷位锟斤拷锟斤拷锟斤拷OS/2锟斤拷锟捷碉拷DIB锟斤拷Windows DIB锟斤拷前锟斤拷为12锟斤拷锟斤拷锟斤拷为40锟斤拷
锟斤拷锟斤拷注锟解到锟斤拷锟斤拷锟斤拷锟斤拷峁癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拥锟斤拷锟轿伙拷锟斤拷锟斤拷锟紹ITMAPINFOHEADER锟斤拷锟角简单碉拷锟斤拷BITMAPCOREHEADER锟斤拷锟斤拷一些锟斤拷锟斤拷位锟斤拷锟缴★拷锟斤拷细锟斤拷一锟铰ｏ拷锟斤拷BITMAPCOREHEADER锟结构锟叫ｏ拷bcWidth锟斤拷bcHeight锟斤拷位锟斤拷16位元WORD值锟斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷锟斤拷32位元LONG值锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷浠拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟介烦锟斤拷
锟斤拷一锟斤拷锟戒化锟角ｏ拷锟斤拷锟绞癸拷锟紹ITMAPINFOHEADER锟结构锟斤拷1位元锟斤拷4位元锟斤拷8位元DIB锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟叫★拷锟洁反锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷一锟斤拷RGBQUAD锟结构锟斤拷锟斤拷锟叫ｏ拷
typedef struct tagRGBQUAD // rgb
{
BYTE rgbBlue ; // blue level
BYTE rgbGreen ; // green level
BYTE rgbRed ; // red level
BYTE rgbReserved ; // = 0
}
RGBQUAD ;
锟斤拷锟剿帮拷锟斤拷锟斤拷锟斤拷锟借定为0锟侥碉拷锟侥革拷锟斤拷位锟解，锟斤拷RGBTRIPLE锟结构锟斤拷同锟斤拷 WINGDI.H锟斤拷头锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟铰结构锟斤拷
typedef struct tagBITMAPINFO // bmi
{
BITMAPINFOHEADER bmiHeader ; // info-header structure
RGBQUAD bmiColors[1] ; // color table array
}
BITMAPINFO, * PBITMAPINFO ;
注锟解，锟斤拷锟紹ITMAPINFO锟结构锟斤拷32位元锟斤拷位址锟竭界开始锟斤拷锟斤拷为BITMAPINFOHEADER锟结构锟侥筹拷锟斤拷锟斤拷40位元锟介，锟斤拷锟斤拷RGBQUAD锟斤拷锟斤拷锟节碉拷每一锟斤拷锟斤拷目也锟斤拷32位锟竭界开始锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷通锟斤拷32位元微锟斤拷锟斤拷锟斤拷锟杰革拷锟斤拷效锟截讹拷色锟绞讹拷锟秸憋拷锟斤拷锟较讹拷址锟斤拷
锟斤拷锟斤拷BITMAPINFOHEADER锟斤拷锟斤拷锟斤拷锟絎indows 3.0锟叫讹拷锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿伙拷锟絎indows 95锟斤拷Windows NT 4.0锟斤拷锟斤拷锟斤拷锟铰讹拷锟斤拷锟剿ｏ拷锟斤拷锟揭憋拷锟斤拷锟斤拷Windows 98锟斤拷Windows NT 5.0锟叫★拷锟斤拷锟斤拷锟斤拷锟节碉拷锟侥硷拷锟斤拷说锟斤拷锟斤拷锟斤拷锟絙iHeight锟角革拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟斤拷隙锟斤拷碌锟紻IB锟斤拷原锟斤拷锟斤拷锟斤拷锟较角★拷锟斤拷锟斤拷芎茫锟斤拷锟斤拷锟斤拷锟�1990锟斤拷湛锟绞硷拷锟斤拷锟紻IB锟斤拷式时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷谩锟斤拷业慕锟斤拷锟斤拷潜锟斤拷饨拷锟斤拷锟斤拷隙锟斤拷碌锟紻IB锟斤拷锟斤拷一些锟斤拷式锟节憋拷写时没锟叫匡拷锟斤拷锟斤拷锟斤拷锟铰★拷锟斤拷锟皆★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷biHeight锟斤拷位时锟结当锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Microsoft Word 97锟斤拷锟叫碉拷Microsoft Photo Editor锟斤拷锟斤拷锟斤拷锟斤拷锟较讹拷锟铰碉拷DIB时锟结报锟芥「图锟斤拷叨炔锟斤拷戏锟斤拷锟斤拷锟斤拷锟饺籛ord 97锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
biPlanes锟斤拷位始锟斤拷锟斤拷1锟斤拷锟斤拷biBitCount锟斤拷位锟斤拷锟节匡拷锟斤拷锟斤拷16锟斤拷32锟皆硷拷1锟斤拷4锟斤拷8锟斤拷24锟斤拷锟斤拷也锟斤拷锟斤拷Windows 95锟斤拷Windows NT 4.0锟叫碉拷锟斤拷锟斤拷锟皆★拷一锟斤拷锟斤拷医锟斤拷锟斤拷锟斤拷锟叫╋拷锟斤拷痈锟绞斤拷锟斤拷锟斤拷姆锟绞斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷biCompression锟斤拷biSizeImage锟斤拷位锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷恰锟�
biXPelsPerMeter锟斤拷biYPelsPerMeter锟斤拷位锟斤拷每锟斤拷锟竭讹拷锟斤拷图锟斤拷锟斤拷锟街憋拷拙锟侥碉拷位指锟斤拷图锟斤拷锟绞碉拷食叽纭ｏ拷锟斤拷锟絧el锟斤拷--picture element锟斤拷图锟斤拷元锟截ｏ拷--锟斤拷IBM锟斤拷图锟截的称猴拷锟斤拷锟斤拷Windows锟斤拷锟节诧拷锟斤拷使锟矫达拷锟斤拷锟斤拷讯锟斤拷然锟斤拷锟斤拷应锟矫筹拷式锟杰癸拷锟斤拷锟斤拷锟斤拷锟斤拷准确锟侥达拷小锟斤拷示DIB锟斤拷锟斤拷锟紻IB锟斤拷源锟矫伙拷蟹锟酵硷拷氐锟斤拷璞革拷锟斤拷锟叫╋拷锟轿伙拷呛锟斤拷锟斤拷玫摹锟斤拷诖锟斤拷锟斤拷DIB锟节ｏ拷锟斤拷些锟斤拷位锟借定为0锟斤拷锟斤拷锟绞久伙拷薪锟斤拷锟斤拷实锟绞达拷小锟斤拷每英锟斤拷72锟斤拷慕锟斤拷锟斤拷龋锟斤拷锟绞憋拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷实锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷拇锟叫★拷锟斤拷锟皆硷拷嗟憋拷每锟斤拷锟斤拷2835锟斤拷图锟截ｏ拷300 DPI锟斤拷锟斤拷通印锟斤拷锟斤拷锟侥斤拷锟斤拷锟斤拷锟斤拷每锟斤拷锟斤拷11,811锟斤拷图锟截★拷
biClrUsed锟角非筹拷锟斤拷要锟斤拷锟斤拷位锟斤拷锟斤拷为锟斤拷影锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�4位元锟斤拷8位元DIB锟斤拷锟斤拷锟杰分憋拷指锟斤拷色锟绞讹拷锟秸憋拷锟叫帮拷锟斤拷锟斤拷小锟�16锟斤拷256锟斤拷锟斤拷目锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷锟矫ｏ拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷小DIB锟斤拷小锟侥凤拷锟斤拷锟斤拷锟斤拷锟界，锟斤拷锟斤拷DIB图锟斤拷锟斤拷锟斤拷锟�64锟斤拷锟揭阶ｏ拷biClrUsed锟斤拷位锟借定为64锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷为256锟斤拷位元锟斤拷锟叫★拷锟缴拷识锟斤拷毡锟斤拷锟斤拷锟斤拷锟�64锟斤拷RGBQUAD锟结构锟斤拷图锟斤拷值锟侥凤拷围锟斤拷0x00锟斤拷0x3F锟斤拷DIB锟斤拷然每图锟斤拷锟斤拷要1位元锟介，锟斤拷每锟斤拷图锟斤拷位元锟斤拷母锟�2位元为锟姐。锟斤拷锟絙iClrUsed锟斤拷位锟借定为0锟斤拷锟斤拷味锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷锟斤拷biBitCount锟斤拷位锟斤拷示锟斤拷全锟斤拷锟斤拷目锟斤拷锟斤拷
锟斤拷Windows 95锟斤拷始锟斤拷biClrUsed锟斤拷位锟斤拷锟�16位元锟斤拷24位元锟斤拷32位元DIB锟斤拷锟斤拷为锟斤拷锟姐。锟斤拷锟斤拷些锟斤拷锟斤拷拢锟絎indows锟斤拷使锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷图锟斤拷位元锟斤拷锟洁反锟截ｏ拷锟斤拷指锟斤拷DIB锟斤拷色锟绞讹拷锟秸憋拷锟侥达拷小锟斤拷锟斤拷式使锟矫革拷锟斤拷讯锟斤拷锟借定锟斤拷色锟斤拷锟斤拷256色锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷示DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷OS/2锟斤拷锟捷革拷式锟叫ｏ拷24位元DIB没锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷Windows 3.0锟叫碉拷锟斤拷展锟斤拷式锟叫ｏ拷也锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷Windows 95锟叫ｏ拷24位元DIB锟斤拷色锟绞讹拷锟秸憋拷锟斤拷biClrUsed锟斤拷位指锟斤拷锟斤拷锟斤拷锟侥达拷小锟斤拷
锟杰斤拷锟斤拷锟铰ｏ拷
- 锟斤拷锟�1位元DIB锟斤拷biClrUsed始锟斤拷锟斤拷0锟斤拷2锟斤拷色锟绞讹拷锟秸憋拷始锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷目锟斤拷
锟斤拷 - 锟斤拷锟�4位元DIB锟斤拷锟斤拷锟絙iClrUsed锟斤拷位锟斤拷0锟斤拷16锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷16锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷谴锟�2锟斤拷15锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷锟斤拷目锟斤拷锟斤拷每锟斤拷图锟截碉拷锟斤拷锟街碉拷锟叫§陡锟斤拷锟斤拷锟�1锟斤拷
锟斤拷 - 锟斤拷锟�8位元DIB锟斤拷锟斤拷锟絙iClrUsed锟斤拷位锟斤拷0锟斤拷256锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷256锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷谴锟�2锟斤拷225锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷锟斤拷目锟斤拷锟斤拷每锟斤拷图锟截碉拷锟斤拷锟街碉拷锟叫§陡锟斤拷锟斤拷锟�1锟斤拷
锟斤拷 - 锟斤拷锟�16位元锟斤拷24位元锟斤拷32位元DIB锟斤拷biClrUsed锟斤拷位通锟斤拷为0锟斤拷锟斤拷锟斤拷锟斤拷锟轿�0锟斤拷锟斤拷指锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷锟斤拷目锟斤拷锟斤拷执锟斤拷锟�256色锟斤拷示锟斤拷锟斤拷应锟矫筹拷式锟斤拷使锟斤拷锟斤拷些锟斤拷目锟斤拷为DIB锟借定锟斤拷色锟教★拷
锟斤拷
锟斤拷一锟斤拷锟斤拷锟芥：原锟斤拷使锟斤拷锟斤拷锟斤拷DIB锟侥硷拷锟斤拷写锟侥筹拷式锟斤拷支援24位元DIB锟叫碉拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷诔锟绞绞癸拷锟�24位元DIB锟斤拷色锟绞讹拷锟秸憋拷锟侥伙拷锟斤拷锟斤拷要冒一锟斤拷锟侥凤拷锟秸★拷
biClrImportant锟斤拷位实锟斤拷锟斤拷没锟斤拷biClrUsed锟斤拷位锟斤拷要锟斤拷锟斤拷通锟斤拷锟斤拷锟借定为0锟斤拷指锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟叫碉拷锟斤拷色锟斤拷锟斤拷锟斤拷要锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷biClrUsed锟斤拷锟斤拷同锟斤拷值锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷味锟斤拷同一锟斤拷锟铰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷瓒ㄎ�0锟斤拷biClrUsed之锟斤拷锟街碉拷锟斤拷锟斤拷锟轿讹拷锟紻IB图锟斤拷锟杰斤拷锟斤拷通锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷一锟斤拷biClrImportant锟斤拷目锟斤拷锟斤拷锟斤拷取锟矫★拷锟斤拷锟斤拷256色锟斤拷示锟斤拷锟较诧拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟�8位元DIB时锟斤拷锟斤拷锟角猴拷锟斤拷锟矫的★拷
锟斤拷锟�1位元锟斤拷4位元锟斤拷8位元锟斤拷24位元锟斤拷DIB锟斤拷图锟斤拷位元锟斤拷锟斤拷织锟斤拷OS/2锟斤拷锟捷碉拷DIB锟斤拷锟斤拷同锟侥ｏ拷一锟斤拷锟斤拷医锟斤拷锟斤拷锟�16位元锟斤拷32位元DIB锟斤拷
锟斤拷实锟斤拷锟�
锟斤拷
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷私锟斤拷锟斤拷锟紻IB时锟斤拷锟斤拷希锟斤拷锟斤拷锟叫凤拷锟斤拷什么锟斤拷锟斤拷锟截ｏ拷
锟斤拷锟斤拷锟斤拷Windows3.0锟阶达拷锟狡筹拷时锟斤拷OS/2锟斤拷式锟斤拷DIB锟窖撅拷锟斤拷锟秸憋拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷指锟绞饺达拷丫锟斤拷锟斤拷俪锟斤拷锟斤拷恕锟斤拷锟斤拷锟斤拷式写锟斤拷锟斤拷锟斤拷实锟绞憋拷写锟斤拷锟斤拷DIB锟斤拷式时锟斤拷锟斤拷锟斤拷锟斤拷锟角★拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿猴拷4位元DIB锟斤拷锟斤拷锟斤拷Windows锟侥★拷小锟斤拷锟揭★拷锟斤拷式使锟斤拷16色锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷些锟斤拷示锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟叫憋拷准锟斤拷16锟斤拷锟斤拷色锟斤拷
锟斤拷锟秸憋拷锟紻IB锟斤拷锟斤拷锟斤拷每图锟斤拷8位元锟斤拷8位元DIB锟斤拷为锟斤拷锟洁：锟揭斤拷DIB锟酵伙拷色DIB锟斤拷锟斤拷锟揭碉拷锟角ｏ拷锟斤拷头锟斤拷讯锟叫诧拷没锟斤拷指锟斤拷8位元DIB锟斤拷锟斤拷态锟斤拷
锟斤拷锟斤拷医锟紻IB锟斤拷一锟斤拷锟斤拷锟�64锟斤拷biClrUsed锟斤拷位锟斤拷指锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷64锟斤拷锟斤拷目锟斤拷锟斤拷些锟斤拷目通锟斤拷锟斤拷锟斤拷锟斤拷锟侥灰阶诧拷锟斤拷锟叫ｏ拷也锟斤拷锟斤拷说色锟绞讹拷锟秸憋拷锟斤拷00-00-00锟斤拷04-04-04锟斤拷08-08-08锟斤拷0C-0C-0C锟斤拷RGB值锟斤拷始锟斤拷锟斤拷锟斤拷锟斤拷F0-F0-F0锟斤拷F4-F4-F4锟斤拷F8-F8-F8锟斤拷FC-FC-FC锟斤拷RGB值锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷锟叫癸拷式锟斤拷锟姐：
rgb[i].rgbRed = rgb[i].rgbGreen = rgb[i].rgbBlue = i * 256 / 64 ;
锟斤拷锟斤拷锟斤拷rgb锟斤拷RGBQUAD锟结构锟斤拷锟斤拷锟叫ｏ拷i锟侥凤拷围锟斤拷0锟斤拷63锟斤拷锟揭斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷锟叫癸拷式锟斤拷锟姐：
rgb[i].rgbRed = rgb[i].rgbGreen = rgb[i].rgbBlue = i * 255 / 63 ;
锟斤拷锟斤拷吮锟斤拷锟紽F-FF-FF锟斤拷尾锟斤拷
实锟斤拷锟斤拷使锟斤拷锟侥革拷锟斤拷锟姐公式锟斤拷没锟斤拷什么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷示锟斤拷没锟叫憋拷6位元锟斤拷锟斤拷锟缴拷示锟饺凤拷取锟斤拷锟揭伙拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷小锟�64锟侥灰斤拷时锟斤拷锟斤拷锟斤拷锟斤拷16锟斤拷32锟斤拷锟节达拷锟斤拷锟斤拷鹿锟绞斤拷某锟斤拷锟斤拷直锟斤拷锟�15锟斤拷31锟斤拷锟斤拷使锟矫第讹拷锟斤拷锟斤拷式锟斤拷锟绞合ｏ拷锟斤拷为锟斤拷确锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷目锟斤拷FF-FF-FF锟斤拷也锟斤拷锟角帮拷色锟斤拷
锟斤拷某些8位元锟揭斤拷DIB锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷64锟斤拷锟斤拷目时锟斤拷锟斤拷锟斤拷锟揭阶碉拷DIB锟斤拷锟斤拷256锟斤拷锟斤拷目锟斤拷biClrUsed锟斤拷位实锟斤拷锟较匡拷锟斤拷为0锟斤拷指锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷256锟斤拷锟斤拷目锟斤拷锟斤拷锟竭达拷2锟斤拷256锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷biClrUsed值锟斤拷2锟侥伙拷锟斤拷没锟斤拷锟轿猴拷锟斤拷锟藉（锟斤拷为锟斤拷锟斤拷锟斤拷8位元DIB锟杰碉拷锟斤拷1位元DIB锟斤拷锟斤拷锟铰憋拷锟诫）锟斤拷锟斤拷小於伙拷锟斤拷16锟斤拷值也没锟斤拷锟藉（锟斤拷为锟斤拷锟杰碉拷锟斤拷4位元DIB锟斤拷锟斤拷锟铰憋拷锟诫）锟斤拷锟轿猴拷锟斤拷锟斤拷拢锟缴拷识锟斤拷毡锟斤拷械锟斤拷锟侥匡拷锟斤拷锟斤拷锟斤拷锟絙iClrUsed锟斤拷位锟斤拷同锟斤拷锟斤拷锟絙iClrUsed锟斤拷0锟斤拷锟斤拷锟斤拷256锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷值锟斤拷锟杰筹拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷目锟斤拷锟斤拷1锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷为图锟斤拷值锟斤拷指锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟絙iClrUsed值为64锟斤拷8位元DIB锟斤拷图锟斤拷值锟侥凤拷围锟斤拷0x00锟斤拷0x3F锟斤拷
锟斤拷锟斤拷锟斤拷应锟斤拷住一锟斤拷锟斤拷要锟斤拷锟斤拷锟介：锟斤拷8位元DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭斤拷锟斤拷傻锟缴拷识锟斤拷毡锟斤拷锟揭诧拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟缴拷锟斤拷锟缴拷锟斤拷锟缴拷潭锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷些锟揭阶诧拷锟斤拷色锟绞讹拷锟秸憋拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷图锟斤拷值锟斤拷锟斤拷锟酵达拷锟斤拷锟剿伙拷色锟侥程度★拷也锟斤拷锟斤拷说锟斤拷锟斤拷锟絙iClrUsed锟斤拷64锟斤拷锟斤拷么0x00图锟斤拷值为锟斤拷色锟斤拷0x20锟斤拷图锟斤拷值锟斤拷50%锟侥灰阶ｏ拷0x3F锟斤拷图锟斤拷值为锟斤拷色锟斤拷
锟斤拷锟斤拷一些图锟斤拷锟斤拷锟斤拷业锟角猴拷锟斤拷要锟侥ｏ拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟借处锟斤拷图锟斤拷值锟斤拷锟斤拷锟角猴拷锟斤拷锟矫的ｏ拷锟斤拷锟斤拷锟斤拷一锟斤拷锟绞憋拷锟饺ワ拷锟紹ITMAPINFOHEADER锟结构锟斤拷一锟斤拷锟津单的革拷锟侥ｏ拷锟揭伙拷锟斤拷锟斤拷一锟斤拷锟斤拷锟街革拷锟紻IB映锟斤拷锟角诧拷锟角灰阶的ｏ拷锟斤拷锟斤拷牵锟紻IB锟斤拷没锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷图锟斤拷值直锟接达拷锟斤拷锟揭阶★拷
锟斤拷色锟斤拷8位元DIB一锟斤拷使锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷biClrUsed锟斤拷位为0锟斤拷256锟斤拷然锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷236锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷一锟斤拷锟斤拷实锟斤拷锟斤拷式通锟斤拷只锟斤拷锟斤拷Windows锟斤拷色锟斤拷锟节革拷锟斤拷236锟斤拷锟斤拷目锟斤拷锟斤拷确锟斤拷示锟斤拷些DIB锟斤拷锟揭斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟捷★拷
biXPelsPerMeter锟斤拷biYPelsPerMeter锟斤拷锟斤拷为锟斤拷锟斤拷值锟斤拷biClrImportant锟斤拷位锟斤拷为0锟斤拷biClrUsed值锟斤拷锟斤拷锟揭诧拷锟斤拷佟锟�
DIB压锟斤拷
锟斤拷
前锟斤拷锟斤拷没锟斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟叫碉拷biCompression锟斤拷biSizeImage锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷些值锟斤拷
biCompression锟斤拷位锟斤拷锟斤拷为锟侥革拷锟斤拷锟斤拷之一锟斤拷锟斤拷锟斤拷锟角ｏ拷BI_RGB锟斤拷BI_RLE8锟斤拷BI_RLE4锟斤拷BI_BITFIELDS锟斤拷锟斤拷锟角讹拷锟斤拷锟斤拷WINGDI.H锟斤拷头锟斤拷锟斤拷锟叫ｏ拷值锟街憋拷为0锟斤拷3锟斤拷锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷途锟斤拷锟斤拷锟�4位元锟斤拷8位元DIB锟斤拷锟斤拷指锟斤拷图锟斤拷位元锟斤拷锟斤拷一锟斤拷锟斤拷锟叫筹拷锟饺ｏ拷run-length锟斤拷锟斤拷锟诫方式压锟斤拷锟剿★拷锟斤拷锟�16位元锟斤拷32位元DIB锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷色锟斤拷锟街ｏ拷color masking锟斤拷锟角凤拷锟斤拷於讹拷图锟斤拷位元锟斤拷锟叫憋拷锟诫。锟斤拷锟斤拷锟斤拷锟斤拷锟皆讹拷锟斤拷锟斤拷Windows 95锟叫凤拷锟斤拷锟侥★拷
锟斤拷锟斤拷锟斤拷锟斤拷锟角匡拷一锟斤拷RLE压锟斤拷锟斤拷
- 锟斤拷锟�1位元DIB锟斤拷biCompression锟斤拷位始锟斤拷锟斤拷BI_RGB锟斤拷
锟斤拷 - 锟斤拷锟�4位元DIB锟斤拷biCompression锟斤拷位锟斤拷锟斤拷锟斤拷BI_RGB锟斤拷BI_RLE4锟斤拷
锟斤拷 - 锟斤拷锟�8位元DIB锟斤拷biCompression锟斤拷位锟斤拷锟斤拷锟斤拷BI_RGB锟斤拷BI_RLE8锟斤拷
锟斤拷 - 锟斤拷锟�24位元DIB锟斤拷biCompression锟斤拷位始锟斤拷锟斤拷BI_RGB锟斤拷
锟斤拷
锟斤拷锟街碉拷锟紹I_RGB锟斤拷图锟斤拷位元锟斤拷锟斤拷姆锟绞斤拷锟絆S/2锟斤拷锟捷碉拷DIB一锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷谐锟斤拷缺锟斤拷锟窖癸拷锟酵硷拷锟轿辉拷锟�
锟斤拷锟叫筹拷锟饺憋拷锟诫（RLE锟斤拷锟斤拷一锟斤拷锟斤拷虻サ锟斤拷锟斤拷锟窖癸拷锟斤拷锟绞斤拷锟斤拷锟斤拷歉锟斤拷锟紻IB映锟斤拷锟斤拷一锟斤拷锟节撅拷锟斤拷锟斤拷锟斤拷同锟斤拷图锟斤拷锟街达拷锟斤拷锟斤拷锟绞碉拷锟斤拷械摹锟絉LE通锟斤拷锟斤拷锟截革拷图锟截碉拷值锟斤拷锟截革拷锟侥达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷省锟秸间，锟斤拷锟斤拷锟紻IB锟斤拷RLE锟斤拷锟斤拷只锟斤拷锟斤拷锟剿猴拷锟劫的撅拷锟斤拷DIB图锟斤拷也锟斤拷锟斤拷说锟斤拷锟斤拷锟轿碉拷某些锟斤拷锟斤拷锟斤拷未锟斤拷锟斤拷模锟斤拷锟斤拷鼙锟斤拷锟届侗锟绞撅拷蔷锟斤拷锟酵硷拷锟�
8位元DIB锟斤拷锟斤拷锟叫筹拷锟饺憋拷锟斤拷锟节革拷锟斤拷锟较革拷锟斤拷一些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谴锟斤拷锟斤拷锟斤拷锟斤拷帧锟斤拷锟�15-1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷獾眀iCompression锟斤拷位锟斤拷锟紹I_RGB8时锟斤拷图锟斤拷位元锟侥憋拷锟诫方式锟斤拷
| 锟斤拷15-1 |
| 位元锟斤拷1 | 位元锟斤拷2 | 位元锟斤拷3 | 位元锟斤拷4 | 锟斤拷锟斤拷 |
|---|---|---|---|---|
| 00 | 00 | 锟斤拷尾 | ||
| 00 | 01 | 映锟斤拷尾 | ||
| 00 | 02 | dx | dy | 锟狡碉拷锟斤拷x+dx锟斤拷y+dy锟斤拷 |
| 00 | n = 03锟斤拷FF | 使锟斤拷锟斤拷锟斤拷n锟斤拷图锟斤拷 | ||
| n = 01锟斤拷FF | 图锟斤拷 | 锟截革拷图锟斤拷n锟斤拷 |
锟斤拷锟斤拷压锟斤拷锟斤拷DIB锟斤拷锟斤拷时锟斤拷锟缴成对查看DIB锟斤拷锟斤拷位元锟介，锟斤拷锟斤拷吮锟斤拷诘摹锟轿辉拷锟�1锟斤拷锟酵★拷位元锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些位元锟斤拷值锟侥碉拷锟斤拷锟斤拷式锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟铰讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷濉�
锟斤拷锟斤拷锟揭伙拷锟轿辉拷锟斤拷锟姐（锟斤拷锟斤拷锟斤拷锟斤拷一锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫达拷锟斤拷锟斤拷锟斤拷锟斤拷谐锟斤拷鹊锟斤拷馗锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷值锟斤拷锟截革拷锟斤拷危锟斤拷锟斤拷纾辉拷锟斤拷
0x05 0x27
锟斤拷锟斤拷锟斤拷锟酵硷拷锟街滴拷锟�
0x27 0x27 0x27 0x27 0x27
锟斤拷然DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较诧拷锟斤拷图锟截碉拷图锟截碉拷锟截革拷锟斤拷锟斤拷锟斤拷锟斤拷锟节讹拷锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟接︼拷锟斤拷使锟矫★拷锟斤拷锟界：锟斤拷锟斤拷锟斤拷锟斤拷
0x00 0x06 0x45 0x32 0x77 0x34 0x59 0x90
锟斤拷锟斤拷锟斤拷锟酵硷拷锟街滴拷锟�
0x45 0x32 0x77 0x34 0x59 0x90
锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷2位元锟斤拷慕锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟节讹拷锟斤拷位元锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟节撅拷锟斤拷一锟斤拷未使锟矫的讹拷锟斤拷位元锟介。锟斤拷锟界，锟斤拷锟斤拷
0x00 0x05 0x45 0x32 0x77 0x34 0x59 0x00
锟斤拷锟斤拷锟斤拷锟酵硷拷锟街滴拷锟�
0x45 0x32 0x77 0x34 0x59
锟斤拷锟斤拷锟斤拷锟斤拷谐锟斤拷缺锟斤拷锟侥癸拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟皆地ｏ拷锟斤拷锟斤拷锟紻IB图锟斤拷锟斤拷没锟斤拷锟截革拷锟斤拷图锟截ｏ拷使锟矫达拷压锟斤拷锟斤拷锟斤拷实锟斤拷锟较伙拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟侥达拷小锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷指锟斤拷锟剿撅拷锟斤拷DIB图锟斤拷锟侥承╋拷锟斤拷挚锟斤拷圆锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟铰ｏ拷锟斤拷写锟侥筹拷式锟斤拷锟斤拷压锟斤拷锟斤拷DIB锟斤拷锟叫斤拷压锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖癸拷锟斤拷某锟绞斤拷校锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷郑锟絰,y锟斤拷锟斤拷锟斤拷始为锟斤拷0,0锟斤拷锟斤拷每锟斤拷一锟斤拷图锟截斤拷锟诫，x锟斤拷值锟斤拷锟斤拷锟斤拷1锟斤拷每锟斤拷锟揭伙拷芯徒锟絰锟斤拷锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷锟斤拷y锟斤拷值锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0x02锟斤拷位元锟斤拷0x00时锟斤拷锟斤拷锟斤拷取锟斤拷锟斤拷锟斤拷位元锟介并锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟脚碉拷锟斤拷锟斤拷锟斤拷锟接碉拷目前锟斤拷x锟斤拷y值锟叫ｏ拷然锟斤拷锟斤拷锟斤拷锟斤拷搿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟�0x00锟斤拷0x00时锟斤拷锟斤拷锟酵斤拷锟斤拷锟斤拷一锟叫ｏ拷应锟斤拷x锟斤拷0锟斤拷锟斤拷锟斤拷y值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷0x01锟斤拷0x00时锟斤拷锟斤拷锟斤拷锟斤拷山锟斤拷锟斤拷恕锟斤拷锟叫╋拷锟斤拷锟阶硷拷锟紻IB锟斤拷锟斤拷锟斤拷些未锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟届抖苑蔷锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿伙拷锟斤拷锟斤拷偷锟接笆憋拷浅锟斤拷锟斤拷茫锟斤拷锟轿拷锟斤拷锟矫恳伙拷锟接帮拷锟斤拷锟斤拷锟斤拷锟角耙伙拷锟斤拷锟斤拷讯锟斤拷锟斤拷锟斤拷锟斤拷锟铰憋拷锟诫）锟斤拷
锟斤拷锟�4位元DIB锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷同锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟接ｏ拷锟斤拷为位元锟斤拷锟酵硷拷锟街拷洳伙拷锟揭伙拷锟揭伙拷墓锟较碉拷锟�
锟斤拷锟斤拷锟饺★拷牡锟揭伙拷锟轿辉拷锟斤拷锟姐，锟角撅拷锟斤拷一锟斤拷锟截革拷锟斤拷锟斤拷n锟斤拷锟节讹拷锟斤拷位元锟介（锟斤拷锟截革拷锟侥ｏ拷锟斤拷锟斤拷2锟斤拷图锟截ｏ拷锟斤拷n锟斤拷图锟截的憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷薪锟斤拷锟斤拷锟街★拷锟斤拷锟界，位元锟斤拷锟�
0x07 0x35
锟斤拷锟斤拷锟斤拷为锟斤拷
0x35 0x35 0x35 0x3?
锟斤拷锟叫碉拷锟绞猴拷指锟斤拷图锟截伙拷未知锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟�0x07 0x35锟皆斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿辉拷锟皆ｏ拷
0x05 0x24
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟�
0x35 0x35 0x35 0x32 0x42 0x42
锟斤拷锟轿辉拷锟斤拷锟叫的碉拷一位元锟斤拷锟斤拷0x00 锟斤拷锟节讹拷锟斤拷位元锟斤拷锟斤拷0x03锟斤拷锟斤拷锟斤拷锟绞癸拷玫诙锟轿辉拷锟街革拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷纾拷锟斤拷锟�
0x00 0x05 0x23 0x57 0x10 0x00
锟斤拷锟斤拷为锟斤拷
0x23 0x57 0x1?
注锟斤拷锟斤拷锟斤拷畈癸拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟轿硷拷锟轿辉拷椤�
锟斤拷锟斤拷biCompression锟斤拷位锟斤拷BI_RLE4锟斤拷BI_RLE8锟斤拷biSizeImage锟斤拷位锟斤拷指锟斤拷锟斤拷位元锟斤拷锟斤拷DIB图锟斤拷锟斤拷锟较的达拷小锟斤拷锟斤拷锟絙iCompression锟斤拷位锟斤拷BI_RGB锟斤拷锟斤拷biSizeImage通锟斤拷为0锟斤拷锟斤拷锟斤拷锟斤拷锟杰憋拷锟借定为锟斤拷锟斤拷位元锟介长锟饺碉拷biHeight锟斤拷锟斤拷锟斤拷锟斤拷锟节憋拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
目前锟侥硷拷说锟斤拷锟斤拷锟较讹拷锟铰碉拷DIB锟斤拷锟杰憋拷压锟斤拷锟斤拷锟斤拷锟斤拷锟较讹拷锟铰碉拷DIB锟斤拷锟斤拷biHeight锟斤拷位为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷鲁锟斤拷值摹锟�
锟斤拷色锟斤拷锟街ｏ拷color masking锟斤拷
锟斤拷
biCompression锟斤拷位也锟斤拷锟斤拷锟斤拷锟絎indows 95锟斤拷锟铰筹拷锟街碉拷16位元锟斤拷32位元DIB锟斤拷锟斤拷锟斤拷锟叫〥IB锟斤拷biCompression锟斤拷位锟斤拷锟斤拷锟斤拷BI_RGB锟斤拷BI_BITFIELDS锟斤拷锟斤拷锟斤拷锟斤拷为值3锟斤拷锟斤拷
锟斤拷锟斤拷锟角匡拷一锟斤拷24位元DIB锟斤拷图锟截革拷式锟斤拷锟斤拷始锟斤拷锟斤拷一锟斤拷锟斤拷锟紹I_RGB锟斤拷biCompression锟斤拷位锟斤拷
也锟斤拷锟斤拷说锟斤拷每一锟叫伙拷锟斤拷锟较讹拷锟斤拷RGBTRIPLE锟结构锟斤拷锟斤拷锟叫ｏ拷锟斤拷每锟斤拷末锟斤拷锟叫匡拷锟杰诧拷锟斤拷值锟斤拷使锟斤拷锟节碉拷位元锟斤拷锟斤拷4锟侥憋拷锟斤拷锟斤拷
锟斤拷
锟斤拷於撅拷锟斤拷biCompression锟斤拷位锟斤拷锟紹I_RGB锟斤拷16位元DIB锟斤拷每锟斤拷图锟斤拷锟斤拷要锟斤拷锟斤拷位元锟介。锟斤拷色锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷模锟�
锟斤拷
每锟斤拷锟斤拷色使锟斤拷5位元锟斤拷锟斤拷锟斤拷锟斤拷诘牡锟揭伙拷锟酵硷拷兀锟斤拷锟缴碉拷堑锟揭伙拷锟轿辉拷锟斤拷锟斤拷锟斤拷锟轿辉拷锟斤拷锟缴碉拷诘锟揭伙拷偷诙锟斤拷锟轿辉拷锟斤拷卸锟斤拷锟轿辉拷锟斤拷锟缴碉拷锟斤拷锟斤拷锟斤拷锟斤拷位元锟角第讹拷锟斤拷位元锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟轿辉拷锟斤拷锟缴碉拷锟斤拷锟斤拷锟斤拷锟斤拷位元锟角碉拷一锟斤拷位元锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟轿辉拷锟斤拷锟缴碉拷堑诙锟斤拷锟轿辉拷锟斤拷械锟�2锟斤拷6位元锟斤拷锟节讹拷锟斤拷位元锟斤拷锟斤拷锟斤拷位元锟斤拷0锟斤拷
锟斤拷锟斤拷16位元锟斤拷锟斤拷锟饺⊥硷拷锟街凳憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷锟轿拷锟斤拷位元锟斤拷值锟斤拷锟斤拷锟轿辉拷锟斤拷缺锟斤拷锟斤拷妫硷拷锟斤拷锟斤拷锟斤拷锟斤拷拢锟�
锟斤拷
锟斤拷锟斤拷锟斤拷wPixel锟节达拷锟斤拷锟斤拷16位元图锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫癸拷式锟斤拷锟斤拷锟缴拷锟斤拷锟缴拷锟斤拷锟缴碉拷锟�
Red = ((0x7C00 & wPixel) >> 10) << 3 ; Green = ((0x03E0 & wPixel) >> 5) << 3 ; Blue = ((0x001F & wPixel) >> 0) << 3 ;
锟斤拷锟饺ｏ拷使锟斤拷锟斤拷锟斤拷值锟斤拷图锟截斤拷锟斤拷锟斤拷位元AND锟斤拷锟姐。锟剿斤拷锟斤拷牵锟斤拷锟缴拷锟斤拷锟斤拷贫锟�10位元锟斤拷锟斤拷色锟斤拷锟斤拷锟狡讹拷5位元锟斤拷锟斤拷色锟斤拷锟斤拷锟狡讹拷0位元锟斤拷锟斤拷锟斤拷些锟狡讹拷值锟揭筹拷之为锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷筒锟斤拷锟斤拷舜锟�0x00锟斤拷0x1F锟斤拷锟斤拷色值锟斤拷锟斤拷些值锟斤拷锟斤拷锟斤拷锟斤拷锟狡讹拷3位元锟皆合成达拷0x00锟斤拷0xF8锟斤拷锟斤拷色值锟斤拷锟斤拷锟斤拷些锟狡讹拷值锟揭筹拷之为锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟斤拷
锟斤拷锟阶★拷锟斤拷锟斤拷16位元DIB锟斤拷图锟截匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷每锟叫伙拷锟斤拷末锟剿诧拷锟斤拷锟斤拷锟斤拷2位元锟斤拷锟斤拷使位元锟斤拷锟斤拷锟斤拷鼙锟�4锟斤拷锟斤拷锟斤拷
锟斤拷锟�32位元DIB锟斤拷锟斤拷锟絙iCompression锟斤拷锟紹I_RGB锟斤拷每锟斤拷图锟斤拷锟斤拷要4位元锟介。锟斤拷色值锟角碉拷一锟斤拷位元锟介，锟斤拷色为锟节讹拷锟斤拷锟斤拷锟斤拷色为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷位元锟斤拷锟斤拷0锟斤拷也锟斤拷锟斤拷么说锟斤拷图锟斤拷锟斤拷RGBQUAD锟结构锟斤拷锟斤拷锟叫★拷锟斤拷为每锟斤拷图锟截的筹拷锟斤拷锟斤拷4位元锟介，锟斤拷锟斤拷末锟剿就诧拷锟斤拷锟筋补位元锟介。
锟斤拷锟斤拷锟斤拷32位元双锟斤拷锟斤拷锟饺∶匡拷锟酵硷拷兀锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷
锟斤拷锟絛wPixel锟斤拷32位元双锟斤拷锟介，
Red = ((0x00FF0000 & dwPixel) >> 16) << 0 ; Green = ((0x0000FF00 & dwPixel) >> 8) << 0 ; Blue = ((0x000000FF & dwPixel) >> 0) << 0 ;
锟斤拷锟斤拷值全为锟姐，锟斤拷为锟斤拷色值锟斤拷0xFF锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷双锟斤拷锟斤拷锟斤拷Windows GDI锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷锟絉GB锟斤拷色锟斤拷32位元COLORREF值锟斤拷一锟铰★拷锟斤拷COLORREF值锟叫ｏ拷锟斤拷色占锟斤拷锟轿辉拷锟轿辉拷椤�
锟斤拷目前为止锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿碉拷biCompression锟斤拷位为BI_RGB时锟斤拷16位元锟斤拷32位元DIB锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷锟斤拷biCompression锟斤拷位为BI_BITFIELDS锟斤拷锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷锟斤拷32位元锟斤拷色锟斤拷锟街ｏ拷锟斤拷一锟斤拷锟斤拷於猴拷色锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷锟缴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷使锟斤拷C锟斤拷位元AND锟斤拷锟斤拷锟接ｏ拷&锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷应锟斤拷锟�16位元锟斤拷32位元锟斤拷图锟斤拷值锟较★拷然锟斤拷通锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟狡讹拷锟斤拷锟斤拷锟斤拷锟叫┲抵伙拷屑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟斤拷锟斤拷锟缴拷锟斤拷值墓锟斤拷锟接︼拷煤锟斤拷锟饺凤拷锟矫匡拷锟斤拷锟缴拷锟斤拷锟轿辉拷锟斤拷诘锟�1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷位元锟斤拷锟斤拷锟截碉拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟劫革拷锟斤拷锟接ｏ拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟�16位元DIB锟斤拷锟斤拷锟斤拷biCompression锟斤拷位为BI_BITFIELDS锟斤拷锟斤拷应锟矫硷拷锟紹ITMAPINFOHEADER锟结构之锟斤拷锟角帮拷锟斤拷锟剿拷锟斤拷椋�
0x0000F800 0x000007E0 0x0000001F
注锟解，锟斤拷为锟斤拷锟斤拷16位元DIB锟斤拷锟斤拷锟斤拷只锟斤拷位於底诧拷16位元锟斤拷位元值锟斤拷锟杰憋拷锟借定为1锟斤拷锟斤拷锟斤拷锟皆把憋拷锟斤拷dwMask[0]锟斤拷dwMask[1]锟斤拷dwMask[2]锟借定为锟斤拷些值锟斤拷锟斤拷锟节匡拷锟皆憋拷写锟斤拷锟斤拷锟斤拷锟叫硷拷锟斤拷锟斤拷锟狡猴拷锟斤拷锟斤拷值锟斤拷一些锟斤拷式锟剿ｏ拷
int MaskToRShift (DWORD dwMask)
{
int iShift ;
if ( dwMask == 0)
return 0 ;
for ( iShift = 0 ; !(dwMask & 1) ; iShift++)
dwMask >>= 1 ;
return iShift ;
}
int MaskToLShift (DWORD dwMask)
{
int iShift ;
if ( dwMask == 0)
return 0 ;
while (!(dwMask & 1))
dwMask >>= 1 ;
for (iShift = 0 ; dwMask & 1 ; iShift++)
dwMask >>= 1 ;
return 8 - iShift ;
}
然锟斤拷锟斤拷锟組askToRShift锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷锟�
iRShift[0] = MaskToRShift (dwMask[0]) ; iRShift[1] = MaskToRShift (dwMask[1]) ; iRShift[2] = MaskToRShift (dwMask[2]) ;
锟街憋拷玫锟街�11锟斤拷5锟斤拷0锟斤拷然锟斤拷锟斤拷锟組askToLShift锟斤拷
iLShift[0] = MaskToLShift (dwMask[0]) ; iLShift[1] = MaskToLShift (dwMask[1]) ; iLShift[2] = MaskToLShift (dwMask[2]) ;
锟街憋拷玫锟街�3锟斤拷2锟斤拷3锟斤拷锟斤拷锟斤拷锟杰达拷图锟斤拷锟斤拷锟斤拷取每锟斤拷锟斤拷色锟斤拷
Red = ((dwMask[0] & wPixel) >> iRShift[0]) << iLShift[0] ; Green = ((dwMask[1] & wPixel) >> iRShift[1]) << iLShift[1] ; Blue = ((dwMask[2] & wPixel) >> iRShift[2]) << iLShift[2] ;
锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷艽锟斤拷0x0000FFFF锟斤拷锟斤拷锟斤拷16位元DIB锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷锟街拷猓拷锟斤拷锟斤拷锟�32位元DIB一锟斤拷锟斤拷
注锟解：
锟斤拷锟�16位元锟斤拷32位元DIB锟斤拷锟斤拷色锟斤拷锟斤拷色锟斤拷锟斤拷色值锟杰达拷锟�255锟斤拷实锟斤拷锟较ｏ拷锟斤拷32位元DIB锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿�0锟斤拷锟斤拷锟斤拷锟斤拷应为32位元锟斤拷色值0xFFFFFFFF锟斤拷锟斤拷然锟斤拷锟斤拷锟叫碉拷锟斤拷疲锟斤拷锟斤拷锟斤拷玫锟斤拷锟斤拷锟斤拷锟斤拷锟解。
锟斤拷锟斤拷Windows NT锟斤拷Windows 95锟斤拷Windows 98锟斤拷使锟斤拷锟斤拷色锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷啤锟斤拷锟斤拷玫锟街碉拷锟绞撅拷诒锟�15-2锟叫★拷
| 锟斤拷15-2 |
| 16位元DIB | 16位元DIB | 32位元DIB | |
|---|---|---|---|
| 锟斤拷色锟斤拷锟斤拷 | 0x00007C00 | 0x0000F800 | 0x00FF0000 |
| 锟斤拷色锟斤拷锟斤拷 | 0x000003E0 | 0x000007E0 | 0x0000FF00 |
| 锟斤拷色锟斤拷锟斤拷 | 0x0000001F | 0x0000001F | 0x000000FF |
| 锟劫硷拷为 | 5-5-5 | 5-6-5 | 8-8-8 |
锟斤拷锟戒话说锟斤拷锟斤拷锟角碉拷biCompression锟斤拷BI_RGB时锟斤拷锟斤拷锟斤拷使锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟街ｏ拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟介。锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟揭伙拷锟斤拷偌欠锟斤拷锟斤拷锟街革拷锟矫客硷拷睾锟缴拷锟斤拷锟缴拷锟斤拷锟缴拷锟轿辉拷锟斤拷锟�
锟斤拷4锟芥本锟斤拷Header
锟斤拷
锟斤拷说锟斤拷锟斤拷Windows 95锟斤拷锟斤拷锟斤拷一些原始BITMAPINFOHEADER锟斤拷位锟侥讹拷锟藉。Windows 95也锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷为BITMAPV4HEADER锟斤拷锟斤拷锟斤拷展锟斤拷锟斤拷讯锟斤拷头锟斤拷锟斤拷锟斤拷锟街拷锟絎indows 95锟斤拷锟斤拷锟斤拷锟斤拷Windows 4.0锟斤拷锟斤拷突锟斤拷锟斤拷状私峁癸拷锟斤拷锟斤拷锟斤拷耍锟絎indows NT 4.0也支援锟剿结构锟斤拷
typedef struct
{
DWORD bV4Size ; // size of the structure = 120
LONG bV4Width ; // width of the image in pixels
LONG bV4Height ; // height of the image in pixels
WORD bV4Planes ; // = 1
WORD bV4BitCount ; // bits per pixel (1, 4, 8, 16, 24, or 32)
DWORD bV4Compression ; // compression code
DWORD bV4SizeImage ; // number of bytes in image
LONG bV4XPelsPerMeter ; // horizontal resolution
LONG bV4YPelsPerMeter ; // vertical resolution
DWORD bV4ClrUsed ; // number of colors used
DWORD bV4ClrImportant ; // number of important colors
DWORD bV4RedMask ; // Red color mask
DWORD bV4GreenMask ; // Green color mask
DWORD bV4BlueMask ; // Blue color mask
DWORD bV4AlphaMask ; // Alpha mask
DWORD bV4CSType ; // color space type
CIEXYZTRIPLE bV4Endpoints ; // XYZ values
DWORD bV4GammaRed ; // Red gamma value
DWORD bV4GammaGreen ; // Green gamma value
DWORD bV4GammaBlue ; // Blue gamma value
}
BITMAPV4HEADER, * PBITMAPV4HEADER ;
注锟斤拷前11锟斤拷锟斤拷位锟斤拷BITMAPINFOHEADER锟结构锟叫碉拷锟斤拷同锟斤拷锟斤拷5锟斤拷锟斤拷位支援Windows 95锟斤拷Windows NT 4.0锟斤拷图锟斤拷锟斤拷色锟斤拷锟戒技锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷BITMAPV4HEADER锟结构锟斤拷锟斤拷锟侥革拷锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷使锟斤拷BITMAPINFOHEADER锟斤拷锟斤拷BITMAPV5HEADER锟斤拷锟斤拷
锟斤拷bV4Compression锟斤拷位锟斤拷锟紹I_BITFIELDS时锟斤拷bV4RedMask锟斤拷bV4GreenMask锟斤拷bV4BlueMask锟斤拷锟斤拷锟斤拷锟�16位元锟斤拷32位元DIB锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟结构锟叫碉拷锟斤拷色锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷暮锟绞斤拷锟斤拷锟斤拷业锟绞癸拷贸锟斤拷锟斤拷锟饺凤拷慕峁癸拷锟轿恢拷锟斤拷原始锟结构时锟斤拷锟斤拷锟斤拷实锟斤拷锟较筹拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷同位锟矫★拷锟斤拷锟斤拷锟斤拷知锟斤拷bV4AlphaMask锟斤拷位锟斤拷锟斤拷使锟矫★拷
BITMAPV5HEADER锟结构剩锟斤拷锟斤拷锟轿伙拷锟斤拷锟斤拷锟絎indows锟斤拷色锟斤拷锟斤拷锟斤拷Image Color Management锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷筹拷越锟剿憋拷锟斤拷姆锟轿э拷锟斤拷锟斤拷锟斤拷私锟揭恍╋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟芥。
为色锟斤拷使锟斤拷RGB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷於ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖讹拷锟绞撅拷锟斤拷锟斤拷锟缴拷锟斤拷锟斤拷锟酵诧拷色扫锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴革拷锟轿猂GB值锟斤拷255,0,0锟斤拷锟斤拷锟斤拷味锟斤拷锟斤拷锟侥碉拷压应锟矫加碉拷锟斤拷锟斤拷锟斤拷锟竭癸拷锟节的猴拷色锟斤拷锟斤拷枪锟较ｏ拷RGB值锟斤拷128,0,0锟斤拷锟斤拷示使锟斤拷一锟斤拷锟窖癸拷锟斤拷锟酵拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷效锟斤拷锟斤拷锟斤拷锟揭ｏ拷印锟斤拷锟斤拷使锟斤拷锟剿诧拷同锟斤拷锟斤拷色锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷锟缴拷锟斤拷锟缴拷秃锟缴拷锟斤拷锟较憋拷示锟斤拷色锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷之为CMY锟斤拷cyan-magenta-yellow锟斤拷锟斤拷色-锟斤拷锟缴�-锟斤拷色锟斤拷锟斤拷CMYK锟斤拷 cyan-magenta-yellow-black锟斤拷锟斤拷色-锟斤拷锟缴�-锟斤拷色-锟斤拷色 锟斤拷锟斤拷锟斤拷学锟斤拷式锟杰帮拷RGB值转锟斤拷为CMY锟斤拷CMYK锟斤拷锟斤拷锟斤拷锟杰憋拷证印锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷示锟斤拷锟斤拷色锟斤拷锟斤拷稀锟斤拷锟缴拷实锟斤拷浼硷拷锟斤拷锟斤拷前锟斤拷锟缴拷锟斤拷装锟斤拷锟睫关的憋拷准锟斤拷系锟斤拷锟斤拷锟斤拷一锟街筹拷锟皆★拷
锟斤拷色锟斤拷锟斤拷锟斤拷锟斤拷杉锟斤拷锟侥诧拷锟斤拷锟叫关ｏ拷锟斤拷锟斤拷锟侥凤拷围锟斤拷380nm锟斤拷锟斤拷锟斤拷锟斤拷780nm锟斤拷锟届）之锟戒。一锟斤拷锟斤拷锟斤拷锟杰诧拷锟斤拷墓锟斤拷锟斤拷强杉锟斤拷锟斤拷锟斤拷诓锟酵拷锟斤拷锟斤拷锟斤拷锟较★拷1931锟疥，Commission Internationale de L'Eclairage (International Commission on Illumination)锟斤拷CIE锟斤拷锟斤拷锟斤拷一锟街匡拷学锟斤拷锟斤拷锟斤拷色锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟缴拷锟斤拷浜拷锟斤拷锟斤拷锟斤拷锟轿獂锟斤拷y锟斤拷z锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷省锟皆碉拷锟斤拷式锟斤拷锟斤拷锟斤拷每5nm锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷CIE Publication 15.2-1986锟斤拷锟斤拷Colorimetry锟斤拷Second Edition锟斤拷锟侥憋拷2.1锟叫★拷
锟斤拷色锟侥癸拷锟阶ｏ拷S锟斤拷锟斤拷一锟斤拷指锟斤拷每锟斤拷锟斤拷锟斤拷强锟饺碉拷值锟斤拷锟斤拷锟街拷锟斤拷锟斤拷祝锟斤拷锟斤拷芄锟斤拷锟斤拷锟斤拷锟缴拷锟截的猴拷锟斤拷应锟矫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷X锟斤拷Y锟斤拷Z锟斤拷
锟斤拷
锟斤拷些值锟斤拷为 锟斤拷X锟斤拷锟斤拷Y锟酵达拷Z 锟斤拷y锟斤拷色匹锟戒函式锟斤拷锟斤拷锟斤拷鄱苑锟轿э拷诳杉锟斤拷锟斤拷锟斤拷诠锟斤拷叩姆锟接︼拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺ワ拷锟揭伙拷锟斤拷锟�380nm锟斤拷780nm锟斤拷0锟斤拷时锟斤拷锟斤拷锟斤拷锟竭ｏ拷锟斤拷Y锟斤拷之为CIE锟斤拷锟饺ｏ拷锟斤拷为锟斤拷指锟斤拷锟剿癸拷锟竭碉拷锟斤拷锟斤拷强锟饺★拷
锟斤拷锟绞癸拷锟紹ITMAPV5HEADER锟结构锟斤拷bV4CSType锟斤拷位锟酵憋拷锟斤拷锟借定为LCS_CALIBRATED_RGB锟斤拷锟斤拷值为0锟斤拷锟斤拷锟侥革拷位元锟斤拷锟斤拷锟斤拷瓒ㄎ拷锟叫е碉拷锟�
CIEXYZTRIPLE锟结构锟斤拷锟斤拷锟斤拷锟铰凤拷式锟斤拷锟藉：
typedef struct tagCIEXYZTRIPLE
{
CIEXYZ ciexyzRed ;
CIEXYZ ciexyzGreen ;
CIEXYZ ciexyzBlue ;
}
CIEXYZTRIPLE, * LPCIEXYZTRIPLE ;
锟斤拷CIEXYZ锟结构锟斤拷锟斤拷锟斤拷锟铰ｏ拷
typedef struct tagCIEXYZ
{
FXPT2DOT30 ciexyzX ;
FXPT2DOT30 ciexyzY ;
FXPT2DOT30 ciexyzZ ;
}
CIEXYZ, * LPCIEXYZ ;
锟斤拷锟斤拷锟斤拷锟斤拷位锟斤拷锟斤拷为FXPT2DOT30值锟斤拷锟斤拷味锟斤拷锟斤拷锟斤拷锟角达拷锟斤拷2位元锟斤拷锟斤拷锟斤拷锟街猴拷30位元小锟斤拷锟斤拷锟街的讹拷锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷0x40000000锟斤拷1.0锟斤拷0x48000000锟斤拷1.5锟斤拷锟斤拷锟街�0xFFFFFFFF锟斤拷锟斤拷4.0小一锟斤拷恪�
bV4Endpoints锟斤拷位锟结供锟斤拷锟斤拷锟斤拷锟斤拷RGB锟斤拷色锟斤拷255,0,0锟斤拷锟斤拷锟斤拷0,255,0锟斤拷锟酵ｏ拷0,0,255锟斤拷锟斤拷氐锟絏锟斤拷Y锟斤拷Z值锟斤拷锟斤拷些值应锟斤拷锟缴斤拷锟斤拷DIB锟斤拷应锟矫筹拷式锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷些RGB锟斤拷色锟斤拷装锟斤拷锟睫关碉拷锟斤拷锟藉。
BITMAPV4HEADER剩锟斤拷锟斤拷锟斤拷锟斤拷锟轿恢革拷锟劫わ拷锟街碉拷锟斤拷锟较ｏ拷锟斤拷锟叫⌒达拷锟侥革拷茫锟斤拷锟斤拷锟街革拷锟斤拷锟缴拷燃锟斤拷锟斤拷锟节的凤拷锟斤拷锟皆★拷锟斤拷DIB锟节ｏ拷锟届、锟教★拷锟斤拷锟侥凤拷围锟斤拷0锟斤拷225锟斤拷锟斤拷锟斤拷示锟斤拷锟较ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷值锟斤拷转锟斤拷为锟斤拷示锟斤拷使锟矫碉拷锟斤拷锟斤拷锟斤拷鹊锟窖癸拷锟斤拷锟窖癸拷锟斤拷锟斤拷锟矫匡拷锟酵硷拷氐锟角匡拷取锟饺伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭癸拷锟叫碉拷锟斤拷枪锟侥碉拷锟斤拷锟斤拷锟皆ｏ拷图锟截碉拷强锟饺ｏ拷I锟斤拷锟斤拷锟斤拷锟斤拷锟窖癸拷锟絍锟斤拷锟斤拷锟斤拷锟斤拷兀锟斤拷锟斤拷堑墓锟较滴拷锟�
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟侥★拷锟斤拷锟饺★拷锟斤拷锟斤拷锟借定锟侥猴拷色锟饺硷拷锟斤拷锟斤拷锟斤拷值为0锟斤拷锟斤拷指锟斤拷 锟斤拷锟斤拷锟斤拷示锟斤拷锟侥★拷图锟今」或「对比度★拷锟斤拷锟斤拷锟借定锟侥★拷锟斤拷於达拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷么锟皆硷拷锟�2.5锟斤拷锟揭★拷
为锟剿对此凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷影锟斤拷锟斤拷锟斤拷路锟节帮拷锟斤拷锟剿★拷伽锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷0.45锟斤拷锟斤拷锟剿斤拷锟斤拷锟斤拷影锟斤拷锟侥癸拷锟竭ｏ拷锟斤拷锟斤拷味锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷伽锟斤拷为2.2锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟侥革拷伽锟斤拷值锟斤拷锟斤拷锟剿对比度ｏ拷锟斤拷通锟斤拷锟角诧拷锟斤拷要锟侥ｏ拷锟斤拷为锟斤拷围锟侥癸拷锟竭革拷锟绞猴拷於低对比度★拷锟斤拷
锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷苑锟接κ碉拷锟斤拷锟斤拷呛锟斤拷实锟斤拷模锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟皆癸拷锟竭的凤拷应也锟角凤拷锟斤拷锟皆的★拷锟斤拷锟斤拷锟斤拷锟斤拷锟結锟斤拷锟斤拷为CIE锟斤拷锟饺ｏ拷锟斤拷锟斤拷锟斤拷锟皆的癸拷锟竭讹拷锟斤拷锟斤拷CIE也锟斤拷锟斤拷锟斤拷一锟斤拷锟接斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷L* (锟斤拷锟斤拷为 "ell star") 锟斤拷通锟斤拷使锟斤拷锟斤拷锟铰癸拷式锟斤拷Y锟斤拷锟斤拷玫锟斤拷模锟�
锟斤拷
锟节达拷Yn锟角帮拷色锟饺硷拷锟斤拷锟斤拷式锟侥碉拷一锟斤拷锟斤拷锟斤拷一锟斤拷小锟斤拷锟斤拷锟皆诧拷锟街★拷一锟姐，锟斤拷锟斤拷锟斤拷锟斤拷雀芯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷鹊锟斤拷锟斤拷锟斤拷锟斤拷锟截的ｏ拷锟斤拷锟缴第讹拷锟斤拷锟斤拷式指锟斤拷锟斤拷L* 锟侥凤拷围锟斤拷0锟斤拷100锟斤拷每锟斤拷L* 锟斤拷锟斤拷锟接讹拷锟劫讹拷锟斤拷锟斤拷锟斤拷锟杰感撅拷锟斤拷锟斤拷锟斤拷锟饺碉拷锟斤拷小锟戒化锟斤拷
锟斤拷锟斤拷知锟斤拷锟斤拷锟饺讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺对癸拷锟斤拷强锟饺憋拷锟斤拷要锟斤拷锟斤拷一些锟斤拷锟斤拷使锟斤拷位元锟斤拷锟斤拷锟斤拷锟斤拷锟劫碉拷一锟斤拷锟斤拷锟斤拷锟侥程度诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰凤拷锟揭诧拷锟斤拷锟斤拷锟斤拷锟窖讹拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷值 (P)锟斤拷围锟斤拷0锟斤拷255锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟缴碉拷压锟饺硷拷锟斤拷锟斤拷锟角假讹拷锟斤拷准锟斤拷为0.0锟斤拷1.0之锟斤拷锟街碉拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷暮锟缴拷锟斤拷瓒ㄎ�0锟斤拷锟斤拷图锟截碉拷强锟斤拷为锟斤拷
锟斤拷
锟斤拷锟斤拷么锟皆嘉�2.5锟斤拷锟斤拷锟斤拷芯锟斤拷锟斤拷锟斤拷锟� (L*)锟斤拷锟斤拷於达拷强锟饺碉拷锟斤拷锟斤拷锟斤拷锟酵变化锟斤拷0锟斤拷100锟侥凤拷围锟斤拷锟斤拷舜锟皆硷拷牵锟�
锟斤拷
指锟斤拷值锟斤拷约为0.85锟斤拷锟斤拷锟街革拷锟街滴�1锟斤拷锟斤拷么CIE锟斤拷锟斤拷锟斤拷图锟斤拷值锟斤拷全匹锟戒。锟斤拷然锟斤拷锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷值指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺就非筹拷锟接斤拷锟斤拷
BITMAPV4HEADER锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷位为锟斤拷锟斤拷DIB锟侥筹拷式锟结供锟斤拷一锟斤拷为图锟斤拷值指锟斤拷锟斤拷锟斤拷锟劫わ拷锟街碉拷姆锟斤拷锟斤拷锟斤拷锟叫┲碉拷锟�16位元锟斤拷锟斤拷值锟斤拷16位元锟斤拷小锟斤拷值说锟斤拷锟斤拷锟斤拷锟界，0x10000为1.0锟斤拷锟斤拷锟紻IB锟角诧拷捉实锟斤拷影锟斤拷锟斤拷锟斤拷锟斤拷模锟接帮拷锟阶接诧拷锟酵匡拷锟杰帮拷锟斤拷锟斤拷锟劫わ拷锟街碉拷锟斤拷锟斤拷铱锟斤拷锟斤拷锟�2.2锟斤拷锟斤拷锟斤拷为0x23333锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷锟缴筹拷式通锟斤拷锟斤拷锟姐法锟斤拷锟斤拷锟侥ｏ拷锟斤拷式锟斤拷使锟斤拷一锟斤拷锟斤拷式锟斤拷锟斤拷使锟矫碉拷锟轿猴拷锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷为CIE锟斤拷锟饺★拷
锟斤拷5锟斤拷锟紿eader
锟斤拷
为Windows 98锟斤拷Windows NT 5.0(锟斤拷Windows 2000)锟斤拷写锟侥筹拷式锟斤拷使锟斤拷拥锟斤拷锟铰碉拷BITMAPV5HEADER锟斤拷讯锟结构锟斤拷DIB锟斤拷
typedef struct
{
DWORD bV5Size ; // size of the structure = 120
LONG bV5Width ; // width of the image in pixels
LONG bV5Height ; // height of the image in pixels
WORD bV5Planes ; // = 1
WORD bV5BitCount ; // bits per pixel (1,4,8,16,24,or32)
DWORD bV5Compression ; // compression code
DWORD bV5SizeImage ; // number of bytes in image
LONG bV5XPelsPerMeter ; // horizontal resolution
LONG bV5YPelsPerMeter ; // vertical resolution
DWORD bV5ClrUsed ; // number of colors used
DWORD bV5ClrImportant ; // number of important colors
DWORD bV5RedMask ; // Red color mask
DWORD bV5GreenMask ; // Green color mask
DWORD bV5BlueMask ; // Blue color mask
DWORD bV5AlphaMask ; // Alpha mask
DWORD bV5CSType ; // color space type
CIEXYZTRIPLE bV5Endpoints ; // XYZ values
DWORD bV5GammaRed ; // Red gamma value
DWORD bV5GammaGreen ; // Green gamma value
DWORD bV5GammaBlue ; // Blue gamma value
DWORD bV5Intent ; // rendering intent
DWORD bV5ProfileData ; // profile data or filename
DWORD bV5ProfileSize ; // size of embedded data or filename
DWORD bV5Reserved ;
}
BITMAPV5HEADER, * PBITMAPV5HEADER ;
锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷位锟斤拷只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫★拷锟斤拷些锟斤拷位支援ICC Profile Format Specification锟斤拷锟斤拷锟斤拷锟缴★拷锟斤拷锟斤拷色锟斤拷协锟结（International Color Consortium锟斤拷锟斤拷(锟斤拷Adobe锟斤拷Agfa锟斤拷Apple锟斤拷Kodak锟斤拷Microsoft锟斤拷Silicon Graphics锟斤拷Sun Microsystems锟斤拷锟斤拷锟斤拷锟斤拷司锟斤拷锟�)锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷
http://www.icc.org 锟斤拷取锟斤拷锟斤拷锟斤拷锟阶硷拷母锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷希锟矫匡拷锟斤拷锟斤拷耄ㄉ拷锟斤拷锟斤拷锟斤拷锟接帮拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟酵斤拷片锟斤拷录锟斤拷锟斤拷锟皆硷拷锟斤拷示锟斤拷锟斤拷示锟斤拷锟斤拷锟借备锟诫将原始装锟斤拷锟斤拷锟斤拷锟缴拷锟揭伙拷锟轿猂GB锟斤拷CMYK锟斤拷锟斤拷系锟斤拷装锟斤拷锟睫癸拷锟斤拷色锟斤拷锟斤拷锟借定锟斤拷锟斤拷锟叫关ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷CIE XYZ值锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷些锟借定锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷.ICM锟斤拷指锟斤拷图锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷image color management锟斤拷锟斤拷锟斤拷锟借定锟斤拷锟斤拷锟斤拷嵌锟斤拷DIB锟斤拷锟斤拷锟叫伙拷锟紻IB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷DIB锟侥凤拷式锟斤拷锟斤拷锟斤拷锟斤拷/Platform SDK/Graphics and Multimedia Services/Color Management锟斤拷取锟斤拷锟叫癸拷Windows锟斤拷图锟斤拷锟斤拷色锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷细锟斤拷讯锟斤拷BITMAPV5HEADER锟斤拷bV5CSType锟斤拷位锟斤拷拥锟叫硷拷锟斤拷锟斤拷同锟斤拷值锟斤拷锟斤拷锟斤拷锟絃CS_CALIBRATED_RGB锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷BITMAPV4HEADER锟结构锟斤拷锟捷★拷bV5Endpoints锟斤拷位锟斤拷伽锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷效锟斤拷
锟斤拷锟絙V5CSType锟斤拷位锟斤拷LCS_sRGB锟斤拷锟酵诧拷锟斤拷锟借定剩锟斤拷锟斤拷锟轿伙拷锟皆わ拷锟斤拷锟斤拷色锟秸硷拷锟角★拷锟斤拷准锟斤拷锟斤拷RGB锟斤拷色锟秸间，锟斤拷锟斤拷锟斤拷Microsoft锟斤拷Hewlett-Packard锟斤拷要为Internet锟斤拷频模锟斤拷锟斤拷锟斤拷锟阶帮拷锟斤拷薰氐锟斤拷锟斤拷荻锟斤拷锟斤拷锟揭拷锟斤拷锟斤拷锟斤拷瓒拷锟斤拷锟斤拷锟斤拷锟斤拷募锟轿伙拷http://www.color.org/contrib/sRGB.html锟斤拷
锟斤拷锟絙V5CSType锟斤拷位锟斤拷LCS_Windows_COLOR_SPACE锟斤拷锟酵诧拷锟斤拷锟借定剩锟斤拷锟斤拷锟轿伙拷锟絎indows通锟斤拷API锟斤拷式锟斤拷锟斤拷使锟斤拷预锟斤拷锟斤拷锟缴拷占锟斤拷锟绞撅拷锟斤拷锟酵硷拷锟�
锟斤拷锟絙V5CSType锟斤拷位锟斤拷PROFILE_EMBEDDED锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷ICC锟借定锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿伙拷锟絇ROFILE_LINKED锟斤拷DIB锟斤拷锟斤拷锟酵帮拷锟斤拷锟斤拷ICC锟借定锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷路锟斤拷锟酵碉拷锟斤拷锟斤拷锟狡★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拢锟絙V5ProfileData锟斤拷锟角达拷BITMAPV5HEADER锟斤拷始锟斤拷锟借定锟斤拷锟斤拷锟斤拷锟较或档帮拷锟斤拷锟斤拷锟斤拷始位锟矫碉拷偏锟斤拷锟斤拷锟斤拷bV5ProfileSize锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷锟较或档帮拷锟斤拷锟侥达拷小锟斤拷锟斤拷锟斤拷锟借定bV5Endpoints锟斤拷伽锟斤拷锟斤拷位锟斤拷
锟斤拷示DIB锟斤拷讯
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些锟斤拷式锟诫。实锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷未锟斤拷锟斤拷私锟斤拷锟绞綝IB锟斤拷知识锟斤拷锟斤拷锟斤拷锟斤拷锟杰憋拷锟斤拷头锟结构锟斤拷锟斤拷示锟叫癸拷DIB锟斤拷锟斤拷讯锟斤拷锟斤拷锟绞�15-1 DIBHEADS锟斤拷示锟斤拷
锟斤拷式15-1 DIBHEADS
DIBHEADS.C
/*---------------------------------------------------------------------------
DIBHEADS.C -- Displays DIB Header Information
(c) Charles Petzold, 1998
---------------------------------------------------------------------------*/
#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("DibHeads") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HACCEL hAccel ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("DIB Headers"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
hAccel = LoadAccelerators (hInstance, szAppName) ;
while (GetMessage (&msg, NULL, 0, 0))
{
if (!TranslateAccelerator (hwnd, hAccel, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return msg.wParam ;
}
void Printf (HWND hwnd, TCHAR * szFormat, ...)
{
TCHAR szBuffer [1024] ;
va_list pArgList ;
va_start (pArgList, szFormat) ;
wvsprintf (szBuffer, szFormat, pArgList) ;
va_end (pArgList) ;
SendMessage (hwnd, EM_SETSEL, (WPARAM) -1, (LPARAM) -1) ;
SendMessage (hwnd, EM_REPLACESEL, FALSE, (LPARAM) szBuffer) ;
SendMessage (hwnd, EM_SCROLLCARET, 0, 0) ;
}
void DisplayDibHeaders (HWND hwnd, TCHAR * szFileName)
{
static TCHAR * szInfoName []= { TEXT ("BITMAPCOREHEADER"),
TEXT ("BITMAPINFOHEADER"),
TEXT ("BITMAPV4HEADER"),
TEXT ("BITMAPV5HEADER") } ;
Static TCHAR * szCompression []={TEXT ("BI_RGB"),
TEXT ("BI_RLE8"),
TEXT ("BI_RLE4"),
TEXT ("BI_BITFIELDS"),
TEXT ("unknown") } ;
BITMAPCOREHEADER * pbmch ;
BITMAPFILEHEADER * pbmfh ;
BITMAPV5HEADER * pbmih ;
BOOL bSuccess ;
DWORD dwFileSize, dwHighSize, dwBytesRead ;
HANDLE hFile ;
int i ;
PBYTE pFile ;
TCHAR * szV ;
// Display the file name
Printf (hwnd, TEXT ("File: %s\r\n\r\n"), szFileName) ;
// Open the file
hFile = CreateFile (szFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL) ;
if (hFile == INVALID_HANDLE_VALUE)
{
Printf (hwnd, TEXT ("Cannot open file.\r\n\r\n")) ;
return ;
}
// Get the size of the file
dwFileSize = GetFileSize (hFile, &dwHighSize) ;
if (dwHighSize)
{
Printf (hwnd, TEXT ("Cannot deal with >4G files.\r\n\r\n")) ;
CloseHandle (hFile) ;
return ;
}
// Allocate memory for the file
pFile = malloc (dwFileSize) ;
if (!pFile)
{
Printf (hwnd, TEXT ("Cannot allocate memory.\r\n\r\n")) ;
CloseHandle (hFile) ;
return ;
}
// Read the file
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
bSuccess = ReadFile (hFile, pFile, dwFileSize, &dwBytesRead, NULL) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
if (!bSuccess || (dwBytesRead != dwFileSize))
{
Printf (hwnd, TEXT ("Could not read file.\r\n\r\n")) ;
CloseHandle (hFile) ;
free (pFile) ;
return ;
}
// Close the file
CloseHandle (hFile) ;
// Display file size
Printf (hwnd, TEXT ("File size = %u bytes\r\n\r\n"), dwFileSize) ;
// Display BITMAPFILEHEADER structure
pbmfh = (BITMAPFILEHEADER *) pFile ;
Printf (hwnd, TEXT ("BITMAPFILEHEADER\r\n")) ;
Printf (hwnd, TEXT ("\t.bfType = 0x%X\r\n"), pbmfh->bfType) ;
Printf (hwnd, TEXT ("\t.bfSize = %u\r\n"), pbmfh->bfSize) ;
Printf (hwnd, TEXT ("\t.bfReserved1 = %u\r\n"), pbmfh->bfReserved1) ;
Printf (hwnd, TEXT ("\t.bfReserved2 = %u\r\n"), pbmfh->bfReserved2) ;
Printf (hwnd, TEXT ("\t.bfOffBits = %u\r\n\r\n"), pbmfh->bfOffBits) ;
// Determine which information structure we have
pbmih = (BITMAPV5HEADER *) (pFile + sizeof (BITMAPFILEHEADER)) ;
switch (pbmih->bV5Size)
{
case sizeof (BITMAPCOREHEADER):i= 0 ; break ;
case sizeof (BITMAPINFOHEADER): i= 1 ; szV=
TEXT ("i") ; break ;
case sizeof (BITMAPV4HEADER):i= 2 ; szV=
TEXT ("V4") ; break ;
case sizeof (BITMAPV5HEADER):i= 3 ; szV=
TEXT ("V5") ; break ;
default:
Printf (hwnd, TEXT ("Unknown header size of %u.\r\n\r\n"),
pbmih->bV5Size) ;
free (pFile) ;
return ;
}
Printf (hwnd, TEXT ("%s\r\n"), szInfoName[i]) ;
// Display the BITMAPCOREHEADER fields
if (pbmih->bV5Size == sizeof (BITMAPCOREHEADER))
{
pbmch = (BITMAPCOREHEADER *) pbmih ;
Printf(hwnd,TEXT("\t.bcSize = %u\r\n"), pbmch->bcSize) ;
Printf(hwnd,TEXT("\t.bcWidth = %u\r\n"), pbmch->bcWidth) ;
Printf(hwnd,TEXT("\t.bcHeight = %u\r\n"), pbmch->bcHeight) ;
Printf(hwnd,TEXT("\t.bcPlanes = %u\r\n"), pbmch->bcPlanes) ;
Printf(hwnd,TEXT("\t.bcBitCount = %u\r\n\r\n"), pbmch->bcBitCount) ;
free (pFile) ;
return ;
}
// Display the BITMAPINFOHEADER fields
Printf(hwnd,TEXT("\t.b%sSize = %u\r\n"), szV, pbmih->bV5Size) ;
Printf(hwnd,TEXT("\t.b%sWidth = %i\r\n"), szV, pbmih->bV5Width) ;
Printf(hwnd,TEXT("\t.b%sHeight = %i\r\n"), szV, pbmih->bV5Height) ;
Printf(hwnd,TEXT("\t.b%sPlanes = %u\r\n"), szV, pbmih->bV5Planes) ;
Printf(hwnd,TEXT("\t.b%sBitCount=%u\r\n"),szV, pbmih->bV5BitCount) ;
Printf(hwnd,TEXT("\t.b%sCompression = %s\r\n"), szV,
szCompression [min (4, pbmih->bV5Compression)]) ;
Printf(hwnd,TEXT("\t.b%sSizeImage= %u\r\n"),szV,
pbmih->bV5SizeImage) ;
Printf(hwnd,TEXT ("\t.b%sXPelsPerMeter = %i\r\n"), szV,
pbmih->bV5XPelsPerMeter) ;
Printf(hwnd,TEXT ("\t.b%sYPelsPerMeter = %i\r\n"), szV,
pbmih->bV5YPelsPerMeter) ;
Printf (hwnd, TEXT ("\t.b%sClrUsed = %i\r\n"), szV,
pbmih->bV5ClrUsed) ;
Printf (hwnd, TEXT ("\t.b%sClrImportant = %i\r\n\r\n"), szV,
pbmih->bV5ClrImportant) ;
if (pbmih->bV5Size == sizeof (BITMAPINFOHEADER))
{
if (pbmih->bV5Compression == BI_BITFIELDS)
{
Printf (hwnd,TEXT("Red Mask = %08X\r\n"), pbmih->bV5RedMask) ;
Printf (hwnd,TEXT ("Green Mask = %08X\r\n"), pbmih->bV5GreenMask) ;
Printf (hwnd,TEXT ("Blue Mask = %08X\r\n\r\n"), pbmih->bV5BlueMask) ;
}
free (pFile) ;
return ;
}
// Display additional BITMAPV4HEADER fields
Printf (hwnd, TEXT ("\t.b%sRedMask = %08X\r\n"), szV,
pbmih->bV5RedMask) ;
Printf (hwnd, TEXT ("\t.b%sGreenMask = %08X\r\n"), szV,
pbmih->bV5GreenMask) ;
Printf (hwnd, TEXT ("\t.b%sBlueMask = %08X\r\n"), szV,
pbmih->bV5BlueMask) ;
Printf (hwnd, TEXT ("\t.b%sAlphaMask = %08X\r\n"), szV,
pbmih->bV5AlphaMask) ;
Printf (hwnd, TEXT ("\t.b%sCSType = %u\r\n"), szV,
pbmih->bV5CSType) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzRed.ciexyzX = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzRed.ciexyzX) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzRed.ciexyzY = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzRed.ciexyzY) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzRed.ciexyzZ = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzRed.ciexyzZ) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzGreen.ciexyzX = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzGreen.ciexyzX) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzGreen.ciexyzY = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzGreen.ciexyzY) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzGreen.ciexyzZ = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzGreen.ciexyzZ) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzBlue.ciexyzX = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzBlue.ciexyzX) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzBlue.ciexyzY = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzBlue.ciexyzY) ;
Printf (hwnd, TEXT ("\t.b%sEndpoints.ciexyzBlue.ciexyzZ = %08X\r\n"),
szV, pbmih->bV5Endpoints.ciexyzBlue.ciexyzZ) ;
Printf (hwnd, TEXT ("\t.b%sGammaRed = %08X\r\n"), szV,
pbmih->bV5GammaRed) ;
Printf (hwnd, TEXT ("\t.b%sGammaGreen = %08X\r\n"), szV,
pbmih->bV5GammaGreen) ;
Printf (hwnd, TEXT ("\t.b%sGammaBlue = %08X\r\n\r\n"), szV,
pbmih->bV5GammaBlue) ;
if (pbmih->bV5Size == sizeof (BITMAPV4HEADER))
{
free (pFile) ;
return ;
}
// Display additional BITMAPV5HEADER fields
Printf (hwnd, TEXT ("\t.b%sIntent = %u\r\n"), szV, pbmih->bV5Intent) ;
Printf (hwnd, TEXT ("\t.b%sProfileData = %u\r\n"), szV,
pbmih->bV5ProfileData) ;
Printf (hwnd, TEXT ("\t.b%sProfileSize = %u\r\n"), szV,
pbmih->bV5ProfileSize) ;
Printf (hwnd, TEXT ("\t.b%sReserved = %u\r\n\r\n"), szV,
pbmih->bV5Reserved) ;
free (pFile) ;
return ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HWND hwndEdit ;
static OPENFILENAME ofn ;
static TCHAR szFileName [MAX_PATH], szTitleName [MAX_PATH] ;
static TCHAR szFilter[]= TEXT("Bitmap Files (*.BMP)\0*.bmp\0")
TEXT("All Files (*.*)\0*.*\0\0") ;
switch (message)
{
case WM_CREATE:
hwndEdit = CreateWindow (TEXT ("edit"), NULL,
WS_CHILD | WS_VISIBLE | WS_BORDER |
WS_VSCROLL | WS_HSCROLL |
ES_MULTILINE | ES_AUTOVSCROLL | ES_READONLY,
0, 0, 0, 0, hwnd, (HMENU) 1,
((LPCREATESTRUCT) lParam)->hInstance, NULL) ;
ofn.lStructSize = sizeof (OPENFILENAME) ;
ofn.hwndOwner = hwnd ;
ofn.hInstance = NULL ;
ofn.lpstrFilter = szFilter ;
ofn.lpstrCustomFilter = NULL ;
ofn.nMaxCustFilter = 0 ;
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = szFileName ;
ofn.nMaxFile = MAX_PATH ;
ofn.lpstrFileTitle = szTitleName ;
ofn.nMaxFileTitle = MAX_PATH ;
ofn.lpstrInitialDir = NULL ;
ofn.lpstrTitle = NULL ;
ofn.Flags = 0 ;
ofn.nFileOffset = 0 ;
ofn.nFileExtension = 0 ;
ofn.lpstrDefExt = TEXT ("bmp") ;
ofn.lCustData = 0 ;
ofn.lpfnHook = NULL ;
ofn.lpTemplateName = NULL ;
return 0 ;
case WM_SIZE:
MoveWindow (hwndEdit, 0, 0, LOWORD (lParam), HIWORD (lParam), TRUE) ;
return 0 ;
case WM_COMMAND:
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
if (GetOpenFileName (&ofn))
DisplayDibHeaders (hwndEdit, szFileName) ;
return 0 ;
}
break ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
DIBHEADS.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
///////////////////////////////////////////////////////////////////////////
// Accelerator
DIBHEADS ACCELERATORS DISCARDABLE
BEGIN
"O", IDM_FILE_OPEN, VIRTKEY, CONTROL, NOINVERT
END
///////////////////////////////////////////////////////////////////////////
// Menu
DIBHEADS MENU DISCARDABLE
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&Open\tCtrl+O", IDM_FILE_OPEN
END
END
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by DibHeads.rc #define IDM_FILE_OPEN 40001
锟剿筹拷式锟斤拷一锟斤拷锟斤拷痰锟絎ndProc锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷唯锟斤拷锟侥编辑锟接达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟杰憋拷锟较的★拷File Open锟斤拷锟斤拷锟筋。锟斤拷通锟斤拷锟斤拷锟斤拷GetOpenFileName锟斤拷式使锟矫憋拷准锟侥★拷File Open锟斤拷锟皆伙拷锟斤拷锟介，然锟斤拷锟斤拷锟紻isplayDibHeaders锟斤拷式锟斤拷锟剿猴拷式锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷宀拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷械谋锟酵凤拷锟窖讹拷锟�
锟斤拷示锟斤拷锟斤拷印
锟斤拷
锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷一锟斤拷锟叫ｏ拷锟斤拷锟角匡拷一锟斤拷Windows锟斤拷锟斤拷讯锟斤拷示锟斤拷锟较伙拷锟斤拷印页锟斤拷锟斤拷支援锟斤拷示DIB锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷要锟矫碉拷锟斤拷锟矫碉拷锟斤拷锟杰ｏ拷锟斤拷锟斤拷锟斤拷使锟斤拷一锟街讹拷圈锟接的凤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷图锟斤拷锟揭伙拷锟节憋拷锟铰碉拷锟斤拷锟斤拷锟斤拷锟桔该凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟揭恍╋拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷为SetDIBitsToDevice锟斤拷锟斤拷锟斤拷为锟斤拷set dee eye bits to device锟斤拷锟斤拷锟斤拷StretchDIBits 锟斤拷锟斤拷锟斤拷为锟斤拷stretch dee eye bits锟斤拷锟斤拷锟斤拷每锟斤拷锟斤拷式锟斤拷使锟矫达拷锟斤拷锟节硷拷锟斤拷锟斤拷锟叫碉拷DIB锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷DIB锟斤拷锟斤拷锟侥撅拷锟轿诧拷锟街★拷锟斤拷使锟斤拷SetDIBitsToDevice时锟斤拷锟斤拷图锟斤拷为锟斤拷位锟斤拷锟斤拷示映锟斤拷拇锟叫★拷锟紻IB锟斤拷图锟截达拷小锟斤拷同锟斤拷锟斤拷锟界，一锟斤拷640锟斤拷480锟斤拷DIB锟斤拷占锟斤拷锟斤拷锟斤拷锟斤拷准锟斤拷VGA萤幕锟斤拷锟斤拷锟斤拷300dpi锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷只锟斤拷约2.1锟斤拷1.6英锟界。StretchDIBits锟斤拷锟斤拷锟斤拷锟斤拷锟叫IB锟竭达拷锟斤拷泻锟斤拷写佣锟斤拷锟斤拷锟斤拷锟借备锟斤拷锟斤拷示一锟斤拷锟截讹拷锟侥达拷小锟斤拷
锟剿斤拷DIB
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式之一锟斤拷锟斤拷示DIB时锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟斤拷讯锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷说锟斤拷锟侥ｏ拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫诧拷锟街ｏ拷
锟斤拷
DIB锟斤拷锟斤拷锟杰憋拷锟斤拷锟斤拷锟斤拷锟斤拷濉ｏ拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷头锟解，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷校锟街革拷锟矫硷拷锟斤拷锟斤拷榭硷拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟窖讹拷锟酵凤拷目锟酵凤拷锟斤拷锟街革拷瓯伙拷锟轿革拷锟絧acked DIB锟斤拷指锟疥（锟斤拷锟斤拷图锟斤拷锟斤拷
锟斤拷
锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB时锟斤拷锟矫的革拷式锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷刷时锟斤拷锟矫的革拷式锟斤拷锟斤拷为锟斤拷锟斤拷DIB锟缴碉拷锟斤拷指锟疥（锟斤拷pPackedDib锟斤拷锟斤拷锟矫ｏ拷锟斤拷锟斤拷packed DIB锟斤拷锟节硷拷锟斤拷锟斤拷锟叫达拷锟斤拷DIB锟侥凤拷锟姐方锟斤拷锟斤拷锟斤拷锟斤拷锟皆帮拷指锟疥定锟斤拷为指锟斤拷BYTE锟斤拷指锟疥。使锟矫憋拷锟斤拷前锟斤拷锟斤拷示锟侥结构锟斤拷锟藉，锟杰得碉拷锟斤拷锟叫达拷锟斤拷锟斤拷DIB锟节碉拷锟斤拷讯锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟酵革拷锟斤拷图锟斤拷位元锟斤拷
然锟斤拷锟斤拷要锟斤拷玫锟斤拷锟矫达拷锟斤拷锟窖讹拷锟斤拷锟斤拷锟揭恍╋拷锟绞斤拷搿ｏ拷锟斤拷纾拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷虻サ锟饺★拷锟紻IB锟斤拷图锟截匡拷锟饺ｏ拷
iWidth = ((PBITMAPINFOHEADER) pPackedDib)->biWidth ;
DIB锟叫匡拷锟斤拷锟斤拷OS/2锟斤拷锟捷革拷式锟侥★拷锟斤拷锟斤拷锟街革拷式锟叫ｏ拷packed DIB锟斤拷BITMAPCOREHEADER锟结构锟斤拷始锟斤拷锟斤拷锟斤拷DIB锟斤拷图锟截匡拷锟饺和高讹拷锟斤拷16位元WORD锟斤拷锟斤拷锟斤拷锟斤拷32位元LONG锟斤拷锟芥。锟斤拷耍锟斤拷锟斤拷缺锟斤拷锟斤拷锟紻IB锟角凤拷为锟缴的革拷式锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷应锟侥诧拷锟斤拷锟斤拷
if (((PBITMAPCOREHEADER) pPackedDib)->bcSize == sizeof (BITMAPCOREHEADER))
iWidth = ((PBITMAPCOREHEADER) pPackedDib)->bcWidth ;
else
iWidth = ((PBITMAPINFOHEADER) pPackedDib)->biWidth ;
锟斤拷然锟斤拷锟解不锟斤拷锟姐，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷喜锟矫碉拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷趣锟斤拷实锟介：锟斤拷锟斤拷一锟斤拷指锟斤拷packed DIB锟斤拷指锟疥，锟斤拷锟斤拷要锟揭筹拷位锟斤拷锟斤拷辏�5,27锟斤拷锟斤拷图锟斤拷值锟斤拷锟斤拷使锟劫讹拷DIB锟斤拷锟斤拷OS/2锟斤拷锟捷的革拷式锟斤拷锟斤拷也锟斤拷要锟剿斤拷DIB锟侥匡拷锟饺★拷锟竭度猴拷位元锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷每一锟斤拷图锟截碉拷位元锟介长锟饺ｏ拷确锟斤拷色锟绞讹拷锟秸憋拷锟节碉拷锟斤拷目锟斤拷锟斤拷锟皆硷拷色锟绞讹拷锟秸憋拷锟角凤拷锟斤拷锟斤拷锟斤拷锟�32位元锟斤拷锟斤拷色锟斤拷锟街★拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟角凤拷压锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷遣锟斤拷锟街憋拷锟斤拷锟轿恢凤拷玫锟斤拷摹锟�
