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konfyt 2001-12-16
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TOP
c_z_y 2001-08-15
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StretchBlt到一个内存DC然后GetDibBits即可。
sanjiang 2001-08-15
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up
horsehorse 2001-08-15
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cdc::SelectObject
sanjiang 2001-08-15
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不好意思,如何将Bitmap写入DC?
sanjiang 2001-08-14
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能给我一个此功能的函数吗
zjzbuaa 2001-08-14
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只能手写函数,按照比例取向素值，加权取值
MSXP2 2001-08-14
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用VB，
Picture1.savepicture(.........)
Picture1.savepicture(.........)
emmai 2001-08-14
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缩放以后存成文件
sanjiang 2001-08-14
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我是要保存缩小后的位图的
111222 2001-08-14
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BOOL StretchBlt(
HDC hdcDest, // handle to destination device context
int nXOriginDest, // x-coordinate of upper-left corner of dest. rectangle
int nYOriginDest, // y-coordinate of upper-left corner of dest. rectangle
int nWidthDest, // width of destination rectangle
int nHeightDest, // height of destination rectangle
HDC hdcSrc, // handle to source device context
int nXOriginSrc, // x-coordinate of upper-left corner of source rectangle
int nYOriginSrc, // y-coordinate of upper-left corner of source rectangle
int nWidthSrc, // width of source rectangle
int nHeightSrc, // height of source rectangle
DWORD dwRop // raster operation code
);
HDC hdcDest, // handle to destination device context
int nXOriginDest, // x-coordinate of upper-left corner of dest. rectangle
int nYOriginDest, // y-coordinate of upper-left corner of dest. rectangle
int nWidthDest, // width of destination rectangle
int nHeightDest, // height of destination rectangle
HDC hdcSrc, // handle to source device context
int nXOriginSrc, // x-coordinate of upper-left corner of source rectangle
int nYOriginSrc, // y-coordinate of upper-left corner of source rectangle
int nWidthSrc, // width of source rectangle
int nHeightSrc, // height of source rectangle
DWORD dwRop // raster operation code
);
