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The EMRMASKBLT structure contains members for the MaskBlt
enhanced metafile record. Note that graphics device interface (GDI)
converts the device-dependent bitmap into a device-independent bitmap (DIB)
before storing it in the metafile record.
typedef struct tagEMRMASKBLT
{
EMR emr;
RECTL rclBounds;
LONG xDest;
LONG yDest;
LONG cxDest;
LONG cyDest;
DWORD dwRop;
LONG xSrc;
LONG ySrc;
XFORM xformSrc;
COLORREF crBkColorSrc;
DWORD iUsageSrc;
DWORD offBmiSrc;
DWORD cbBmiSrc;
DWORD offBitsSrc;
DWORD cbBitsSrc;
LONG xMask;
LONG yMask;
DWORD iUsageMask;
DWORD offBmiMask;
DWORD cbBmiMask;
DWORD offBitsMask;
DWORD cbBitsMask;
} EMRMASKBLT, *PEMRMASKBLT;
Members
-
emr
-
Base structure for all record types.
-
rclBounds
-
Bounding rectangle, in device units.
-
xDest
-
Logical x-coordinate of the upper-left corner of the destination rectangle.
-
yDest
-
Logical y-coordinate of the upper-left corner of the destination rectangle.
-
cxDest
-
Logical width of destination rectangle
-
cyDest
-
Logical height of destination rectangle
-
dwRop
-
Raster-operation code. These codes define how the color data of the source
rectangle is to be combined with the color data of the destination rectangle
to achieve the final color.
-
xSrc
-
Logical x-coordinate of the upper-left corner of the source rectangle.
-
ySrc
-
Logical y-coordinate of the upper-left corner of the source rectangle.
-
xformSrc
-
World-space to page-space transformation of the source device context.
-
crBkColorSrc
-
Background color (the RGB value) of the source device context.
-
iUsageSrc
-
Value of the bmiColors member of the source BITMAPINFO
structure. The iUsageSrc member can be either the DIB_PAL_COLORS,
DIB_PAL_INDICES, or DIB_RGB_COLORS value.
-
offBmiSrc
-
Offset to source BITMAPINFO structure.
-
cbBmiSrc
-
Size of source BITMAPINFO structure.
-
offBitsSrc
-
Offset to source bitmap bits.
-
cbBitsSrc
-
Size of source bitmap bits.
-
xMask
-
Horizontal pixel offset into mask bitmap
-
yMask
-
Vertical pixel offset into mask bitmap
-
iUsageMask
-
Value of the bmiColors member of the mask BITMAPINFO
structure.
-
offBmiMask
-
Offset to mask BITMAPINFO structure.
-
cbBmiMask
-
Size of mask BITMAPINFO structure.
-
offBitsMask
-
Offset to mask bitmap bits.
-
cbBitsMask
-
Size of mask bitmap bits.
See Also
BITMAPINFO, MaskBlt,
RGB
file: /Techref/os/win/api/win32/struc/src/str05_13.htm, 4KB, , updated: 2000/4/7 12:20, local time: 2024/8/19 21:48,
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