锟斤拷锟斤拷锟斤拷锟揭憋拷哟锟饺★拷锟斤拷械锟紻IB图锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷图锟轿达拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芑锟斤拷锟斤拷锟揭伙拷愦︼拷锟绞憋拷洹ｏ拷锟斤拷锟斤拷锟皆拷颍锟斤拷锟揭伙拷锟街革拷锟絧acked DIB锟斤拷指锟斤拷秃芊锟斤拷锟斤拷耍锟斤拷锟斤拷锟斤拷獠拷锟斤拷锟揭伙拷锟斤拷锟叫э拷实慕锟斤拷锟斤拷式锟斤拷锟斤拷一锟斤拷漂锟斤拷锟侥斤拷锟斤拷锟斤拷锟斤拷锟轿狣IB锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟姐够锟斤拷员锟斤拷锟较碉拷C++锟斤拷穑佣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截达拷取DIB图锟截★拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷锟节憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿斤拷C++锟斤拷锟揭斤拷锟斤拷锟斤拷一锟斤拷说锟斤拷一锟斤拷C锟侥斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟絊etDIBitsToDevice锟斤拷StretchDIBits锟斤拷式锟斤拷锟斤拷要锟斤拷锟斤拷讯锟斤拷锟斤拷一锟斤拷指锟斤拷DIB锟斤拷BITMAPINFO锟结构锟斤拷指锟疥。锟斤拷应锟斤拷锟斤拷锟斤拷BITMAPINFO锟结构锟斤拷BITMAPINFOHEADER锟结构锟斤拷色锟绞讹拷锟秸憋拷锟斤拷伞锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟街革拷锟絧acked DIB锟斤拷指锟疥。
锟斤拷式也锟斤拷要一锟斤拷指锟斤拷图锟斤拷位元锟斤拷指锟疥。锟斤拷锟杰筹拷式锟斤拷写锟矫很诧拷漂锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷昊癸拷强锟斤拷源锟斤拷锟窖讹拷锟酵凤拷诘锟斤拷锟窖讹拷瞥锟斤拷锟阶拷猓拷锟斤拷锟斤拷锟饺ITMAPFILEHEADER锟结构锟斤拷bfOffBits锟斤拷位时锟斤拷锟斤拷锟街革拷锟斤拷芎锟斤拷锟斤拷椎丶锟斤拷锟斤拷锟斤拷bfOffBits锟斤拷位指锟斤拷锟剿达拷DIB锟斤拷锟斤拷锟侥匡拷头锟斤拷图锟斤拷位元锟斤拷偏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆简单地把达拷偏锟斤拷锟斤拷锟接碉拷BITMAPINFO指锟斤拷锟叫ｏ拷然锟斤拷锟饺ITMAPFILEHEADER锟结构锟侥达拷小锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟接硷拷锟斤拷锟斤拷锟较得碉拷指锟斤拷packed DIB锟斤拷指锟斤拷时锟斤拷锟解并锟斤拷锟斤拷锟斤拷锟矫ｏ拷锟斤拷为没锟斤拷BITMAPFILEHEADER锟结构锟斤拷
锟斤拷图锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷辏�
锟斤拷
SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷式锟斤拷要锟斤拷锟斤拷指锟斤拷DIB锟斤拷指锟疥，锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟街诧拷锟斤拷锟斤拷锟斤拷锟侥硷拷锟斤拷锟斤拷锟斤拷凇锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉：
锟斤拷
确实锟斤拷锟斤拷DIB锟街筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呛锟斤拷锟斤拷玫模锟街伙拷锟斤拷锟斤拷歉锟较诧拷锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷锟斤拷锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷packed DIB锟津交碉拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟疥，SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷式通锟斤拷也锟斤拷要DIB锟斤拷图锟截匡拷锟饺和高度★拷锟斤拷只锟斤拷锟斤拷示DIB锟斤拷一锟斤拷锟街ｏ拷锟酵诧拷锟斤拷锟斤拷确锟斤拷知锟斤拷锟斤拷些值锟斤拷锟斤拷锟斤拷锟角会定锟斤拷锟斤拷锟斤拷DIB图锟斤拷位元锟斤拷锟斤拷锟节讹拷锟斤拷木锟斤拷蔚锟斤拷锟斤拷蕖锟�
锟斤拷缘锟酵硷拷锟斤拷锟绞�
锟斤拷
SetDIBitsToDevice锟斤拷式锟斤拷示没锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷锟紻IB锟斤拷DIB锟斤拷每锟斤拷图锟截讹拷应锟斤拷锟斤拷锟斤拷璞革拷锟揭伙拷锟酵硷拷锟斤拷希锟斤拷锟斤拷锟紻IB锟叫碉拷图锟斤拷一锟斤拷锟结被锟斤拷确锟斤拷示锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷说锟斤拷图锟斤拷亩锟斤拷锟斤拷锟斤拷戏锟斤拷锟斤拷魏位锟接帮拷锟阶帮拷锟斤拷锟斤拷莸锟斤拷锟斤拷锟阶拷锟斤拷锟接帮拷锟斤拷锟斤拷锟绞綝IB锟侥匡拷始位锟矫ｏ拷锟斤拷锟斤拷影锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷图片锟斤拷小锟酵凤拷锟津。该猴拷式锟斤拷锟铰ｏ拷
iLines = SetDIBitsToDevice (
hdc, // device context handle
xDst, // x destination coordinate
yDst, // y destination coordinate
cxSrc, // source rectangle width
cySrc, // source rectangle height
xSrc, // x source coordinate
ySrc, // y source coordinate
yScan, // first scan line to draw
cyScans, // number of scan lines to draw
pBits, // pointer to DIB pixel bits
pInfo, // pointer to DIB information
fClrUse) ; // color use flag
锟斤拷要锟皆诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟结烦锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷拢锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷瓤锟斤拷锟斤拷锟揭拷虻ァ锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵撅拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷梅锟斤拷锟斤拷锟斤拷锟斤拷锟竭帮拷锟姐，锟斤拷锟斤拷锟斤拷锟角斤拷学锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷
锟斤拷GDI锟斤拷示锟斤拷式一锟斤拷锟斤拷SetDIBitsToDevice锟侥碉拷一锟斤拷锟斤拷锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚ｏ拷锟斤拷指锟斤拷锟斤拷示DIB锟斤拷锟借备锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷xDst锟斤拷yDst锟斤拷锟斤拷锟斤拷锟斤拷璞革拷锟斤拷呒锟斤拷锟斤拷辏拷锟街革拷锟斤拷锟斤拷锟绞綝IB图锟斤拷锟斤拷锟较角碉拷锟斤拷锟疥（锟斤拷锟较端★拷指锟斤拷锟斤拷锟接撅拷锟较碉拷锟较凤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB图锟截的碉拷一锟叫ｏ拷锟斤拷注锟解，锟斤拷些锟斤拷锟斤拷锟竭硷拷锟斤拷锟疥，锟斤拷锟斤拷锟斤拷歉锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷锟矫碉拷锟轿猴拷锟斤拷锟斤拷转锟斤拷锟斤拷式锟斤拷锟斤拷Windows NT锟斤拷锟斤拷锟斤拷拢锟斤拷瓒拷锟斤拷魏慰占锟阶拷锟斤拷锟斤拷锟斤拷诙锟斤拷锟組M_TEXT映锟戒方式锟铰ｏ拷锟斤拷锟皆帮拷锟斤拷些锟斤拷锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷示平锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示DIB图锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷DIB图锟斤拷锟斤拷锟斤拷示锟斤拷锟叫碉拷一锟斤拷锟街ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谩锟斤拷锟斤拷锟紻IB图锟斤拷锟斤拷锟较碉拷锟斤拷锟较讹拷锟铰的凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷锟教革拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟接︼拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷DIB时锟斤拷应锟斤拷xSrc锟斤拷ySrc锟借定为0锟斤拷锟斤拷锟斤拷cxSrc锟斤拷cySrc应锟街憋拷锟斤拷DIB锟斤拷图锟截匡拷锟饺和高度★拷注锟解，锟斤拷为BITMAPINFOHEADER锟结构锟斤拷biHeight锟斤拷位锟斤拷锟斤拷锟斤拷隙锟斤拷碌锟紻IB锟斤拷说锟角革拷锟侥ｏ拷cySrc应锟借定为biHeight锟斤拷位锟侥撅拷锟斤拷值锟斤拷
锟剿猴拷式锟斤拷锟侥硷拷 锟斤拷/Platform SDK/Graphics and Multimedia Services/GDI/Bitmaps/Bitmap Reference/Bitmap Functions/SetDIBitsToDevice锟斤拷锟斤拷说xSrc锟斤拷ySrc锟斤拷cxSrc锟斤拷cySrc锟斤拷锟斤拷锟斤拷锟竭硷拷锟斤拷位锟斤拷锟斤拷锟角诧拷锟斤拷确锟侥ｏ拷锟斤拷锟斤拷锟斤拷图锟截碉拷锟斤拷锟斤拷统叽纭ｏ拷锟斤拷DIB锟节碉拷图锟截ｏ拷拥锟斤拷锟竭硷拷锟斤拷锟斤拷偷锟轿伙拷锟矫伙拷锟绞裁达拷锟斤拷锟侥★拷锟斤拷锟揭ｏ拷锟斤拷锟斤拷锟斤拷什么映锟戒方式锟斤拷锟斤拷锟斤拷锟斤拷璞革拷锟斤拷锟绞撅拷锟紻IB始锟斤拷锟斤拷cxSrc图锟截匡拷锟斤拷cySrc图锟截高★拷
锟斤拷锟斤拷锟饺诧拷锟斤拷细锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷yScan锟斤拷cyScan锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟接达拷片锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟捷伙拷锟斤拷取锟斤拷锟斤拷时锟斤拷透锟斤拷每锟斤拷锟斤拷示DIB锟斤拷一小锟斤拷锟街硷拷锟劫对硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟統Scan锟借定为0锟斤拷cyScan锟借定为DIB锟侥高度★拷
pBits锟斤拷锟斤拷锟斤拷指锟斤拷DIB图锟斤拷位元锟斤拷指锟疥。pInfo锟斤拷锟斤拷锟斤拷指锟斤拷DIB锟斤拷BITMAPINFO锟结构锟斤拷指锟疥。锟斤拷然BITMAPINFO锟结构锟斤拷位址锟斤拷BITMAPINFOHEADER锟结构锟斤拷位址锟斤拷同锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟结构锟斤拷锟斤拷锟斤拷为使锟斤拷BITMAPINFO锟结构锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟�1位元锟斤拷4位元锟斤拷8位元DIB锟斤拷锟斤拷锟斤拷图锟斤拷讯锟斤拷头锟斤拷锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷pInfo锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为指锟斤拷BITMAPINFO锟结构锟斤拷指锟疥，锟斤拷也锟斤拷指锟斤拷BITMAPCOREINFO锟斤拷BITMAPV4HEADER锟斤拷BITMAPV5HEADER锟结构锟斤拷指锟疥。
锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷DIB_RGB_COLORS锟斤拷DIB_PAL_COLORS锟斤拷锟斤拷WINGDI.H锟节分憋拷锟斤拷为0锟斤拷1锟斤拷锟斤拷锟斤拷锟绞癸拷锟紻IB_RGB_COLORS锟斤拷锟斤拷锟斤拷味锟斤拷DIB锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷DIB_PAL_COLORS锟斤拷锟街革拷锟斤拷锟紻IB锟节碉拷色锟绞讹拷锟秸憋拷锟窖撅拷锟斤拷指锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷锟斤拷识锟斤拷牡锟缴拷痰锟�16位元锟斤拷锟斤拷锟斤拷锟芥。锟斤拷锟斤拷一锟斤拷锟斤拷锟角斤拷学习锟斤拷锟窖★拷睢ｏ拷锟斤拷锟斤拷锟绞癸拷锟紻IB_RGB_COLORS锟斤拷锟斤拷锟斤拷锟斤拷0锟斤拷
SetDIBitsToDevice锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷扫锟斤拷锟叫碉拷锟斤拷目锟斤拷
锟斤拷耍锟揭拷锟斤拷锟絊etDIBitsToDevice锟斤拷锟斤拷示锟斤拷锟斤拷DIB图锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷讯锟斤拷
-
hdc 目锟侥憋拷锟斤拷锟阶帮拷锟斤拷锟斤拷荽锟斤拷锟�
锟斤拷 -
xDst锟斤拷yDst 图锟斤拷锟斤拷锟较角碉拷目锟斤拷锟斤拷锟斤拷
锟斤拷 -
cxDib锟斤拷cyDib DIB锟斤拷图锟截匡拷锟饺和高度ｏ拷锟斤拷锟斤拷锟斤，cyDib锟斤拷BITMAPINFOHEADER锟结构锟斤拷biHeight锟斤拷位锟侥撅拷锟斤拷值锟斤拷
锟斤拷 -
pInfo锟斤拷pBits 指锟斤拷锟斤拷锟酵硷拷锟窖讹拷锟斤拷趾锟酵硷拷锟轿辉拷锟街革拷锟�
锟斤拷
然锟斤拷锟斤拷锟斤拷锟叫凤拷锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷
SetDIBitsToDevice (
hdc, // device context handle
xDst, // x destination coordinate
yDst, // y destination coordinate
cxDib, // source rectangle width
cyDib, // source rectangle height
0, // x source coordinate
0, // y source coordinate
0, // first scan line to draw
cyDib, // number of scan lines to draw
pBits, // pointer to DIB pixel bits
pInfo, // pointer to DIB information
0) ; // color use flag
锟斤拷耍锟斤拷锟紻IB锟斤拷12锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟侥革拷锟借定为0锟斤拷一锟斤拷锟斤拷锟截革拷锟侥★拷
锟斤拷式15-2 SHOWDIB1通锟斤拷使锟斤拷SetDIBitsToDevice锟斤拷式锟斤拷示DIB锟斤拷
锟斤拷式15-2 SHOWDIB1
SHOWDIB1.C
/*---------------------------------------------------------------------
SHOWDIB1.C -- Shows a DIB in the client area
(c) Charles Petzold, 1998
---------------------------------------------------------------------*/
#include <windows.h>
#include "dibfile.h"
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("ShowDib1") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HACCEL hAccel ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("Show DIB #1"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
hAccel = LoadAccelerators (hInstance, szAppName) ;
while (GetMessage (&msg, NULL, 0, 0))
{
if (!TranslateAccelerator (hwnd, hAccel, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static BITMAPFILEHEADER * pbmfh ;
static BITMAPINFO * pbmi ;
static BYTE * pBits ;
static int cxClient, cyClient, cxDib, cyDib ;
static TCHAR szFileName [MAX_PATH], szTitleName [MAX_PATH] ;
BOOL bSuccess ;
HDC hdc ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
DibFileInitialize (hwnd) ;
return 0 ;
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
return 0 ;
case WM_INITMENUPOPUP:
EnableMenuItem ((HMENU) wParam, IDM_FILE_SAVE,
pbmfh ? MF_ENABLED : MF_GRAYED) ;
return 0 ;
case WM_COMMAND:
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
// Show the File Open dialog box
if (!DibFileOpenDlg (hwnd, szFileName, szTitleName))
return 0 ;
// If there's an existing DIB, free the memory
if (pbmfh)
{
free (pbmfh) ;
pbmfh = NULL ;
}
// Load the entire DIB into memory
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
pbmfh = DibLoadImage (szFileName) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
// Invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE) ;
if (pbmfh == NULL)
{
MessageBox ( hwnd, TEXT ("Cannot load DIB file"),
szAppName, 0) ;
return 0 ;
}
// Get pointers to the info structure & the bits
pbmi = (BITMAPINFO *) (pbmfh + 1) ;
pBits = (BYTE *) pbmfh + pbmfh->bfOffBits ;
// Get the DIB width and height
if (pbmi->bmiHeader.biSize == sizeof (BITMAPCOREHEADER))
{
cxDib = ((BITMAPCOREHEADER *) pbmi)->bcWidth ;
cyDib = ((BITMAPCOREHEADER *) pbmi)->bcHeight ;
}
else
{
cxDib = pbmi->bmiHeader.biWidth ;
cyDib = abs( pbmi->bmiHeader.biHeight) ;
}
return 0 ;
case IDM_FILE_SAVE:
// Show the File Save dialog box
if (!DibFileSaveDlg (hwnd, szFileName, szTitleName))
return 0 ;
// Save the DIB to memory
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
bSuccess = DibSaveImage (szFileName, pbmfh) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
if (!bSuccess)
MessageBox ( hwnd, TEXT ("Cannot save DIB file"),
szAppName, 0) ;
return 0 ;
}
break ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
if (pbmfh)
SetDIBitsToDevice (hdc,
0, // xDst
0, // yDst
cxDib, // cxSrc
cyDib, // cySrc
0, // xSrc
0, // ySrc
0, // first scan line
cyDib, // number of scan lines
pBits,
pbmi,
DIB_RGB_COLORS) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (pbmfh)
free (pbmfh) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
DIBFILE.H /*------------------------------------------------------------------------- DIBFILE.H -- Header File for DIBFILE.C -----------------------------------------------------------------------*/ void DibFileInitialize (HWND hwnd) ; BOOL DibFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ; BOOL DibFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ; BITMAPFILEHEADER * DibLoadImage (PTSTR pstrFileName) ; BOOL DibSaveImage(PTSTR pstrFileName, BITMAPFILEHEADER *) ;
DIBFILE.C
/*---------------------------------------------------------------------------
DIBFILE.C -- DIB File Functions
----------------------------------------------------------------------------*/
#include <windows.h>
#include <commdlg.h>
#include "dibfile.h"
static OPENFILENAME ofn ;
void DibFileInitialize (HWND hwnd)
{
static TCHAR szFilter[] = TEXT ("Bitmap Files (*.BMP)\0*.bmp\0") \
TEXT ("All Files (*.*)\0*.*\0\0") ;
ofn.lStructSize = sizeof (OPENFILENAME) ;
ofn.hwndOwner = hwnd ;
ofn.hInstance = NULL ;
ofn.lpstrFilter = szFilter ;
ofn.lpstrCustomFilter = NULL ;
ofn.nMaxCustFilter = 0 ;
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = NULL ; // Set in Open and Close functions
ofn.nMaxFile = MAX_PATH ;
ofn.lpstrFileTitle = NULL ; // Set in Open and Close functions
ofn.nMaxFileTitle = MAX_PATH ;
ofn.lpstrInitialDir = NULL ;
ofn.lpstrTitle = NULL ;
ofn.Flags = 0 ; // Set in Open and Close functions
ofn.nFileOffset = 0 ;
ofn.nFileExtension = 0 ;
ofn.lpstrDefExt = TEXT ("bmp") ;
ofn.lCustData = 0 ;
ofn.lpfnHook = NULL ;
ofn.lpTemplateName = NULL ;
}
BOOL DibFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
{
ofn.hwndOwner = hwnd ;
ofn.lpstrFile = pstrFileName ;
ofn.lpstrFileTitle = pstrTitleName ;
ofn.Flags = 0 ;
return GetOpenFileName (&ofn) ;
}
BOOL DibFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName)
{
ofn.hwndOwner = hwnd ;
ofn.lpstrFile = pstrFileName ;
ofn.lpstrFileTitle = pstrTitleName ;
ofn.Flags = OFN_OVERWRITEPROMPT ;
return GetSaveFileName (&ofn) ;
}
BITMAPFILEHEADER * DibLoadImage (PTSTR pstrFileName)
{
BOOL bSuccess ;
DWORD dwFileSize, dwHighSize, dwBytesRead ;
HANDLE hFile ;
BITMAPFILEHEADER * pbmfh ;
hFile = CreateFile ( pstrFileName, GENERIC_READ, FILE_SHARE_READ,NULL,
OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN,NULL) ;
if ( hFile == INVALID_HANDLE_VALUE)
return NULL ;
dwFileSize = GetFileSize (hFile, &dwHighSize) ;
if (dwHighSize)
{
CloseHandle (hFile) ;
return NULL ;
}
pbmfh = malloc (dwFileSize) ;
if (!pbmfh)
{
CloseHandle (hFile) ;
return NULL ;
}
bSuccess = ReadFile (hFile, pbmfh, dwFileSize, &dwBytesRead, NULL) ;
CloseHandle (hFile) ;
if (!bSuccess || (dwBytesRead != dwFileSize)
|| (pbmfh->bfType != * (WORD *) "BM")
|| (pbmfh->bfSize != dwFileSize))
{
free (pbmfh) ;
return NULL ;
}
return pbmfh ;
}
BOOL DibSaveImage (PTSTR pstrFileName, BITMAPFILEHEADER * pbmfh)
{
BOOL bSuccess ;
DWORD dwBytesWritten ;
HANDLE hFile ;
hFile = CreateFile ( pstrFileName, GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL) ;
if (hFile == INVALID_HANDLE_VALUE)
return FALSE ;
bSuccess = WriteFile (hFile, pbmfh, pbmfh->bfSize, &dwBytesWritten, NULL) ;
CloseHandle (hFile) ;
if (!bSuccess || (dwBytesWritten != pbmfh->bfSize))
{
DeleteFile (pstrFileName) ;
return FALSE ;
}
return TRUE ;
}
SHOWDIB1.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Menu
SHOWDIB1 MENU DISCARDABLE
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&Open...", IDM_FILE_OPEN
MENUITEM "&Save...", IDM_FILE_SAVE
END
END
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by ShowDib1.rc #define IDM_FILE_OPEN 40001 #define IDM_FILE_SAVE 40002
DIBFILE.C锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷File Open锟斤拷锟酵★拷File Save锟斤拷锟皆伙拷锟斤拷锟斤拷某锟绞斤拷锟斤拷约锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷锟斤拷锟斤拷拥锟斤拷BITMAPFILEHEADER锟结构锟斤拷锟斤拷锟诫单锟斤拷锟斤拷锟斤拷锟斤拷锟侥筹拷式锟斤拷锟斤拷式也锟结将锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷SHOWDIB1.C锟斤拷执锟叫★拷File Open锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟结，锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟结构锟斤拷图锟斤拷位元锟斤拷偏锟斤拷锟斤拷锟斤拷锟斤拷式也锟斤拷锟紻IB锟斤拷图锟截匡拷锟饺和高度★拷锟斤拷锟斤拷锟斤拷讯锟斤拷锟斤拷锟斤拷锟节撅拷态锟斤拷锟斤拷锟叫★拷锟节达拷锟斤拷WM_PAINT讯息锟斤拷锟斤拷锟节间，锟斤拷式通锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷示DIB锟斤拷
锟斤拷然锟斤拷SHOWDIB1锟斤拷缺锟斤拷一些锟斤拷锟杰★拷锟斤拷锟界，锟斤拷锟紻IB锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷说太锟斤拷锟斤拷没锟叫撅拷锟斤拷锟叫匡拷锟斤拷锟斤拷锟狡讹拷锟介看锟斤拷锟斤拷锟斤拷一锟铰碉拷末尾锟斤拷锟睫革拷锟斤拷些缺锟捷★拷
DIB锟侥颠碉拷锟斤拷锟斤拷
锟斤拷
锟斤拷锟角斤拷锟矫碉拷一锟斤拷锟斤拷要锟侥斤拷训锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷业系统锟斤拷应锟矫筹拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷要锟斤拷锟斤拷锟斤拷锟窖碉拷牵锟斤拷锟剿拷锟斤拷铡锟�
锟截碉拷OS/2 Presentation Manager锟斤拷锟斤拷锟铰讹拷锟较碉拷DIB图锟斤拷位元锟侥讹拷锟藉处锟斤拷锟斤拷锟斤拷锟侥讹拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷模锟斤拷锟轿狿M锟节碉拷锟轿猴拷锟斤拷锟斤拷系锟斤拷锟斤拷一锟斤拷锟节讹拷锟斤拷锟斤拷锟铰斤拷原锟姐。锟斤拷锟界：锟斤拷PM锟接达拷锟节ｏ拷锟节讹拷锟侥ｏ拷0,0锟斤拷原锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷锟铰角★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰古怪ｏ拷锟杰讹拷锟剿猴拷锟斤拷锟侥感撅拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷霉殴郑锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿伙拷锟窖э拷摇锟斤拷锟斤拷锟斤拷锟酵硷拷幕锟斤拷坪锟绞揭诧拷锟斤拷锟斤拷锟斤拷陆锟街革拷锟侥匡拷牡亍锟�
锟斤拷耍锟斤拷锟絆S/2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵贾革拷锟斤拷锟侥匡拷锟斤拷锟斤拷锟�(0,0)锟斤拷锟斤拷图锟今将达拷锟接达拷锟斤拷锟斤拷锟铰斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷图15-1锟斤拷示锟斤拷
锟斤拷
| 图15-1 锟斤拷OS/2锟斤拷锟皆ｏ拷0锟斤拷0锟斤拷为目锟侥碉拷锟斤拷示锟侥碉拷锟斤拷图 |
锟节癸拷锟斤拷锟侥伙拷锟斤拷锟较ｏ拷锟斤拷锟斤拷实锟绞匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰讹拷锟较伙拷锟狡碉拷锟斤拷图锟斤拷
锟斤拷锟斤拷OS/2锟斤拷锟斤拷系统锟皆得很古怪ｏ拷锟斤拷锟斤拷锟斤拷锟脚碉拷锟角高度碉拷一锟铰★拷锟斤拷锟斤拷图锟斤拷 (0,0)原锟斤拷锟角碉拷锟斤拷图锟斤拷锟斤拷锟叫碉拷一锟叫的碉拷一锟斤拷图锟截ｏ拷锟斤拷锟揭达拷图锟截憋拷映锟戒到锟节碉拷锟斤拷图锟斤拷锟狡猴拷式锟斤拷指锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷锟较★拷
Windows锟斤拷锟节碉拷锟斤拷锟斤拷锟角诧拷锟杰憋拷锟斤拷锟节诧拷锟斤拷一锟斤拷锟皆★拷锟斤拷锟斤拷只要锟斤拷示锟斤拷锟斤拷DIB图锟斤拷锟叫碉拷一小锟斤拷锟斤拷锟绞憋拷锟斤拷锟揭癸拷貌锟斤拷锟絰Src锟斤拷ySrc锟斤拷cxSrc锟斤拷cySrc锟斤拷锟斤拷些锟斤拷源锟斤拷锟斤拷痛锟叫★拷锟紻IB锟斤拷锟较的碉拷一锟叫ｏ拷图锟斤拷锟斤拷锟斤拷锟揭伙拷校锟斤拷锟截★拷锟解方锟斤拷锟斤拷OS/2锟斤拷锟狡ｏ拷锟斤拷OS/2锟斤拷同锟斤拷锟角ｏ拷Windows锟斤拷目锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示图锟斤拷亩锟斤拷小锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟紻IB图锟斤拷锟斤拷示锟节ｏ拷xDst,yDst锟斤拷锟斤拷图锟斤拷锟斤拷位锟斤拷锟斤拷辏�0,cyDib - 1锟斤拷锟斤拷锟斤拷图锟截★拷DIB锟斤拷锟较碉拷锟斤拷锟斤拷一锟叫撅拷锟斤拷图锟轿的讹拷锟叫★拷锟斤拷锟斤拷锟斤拷锟绞就硷拷锟斤拷一锟斤拷锟街ｏ拷锟斤拷锟节ｏ拷xDst,yDst锟斤拷锟斤拷示锟斤拷图锟斤拷锟斤拷位锟斤拷锟斤拷辏▁Src, ySrc + cySrc - 1锟斤拷锟斤拷锟斤拷DIB图锟截★拷
图15-2锟斤拷示锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解方锟斤拷锟斤拷锟斤拷荨锟斤拷锟斤拷锟斤拷园锟斤拷锟斤拷锟斤拷锟绞撅拷锟紻IB锟斤拷锟斤拷锟角达拷锟斤拷锟节硷拷锟斤拷锟斤拷锟叫的ｏ拷锟斤拷锟斤拷说锟斤拷锟斤拷锟铰颠碉拷锟斤拷锟斤拷锟斤拷锟皆拷锟斤拷锟紻IB图锟斤拷锟斤拷锟较的碉拷一锟斤拷位元锟斤拷一锟铰的★拷SetDIBitsToDevice锟斤拷xSrc锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟轿拷锟阶硷拷锟斤拷锟斤拷锟絚xSrc锟斤拷xSrc锟揭边碉拷图锟斤拷锟斤拷龋锟斤拷锟斤拷直锟桔★拷ySrc锟斤拷锟斤拷锟斤拷DIB锟斤拷锟较碉拷锟斤拷锟叫ｏ拷也锟斤拷锟斤拷图锟斤拷牡撞锟斤拷锟轿拷锟阶硷拷锟斤拷锟斤拷锟絚ySrc锟角达拷ySrc锟斤拷锟斤拷锟较碉拷末锟叫ｏ拷图锟斤拷亩锟斤拷耍锟斤拷锟酵硷拷锟竭度★拷
锟斤拷
| 图15-2 锟斤拷锟斤拷DIB锟斤拷锟斤拷锟铰讹拷锟较ｏ拷锟斤拷锟斤拷锟斤拷 |
锟斤拷锟侥匡拷锟阶帮拷锟斤拷锟斤拷菥锟斤拷锟绞癸拷锟組M_TEXT映锟戒方式锟斤拷锟节讹拷图锟斤拷锟斤拷锟疥，锟斤拷源锟斤拷锟轿猴拷目锟侥撅拷锟轿斤拷锟斤拷锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟绞撅拷诒锟�15-3锟叫★拷
| 锟斤拷15-3 |
| 锟斤拷源锟斤拷锟斤拷 | 目锟侥撅拷锟斤拷 |
|---|---|
| (xSrc, ySrc) | (xDst, yDst + cySrc - 1) |
| (xSrc + cxSrc - 1, ySrc) | (xDst + cxSrc - 1, yDst + cySrc - 1) |
| (xSrc, ySrc + cySrc - 1) | (xDst, yDst) |
| (xSrc + cxSrc - 1, ySrc + cySrc - 1) | (xDst + cxSrc - 1, yDst) |
(xSrc,ySrc)锟斤拷映锟戒到(xDst,yDst)锟斤拷使锟矫憋拷锟斤拷锟皆得很伙拷锟揭★拷锟斤拷锟斤拷锟斤拷映锟戒方式锟叫ｏ拷锟斤拷(xSrc,ySrc + cySrc - 1)锟斤拷锟斤拷映锟戒到锟竭硷拷锟斤拷(xDst,yDst)锟斤拷图锟斤拷也锟斤拷MM_TEXT锟斤拷锟斤拷示锟斤拷一锟斤拷锟斤拷
锟斤拷目前为止锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿碉拷BITMAPINFOHEADER锟结构锟斤拷biHeight锟斤拷位锟斤拷锟斤拷值时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷biHeight锟斤拷位锟角革拷值锟斤拷锟斤拷DIB锟斤拷锟较伙拷锟皆猴拷锟斤拷锟斤拷锟斤拷锟较讹拷锟铰的凤拷式锟斤拷锟叫★拷锟斤拷锟斤拷锟杰伙拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷猓拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷痛锟斤拷恕锟�
锟斤拷锟斤拷锟皆地ｏ拷锟斤拷锟剿伙拷锟斤拷为锟斤拷锟斤拷锟紻IB锟斤拷锟铰碉拷锟矫ｏ拷锟斤拷转每一锟叫ｏ拷然锟斤拷锟絙iHeight锟借定一锟斤拷锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰讹拷锟较碉拷DIB一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷氐锟斤拷执锟斤拷式锟斤拷筒锟斤拷锟斤拷薷摹锟斤拷锟斤拷锟轿拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟侥匡拷模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟绞碉拷锟斤拷锟绞斤拷锟揭拷薷锟斤拷源锟斤拷锟斤拷锟斤拷隙锟斤拷碌锟紻IB锟斤拷锟斤拷锟斤拷锟酵诧拷锟斤拷使锟斤拷一锟斤拷锟斤拷锟竭度★拷
锟斤拷锟揭ｏ拷锟剿撅拷锟斤拷锟侥斤拷锟斤拷锟轿讹拷锟斤拷锟斤拷隙锟斤拷碌锟紻IB锟斤拷锟斤拷源锟斤拷锟斤拷锟斤拷DIB锟斤拷锟较碉拷锟斤拷锟斤拷一锟斤拷锟斤拷一锟斤拷原锟姐，锟斤拷也锟斤拷图锟斤拷牡锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷同锟斤拷位锟�(0,0)原锟斤拷锟紻IB图锟截诧拷锟斤拷锟斤拷pBits指锟斤拷锟斤拷锟矫的碉拷一锟斤拷图锟截ｏ拷也锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷图锟截ｏ拷锟斤拷位锟斤拷锟斤拷锟街拷洹�
图15-3锟斤拷示锟斤拷图锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟较讹拷锟铰碉拷DIB锟斤拷指锟斤拷锟斤拷锟轿的凤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷械锟斤拷锟斤拷印锟�
锟斤拷
| 图15-3 指锟斤拷锟斤拷锟较讹拷锟铰碉拷DIB锟斤拷锟斤拷锟斤拷 |
锟斤拷锟斤拷锟斤拷危锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟脚碉拷锟斤拷SetDIBitsToDevice锟斤拷式锟侥诧拷锟斤拷锟斤拷DIB锟斤拷锟较的凤拷锟斤拷锟睫关★拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟酵煌硷拷锟斤拷锟斤拷锟斤拷DIB锟斤拷一锟斤拷锟斤拷锟铰讹拷锟较ｏ拷锟斤拷一锟斤拷锟斤拷锟较讹拷锟铰★拷锟斤拷示锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟节碉拷锟斤拷顺锟斤拷锟洁反锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷同锟侥诧拷锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷选锟斤拷锟斤拷示图锟斤拷锟斤拷锟酵拷锟斤拷帧锟�
锟斤拷锟绞�15-3 APOLLO11锟斤拷锟斤拷示锟斤拷
锟斤拷式15-3 APOLLO11
APOLLO11.C
/*-------------------------------------------------------------------------
APOLLO11.C -- Program for screen captures
(c) Charles Petzold, 1998
----------------------------------------------------------------------*/
#include <windows.h>
#include "dibfile.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("Apollo11") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLAS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("Apollo 11"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static BITMAPFILEHEADER * pbmfh [2] ;
static BITMAPINFO * pbmi [2] ;
static BYTE * pBits [2] ;
static int cxClient, cyClient, cxDib[2], cyDib[2] ;
HDC hdc ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
pbmfh[0] = DibLoadImage (TEXT ("Apollo11.bmp")) ;
pbmfh[1] = DibLoadImage (TEXT ("ApolloTD.bmp")) ;
if (pbmfh[0] == NULL || pbmfh[1] == NULL)
{
MessageBox (hwnd, TEXT ("Cannot load DIB file"),
szAppName, 0) ;
return 0 ;
}
// Get pointers to the info structure & the bits
pbmi [0] = (BITMAPINFO *) (pbmfh[0] + 1) ;
pbmi [1] = (BITMAPINFO *) (pbmfh[1] + 1) ;
pBits [0] = (BYTE *) pbmfh[0] + pbmfh[0]->bfOffBits ;
pBits [1] = (BYTE *) pbmfh[1] + pbmfh[1]->bfOffBits ;
// Get the DIB width and height (assume BITMAPINFOHEADER)
// Note that cyDib is the absolute value of the header value!!!
cxDib [0] = pbmi[0]->bmiHeader.biWidth ;
cxDib [1] = pbmi[1]->bmiHeader.biWidth ;
cyDib [0] = abs (pbmi[0]->bmiHeader.biHeight) ;
cyDib [1] = abs (pbmi[1]->bmiHeader.biHeight) ;
return 0 ;
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
// Bottom-up DIB full size
SetDIBitsToDevice (hdc,
0, // xDst
cyClient / 4, // yDst
cxDib[0], // cxSrc
cyDib[0], // cySrc
0, // xSrc
0, // ySrc
0, // first scan line
cyDib[0], // number of scan lines
pBits[0],
pbmi[0],
DIB_RGB_COLORS) ;
// Bottom-up DIB partial
SetDIBitsToDevice (hdc,
240, // xDst
cyClient / 4, // yDst
80, // cxSrc
166, // cySrc
80, // xSrc
60, // ySrc
0, // first scan line
cyDib[0], // number of scan lines
pBits[0],
pbmi[0],
DIB_RGB_COLORS) ;
// Top-down DIB full size
SetDIBitsToDevice (hdc,
340, // xDst
cyClient / 4, // yDst
cxDib[0], // cxSrc
cyDib[0], // cySrc
0, // xSrc
0, // ySrc
0, // first scan line
cyDib[0], // number of scan lines
pBits[0],
pbmi[0],
DIB_RGB_COLORS) ;
// Top-down DIB partial
SetDIBitsToDevice (hdc,
580, // xDst
cyClient / 4, // yDst
80, // cxSrc
166, // cySrc
80, // xSrc
60, // ySrc
0, // first scan line
cyDib[1], // number of scan lines
pBits[1],
pbmi[1],
DIB_RGB_COLORS) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (pbmfh[0])
free (pbmfh[0]) ;
if (pbmfh[1])
free (pbmfh[1]) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷为APOLLO11.BMP锟斤拷锟斤拷锟铰讹拷锟较版本锟斤拷锟斤拷APOLLOTD.BMP锟斤拷锟斤拷锟较讹拷锟铰版本锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟角讹拷锟斤拷220图锟截匡拷锟斤拷240图锟截高★拷注锟解，锟节筹拷式锟接憋拷头锟斤拷讯锟结构锟斤拷确锟斤拷DIB锟侥匡拷锟饺和高讹拷时锟斤拷锟斤拷使锟斤拷abs锟斤拷式锟矫碉拷biHeight锟斤拷位锟侥撅拷锟斤拷值锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷小锟斤拷围锟斤拷示DIB时锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷图锟斤拷锟斤拷锟洁，xSrc锟斤拷ySrc锟斤拷cxSrc锟斤拷cySrc锟斤拷锟疥都锟斤拷锟斤拷同锟侥★拷锟斤拷锟斤拷锟酵�15-4锟斤拷示锟斤拷
锟斤拷
| 图15-4 APOLLO11锟斤拷萤幕锟斤拷示 |
注锟解，锟斤拷锟斤拷一锟斤拷扫锟斤拷锟竭★拷锟酵★拷扫锟斤拷锟斤拷锟斤拷目锟斤拷锟斤拷锟斤拷锟斤拷锟街诧拷锟戒，锟揭斤拷锟斤拷锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷pBits锟斤拷锟斤拷也锟斤拷锟戒，锟斤拷要只为锟斤拷使锟斤拷指锟斤拷锟斤拷锟斤拷要锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟絧Bits锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷匣锟斤拷锟斤拷锟矫达拷锟绞憋拷洌拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟叫╋拷锟酵硷拷锟紸PI锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牟锟斤拷锟斤拷锟叫拷锟絎indows锟斤拷式写锟斤拷锟斤拷锟窖匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟剿伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷捅锟斤拷锟斤拷锟剿★拷
锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Windows锟侥硷拷锟叫碉拷某些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絊etDIBitsToDevice锟斤拷锟侥硷拷说锟斤拷锟斤拷锟斤拷锟铰讹拷锟斤拷DIB锟斤拷原锟斤拷锟角碉拷锟斤拷图锟斤拷锟斤拷锟铰角ｏ拷锟斤拷锟较讹拷锟斤拷DIB锟斤拷原锟斤拷锟斤拷锟斤拷锟较角★拷锟斤拷锟解不锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷锟角达拷锟斤拷摹锟斤拷铱锟斤拷锟斤拷酶锟斤拷玫姆锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷露锟斤拷锟紻IB锟斤拷原锟斤拷锟角碉拷锟斤拷图图锟斤拷锟斤拷锟斤拷陆牵锟斤拷锟斤拷堑锟斤拷锟酵硷拷锟斤拷系牡锟揭伙拷械牡锟揭伙拷锟酵硷拷亍锟斤拷锟斤拷隙锟斤拷锟紻IB锟斤拷原锟斤拷也锟角碉拷锟斤拷图图锟斤拷锟斤拷锟斤拷陆牵锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰ｏ拷锟斤拷锟铰斤拷锟角碉拷锟斤拷图锟斤拷锟较碉拷锟斤拷锟斤拷一锟叫的碉拷一锟斤拷图锟截★拷
锟斤拷锟揭达拷锟饺IB锟斤拷锟斤拷位元锟侥猴拷式锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷恪ｏ拷锟接︼拷锟斤拷锟斤拷锟轿拷锟绞撅拷锟斤拷锟紻IB映锟斤拷锟街革拷锟斤拷锟斤拷锟斤拷锟揭伙拷拢锟斤拷业慕锟斤拷锟斤拷锟斤拷锟角ｏ拷锟揭斤拷锟节碉拷十锟斤拷锟铰碉拷DIB锟斤拷式锟斤拷锟斤拷使锟矫ｏ拷锟斤拷统一锟斤拷锟街凤拷锟轿匡拷DIB图锟截猴拷锟斤拷锟疥，锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷确锟斤拷示时锟斤拷0,0锟斤拷原锟斤拷锟斤拷指锟斤拷锟斤拷DIB图锟斤拷锟叫碉拷锟斤拷锟斤拷叩锟酵硷拷锟揭伙拷锟斤拷锟�
循锟斤拷锟斤拷示
锟斤拷
拥锟叫达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷式锟斤拷锟斤拷锟阶碉拷执锟叫★拷要锟斤拷示锟斤拷片锟斤拷锟斤拷锟节碉拷DIB锟斤拷锟斤拷锟皆凤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷澹伙拷锟斤拷锟绞撅拷锟斤拷锟�
然锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟节诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞綝IB锟斤拷锟斤拷使锟斤拷锟姐够锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷峁╋拷锟紻IB锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟绞筗indows锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较低筹拷鸭锟斤拷锟斤拷锟斤拷斜锟斤拷锟斤拷锟较和筹拷式锟斤拷锟狡碉拷锟斤拷片锟较★拷锟斤拷锟紻IB锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷蛹锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵非筹拷锟斤拷锟结。
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟解：锟斤拷锟斤拷DIB位锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷俅锟斤拷锟矫斤拷锟斤拷希锟斤拷锟斤拷锟斤拷锟斤拷莼锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷扫锟斤拷锟斤拷锟斤拷锟斤拷频锟斤拷取锟斤拷式取锟斤拷图锟斤拷锟斤拷锟较碉拷转锟斤拷锟斤拷式锟斤拷锟斤拷锟角凤拷玫鹊锟斤拷锟斤拷锟紻IB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟角从达拷片锟斤拷缁帮拷呋锟缴拷锟斤拷锟斤拷系玫锟紻IB时锟斤拷锟酵匡拷始锟斤拷示锟斤拷锟斤拷
锟斤拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟絊etDIBitsToDevice锟斤拷式锟斤拷yScan锟斤拷cyScans锟斤拷锟斤拷锟斤拷目锟侥★拷要使锟斤拷锟斤拷锟斤拷锟斤拷埽锟斤拷锟揭拷锟轿猴拷锟斤拷SetDIBitsToDevice锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷同锟斤拷锟侥诧拷锟斤拷锟斤拷然锟斤拷锟斤拷锟矫匡拷魏锟斤拷校锟絧Bits锟斤拷锟斤拷指锟斤拷锟斤拷锟酵纪硷拷锟斤拷锟斤拷锟斤拷锟斤拷械牟锟酵拷锟斤拷帧锟統Scans锟斤拷锟斤拷指锟斤拷锟斤拷pBits指锟斤拷图锟斤拷锟斤拷锟较碉拷锟叫ｏ拷cyScans锟斤拷锟斤拷锟角憋拷pBits锟斤拷锟矫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷丶锟斤拷锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷锟紻IB锟斤拷锟斤拷讯锟斤拷锟街ｏ拷BITMAPINFOHEADER锟结构锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟姐够锟侥硷拷锟斤拷锟藉。
锟斤拷锟界，锟斤拷锟斤拷DIB锟斤拷23锟斤拷图锟截ｏ拷锟斤拷希锟斤拷每锟斤拷锟斤拷锟�5锟叫的分讹拷锟斤拷示锟斤拷锟紻IB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟缴憋拷锟斤拷pInfo锟斤拷锟矫的硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻IB锟斤拷BITMAPINFO锟斤拷锟街ｏ拷然锟斤拷拥锟斤拷锟斤拷卸锟饺★拷锟紻IB锟斤拷锟节硷拷锟斤拷锟剿结构锟斤拷锟斤拷位锟结，锟杰癸拷锟斤拷锟斤拷锟揭伙拷械锟轿辉拷槌わ拷取锟斤拷锟斤拷锟�5锟斤拷锟斤拷锟矫该达拷小锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷椋╬Bits锟斤拷锟斤拷锟斤拷锟节讹拷取前5锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫的猴拷式锟斤拷锟斤拷yScan锟借定为0锟斤拷锟斤拷cyScans锟借定为5锟斤拷锟斤拷锟节从碉拷锟斤拷锟叫讹拷取锟斤拷5锟叫ｏ拷锟斤拷一锟轿斤拷yScan锟借定为5锟斤拷锟斤拷锟斤拷锟斤拷yScan锟借定为10锟斤拷然锟斤拷为15锟斤拷锟斤拷锟结，锟斤拷锟斤拷锟斤拷3锟叫讹拷锟斤拷pBits指锟斤拷募锟斤拷锟斤拷锟介，锟斤拷锟斤拷yScan锟借定为20锟斤拷锟斤拷cyScans锟借定为3锟斤拷锟皆猴拷锟斤拷SetDIBitsToDevice锟斤拷
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟矫碉拷讯息锟斤拷锟斤拷锟饺ｏ拷使锟斤拷SetDIBitsToDevice锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷式锟斤拷锟斤拷锟斤拷取锟矫猴拷锟斤拷锟斤拷锟斤拷示元锟斤拷之锟斤拷锟较碉拷锟洁当锟斤拷锟杰★拷锟斤拷通锟斤拷锟角诧拷锟斤拷锟斤拷模锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷诨锟斤拷锟斤拷锟较猴拷锟斤拷示锟斤拷锟斤拷之锟斤拷锟叫伙拷锟斤拷锟斤拷锟饺ｏ拷锟斤拷锟斤拷锟接伙拷锟斤拷锟斤拷锟斤拷锟津；第讹拷锟斤拷SetDIBitsToDevice锟斤拷唯一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷艿牡锟斤拷锟酵硷拷锟绞撅拷锟绞斤拷锟絊tretchDIBits锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷埽锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷锟皆诧拷同图锟截达拷小锟斤拷示锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絊tretchDIBits锟斤拷危锟矫匡拷胃锟斤拷锟紹ITMAPINFOHEADER锟结构锟叫碉拷锟斤拷讯锟斤拷锟斤拷锟斤拷萤幕锟侥诧拷同锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟�
锟斤拷式15-4 SEQDISP展示锟斤拷锟斤拷锟斤拷锟斤拷艿锟绞癸拷梅锟斤拷锟斤拷锟�
锟斤拷式15-4 SEQDISP
SEQDISP.C
/*----------------------------------------------------------------------------
SEQDISP.C -- Sequential Display of DIBs
(c) Charles Petzold, 1998
-----------------------------------------------------------------------------*/
#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("SeqDisp") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HACCEL hAccel ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("DIB Sequential Display"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
hAccel = LoadAccelerators (hInstance, szAppName) ;
while (GetMessage (&msg, NULL, 0, 0))
{
if (!TranslateAccelerator (hwnd, hAccel, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static BITMAPINFO * pbmi ;
static BYTE * pBits ;
static int cxDib, cyDib, cBits ;
static OPENFILENAME ofn ;
static TCHAR szFileName [MAX_PATH], szTitleName [MAX_PATH] ;
static TCHAR szFilter[]= TEXT ("Bitmap Files (*.BMP)\0*.bmp\0")
TEXT ("All Files (*.*)\0*.*\0\0") ;
BITMAPFILEHEADER bmfh ;
BOOL bSuccess, bTopDown ;
DWORD dwBytesRead ;
HANDLE hFile ;
HDC hdc ;
HMENU hMenu ;
int iInfoSize, iBitsSize, iRowLength, y ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
ofn.lStructSize = sizeof (OPENFILENAME) ;
ofn.hwndOwner = hwnd ;
ofn.hInstance = NULL ;
ofn.lpstrFilter = szFilter ;
ofn.lpstrCustomFilter = NULL ;
ofn.nMaxCustFilter = 0 ;
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = szFileName ;
ofn.nMaxFile = MAX_PATH ;
ofn.lpstrFileTitle = szTitleName ;
ofn.nMaxFileTitle = MAX_PATH ;
ofn.lpstrInitialDir = NULL ;
ofn.lpstrTitle = NULL ;
ofn.Flags = 0 ;
ofn.nFileOffset = 0 ;
ofn.nFileExtension = 0 ;
ofn.lpstrDefExt = TEXT ("bmp") ;
ofn.lCustData = 0 ;
ofn.lpfnHook = NULL ;
ofn.lpTemplateName = NULL ;
return 0 ;
case WM_COMMAND:
hMenu = GetMenu (hwnd) ;
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
// Display File Open dialog
if (!GetOpenFileName (&ofn))
return 0 ;
// Get rid of old DIB
if (pbmi)
{
free (pbmi) ;
pbmi = NULL ;
}
if (pBits)
{
free (pBits) ;
pBits = NULL ;
}
// Generate WM_PAINT message to erase background
InvalidateRect (hwnd, NULL, TRUE) ;
UpdateWindow (hwnd) ;
// Open the file
hFile = CreateFile (szFileName, GENERIC_READ,
FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_FLAG_SEQUENTIAL_SCAN, NULL) ;
if (hFile == INVALID_HANDLE_VALUE)
{
MessageBox ( hwnd, TEXT ("Cannot open file."),
szAppName, MB_ICONWARNING | MB_OK) ;
return 0 ;
}
// Read in the BITMAPFILEHEADER
bSuccess = ReadFile (hFile,&bmfh, sizeof (BITMAPFILEHEADER),
&dwBytesRead, NULL) ;
if (!bSuccess || dwBytesRead != sizeof (BITMAPFILEHEADER))
{
MessageBox (hwnd, TEXT ("Cannot read file."),
szAppName, MB_ICONWARNING | MB_OK) ;
CloseHandle (hFile) ;
return 0 ;
}
// Check that it's a bitmap
if (bmfh.bfType != * (WORD *) "BM")
{
MessageBox (hwnd, TEXT ("File is not a bitmap."),
szAppName, MB_ICONWARNING | MB_OK) ;
CloseHandle (hFile) ;
return 0 ;
}
// Allocate memory for header and bits
iInfoSize = bmfh.bfOffBits - sizeof (BITMAPFILEHEADER) ;
iBitsSize = bmfh.bfSize - bmfh.bfOffBits ;
pbmi = malloc (iInfoSize) ;
pBits = malloc (iBitsSize) ;
if (pbmi == NULL || pBits == NULL)
{
MessageBox (hwnd, TEXT ("Cannot allocate memory."),
szAppName, MB_ICONWARNING | MB_OK) ;
if (pbmi)
free (pbmi) ;
if (pBits)
free (pBits) ;
CloseHandle (hFile) ;
return 0 ;
}
// Read in the Information Header
bSuccess = ReadFile (hFile, pbmi, iInfoSize, &dwBytesRead, NULL) ;
if (!bSuccess || (int) dwBytesRead != iInfoSize)
{
MessageBox (hwnd, TEXT ("Cannot read file."),
szAppName, MB_ICONWARNING | MB_OK) ;
if (pbmi)
free (pbmi) ;
if (pBits)
free (pBits) ;
CloseHandle (hFile) ;
return 0 ;
}
// Get the DIB width and height
bTopDown = FALSE ;
if (pbmi->bmiHeader.biSize == sizeof (BITMAPCOREHEADER))
{
cxDib = ((BITMAPCOREHEADER *) pbmi)->bcWidth ;
cyDib = ((BITMAPCOREHEADER *) pbmi)->bcHeight ;
cBits = ((BITMAPCOREHEADER *) pbmi)->bcBitCount ;
}
else
{
if (pbmi->bmiHeader.biHeight < 0)
bTopDown = TRUE ;
cxDib = pbmi->bmiHeader.biWidth ;
cyDib = abs (pbmi->bmiHeader.biHeight) ;
cBits = pbmi->bmiHeader.biBitCount ;
if (pbmi->bmiHeader.biCompression != BI_RGB &&
pbmi->bmiHeader.biCompression != BI_BITFIELDS)
{
MessageBox (hwnd, TEXT ("File is compressed."),
szAppName, MB_ICONWARNING | MB_OK) ;
if (pbmi)
free (pbmi) ;
if (pBits)
free (pBits) ;
CloseHandle (hFile) ;
return 0 ;
}
}
// Get the row length
iRowLength = ((cxDib * cBits + 31) & ~31) >> 3 ;
// Read and display
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
hdc = GetDC (hwnd) ;
for (y = 0 ; y < cyDib ; y++)
{
ReadFile (hFile, pBits + y * iRowLength,iRowLength,&dwBytesRead, NULL) ;
SetDIBitsToDevice (hdc,
0, // xDst
0, // yDst
cxDib, // cxSrc
cyDib, // cySrc
0, // xSrc
0, // ySrc
bTopDown ? cyDib - y - 1 : y,
// first scan line
1, // number of scan lines
pBits + y * iRowLength,
pbmi,
DIB_RGB_COLORS) ;
}
ReleaseDC (hwnd, hdc) ;
CloseHandle (hFile) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
return 0 ;
}
break ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
if (pbmi && pBits)
SetDIBitsToDevice (hdc,
0, // xDst
0, // yDst
cxDib, // cxSrc
cyDib, // cySrc
0, // xSrc
0, // ySrc
0, // first scan line
cyDib, // number of scan lines
pBits,
DIB_RGB_COLORS) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (pbmi)
free (pbmi) ;
if (pBits)
free (pBits) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
SEQDISP.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Accelerator
SEQDISP ACCELERATORS DISCARDABLE
BEGIN
"O", IDM_FILE_OPEN, VIRTKEY, CONTROL, NOINVERT
END
/////////////////////////////////////////////////////////////////////////////
// Menu
SEQDISP MENU DISCARDABLE
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&Open...\tCtrl+O", IDM_FILE_OPEN
END
END
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by SeqDisp.rc #define IDM_FILE_OPEN 40001
锟节达拷锟斤拷锟斤拷File Open锟斤拷锟斤拷锟杰憋拷锟斤拷锟斤拷锟节间，锟斤拷SEQDISP.C锟节碉拷锟斤拷锟叫碉拷锟斤拷I/O锟斤拷锟结发锟斤拷锟斤拷锟节达拷锟斤拷WM_COMMAND锟斤拷锟斤拷锟结，锟斤拷式锟斤拷锟斤拷锟饺★拷锟斤拷锟酵硷拷夭锟斤拷锟絊etDIBitsToDevice锟斤拷示锟斤拷锟斤拷图锟截的伙拷圈锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟节硷拷锟斤拷锟斤拷锟斤拷锟皆憋拷锟节达拷锟斤拷WM_PAINT锟节硷拷也锟斤拷锟斤拷示锟斤拷锟斤拷
锟斤拷锟脚碉拷锟斤拷锟绞尺达拷
锟斤拷
SetDIBitsToDevice锟斤拷锟斤拷私锟紻IB锟斤拷图锟截对碉拷锟斤拷锟斤拷锟斤拷锟斤拷璞革拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟接IB锟矫达拷锟斤拷锟斤拷印锟斤拷锟斤拷锟侥斤拷锟斤拷锟斤拷越锟竭ｏ拷锟矫碉拷锟斤拷图锟斤拷锟皆叫★拷锟斤拷锟斤拷锟斤拷栈锟矫碉拷锟斤拷锟斤拷票锟斤拷小锟斤拷图锟斤拷
要通锟斤拷锟斤拷小锟斤拷糯锟紻IB锟斤拷锟斤拷锟斤拷锟斤拷璞革拷锟斤拷锟斤拷囟锟斤拷拇锟叫★拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟絊tretchDIBits锟斤拷
iLines = StretchDIBits (
hdc, // device context handle
xDst, // x destination coordinate
yDst, // y destination coordinate
cxDst, // destination rectangle width
cyDst, // destination rectangle height
xSrc, // x source coordinate
ySrc, // y source coordinate
cxSrc, // source rectangle width
cySrc, // source rectangle height
pBits, // pointer to DIB pixel bits
pInfo, // pointer to DIB information
fClrUse, // color use flag
dwRop) ; // raster operation
锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟芥，锟斤拷锟斤拷SetDIBitsToDevice锟斤拷同锟斤拷
- 目锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呒锟斤拷锟斤拷锟�(cxDst)锟酵高讹拷(cyDst)锟斤拷锟皆硷拷锟斤拷始锟姐。
锟斤拷 - 锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷示DIB锟斤拷锟斤拷锟劫硷拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷 -
锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷位元映锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟街革拷锟斤拷锟紻IB图锟斤拷锟斤拷锟斤拷锟斤拷璞竿硷拷亟锟较的凤拷式锟斤拷锟斤拷锟斤拷锟斤拷一锟铰斤拷学锟斤拷锟斤拷些锟斤拷锟捷★拷锟斤拷锟斤拷锟斤拷锟斤拷为锟剿诧拷锟斤拷锟借定为SRCCOPY锟斤拷
锟斤拷
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷细微锟侥诧拷锟斤拷锟斤拷锟介看SetDIBitsToDevice锟斤拷锟斤拷锟芥，锟斤拷锟结发锟斤拷cxSrc锟斤拷cySrc锟斤拷DWORD锟斤拷锟斤拷锟斤拷32位元锟斤拷锟斤拷锟斤拷锟脚筹拷锟斤拷锟斤拷锟斤拷态锟斤拷锟斤拷StretchDIBits锟叫ｏ拷cxSrc锟斤拷cySrc锟斤拷锟皆硷拷cxDst锟斤拷cyDst锟斤拷锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟脚碉拷锟斤拷锟斤拷锟斤拷态锟斤拷锟斤拷锟斤拷味锟斤拷锟斤拷锟角匡拷锟斤拷为锟斤拷锟斤拷锟斤拷实锟斤拷锟较碉拷一锟铰就会看锟斤拷锟斤拷锟斤拷锟斤拷确实锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷丫锟斤拷锟绞硷拷锟斤拷锟角凤拷锟侥诧拷锟斤拷也锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟铰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷式锟叫ｏ拷xSrc锟斤拷ySrc锟斤拷锟斤拷锟斤拷为int锟斤拷锟斤拷锟斤拷锟角达拷锟侥ｏ拷锟斤拷些值始锟斤拷锟角非革拷锟斤拷锟斤拷
DIB锟节碉拷锟斤拷源锟斤拷锟轿憋拷映锟戒到目锟侥撅拷锟轿碉拷锟斤拷锟斤拷锟斤拷示锟斤拷锟�15-4锟斤拷示锟斤拷
| 锟斤拷15-4 |
| 锟斤拷源锟斤拷锟斤拷 | 目锟侥撅拷锟斤拷 |
|---|---|
| (xSrc, ySrc) | (xDst, yDst + cyDst - 1) |
| (xSrc + cxSrc - 1, ySrc) | (xDst + cxDst - 1, yDst + cyDst - 1) |
| (xSrc, ySrc + cySrc - 1) | (xDst, yDst) |
| (xSrc + cxSrc - 1, ySrc + cySrc - 1) | (xDst + cxDst - 1, yDst) |
锟斤拷锟斤拷锟叫碉拷-1锟斤拷锟角诧拷锟斤拷确锟侥ｏ拷锟斤拷为锟脚达拷某潭龋锟斤拷约锟接筹拷浞绞斤拷锟斤拷锟斤拷锟斤拷浠伙拷锟斤拷懿锟斤拷锟斤拷锟轿拷锟酵拷慕锟斤拷锟斤拷
锟斤拷锟界，锟斤拷锟斤拷一锟斤拷2锟斤拷2锟斤拷DIB锟斤拷锟斤拷锟斤拷StretchDIBits锟斤拷xSrc锟斤拷ySrc锟斤拷锟斤拷锟斤拷为0锟斤拷cxSrc锟斤拷cySrc锟斤拷为2锟斤拷锟劫讹拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷装锟斤拷锟斤拷锟捷撅拷锟斤拷MM_TEXT映锟戒方式锟斤拷锟揭诧拷锟斤拷锟叫变换锟斤拷锟斤拷锟絰Dst锟斤拷yDst锟斤拷为0锟斤拷cxDst锟斤拷cyDst锟斤拷为4锟斤拷锟斤拷么锟斤拷锟角斤拷锟皆憋拷锟斤拷2锟脚达拷DIB锟斤拷每锟斤拷锟斤拷源图锟截ｏ拷x,y锟斤拷锟斤拷映锟戒到锟斤拷锟斤拷锟斤拷示锟斤拷锟侥革拷目锟斤拷图锟斤拷锟较ｏ拷
(0,0) --> (0,2) and (1,2) and (0,3) and (1,3) (1,0) --> (2,2) and (3,2) and (2,3) and (3,3) (0,1) --> (0,0) and (1,0) and (0,1) and (1,1) (1,1) --> (2,0) and (3,0) and (2,1) and (3,1)
锟较憋拷锟斤拷确锟斤拷指锟斤拷锟斤拷目锟侥的角ｏ拷(0,3)锟斤拷(3,3)锟斤拷(0,0)锟斤拷(3,0)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷锟斤拷锟斤拷锟角革拷锟斤拷锟街碉拷锟�
目锟斤拷装锟斤拷锟斤拷锟捷碉拷映锟戒方式锟斤拷SetDIBitsToDevice锟斤拷影锟斤拷锟斤拷锟斤拷锟斤拷xDst锟斤拷yDst锟斤拷锟竭硷拷锟斤拷锟疥。StretchDIBits锟斤拷全锟斤拷映锟戒方式锟斤拷影锟届。锟斤拷锟界，锟斤拷锟斤拷锟斤拷瓒拷锟統值锟斤拷锟较碉拷锟斤拷锟斤拷一锟街讹拷锟斤拷映锟戒方式锟斤拷DIB锟酵伙拷叩锟斤拷锟绞撅拷锟�
锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷cyDst锟借定为锟斤拷锟斤拷锟斤拷锟街诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞碉拷锟斤拷希锟斤拷锟斤拷锟斤拷越锟斤拷魏尾锟斤拷锟斤拷目锟斤拷群透叨缺锟轿拷锟街碉拷锟剿斤拷锟街憋拷锟阶狣IB锟斤拷锟斤拷MM_TEXT映锟戒方式锟铰ｏ拷锟斤拷锟絚ySrc锟斤拷cyDst锟斤拷锟斤拷锟洁反锟斤拷DIB锟斤拷锟斤拷锟斤拷水平锟结翻转锟斤拷锟竭碉拷锟斤拷示锟斤拷锟斤拷锟絚xSrc锟斤拷cxDst锟斤拷锟斤拷锟洁反锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷直锟结翻转锟斤拷锟斤拷示锟斤拷锟侥撅拷锟斤拷图锟斤拷
锟斤拷锟斤拷锟斤拷锟杰斤拷锟斤拷些锟斤拷锟捷碉拷锟斤拷锟斤拷式锟斤拷xMM锟斤拷yMM指锟斤拷映锟戒方式锟侥凤拷锟斤拷锟斤拷锟絰值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷xMM值为1锟斤拷锟斤拷锟絰值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值为-1锟斤拷同锟斤拷锟斤拷锟斤拷锟統值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷yMM值为1锟斤拷锟斤拷锟統值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值为-1锟斤拷Sign锟斤拷式锟斤拷锟斤拷锟街碉拷锟斤拷锟絋URE锟斤拷锟斤拷於革拷值锟斤拷锟斤拷FALSE锟斤拷
if (!Sign (xMM 锟斤拷 cxSrc 锟斤拷 cxDst))
DIB is flipped on its vertical axis (mirror image)
if (!Sign (yMM 锟斤拷 cySrc 锟斤拷 cyDst))
DIB is flipped on its horizontal axis (upside down)
锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷锟斤拷谋锟�15-4锟斤拷
锟斤拷式15-5 SHOWDIB锟斤拷实锟绞尺达拷锟斤拷示DIB锟斤拷锟脚达拷锟斤拷锟斤拷示锟斤拷锟斤拷锟接达拷锟侥达拷小锟斤拷锟斤拷印DIB锟皆硷拷锟斤拷DIB锟斤拷锟戒到锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷式15-5 SHOWDIB
SHOWDIB2.C
/*--------------------------------------------------------------------------
SHOWDIB2.C -- Shows a DIB in the client area
(c) Charles Petzold, 1998
---------------------------------------------------------------------------*/
#include <windows.h>
#include "dibfile.h"
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("ShowDib2") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HACCEL hAccel ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("Show DIB #2"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
hAccel = LoadAccelerators (hInstance, szAppName) ;
while (GetMessage (&msg, NULL, 0, 0))
{
if (!TranslateAccelerator (hwnd, hAccel, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return msg.wParam ;
}
int ShowDib (HDC hdc, BITMAPINFO * pbmi, BYTE * pBits, int cxDib, int cyDib,
int cxClient, int cyClient, WORD wShow)
{
switch (wShow)
{
case IDM_SHOW_NORMAL:
return SetDIBitsToDevice (hdc, 0, 0, cxDib, cyDib, 0, 0,
0, cyDib, pBits, pbmi, DIB_RGB_COLORS) ;
case IDM_SHOW_CENTER:
return SetDIBitsToDevice (hdc, (cxClient - cxDib) / 2,
(cyClient - cyDib) / 2,
cxDib, cyDib, 0, 0, 0, cyDib, pBits, pbmi, DIB_RGB_COLORS) ;
case IDM_SHOW_STRETCH:
SetStretchBltMode (hdc, COLORONCOLOR) ;
return StretchDIBits(hdc,0, 0, cxClient, cyClient, 0, 0, cxDib, cyDib,
pBits, pbmi, DIB_RGB_COLORS, SRCCOPY) ;
case IDM_SHOW_ISOSTRETCH:
SetStretchBltMode (hdc, COLORONCOLOR) ;
SetMapMode (hdc, MM_ISOTROPIC) ;
SetWindowExtEx (hdc, cxDib, cyDib, NULL) ;
SetViewportExtEx (hdc, cxClient, cyClient, NULL) ;
SetWindowOrgEx (hdc, cxDib / 2, cyDib / 2, NULL) ;
SetViewportOrgEx (hdc, cxClient / 2, cyClient / 2, NULL) ;
return StretchDIBits(hdc,0, 0, cxDib, cyDib, 0, 0, cxDib, cyDib,
pBits, pbmi, DIB_RGB_COLORS, SRCCOPY) ;
}
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static BITMAPFILEHEADER * pbmfh ;
static BITMAPINFO * pbmi ;
static BYTE * pBits ;
static DOCINFO di = {sizeof (DOCINFO),
TEXT ("ShowDib2: Printing") } ;
static int cxClient, cyClient, cxDib, cyDib ;
static PRINTDLG printdlg = { sizeof (PRINTDLG) } ;
static TCHAR szFileName [MAX_PATH], szTitleName [MAX_PATH] ;
static WORD wShow = IDM_SHOW_NORMAL ;
BOOL bSuccess ;
HDC hdc, hdcPrn ;
HGLOBAL hGlobal ;
HMENU hMenu ;
int cxPage, cyPage, iEnable ;
PAINTSTRUCT ps ;
BYTE * pGlobal ;
switch (message)
{
case WM_CREATE:
DibFileInitialize (hwnd) ;
return 0 ;
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
return 0 ;
case WM_INITMENUPOPUP:
hMenu = GetMenu (hwnd) ;
if (pbmfh)
iEnable = MF_ENABLED ;
else
iEnable = MF_GRAYED ;
EnableMenuItem (hMenu, IDM_FILE_SAVE, iEnable) ;
EnableMenuItem (hMenu, IDM_FILE_PRINT, iEnable) ;
EnableMenuItem (hMenu, IDM_EDIT_CUT, iEnable) ;
EnableMenuItem (hMenu, IDM_EDIT_COPY, iEnable) ;
EnableMenuItem (hMenu, IDM_EDIT_DELETE, iEnable) ;
return 0 ;
case WM_COMMAND:
hMenu = GetMenu (hwnd) ;
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
// Show the File Open dialog box
if (!DibFileOpenDlg (hwnd, szFileName, szTitleName))
return 0 ;
// If there's an existing DIB, free the memory
if (pbmfh)
{
free (pbmfh) ;
pbmfh = NULL ;
}
// Load the entire DIB into memory
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
pbmfh = DibLoadImage (szFileName) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
// Invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE) ;
if (pbmfh == NULL)
{
MessageBox ( hwnd, TEXT ("Cannot load DIB file"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
}
// Get pointers to the info structure & the bits
pbmi = (BITMAPINFO *) (pbmfh + 1) ;
pBits = (BYTE *) pbmfh + pbmfh->bfOffBits ;
// Get the DIB width and height
if (pbmi->bmiHeader.biSize == sizeof (BITMAPCOREHEADER))
{
cxDib = ((BITMAPCOREHEADER *) pbmi)->bcWidth ;
cyDib = ((BITMAPCOREHEADER *) pbmi)->bcHeight ;
}
else
{
cxDib = pbmi->bmiHeader.biWidth ;
cyDib = abs (pbmi->bmiHeader.biHeight) ;
}
return 0 ;
case IDM_FILE_SAVE:
// Show the File Save dialog box
if (!DibFileSaveDlg (hwnd, szFileName, szTitleName))
return 0 ;
// Save the DIB to a disk file
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
bSuccess = DibSaveImage (szFileName, pbmfh) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
if (!bSuccess)
MessageBox ( hwnd, TEXT ("Cannot save DIB file"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
case IDM_FILE_PRINT:
if (!pbmfh)
return 0 ;
// Get printer DC
printdlg.Flags = PD_RETURNDC | PD_NOPAGENUMS | PD_NOSELECTION ;
if (!PrintDlg (&printdlg))
return 0 ;
if (NULL == (hdcPrn = printdlg.hDC))
{
MessageBox ( hwnd, TEXT ("Cannot obtain Printer DC"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
}
// Check whether the printer can print bitmaps
if (!(RC_BITBLT & GetDeviceCaps (hdcPrn, RASTERCAPS)))
{
DeleteDC (hdcPrn) ;
MessageBox ( hwnd, TEXT ("Printer cannot print bitmaps"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
}
// Get size of printable area of page
cxPage = GetDeviceCaps (hdcPrn, HORZRES) ;
cyPage = GetDeviceCaps (hdcPrn, VERTRES) ;
bSuccess = FALSE ;
// Send the DIB to the printer
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
if ((StartDoc (hdcPrn, &di) > 0) && (StartPage (hdcPrn) > 0))
{
ShowDib ( hdcPrn, pbmi, pBits, cxDib, cyDib,
cxPage, cyPage, wShow) ;
if (EndPage (hdcPrn) > 0)
{
bSuccess = TRUE ;
EndDoc (hdcPrn) ;
}
}
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
DeleteDC (hdcPrn) ;
if (!bSuccess)
MessageBox (hwnd, TEXT ("Could not print bitmap"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
case IDM_EDIT_COPY:
case IDM_EDIT_CUT:
if (!pbmfh)
return 0 ;
// Make a copy of the packed DIB
hGlobal = GlobalAlloc (GHND | GMEM_SHARE, pbmfh->bfSize -
sizeof (BITMAPFILEHEADER)) ;
pGlobal = GlobalLock (hGlobal) ;
CopyMemory ( pGlobal, (BYTE *) pbmfh + sizeof (BITMAPFILEHEADER),
pbmfh->bfSize - sizeof (BITMAPFILEHEADER)) ;
GlobalUnlock (hGlobal) ;
// Transfer it to the clipboard
OpenClipboard (hwnd) ;
EmptyClipboard () ;
SetClipboardData (CF_DIB, hGlobal) ;
CloseClipboard () ;
if (LOWORD (wParam) == IDM_EDIT_COPY)
return 0 ;
// fall through if IDM_EDIT_CUT
case IDM_EDIT_DELETE:
if (pbmfh)
{
free (pbmfh) ;
pbmfh = NULL ;
InvalidateRect (hwnd, NULL, TRUE) ;
}
return 0 ;
case IDM_SHOW_NORMAL:
case IDM_SHOW_CENTER:
case IDM_SHOW_STRETCH:
case IDM_SHOW_ISOSTRETCH:
CheckMenuItem (hMenu, wShow, MF_UNCHECKED) ;
wShow = LOWORD (wParam) ;
CheckMenuItem (hMenu, wShow, MF_CHECKED) ;
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
}
break ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
if (pbmfh)
ShowDib ( hdc, pbmi, pBits, cxDib, cyDib,
cxClient, cyClient, wShow) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (pbmfh)
free (pbmfh) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by ShowDib2.rc #define IDM_FILE_OPEN 40001 #define IDM_SHOW_NORMAL 40002 #define IDM_SHOW_CENTER 40003 #define IDM_SHOW_STRETCH 40004 #define IDM_SHOW_ISOSTRETCH 40005 #define IDM_FILE_PRINT 40006 #define IDM_EDIT_COPY 40007 #define IDM_EDIT_CUT 40008 #define IDM_EDIT_DELETE 40009 #define IDM_FILE_SAVE 40010
锟斤拷锟斤拷思锟斤拷锟斤拷ShowDib锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷於癸拷锟杰憋拷选锟斤拷锟斤拷锟斤拷锟街诧拷同锟侥凤拷式之一锟节筹拷式锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷示DIB锟斤拷锟斤拷锟斤拷使锟斤拷SetDIBitsToDevice锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷辖腔锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示DIB锟斤拷锟斤拷式也锟斤拷锟斤拷锟斤拷使锟斤拷StretchDIBits锟斤拷选锟筋，DIB锟杰放达拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷诖锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰伙拷锟斤拷危锟斤拷锟斤拷锟斤拷艿缺锟斤拷锟斤拷锟绞撅拷锟揭诧拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟轿★拷
锟斤拷DIB锟斤拷锟狡碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟藉共锟矫硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷packed DIB锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷态为CF_DIB锟斤拷锟斤拷式没锟斤拷锟叫筹拷锟接硷拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟侥凤拷锟斤拷锟斤拷锟斤拷为锟节斤拷锟斤拷指锟斤拷packed DIB锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟洁步锟斤拷锟斤拷确锟斤拷图锟斤拷位元锟斤拷偏锟斤拷锟斤拷锟斤拷锟揭斤拷锟斤拷锟斤拷一锟铰碉拷末尾示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷注锟解到锟斤拷SHOWDIB2锟叫碉拷一些锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�256色锟斤拷示模式执锟斤拷Windows锟斤拷锟酵会看锟斤拷锟斤拷示锟斤拷锟剿碉拷色锟斤拷4位元DIB锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷纬锟斤拷值锟斤拷锟斤拷猓拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴拷锟斤拷锟饺★拷锟叫╋拷锟缴拷锟揭癸拷玫锟缴拷蹋锟斤拷锟斤拷锟揭伙拷禄锟斤拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟阶拷獾斤拷俣锟斤拷锟斤拷猓拷锟斤拷锟斤拷锟絎indows NT锟斤拷执锟斤拷SHOWDIB2时锟斤拷锟斤拷锟斤拷一锟斤拷packed DIB锟酵碉拷锟斤拷图时锟斤拷锟揭伙拷展示锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷也锟斤拷DIB锟斤拷示锟斤拷锟接撅拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷也锟斤拷锟斤拷实锟绞尺达拷榭达拷锟斤拷萤幕锟斤拷DIB锟斤拷
色锟斤拷转锟斤拷锟斤拷锟斤拷色锟教猴拷锟斤拷示效锟斤拷
锟斤拷
锟角碉拷锟节伙拷锟斤拷小锟斤拷锟斤拷锟斤拷锟絎illiam Goldman锟斤拷锟斤拷一锟斤拷锟斤拷影锟界本锟斤拷All the President's Men锟斤拷锟叫ｏ拷Deep Throat锟斤拷锟斤拷Bob Woodward锟揭匡拷水锟斤拷锟斤拷锟杰的关硷拷锟角★拷锟斤拷锟斤拷钱锟竭★拷锟斤拷锟斤拷么锟节碉拷锟斤拷图锟斤拷示锟叫伙拷酶呒锟斤拷锟斤拷艿墓丶锟斤拷锟斤拷恰锟斤拷锟斤拷锟酵硷拷锟轿辉拷摺锟斤拷约锟斤拷锟斤拷锟缴拷锟阶拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷锟紻IB锟斤拷装锟斤拷锟睫关的革拷式锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷锟藉几锟斤拷锟斤拷锟斤拷锟斤拷图锟截革拷式锟斤拷同锟斤拷锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷式锟斤拷锟斤拷锟节间，每锟斤拷图锟截ｏ拷锟斤拷锟斤拷锟叫硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷装锟斤拷锟睫关的革拷式转锟斤拷锟斤拷锟借备锟斤拷馗锟绞斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷锟阶拷锟斤拷呛芊锟斤拷锟斤拷摹锟斤拷锟斤拷纾拷锟�24位元锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷示24位元DIB锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷谢锟斤拷臁拷獭锟斤拷锟斤拷锟轿辉拷锟剿筹拷锟斤拷锟窖★拷锟斤拷24位元锟借备锟斤拷锟斤拷示16位元DIB锟斤拷锟斤拷要位元锟侥帮拷锟狡猴拷锟睫硷拷锟剿★拷锟斤拷24位元锟借备锟斤拷锟斤拷示4位元锟斤拷8位元DIB要锟斤拷锟斤拷DIB色锟绞讹拷锟秸憋拷锟节诧拷锟斤拷DIB图锟斤拷位元锟斤拷然锟斤拷锟轿辉拷锟斤拷锟斤拷锟斤拷锟斤拷小锟�
锟斤拷锟斤拷要锟斤拷4位元锟斤拷8位元锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷示16位元锟斤拷24位元锟斤拷32位元DIB时锟斤拷锟结发锟斤拷什么锟斤拷锟斤拷锟截ｏ拷一锟斤拷锟斤拷全锟斤拷一锟斤拷锟斤拷锟斤拷色转锟斤拷锟斤拷锟斤拷锟剿★拷锟斤拷锟紻IB锟节碉拷每锟斤拷图锟截ｏ拷装锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷图锟截猴拷锟斤拷示锟斤拷锟较匡拷锟矫碉拷锟斤拷色之锟戒「锟斤拷寻锟斤拷咏锟斤拷锟缴拷省锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷圈锟酵硷拷锟姐。锟斤拷GDI锟斤拷式GetNearestColor锟斤拷锟叫★拷锟斤拷咏锟缴拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷RGB色锟绞碉拷锟斤拷维锟斤拷锟叫匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟侥撅拷锟斤拷锟角ｏ拷
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷R1G1B1锟斤拷R2G2B2锟斤拷执锟斤拷锟斤拷咏锟缴拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟缴拷锟斤拷锟斤拷锟斤拷锟缴拷锟斤拷锟斤拷锟斤拷锟窖帮拷锟教撅拷锟诫。锟斤拷锟剿碉拷锟角ｏ拷锟斤拷RGB锟斤拷色锟斤拷锟斤拷锟斤拷锟叫★拷锟饺较★拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷平锟斤拷锟斤拷锟斤拷锟街★拷锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷每锟斤拷图锟截憋拷锟斤拷锟斤拷锟借备锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷冉锟斤拷苑锟斤拷锟斤拷锟接斤拷锟斤拷锟斤拷色锟斤拷锟斤拷锟角革拷锟斤拷锟斤拷锟斤拷锟洁当锟斤拷墓锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�8位元锟借备锟斤拷锟斤拷示8位元DIB也锟矫斤拷锟斤拷锟斤拷咏锟缴拷锟斤拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟斤拷囟锟矫匡拷锟酵硷拷囟锟斤拷锟斤拷校锟斤拷锟斤拷锟斤拷锟斤拷DIB色锟绞讹拷锟秸憋拷锟叫碉拷每锟斤拷锟斤拷色锟斤拷锟斤拷寻锟揭★拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆拷锟接︼拷帽锟斤拷锟绞癸拷锟絊etDIBitsToDevice锟斤拷StretchDIBits锟斤拷8位元锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷示16位元锟斤拷24位元锟斤拷32位元DIB锟斤拷DIB应转锟斤拷为8位元DIB锟斤拷锟斤拷锟斤拷8位元DDB锟斤拷锟斤拷锟斤拷酶锟斤拷玫锟斤拷锟绞拘э拷堋锟绞碉拷锟斤拷希锟斤拷锟斤拷锟斤拷跃锟斤拷山锟紻IB转锟斤拷为DDB锟斤拷使锟斤拷BitBlt锟斤拷StretchBlt锟斤拷示图锟斤拷锟斤拷锟接匡拷锟斤拷示锟轿猴拷DIB锟斤拷锟劫度★拷
锟斤拷锟斤拷锟�8位元锟斤拷讯锟斤拷示锟斤拷锟斤拷执锟斤拷Windows锟斤拷锟斤拷锟斤拷锟斤拷谢锟斤拷锟�8位元模式锟斤拷锟桔诧拷锟斤拷锟斤拷示True-ColorDIB时锟斤拷效锟杰变化锟斤拷锟斤拷锟斤拷锟斤拷锟杰伙拷注锟解到锟斤拷一锟斤拷锟斤拷锟解：DIB锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷示锟斤拷锟轿猴拷锟斤拷8位元锟斤拷讯锟斤拷示锟斤拷锟较碉拷DIB锟秸猴拷锟斤拷锟斤拷锟斤拷锟斤拷20锟斤拷锟斤拷色锟斤拷示锟斤拷锟斤拷位锟矫讹拷锟�20锟斤拷锟斤拷色锟角★拷锟斤拷色锟教癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解将锟斤拷锟斤拷一锟斤拷锟结到锟斤拷
锟斤拷锟结，锟斤拷锟斤拷锟酵惶拷锟斤拷锟斤拷锟街达拷锟絎indows 98锟斤拷Windows NT锟斤拷锟斤拷锟斤拷锟杰伙拷注锟解到锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟绞灸Ｊ斤拷锟絎indows NT锟斤拷示锟斤拷锟斤拷DIB锟斤拷锟窖碉拷时锟斤拷铣锟斤拷锟斤拷锟斤拷锟絎indows NT锟侥客伙拷/锟脚凤拷锟斤拷锟斤拷系锟结构锟侥斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷诖锟斤拷锟斤拷API锟斤拷式时锟侥费革拷锟斤拷时锟戒。锟斤拷锟斤拷锟斤拷锟斤拷墙锟紻IB转锟斤拷为DDB锟斤拷锟斤拷锟揭碉拷一锟铰斤拷谈锟斤拷锟斤拷CreateDIBSection锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷乇锟斤拷锟斤拷谩锟�
DIB锟斤拷DDB锟侥斤拷锟�
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷去锟斤拷锟斤拷DIB锟侥革拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷图锟斤拷式锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷锟斤拷锟斤拷锟斤拷直锟接达拷取DIB锟叫的革拷锟斤拷位元锟斤拷位元锟斤拷锟酵硷拷兀锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷越峁癸拷锟斤拷姆锟绞斤拷锟斤拷透锟斤拷锟斤拷锟斤拷系暮锟绞斤拷锟斤拷锟揭拷锟矫达拷锟斤拷锟紻IB锟斤拷没锟剿癸拷锟剿★拷
实锟斤拷锟较ｏ拷锟斤拷锟角凤拷锟街伙拷锟斤拷锟斤拷一些锟斤拷锟狡★拷锟斤拷锟斤拷一锟铰ｏ拷锟斤拷锟斤拷锟剿斤拷锟斤拷使锟斤拷GDI锟斤拷式锟斤拷DDB锟较伙拷锟斤拷图锟斤拷姆锟斤拷锟斤拷锟斤拷锟侥壳拔癸拷锟斤拷锟矫伙拷锟斤拷锟紻IB锟较伙拷图锟侥凤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits没锟斤拷BitBlt锟斤拷StretchBlt锟劫度快，锟斤拷锟斤拷锟斤拷Windows NT锟斤拷锟斤拷锟斤拷锟皆硷拷执锟斤拷锟斤拷锟斤拷锟斤拷咏锟斤拷锟缴拷锟窖帮拷锟斤拷锟斤拷纾拷锟�8位元锟斤拷频锟斤拷锟斤拷锟斤拷示24位元DIB锟斤拷时锟斤拷
锟斤拷耍锟斤拷锟紻IB锟斤拷DDB之锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷泻么锟斤拷摹锟斤拷锟斤拷纾拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷要锟斤拷萤幕锟斤拷锟斤拷示锟斤拷锟斤拷蔚锟紻IB锟斤拷锟斤拷么锟斤拷DIB转锟斤拷为DDB锟酵猴拷锟斤拷锟斤拷锟藉，锟斤拷锟斤拷锟斤拷锟角撅拷锟杰癸拷使锟矫匡拷锟劫碉拷BitBlt锟斤拷StretchBlt锟斤拷式锟斤拷锟斤拷示锟斤拷锟剿★拷
锟斤拷DIB锟斤拷锟斤拷DDB
锟斤拷
锟斤拷DIB锟叫斤拷锟斤拷GDI锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷穑炕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷丫锟街拷锟斤拷朔锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟杰癸拷使锟斤拷CreateCompatibleBitmap锟斤拷锟斤拷锟斤拷锟斤拷DIB锟斤拷小锟斤拷同锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟捷碉拷GDI锟斤拷锟斤拷图锟斤拷锟斤拷锟饺伙拷峤拷玫锟斤拷锟酵硷拷锟斤拷选锟斤拷锟斤拷锟斤拷锟阶帮拷锟斤拷锟斤拷莶锟斤拷锟斤拷锟絊etDIBitsToDevice锟斤拷锟角革拷锟斤拷锟斤拷锟斤拷DC锟较伙拷图锟斤拷锟斤拷锟斤拷锟斤拷锟紻DB锟斤拷锟斤拷锟斤拷DIB锟斤拷同锟斤拷图锟今，碉拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟捷碉拷锟斤拷色锟斤拷织锟斤拷
锟斤拷也锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷CreateDIBitmap锟矫硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锓ㄎ拷锟�
hBitmap = CreateDIBitmap (
hdc, // device context handle
pInfoHdr, // pointer to DIB information header
fInit, // 0 or CBM_INIT
pBits, // pointer to DIB pixel bits
pInfo, // pointer to DIB information
fClrUse) ; // color use flag
锟斤拷注锟斤拷pInfoHdr锟斤拷pInfo锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角分憋拷锟斤拷为指锟斤拷BITMAPINFOHEADER锟结构锟斤拷 BITMAPINFO锟结构锟斤拷指锟疥。锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷BITMAPINFO锟结构锟斤拷锟斤拷锟斤拷锟斤拷锟缴拷识锟斤拷毡锟斤拷锟紹ITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷峥达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫★拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷DIB_RGB_ COLORS锟斤拷锟斤拷锟�0锟斤拷锟斤拷DIB_PAL_COLORS锟斤拷锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷式锟斤拷使锟矫★拷锟斤拷一锟斤拷锟揭斤拷锟斤拷锟桔革拷锟斤拷锟解方锟斤拷锟斤拷锟斤拷荨锟�
锟斤拷锟斤拷Windows锟叫碉拷锟斤拷图锟斤拷式锟斤拷锟斤拷锟斤拷锟角猴拷锟斤拷要锟侥★拷锟斤拷要锟斤拷锟斤拷CreateDIBitmap锟斤拷式锟斤拷锟斤拷锟狡ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫「装锟斤拷锟睫关的碉拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷装锟斤拷锟睫关的癸拷锟斤拷薪锟斤拷锟斤拷锟斤拷璞革拷锟截的碉拷锟斤拷图锟斤拷锟斤拷注锟斤拷煤锟绞斤拷锟斤拷锟紾DI锟斤拷锟斤拷图锟斤拷锟斤拷拇锟斤拷牛锟紺reateBitmap锟斤拷CreateBitmapIndirect锟斤拷CreateCompatibleBitmap也锟斤拷锟斤拷一锟斤拷锟斤拷
锟斤拷锟斤拷CreateDIBitmap锟斤拷式锟斤拷虻サ姆锟斤拷锟斤拷牵锟�
hBitmap = CreateDIBitmap (NULL, pbmih, 0, NULL, NULL, 0) ;
唯一锟侥诧拷锟斤拷锟斤拷指锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷指锟疥。锟斤拷锟斤拷锟斤拷锟绞斤拷校锟斤拷锟绞斤拷锟斤拷锟斤拷锟缴獹DI锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷诙锟斤拷旨虻サ姆锟斤拷锟斤拷牵锟�
hBitmap = CreateDIBitmap (hdc, pbmih, 0, NULL, NULL, 0) ;
锟斤拷锟斤拷锟斤拷锟绞斤拷校锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟阶帮拷锟斤拷锟斤拷锟斤拷锟斤拷莸锟紻DB锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷hdc锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷目前为止锟斤拷锟斤拷锟角讹拷锟斤拷透锟斤拷CreateBitmap锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷图锟斤拷锟斤拷CreateCompatibleBitmap锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟捷的碉拷锟斤拷图锟斤拷锟斤拷锟斤拷锟揭恍╋拷锟斤拷锟斤拷锟�
锟斤拷CreateDIBitmap锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷模式锟叫ｏ拷图锟截伙拷未锟斤拷锟斤拷始锟斤拷锟斤拷锟斤拷锟紺reateDIBitmap锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷CBM_INIT锟斤拷Windows锟酵会建锟斤拷DDB锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷始锟斤拷锟斤拷锟斤拷图位元锟斤拷pInfo锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟缴拷识锟斤拷毡锟斤拷锟紹ITMAPINFO锟结构锟斤拷指锟疥。pBits锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷BITMAPINFO锟结构指锟斤拷锟斤拷色锟绞革拷式锟叫碉拷位元锟斤拷锟叫碉拷指锟疥，锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷些位元锟斤拷转锟斤拷为锟借备锟斤拷锟斤拷色锟斤拷式锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷锟斤拷锟斤拷锟酵拷锟绞碉拷锟斤拷希锟斤拷锟斤拷锟紺reateDIBitmap锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟叫筹拷式锟斤拷锟斤拷实锟斤拷锟斤拷
HBITMAP CreateDIBitmap ( HDC hdc, CONST BITMAPINFOHEADER * pbmih,
DWORD fInit, CONST VOID * pBits,
CONST BITMAPINFO * pbmi, UINT fUsage)
{
HBITMAP hBitmap ;
HDC hdc ;
int cx, cy, iBitCount ;
if (pbmih->biSize == sizeof (BITMAPCOREHEADER))
{
cx = ((PBITMAPCOREHEADER) pbmih)->bcWidth ;
cy = ((PBITMAPCOREHEADER) pbmih)->bcHeight ;
iBitCount = ((PBITMAPCOREHEADER) pbmih)->bcBitCount ;
}
else
{
cx = pbmih->biWidth ;
cy = pbmih->biHeight ;
iBitCount = pbmih->biBitCount ;
}
if (hdc)
hBitmap = CreateCompatibleBitmap (hdc, cx, cy) ;
else
hBitmap = CreateBitmap (cx, cy, 1, 1, NULL) ;
if (fInit == CBM_INIT)
{
hdcMem = CreateCompatibleDC (hdc) ;
SelectObject (hdcMem, hBitmap) ;
SetDIBitsToDevice ( hdcMem, 0, 0, cx, cy, 0, 0, 0 cy,
pBits, pbmi, fUsage) ;
DeleteDC (hdcMem) ;
}
return hBitmap ;
}
锟斤拷锟斤拷锟斤拷锟斤拷锟绞綝IB一锟轿ｏ拷锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷示太锟斤拷锟斤拷锟斤拷锟斤拷锟紺reateDIBitmap锟斤拷使锟斤拷BitBlt锟斤拷StretchBlt锟斤拷锟斤拷示DDB锟斤拷没锟斤拷什么锟斤拷锟藉。锟斤拷为SetDIBitsToDevice锟斤拷CreateDIBitmap锟斤拷执锟斤拷锟斤拷色转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷占锟斤拷同锟斤拷锟斤拷锟斤拷时锟戒。只锟斤拷锟节讹拷锟斤拷锟绞綝IB时锟斤拷锟斤拷锟斤拷锟节达拷锟斤拷WM_PAINT讯息时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟藉。
锟斤拷式15-6 DIBCONV展示锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷DIB锟斤拷锟斤拷转锟斤拷为DDB锟侥凤拷锟斤拷锟斤拷
锟斤拷式15-6 DIBCONV
DIBCONV.C
/*--------------------------------------------------------------------------
DIBCONV.C -- Converts a DIB to a DDB
(c) Charles Petzold, 1998
----------------------------------------------------------------------------*/
#include <windows.h>
#include <commdlg.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("DibConv") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("DIB to DDB Conversion"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
HBITMAP CreateBitmapObjectFromDibFile (HDC hdc, PTSTR szFileName)
{
BITMAPFILEHEADER * pbmfh ;
BOOL bSuccess ;
DWORD dwFileSize, dwHighSize, dwBytesRead ;
HANDLE hFile ;
HBITMAP hBitmap ;
// Open the file: read access, prohibit write access
hFile = CreateFile (szFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL) ;
if (hFile == INVALID_HANDLE_VALUE)
return NULL ;
// Read in the whole file
dwFileSize = GetFileSize (hFile, &dwHighSize) ;
if (dwHighSize)
{
CloseHandle (hFile) ;
return NULL ;
}
pbmfh = malloc (dwFileSize) ;
if (!pbmfh)
{
CloseHandle (hFile) ;
return NULL ;
}
bSuccess = ReadFile (hFile, pbmfh, dwFileSize, &dwBytesRead, NULL) ;
CloseHandle (hFile) ;
// Verify the file
if (!bSuccess || (dwBytesRead != dwFileSize)
|| (pbmfh->bfType != * (WORD *) "BM")
|| (pbmfh->bfSize != dwFileSize))
{
free (pbmfh) ;
return NULL ;
}
// Create the DDB
hBitmap = CreateDIBitmap (hdc,
(BITMAPINFOHEADER *) (pbmfh + 1),
CBM_INIT,
(BYTE *) pbmfh + pbmfh->bfOffBits,
(BITMAPINFO *) (pbmfh + 1),
DIB_RGB_COLORS) ;
free (pbmfh) ;
return hBitmap ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static HBITMAP hBitmap ;
static int cxClient, cyClient ;
static OPENFILENAME ofn ;
static TCHAR szFileName [MAX_PATH], szTitleName [MAX_PATH] ;
static TCHAR szFilter[]=TEXT("Bitmap Files(*.BMP)\0*.bmp\0")
TEXT ("All Files (*.*)\0*.*\0\0") ;
BITMAP bitmap ;
HDC hdc, hdcMem ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
ofn.lStructSize = sizeof (OPENFILENAME) ;
ofn.hwndOwner = hwnd ;
ofn.hInstance = NULL ;
ofn.lpstrFilter = szFilter ;
ofn.lpstrCustomFilter = NULL ;
ofn.nMaxCustFilter = 0 ;
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = szFileName ;
ofn.nMaxFile = MAX_PATH ;
ofn.lpstrFileTitle = szTitleName ;
ofn.nMaxFileTitle = MAX_PATH ;
ofn.lpstrInitialDir = NULL ;
ofn.lpstrTitle = NULL ;
ofn.Flags = 0 ;
ofn.nFileOffset = 0 ;
ofn.nFileExtension = 0 ;
ofn.lpstrDefExt = TEXT ("bmp") ;
ofn.lCustData = 0 ;
ofn.lpfnHook = NULL ;
ofn.lpTemplateName = NULL ;
return 0 ;
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
return 0 ;
case WM_COMMAND:
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
// Show the File Open dialog box
if (!GetOpenFileName (&ofn))
return 0 ;
// If there's an existing DIB, delete it
if (hBitmap)
{
DeleteObject (hBitmap) ;
hBitmap = NULL ;
}
// Create the DDB from the DIB
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
hdc = GetDC (hwnd) ;
hBitmap = CreateBitmapObjectFromDibFile (hdc, szFileName) ;
ReleaseDC (hwnd, hdc) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
// Invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE) ;
if (hBitmap == NULL)
{
MessageBox (hwnd, TEXT ("Cannot load DIB file"),
szAppName, MB_OK | MB_ICONEXCLAMATION) ;
}
return 0 ;
}
break ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
if (hBitmap)
{
GetObject (hBitmap, sizeof (BITMAP), &bitmap) ;
hdcMem = CreateCompatibleDC (hdc) ;
SelectObject (hdcMem, hBitmap) ;
BitBlt (hdc,0, 0, bitmap.bmWidth, bitmap.bmHeight,
hdcMem, 0, 0, SRCCOPY) ;
DeleteDC (hdcMem) ;
}
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (hBitmap)
DeleteObject (hBitmap) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
DIBCONV.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Menu
DIBCONV MENU DISCARDABLE
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&Open", IDM_FILE_OPEN
END
END
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by DibConv.rc #define IDM_FILE_OPEN 40001
DIBCONV.C锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷要前锟斤拷牡锟斤拷锟斤拷锟斤拷诙锟斤拷锟斤拷锟斤拷械墓锟斤拷鼙锟斤拷锟斤拷睿拷锟紽ile Open锟斤拷锟斤拷锟侥伙拷应锟叫ｏ拷WndProc锟斤拷锟叫筹拷式锟斤拷CreateBitmapObjectFromDibFile锟斤拷式锟斤拷锟剿猴拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷宀拷锟街革拷锟斤拷锟斤拷锟斤拷锟斤拷指锟疥传锟捷革拷CreateDIBitmap锟斤拷式锟斤拷锟斤拷式锟斤拷锟截碉拷锟斤拷图锟侥达拷锟脚ｏ拷然锟斤拷锟斤拷锟紻IB锟侥硷拷锟斤拷锟斤拷楸伙拷头拧锟斤拷锟絎M_PAINT讯息锟斤拷锟斤拷锟节间，WndProc锟斤拷锟斤拷锟斤拷图选锟斤拷锟斤拷锟捷的硷拷锟斤拷锟斤拷装锟斤拷锟斤拷锟捷诧拷使锟斤拷BitBlt锟斤拷锟斤拷锟斤拷SetDIBitsToDevice锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷图锟斤拷锟斤拷通锟斤拷使锟矫碉拷锟斤拷图锟斤拷锟脚猴拷锟叫达拷锟斤拷BITMAP锟结构锟斤拷GetObject锟斤拷式锟斤拷取锟矫碉拷锟斤拷图锟侥匡拷锟饺和高度★拷
锟节达拷CreateDIBitmap锟斤拷锟斤拷锟斤拷锟斤拷图时锟斤拷锟截筹拷始锟斤拷DDB图锟斤拷位元锟斤拷之锟斤拷锟斤拷锟斤拷锟皆猴拷锟斤拷SetDIBits锟斤拷始锟斤拷图锟斤拷位元锟斤拷锟矫猴拷式锟斤拷锟斤法锟斤拷锟铰ｏ拷
iLines = SetDIBits (
hdc, // device context handle
hBitmap, // bitmap handle
yScan, // first scan line to convert
cyScans, // number of scan lines to convert
pBits, // pointer to pixel bits
pInfo, // pointer to DIB information
fClrUse) ; // color use flag
锟斤拷式使锟斤拷锟斤拷BITMAPINFO锟结构锟叫碉拷色锟绞讹拷锟秸憋拷锟斤拷位元转锟斤拷为锟借备锟斤拷氐母锟绞斤拷锟街伙拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷瓒ㄎ狣IB_PAL_COLORS时锟斤拷锟斤拷锟斤拷要装锟斤拷锟斤拷锟捷达拷锟脚★拷
锟斤拷DDB锟斤拷DIB
锟斤拷
锟斤拷SetDIBits锟斤拷式锟斤拷锟狡的猴拷式锟斤拷GetDIBits锟斤拷锟斤拷锟斤拷锟斤拷使锟矫此猴拷式锟斤拷DDB转锟斤拷为DIB锟斤拷
int WINAPI GetDIBits (
hdc, // device context handle
hBitmap, // bitmap handle
yScan, // first scan line to convert
cyScans, // number of scan lines to convert
pBits, // pointer to pixel bits (out)
pInfo, // pointer to DIB information (out)
fClrUse) ; // color use flag
然锟斤拷锟斤拷锟剿猴拷式锟斤拷锟斤拷锟侥匡拷锟铰诧拷锟斤拷SetDIBits锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷使锟斤拷CreateDIBitmap锟斤拷SetDIBits锟斤拷DIB转锟斤拷为DDB锟斤拷然锟斤拷使锟斤拷GetDIBits锟斤拷DDB转锟斤拷锟斤拷DIB锟斤拷锟斤拷锟酵诧拷锟斤拷玫锟皆拷锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟轿拷锟紻IB锟斤拷转锟斤拷为锟借备锟斤拷氐母锟绞绞憋拷锟斤拷锟揭恍╋拷锟窖讹拷锟绞э拷恕锟斤拷锟绞э拷锟斤拷锟窖讹拷锟斤拷锟饺★拷锟届督锟斤拷锟阶拷锟绞盬indows锟斤拷执锟叫碉拷锟斤拷示模式锟斤拷
锟斤拷锟斤拷锟杰会发锟斤拷没锟斤拷使锟斤拷GetDIBits锟侥憋拷要锟皆★拷锟斤拷锟斤拷一锟铰ｏ拷锟斤拷什么锟斤拷锟斤拷锟斤拷锟斤拷锟侥筹拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷图锟斤拷锟脚ｏ拷锟斤拷没锟斤拷锟斤拷锟斤拷锟斤拷锟绞硷拷锟轿伙拷媒锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟斤拷希锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷羌锟斤拷锟斤拷锟轿狣IB锟结供锟斤拷锟皆讹拷锟斤拷转锟斤拷锟斤拷GetDIBits锟斤拷式锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟节诧拷捉萤幕锟斤拷示锟斤拷锟捷碉拷锟斤拷锟斤拷拢锟斤拷锟斤拷锟斤拷十锟斤拷锟斤拷锟斤拷BLOWUP锟斤拷式锟斤拷锟斤拷锟侥★拷锟揭诧拷示锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟組icrosoft锟斤拷站锟斤拷Knowledge Base锟斤拷锟斤拷Q80080锟斤拷锟斤拷一些锟斤拷讯锟斤拷
DIB锟斤拷锟斤拷
锟斤拷
锟斤拷希锟斤拷锟斤拷锟窖撅拷锟斤拷锟借备锟斤拷睾锟阶帮拷锟斤拷薰氐锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷母锟斤拷睢IB锟斤拷拥锟叫硷拷锟斤拷色锟斤拷锟斤拷织锟叫碉拷一锟街ｏ拷DDB锟斤拷锟斤拷锟角碉拷色锟侥伙拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷璞革拷锟酵拷母锟绞斤拷锟紻IB锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟介；DDB锟斤拷GDI锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷傻锟斤拷锟酵硷拷锟斤拷疟锟绞撅拷锟紻IB锟杰憋拷锟斤拷示锟斤拷转锟斤拷为DDB锟斤拷转锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶帮拷锟斤拷薰锟轿辉拷锟斤拷璞革拷锟斤拷位元之锟斤拷锟阶拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟津。该猴拷式锟斤拷32位元Windows锟芥本锟叫凤拷锟斤拷锟斤拷锟斤拷为CreateDIBSection锟斤拷锟斤法为锟斤拷
hBitmap = CreateDIBSection (
hdc, // device context handle
pInfo, // pointer to DIB information
fClrUse, // color use flag
ppBits, // pointer to pointer variable
hSection, // file-mapping object handle
dwOffset) ; // offset to bits in file-mapping object
CreateDIBSection锟斤拷Windows API锟斤拷锟斤拷锟斤拷要锟侥猴拷式之一锟斤拷锟斤拷锟斤拷锟斤拷使锟矫碉拷锟斤拷图时锟斤拷锟斤拷然锟斤拷锟斤拷锟结发锟斤拷锟斤拷锟斤拷锟斤拷虏锟斤拷锟斤拷锟斤拷锟斤拷狻�
锟斤拷锟斤拷锟角达拷锟斤拷锟斤拷锟斤拷锟狡匡拷始锟斤拷锟斤拷锟斤拷知锟斤拷DIB锟斤拷什么锟斤拷锟斤拷锟斤拷DIB section锟斤拷锟斤拷锟斤拷锟斤拷什么锟截ｏ拷锟斤拷锟斤拷锟斤拷一锟轿硷拷锟紺reateDIBSection时锟斤拷锟斤拷锟杰伙拷寻锟揭该猴拷式锟斤拷DIB锟斤拷锟介工锟斤拷锟侥凤拷式锟斤拷锟斤拷锟斤拷锟斤拷确锟侥ｏ拷CreateDIBSection锟斤拷锟斤拷锟侥撅拷锟角斤拷锟斤拷锟斤拷DIB锟斤拷一锟斤拷锟街ｏ拷锟斤拷锟斤拷图图锟斤拷位元锟侥硷拷锟斤拷锟斤拷椋╋拷锟�
锟斤拷锟斤拷锟斤拷锟角匡拷一锟铰达拷锟斤拷值锟斤拷锟斤拷锟斤拷GDI锟斤拷锟斤拷图锟斤拷锟斤拷拇锟斤拷牛锟斤拷锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟角该猴拷式锟斤拷锟斤拷锟斤拷锟斤拷锟剿的诧拷锟街★拷锟斤拷锟斤拷值锟狡猴拷锟斤拷示锟斤拷CreateDIBSection锟节癸拷锟斤拷锟斤拷锟斤拷CreateDIBitmap锟斤拷同锟斤拷锟斤拷实锟较ｏ拷锟斤拷只锟斤拷锟斤拷锟狡碉拷锟斤拷全锟斤拷同锟斤拷实锟斤拷锟较ｏ拷锟斤拷CreateDIBSection锟斤拷锟截的碉拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节憋拷锟铰猴拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷图锟斤拷锟斤拷锟斤拷式锟斤拷锟截的碉拷锟斤拷图锟斤拷锟斤拷锟节憋拷锟斤拷锟较诧拷同锟斤拷
一锟斤拷锟斤拷锟斤拷锟斤拷CreateDIBSection锟斤拷锟斤拷实锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟杰撅拷锟斤拷锟斤拷锟轿裁达拷锟斤拷汛锟斤拷锟街碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟杰得筹拷锟斤拷锟桔ｏ拷CreateDIBSection应锟矫筹拷之为CreateDIBitmap锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷前锟斤拷锟斤拷指锟斤拷锟斤拷CreateDIBitmap应锟矫筹拷之为CreateDDBitmap锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟角硷拷锟揭伙拷锟斤拷锟轿硷拷CreateDIBSection锟斤拷锟斤拷锟斤拷确锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟饺ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷hSection锟斤拷dwOffset锟斤拷锟街憋拷锟借定为NULL锟斤拷0锟斤拷锟揭斤拷锟节憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟矫凤拷锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷fColorUse锟斤拷锟斤拷锟借定为DIB_ PAL_COLORS时锟斤拷锟斤拷使锟斤拷hdc锟斤拷锟斤拷锟斤拷锟斤拷锟絝ColorUse为DIB_RGB_COLORS锟斤拷锟斤拷0锟斤拷锟斤拷hdc锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷CreateDIBitmap锟斤拷同锟斤拷hdc锟斤拷锟斤拷锟斤拷锟饺★拷锟斤拷锟紻DB锟斤拷锟捷碉拷锟借备锟斤拷色锟绞革拷式锟斤拷锟斤拷
锟斤拷耍锟紺reateDIBSection锟斤拷虻サ锟斤拷锟绞斤拷锟斤拷锟揭拷诙锟斤拷偷锟斤拷母锟斤拷锟斤拷锟斤拷锟斤拷诙锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷锟紹ITMAPINFO锟结构锟斤拷指锟疥，锟斤拷锟斤拷锟斤拷前锟斤拷使锟矫癸拷锟斤拷锟斤拷希锟斤拷指锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷锟街革拷甓拷锟斤拷指锟疥不锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟较很简单★拷
锟斤拷锟斤拷要锟斤拷锟斤拷每图锟斤拷24位元锟斤拷384锟斤拷256位元DIB锟斤拷24位元锟斤拷式锟斤拷锟斤拷要色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟津单的ｏ拷锟斤拷锟斤拷锟斤拷锟角匡拷锟斤拷为BITMAPINFO锟斤拷锟斤拷使锟斤拷BITMAPINFOHEADER锟结构锟斤拷
锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟结构锟斤拷BYTE指锟斤拷偷锟斤拷锟酵硷拷锟斤拷牛锟�
BITMAPINFOHEADER bmih ; BYTE * pBits ; HBITMAP hBitmap ;
锟斤拷锟节筹拷始锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷位
bmih->biSize = sizeof (BITMAPINFOHEADER) ; bmih->biWidth = 384 ; bmih->biHeight = 256 ; bmih->biPlanes = 1 ; bmih->biBitCount = 24 ; bmih->biCompression = BI_RGB ; bmih->biSizeImage = 0 ; bmih->biXPelsPerMeter = 0 ; bmih->biYPelsPerMeter = 0 ; bmih->biClrUsed = 0 ; bmih->biClrImportant = 0 ;
锟节伙拷锟斤拷准锟斤拷锟结，锟斤拷锟角猴拷锟叫该猴拷式锟斤拷
hBitmap = CreateDIBSection (NULL, (BITMAPINFO *) &bmih, 0, &pBits, NULL, 0) ;
注锟解，锟斤拷锟斤拷为锟节讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷BITMAPINFOHEADER锟结构锟斤拷位址锟斤拷锟斤拷锟角筹拷锟斤拷锟侥ｏ拷锟斤拷一锟斤拷BYIE指锟斤拷pBits锟斤拷位址锟斤拷锟酵诧拷锟斤拷锟斤拷锟剿★拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷锟角猴拷式锟斤拷要锟斤拷指锟斤拷指锟斤拷锟街革拷辍�
锟斤拷锟角猴拷式锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷CreateDIBSection锟斤拷锟紹ITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷锟姐够锟侥硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紻IB图锟斤拷位元锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷铮拷锟斤拷锟斤拷锟斤拷拇锟叫∥�384锟斤拷256锟斤拷3位元锟介。锟斤拷锟斤拷锟斤拷锟斤拷锟结供锟斤拷pBits锟斤拷锟斤拷锟叫达拷锟斤拷锟斤拷指锟斤拷思锟斤拷锟斤拷锟斤拷锟街革拷辍ｏ拷锟绞斤拷锟斤拷氐锟斤拷锟酵硷拷锟斤拷牛锟斤拷锟斤拷锟斤拷锟剿碉拷模锟斤拷锟斤拷锟紺reateDIBitmap锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷式锟斤拷锟截的达拷锟脚诧拷一锟斤拷锟斤拷
然锟斤拷锟斤拷锟斤拷锟角伙拷没锟斤拷锟斤拷锟疥，锟斤拷锟斤拷图图锟斤拷锟斤拷未锟斤拷始锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷诙锟饺IB锟斤拷锟斤拷锟斤拷锟斤拷锟皆简单地帮拷pBits锟斤拷锟斤拷锟斤拷锟捷革拷ReadFile锟斤拷式锟斤拷锟斤拷取锟斤拷锟角★拷锟斤拷锟竭匡拷锟斤拷使锟斤拷一些锟斤拷式锟诫「锟剿癸拷锟斤拷锟借定锟斤拷
锟斤拷式15-7 DIBSECT锟斤拷锟剿猴拷锟斤拷CreateDIBSection锟斤拷锟斤拷锟斤拷CreateDIBitmap之锟解，锟斤拷DIBCONV锟斤拷式锟斤拷锟狡★拷
锟斤拷式15-7 DIBSECT
DIBSECT.C
/*----------------------------------------------------------------------------
DIBSECT.C -- Displays a DIB Section in the client area
(c) Charles Petzold, 1998
-----------------------------------------------------------------------------*/
#include <windows.h>
#include <commdlg.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("DIBsect") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("DIB Section Display"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
HBITMAP CreateDIBsectionFromDibFile (PTSTR szFileName)
{
BITMAPFILEHEADER bmfh ;
BITMAPINFO * pbmi ;
BYTE * pBits ;
BOOL bSuccess ;
DWORD dwInfoSize, dwBytesRead ;
HANDLE hFile ;
HBITMAP hBitmap ;
// Open the file: read access, prohibit write access
hFile = CreateFile (szFileName, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, NULL) ;
if (hFile == INVALID_HANDLE_VALUE)
return NULL ;
// Read in the BITMAPFILEHEADER
bSuccess = ReadFile (hFile, &bmfh, sizeof (BITMAPFILEHEADER),
&dwBytesRead, NULL) ;
if (!bSuccess || (dwBytesRead != sizeof (BITMAPFILEHEADER))
|| (bmfh.bfType != * (WORD *) "BM"))
{
CloseHandle (hFile) ;
return NULL ;
}
// Allocate memory for the BITMAPINFO structure & read it in
dwInfoSize = bmfh.bfOffBits - sizeof (BITMAPFILEHEADER) ;
pbmi = malloc (dwInfoSize) ;
bSuccess = ReadFile (hFile, pbmi, dwInfoSize, &dwBytesRead, NULL) ;
if (!bSuccess || (dwBytesRead != dwInfoSize))
{
free (pbmi) ;
CloseHandle (hFile) ;
return NULL ;
}
// Create the DIB Section
hBitmap = CreateDIBSection (NULL, pbmi, DIB_RGB_COLORS, &pBits, NULL, 0) ;
if (hBitmap == NULL)
{
free (pbmi) ;
CloseHandle (hFile) ;
return NULL ;
}
// Read in the bitmap bits
ReadFile (hFile, pBits, bmfh.bfSize - bmfh.bfOffBits, &dwBytesRead, NULL) ;
free (pbmi) ;
CloseHandle (hFile) ;
return hBitmap ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static HBITMAP hBitmap ;
static int cxClient, cyClient ;
static OPENFILENAME ofn ;
static TCHAR szFileName [MAX_PATH], szTitleName [MAX_PATH] ;
static TCHAR szFilter[] = TEXT ("Bitmap Files (*.BMP)\0*.bmp\0")
TEXT ("All Files (*.*)\0*.*\0\0") ;
BITMAP bitmap ;
HDC hdc, hdcMem ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
ofn.lStructSize = sizeof (OPENFILENAME) ;
ofn.hwndOwner = hwnd ;
ofn.hInstance = NULL ;
ofn.lpstrFilter = szFilter ;
ofn.lpstrCustomFilter = NULL ;
ofn.nMaxCustFilter = 0 ;
ofn.nFilterIndex = 0 ;
ofn.lpstrFile = szFileName ;
ofn.nMaxFile = MAX_PATH ;
ofn.lpstrFileTitle = szTitleName ;
ofn.nMaxFileTitle = MAX_PATH ;
ofn.lpstrInitialDir = NULL ;
ofn.lpstrTitle = NULL ;
ofn.Flags = 0 ;
ofn.nFileOffset = 0 ;
ofn.nFileExtension = 0 ;
ofn.lpstrDefExt = TEXT ("bmp") ;
ofn.lCustData = 0 ;
ofn.lpfnHook = NULL ;
ofn.lpTemplateName = NULL ;
return 0 ;
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
return 0 ;
case WM_COMMAND:
switch (LOWORD (wParam))
{
case IDM_FILE_OPEN:
// Show the File Open dialog box
if (!GetOpenFileName (&ofn))
return 0 ;
// If there's an existing bitmap, delete it
if (hBitmap)
{
DeleteObject (hBitmap) ;
hBitmap = NULL ;
}
// Create the DIB Section from the DIB file
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
hBitmap = CreateDIBsectionFromDibFile (szFileName) ;
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
// Invalidate the client area for later update
InvalidateRect (hwnd, NULL, TRUE) ;
if (hBitmap == NULL)
{
MessageBox ( hwnd, TEXT ("Cannot load DIB file"),
szAppName, MB_OK | MB_ICONEXCLAMATION) ;
}
return 0 ;
}
break ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
if (hBitmap)
{
GetObject (hBitmap, sizeof (BITMAP), &bitmap) ;
hdcMem = CreateCompatibleDC (hdc) ;
SelectObject (hdcMem, hBitmap) ;
BitBlt ( hdc, 0, 0, bitmap.bmWidth, bitmap.bmHeight,
hdcMem, 0, 0, SRCCOPY) ;
DeleteDC (hdcMem) ;
}
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
if (hBitmap)
DeleteObject (hBitmap) ;
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
DIBSECT.RC锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Menu
DIBSECT MENU DISCARDABLE
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&Open", IDM_FILE_OPEN
END
END
RESOURCE.H锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by DIBsect.rc #define IDM_FILE_OPEN 40001
注锟斤拷DIBCONV锟叫碉拷CreateBitmapObjectFromDibFile锟斤拷式锟斤拷DIBSECT锟叫碉拷CreateDIbsectionFromDibFile锟斤拷式之锟斤拷锟斤拷锟斤拷锟紻IBCONV锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷锟街革拷锟紻IB锟斤拷锟斤拷锟斤拷锟斤拷指锟疥传锟捷革拷CreateDIBitmap锟斤拷式锟斤拷DIBSECT锟斤拷锟饺讹拷取BITMAPFILEHEADER锟结构锟叫碉拷锟斤拷讯锟斤拷然锟斤拷确锟斤拷BITMAPINFO锟结构锟侥达拷小锟斤拷为锟斤拷锟斤拷锟矫硷拷锟斤拷锟藉，锟斤拷锟节第讹拷锟斤拷ReadFile锟斤拷锟斤拷锟叫斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷濉Ｈ伙拷幔拷锟绞斤拷锟街革拷锟紹ITMAPINFO锟结构锟斤拷指锟斤拷锟斤拷锟絧Bits锟斤拷指锟疥传锟捷革拷CreateDIBSection锟斤拷锟斤拷式锟斤拷锟截碉拷锟斤拷图锟斤拷锟脚诧拷锟借定pBits指锟斤拷式锟斤拷要锟斤拷取DIB图锟斤拷位元锟侥硷拷锟斤拷锟斤拷椤�
pBits指锟斤拷募锟斤拷锟斤拷锟斤拷锟较低筹拷锟斤拷小锟斤拷锟酵拷锟斤拷锟斤拷锟紻eleteObject删锟斤拷锟斤拷锟斤拷图时锟斤拷锟斤拷锟斤拷锟斤拷岜伙拷远锟斤拷头拧锟饺伙拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷酶锟街革拷锟街憋拷痈谋锟紻IB位元锟斤拷锟斤拷应锟矫筹拷式透锟斤拷API锟斤拷锟捷达拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟街灰低秤碉拷锟斤拷锟叫╋拷锟斤拷锟斤拷锟介，锟斤拷WINDOWS NT锟铰就诧拷锟斤拷影锟斤拷锟劫度★拷
锟斤拷之前锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷示DIB时锟斤拷某些时锟斤拷锟斤拷锟斤拷锟叫达拷装锟斤拷锟睫癸拷图锟截碉拷锟借备锟斤拷锟酵硷拷氐锟阶拷锟斤拷锟斤拷锟绞憋拷锟叫╋拷锟绞阶拷锟斤拷锟斤拷锟斤拷嗟憋拷锟绞憋拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示DIB锟侥凤拷锟斤拷锟斤拷
-
锟斤拷使锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷锟斤拷DIB直锟斤拷锟斤拷示锟斤拷萤幕锟较ｏ拷锟斤拷式转锟斤拷锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷锟斤拷锟节间发锟斤拷锟斤拷
锟斤拷 -
锟斤拷使锟斤拷CreateDIBitmap锟酵ｏ拷锟斤拷锟斤拷锟角ｏ拷SetDIBits锟斤拷DIB转锟斤拷为DDB锟斤拷然锟斤拷使锟斤拷BitBlt锟斤拷StretchBlt锟斤拷锟斤拷示锟斤拷时锟斤拷锟斤拷锟斤拷瓒拷锟紺BM_INIT锟斤拷辏拷锟绞阶拷锟斤拷锟紺reateDIBitmap锟斤拷SetDIBits锟节间发锟斤拷锟斤拷
锟斤拷 -
锟斤拷使锟斤拷CreateDIBSection锟斤拷锟斤拷DIB锟斤拷锟介，然锟斤拷使锟斤拷BitBlt锟斤拷StretchBlt锟斤拷示锟斤拷时锟斤拷锟斤拷式转锟斤拷锟斤拷BitBlt锟斤拷StretchBlt锟侥猴拷锟斤拷锟节间发锟斤拷锟斤拷
锟斤拷
锟劫讹拷一锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿硷拷锟斤拷锟斤拷谴锟紺reateDIBSection锟斤拷锟截的碉拷锟斤拷图锟斤拷锟脚诧拷同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷诺锟揭伙拷锟斤拷胤锟斤拷锟斤拷说锟斤拷锟酵硷拷锟斤拷锟绞碉拷锟斤拷锟街革拷虼⒋锟斤拷诩锟斤拷锟斤拷锟斤拷锟斤拷锟较低澄拷锟斤拷锟接︼拷贸锟绞斤拷艽锟饺★拷锟紻IB锟斤拷锟斤拷锟斤拷要锟斤拷时锟斤拷DIB锟斤拷转锟斤拷为锟截讹拷锟斤拷色锟绞革拷式锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷BitBlt锟斤拷StretchBlt锟斤拷示锟斤拷锟斤拷图时锟斤拷
锟斤拷也锟斤拷锟皆斤拷锟斤拷锟斤拷图锟斤拷锟斤拷选锟斤拷锟斤拷锟斤拷锟阶帮拷锟斤拷锟斤拷莶锟绞癸拷锟紾DI锟斤拷式锟斤拷锟斤拷锟狡★拷锟斤拷 pBits 锟斤拷锟斤拷指锟斤拷锟紻IB图锟斤拷锟节斤拷锟斤拷映锟斤拷锟斤拷锟斤拷锟斤拷锟轿猈indows NT锟铰碉拷GDI锟斤拷式锟斤拷锟斤拷锟斤拷锟叫ｏ拷锟节硷拷锟斤拷锟斤拷锟借备锟斤拷锟斤拷锟较伙拷锟斤拷之锟斤拷汀锟斤拷锟轿拷锟斤拷拇锟饺∥辉帮拷锟斤拷锟斤拷GdiFlush锟斤拷
锟斤拷DIBSECT锟斤拷锟斤拷锟斤拷锟斤拷锟絧Bits锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷式锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷恕锟斤拷锟斤拷锟绞癸拷锟紺reateDIBSection锟斤拷锟斤拷要原锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭憋拷痈锟斤拷锟轿辉碉拷锟斤拷锟紺reateDIBSection锟斤拷锟斤拷之锟斤拷锟狡猴拷锟斤拷没锟叫憋拷姆锟斤拷锟斤拷锟饺★拷锟轿辉革拷锟斤拷恕锟�
DIB锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷
锟斤拷CreateDIBitmap锟斤拷锟截的碉拷锟斤拷图锟斤拷锟斤拷锟诫函式锟斤拷hdc锟斤拷锟斤拷锟斤拷锟矫碉拷锟借备锟斤拷锟斤拷同锟斤拷平锟斤拷锟酵硷拷锟轿辉拷锟街拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟紹ITMAP锟结构锟斤拷GetObject锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟姐。
CreateDIBSection锟酵诧拷同锟剿★拷锟斤拷锟斤拷愿煤锟绞斤拷锟斤拷氐牡锟斤拷锟酵硷拷锟斤拷诺锟紹ITMAP锟结构锟斤拷锟斤拷GetObject锟斤拷锟斤拷锟结发锟街碉拷锟斤拷图锟斤拷锟叫碉拷色锟斤拷锟斤拷织锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷位指锟斤拷锟斤拷色锟斤拷锟斤拷织锟斤拷同锟斤拷锟斤拷锟杰斤拷锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷锟斤拷锟窖讹拷锟绞撅拷锟斤拷锟斤拷莸募锟斤拷锟斤拷锟阶帮拷锟斤拷锟斤拷荨锟斤拷锟斤拷锟斤拷锟揭伙拷鹿锟斤拷DDB锟斤拷锟斤拷锟斤拷锟斤拷矛锟杰ｏ拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷说锟斤拷DIB锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷挪锟酵拷锟皆拷锟�
锟斤拷一锟斤拷锟斤拷锟斤拷之锟斤拷锟角ｏ拷锟斤拷锟斤拷芑锟斤拷堑茫锟紻IB锟斤拷图锟斤拷锟斤拷锟斤拷锟叫碉拷位元锟介长锟斤拷始锟斤拷锟斤拷4锟侥憋拷锟斤拷锟斤拷GDI锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷械锟轿辉拷槌わ拷龋锟斤拷锟斤拷锟绞癸拷锟紾etObject锟斤拷BITMAP锟结构锟斤拷bmWidthBytes锟斤拷位锟叫得碉拷锟侥筹拷锟饺ｏ拷始锟斤拷锟斤拷2锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫客硷拷锟�24位元锟酵匡拷锟斤拷2图锟斤拷锟借定BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷锟斤拷锟紾etObject锟斤拷锟斤拷锟酵会发锟斤拷bmWidthBytes锟斤拷位锟斤拷8锟斤拷锟斤拷锟斤拷6锟斤拷
使锟矫达拷CreateDIBSection锟斤拷锟截的碉拷锟斤拷图锟斤拷锟脚ｏ拷也锟斤拷锟斤拷使锟斤拷DIBSECTION锟结构锟斤拷锟斤拷GetObject锟斤拷
GetObject (hBitmap, sizeof (DIBSECTION), &dibsection) ;
锟剿猴拷式锟斤拷锟杰达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷式锟斤拷锟截的碉拷锟斤拷图锟斤拷锟脚★拷DIBSECTION锟结构锟斤拷锟斤拷锟斤拷锟铰ｏ拷
typedef struct tagDIBSECTION // ds
{
BITMAP dsBm ; // BITMAP structure
BITMAPINFOHEADER dsBmih ; // DIB information header
DWORD dsBitfields [3] ; // color masks
HANDLE dshSection ; // file-mapping object handle
DWORD dsOffset ; // offset to bitmap bits
}
DIBSECTION, * PDIBSECTION ;
锟剿结构锟斤拷锟斤拷BITMAP锟结构锟斤拷BITMAPINFOHEADER锟结构锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷位锟角达拷锟捷革拷CreateDIBSection锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟铰斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角★拷
DIBSECTION锟结构锟叫帮拷锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟斤拷锟斤拷锟叫关碉拷锟斤拷图锟斤拷锟斤拷锟斤拷锟斤拷锟捷★拷锟斤拷锟斤拷DIB锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟窖★拷锟斤拷锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷GetDIBColorTable锟斤拷锟矫碉拷色锟绞讹拷锟秸憋拷锟斤拷
hdcMem = CreateCompatibleDC (NULL) ; SelectObject (hdcMem, hBitmap) ; GetDIBColorTable (hdcMem, uFirstIndex, uNumEntries, &rgb) ; DeleteDC (hdcMem) ;
同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷SetDIBColorTable锟斤拷锟借定色锟绞讹拷锟秸憋拷锟叫碉拷锟斤拷目锟斤拷
锟斤拷锟斤拷映锟斤拷选锟斤拷
锟斤拷
锟斤拷锟角伙拷没锟斤拷锟斤拷锟斤拷CreateDIBSection锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷映锟斤拷锟斤拷锟斤拷拇锟斤拷藕偷锟斤拷锟斤拷械锟斤拷锟酵嘉辉拷锟绞硷拷锟狡拷锟斤拷锟斤拷锟斤拷锟斤拷锟接筹拷锟斤拷锟斤拷使锟斤拷锟杰癸拷锟今档帮拷位於硷拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷通锟斤拷使锟矫硷拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷取锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷小锟�
锟节达拷锟斤拷DIB锟斤拷锟斤拷锟斤拷拢锟斤拷思锟斤拷锟斤拷锟届都锟斤拷偌锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呛锟斤拷邪锟斤拷锟斤拷摹锟紻IB图锟斤拷位元锟杰癸拷锟斤拷锟斤拷锟节达拷片锟较ｏ拷锟斤拷锟斤拷然锟斤拷锟皆碉拷锟斤拷位於硷拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟叫达拷取锟斤拷锟斤拷然锟斤拷影锟斤拷锟绞街达拷锟叫э拷堋锟斤拷锟斤拷锟斤拷牵锟斤拷锟酵硷拷锟轿辉碉拷锟斤拷洗锟斤拷锟斤拷诖锟狡拷锟绞憋拷锟斤拷锟斤拷遣锟斤拷锟斤拷锟斤拷锟绞碉拷锟紻IB锟斤拷锟斤拷锟斤拷一锟斤拷锟街★拷锟斤拷锟角憋拷锟斤拷位锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷凇锟�
为锟斤拷展示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷暮锟绞斤拷锟斤拷瞬锟斤拷锟酵硷拷锟轿辉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解，锟斤拷DIBSECT锟叫斤拷锟斤拷DIB锟斤拷锟斤拷暮锟绞斤拷锟斤拷锟斤拷啤锟饺伙拷锟斤拷锟斤拷锟斤拷峁╋拷说锟斤拷锟接筹拷锟斤拷锟斤拷锟酵达拷锟捷革拷CreateDIBSection锟斤拷式锟斤拷偏锟斤拷锟斤拷锟斤拷
HBITMAP CreateDIBsectionMappingFromFile (PTSTR szFileName)
{
BITMAPFILEHEADER bmfh ;
BITMAPINFO * pbmi ;
BYTE * pBits ;
BOOL bSuccess ;
DWORD dwInfoSize, dwBytesRead ;
HANDLE hFile, hFileMap ;
HBITMAP hBitmap ;
hFile = CreateFile (szFileName, GENERIC_READ | GENERIC_WRITE,
0, // No sharing!
NULL, OPEN_EXISTING, 0, NULL) ;
if (hFile == INVALID_HANDLE_VALUE)
return NULL ;
bSuccess = ReadFile ( hFile, &bmfh, sizeof (BITMAPFILEHEADER),
&dwBytesRead, NULL) ;
if (!bSuccess || (dwBytesRead != sizeof (BITMAPFILEHEADER))
|| (bmfh.bfType != * (WORD *) "BM"))
{
CloseHandle (hFile) ;
return NULL ;
}
dwInfoSize = bmfh.bfOffBits - sizeof (BITMAPFILEHEADER) ;
pbmi = malloc (dwInfoSize) ;
bSuccess = ReadFile (hFile, pbmi, dwInfoSize, &dwBytesRead, NULL) ;
if (!bSuccess || (dwBytesRead != dwInfoSize))
{
free (pbmi) ;
CloseHandle (hFile) ;
return NULL ;
}
hFileMap = CreateFileMapping (hFile, NULL, PAGE_READWRITE, 0, 0, NULL) ;
hBitmap = CreateDIBSection ( NULL, pbmi, DIB_RGB_COLORS, &pBits,hFileMap, bmfh.bfOffBits) ;
free (pbmi) ;
return hBitmap ;
}
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷岫拷锟紺reateDIBSection锟斤拷锟侥硷拷指锟斤拷锟斤拷dwOffset [锟斤拷式锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷]锟斤拷锟斤拷锟斤拷DWORD锟斤拷小锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷头锟侥达拷小始锟斤拷锟斤拷4锟侥憋拷锟斤拷锟斤拷锟斤拷色锟绞讹拷锟秸憋拷锟侥达拷小也始锟斤拷锟斤拷4锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷头却锟斤拷锟角ｏ拷锟斤拷锟斤拷14位元锟介。锟斤拷锟絙mfh.bfOffBits锟斤拷远锟斤拷锟斤拷锟斤拷4锟侥憋拷锟斤拷锟斤拷
锟杰斤拷
锟斤拷
锟斤拷锟斤拷锟斤拷锟叫★拷偷锟紻IB锟斤拷锟斤拷锟斤拷要频锟斤拷锟截诧拷锟斤拷图锟斤拷位元锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷锟斤拷示锟斤拷锟角★拷然锟斤拷锟斤拷锟斤拷於达拷锟酵碉拷DIB锟斤拷锟剿硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示效锟杰碉拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷8位元锟斤拷讯锟斤拷示锟斤拷锟较猴拷Windows NT锟斤拷锟斤拷锟铰★拷
锟斤拷锟斤拷锟斤拷使锟斤拷CreateDIBitmap锟斤拷SetDIBits锟斤拷DIB转锟斤拷为DDB锟斤拷锟斤拷锟节ｏ拷锟斤拷示锟斤拷锟斤拷图锟斤拷锟斤拷使锟矫匡拷锟劫碉拷BitBlt锟斤拷StretchBlt锟斤拷式锟斤拷锟斤拷锟斤拷锟剿★拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷直锟接达拷取锟斤拷些锟斤拷装锟斤拷锟睫关碉拷图锟斤拷位元锟斤拷
CreateDIBSection锟斤拷一锟斤拷锟杰好碉拷锟斤拷锟皆凤拷锟斤拷锟斤拷锟斤拷Windows NT锟斤拷通锟斤拷BitBlt锟斤拷StretchBlt使锟矫碉拷锟斤拷图锟斤拷锟脚憋拷使锟斤拷SetDIBitsToDevice锟斤拷StretchDIBits锟斤拷锟斤拷没锟斤拷DDB锟斤拷缺锟捷ｏ拷锟斤拷玫锟斤拷锟斤拷玫锟叫э拷堋锟斤拷锟斤拷锟饺伙拷锟斤拷源锟饺IB图锟斤拷位元锟斤拷
锟斤拷一锟铰ｏ拷锟斤拷锟斤拷锟桔★拷Windows锟斤拷色锟教癸拷锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟教斤拷锟斤拷锟