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1912 lines
51 KiB
1912 lines
51 KiB
/*****************************************************************************
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*
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* bitmaps - Entry points for Win32 to Win 16 converter
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*
|
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* History:
|
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* Sep 1992 -by- Hock San Lee [hockl]
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* Big rewrite.
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*
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* Copyright 1991 Microsoft Corp
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*****************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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HDC hdcMakeCompatibleDC(LPXFORM lpxform);
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HBITMAP CreateMonoDib(LPBITMAPINFO pbmi, CONST BYTE * pjBits, UINT iUsage);
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|
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BOOL bEmitBitmap(PLOCALDC pLocalDC, HBITMAP hbm,
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LONG xDst, LONG yDst, LONG cxDst, LONG cyDst,
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LONG xSrc, LONG ySrc, LONG cxSrc, LONG cySrc, DWORD rop);
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|
|
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#define ABS(A) ((A) < 0 ? (-(A)) : (A))
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|
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BOOL APIENTRY DoStretchBltAlt
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(
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PLOCALDC pLocalDC,
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LONG xDst,
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LONG yDst,
|
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LONG cxDst,
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LONG cyDst,
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DWORD rop,
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LONG xSrc,
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LONG ySrc,
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LONG cxSrc,
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LONG cySrc,
|
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HDC hdcSrc,
|
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HBITMAP hbmSrc,
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PXFORM pxformSrc
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);
|
|
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BOOL APIENTRY DoRotatedStretchBlt
|
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(
|
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PLOCALDC pLocalDC,
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LONG xDst,
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LONG yDst,
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LONG cxDst,
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LONG cyDst,
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DWORD rop,
|
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LONG xSrc,
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LONG ySrc,
|
|
LONG cxSrc,
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LONG cySrc,
|
|
PXFORM pxformSrc,
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DWORD iUsageSrc,
|
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PBITMAPINFO lpBitmapInfo,
|
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DWORD cbBitmapInfo,
|
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LPBYTE lpBits
|
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);
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|
|
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BOOL APIENTRY DoMaskBltNoSrc
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(
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PLOCALDC pLocalDC,
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LONG xDst,
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|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
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DWORD rop4,
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PXFORM pxformSrc,
|
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LONG xMask,
|
|
LONG yMask,
|
|
DWORD iUsageMask,
|
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PBITMAPINFO lpBitmapInfoMask,
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DWORD cbBitmapInfoMask,
|
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LPBYTE lpBitsMask,
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DWORD cbBitsMask
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);
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|
|
|
|
|
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/***************************************************************************
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* SetDIBitsToDevice - Win32 to Win16 Metafile Converter Entry Point
|
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*
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* CR2: Notes...
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* The xDib, yDib, cxDib, & cyDib are in device units. These must be
|
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* converted to logical units for the stretchblt.
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**************************************************************************/
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BOOL APIENTRY DoSetDIBitsToDevice
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(
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PLOCALDC pLocalDC,
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LONG xDst,
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LONG yDst,
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LONG xDib,
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LONG yDib,
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LONG cxDib,
|
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LONG cyDib,
|
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DWORD iUsage,
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DWORD iStartScan,
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DWORD cScans,
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LPBITMAPINFO lpBitmapInfo,
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DWORD cbBitmapInfo,
|
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LPBYTE lpBits,
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DWORD cbBits
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)
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{
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BOOL b ;
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LPBITMAPINFO pbmi;
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POINTL ptlDst;
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RECTL rclDst;
|
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LONG height;
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b = FALSE;
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if (!cbBitmapInfo)
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return(FALSE);
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|
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// Adjust the height of the bitmap we're going to Blt.
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|
pbmi = (LPBITMAPINFO) LocalAlloc(LMEM_FIXED, cbBitmapInfo);
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if (pbmi == (LPBITMAPINFO) NULL)
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|
goto dsdbd_exit;
|
|
|
|
RtlCopyMemory(pbmi, lpBitmapInfo, cbBitmapInfo);
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pbmi->bmiHeader.biHeight = cScans;
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pbmi->bmiHeader.biSizeImage = cbBits;
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|
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// We will convert it into a StretchBlt call. But first we have to
|
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// transform the destination rectangle. In SetDIBitsToDevice, the destination
|
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// rectangle is in device units but in StretchBlt, it is in logical units.
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|
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// Transform the destination origin to the device units on the original device.
|
|
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ptlDst.x = xDst;
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ptlDst.y = yDst;
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if (!bXformRWorldToRDev(pLocalDC, &ptlDst, 1))
|
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goto dsdbd_exit;
|
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|
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// Transform the destination rectangle to record time world coordinates.
|
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|
rclDst.left = ptlDst.x;
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rclDst.top = ptlDst.y;
|
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rclDst.right = ptlDst.x + cxDib;
|
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rclDst.bottom = ptlDst.y + cyDib;
|
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if (!bXformRDevToRWorld(pLocalDC, (PPOINTL) &rclDst, 2))
|
|
goto dsdbd_exit;
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|
|
|
// WINBUG #99421 4-17-2000 bhouse Top-Down DIBs are not supported properly
|
|
// We need to check for negative heights and adjust appropriately
|
|
height = ABS(pbmi->bmiHeader.biHeight);
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|
|
|
b = DoStretchBlt
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|
(
|
|
pLocalDC,
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rclDst.left,
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|
rclDst.top,
|
|
rclDst.right - rclDst.left,
|
|
rclDst.bottom - rclDst.top,
|
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SRCCOPY,
|
|
xDib,
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|
// dib to bitmap units
|
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height - yDib - cyDib + (LONG) iStartScan,
|
|
cxDib,
|
|
cyDib,
|
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&xformIdentity, // source is in device units
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iUsage,
|
|
pbmi,
|
|
cbBitmapInfo,
|
|
lpBits,
|
|
cbBits
|
|
);
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|
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|
dsdbd_exit:
|
|
if (pbmi)
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|
LocalFree(pbmi);
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|
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|
return(b);
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|
}
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|
|
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/***************************************************************************
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* StretchDIBits - Win32 to Win16 Metafile Converter Entry Point
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**************************************************************************/
|
|
BOOL APIENTRY DoStretchDIBits
|
|
(
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|
PLOCALDC pLocalDC,
|
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LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
DWORD rop,
|
|
LONG xDib,
|
|
LONG yDib,
|
|
LONG cxDib,
|
|
LONG cyDib,
|
|
DWORD iUsage,
|
|
LPBITMAPINFO lpBitmapInfo,
|
|
DWORD cbBitmapInfo,
|
|
LPBYTE lpBits,
|
|
DWORD cbBits
|
|
)
|
|
{
|
|
BOOL b ;
|
|
LONG height;
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|
|
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// WINBUG #99421 4-17-2000 bhouse Top-Down DIBs are not supported properly
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|
// We need to check for negative heights and adjust appropriately
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height = ABS(lpBitmapInfo->bmiHeader.biHeight);
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b = DoStretchBlt
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|
(
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|
pLocalDC,
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xDst,
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yDst,
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cxDst,
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|
cyDst,
|
|
rop,
|
|
xDib,
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ISSOURCEINROP3(rop)
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// dib to bitmap units
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? height - yDib - cyDib
|
|
: 0,
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|
cxDib,
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|
cyDib,
|
|
&xformIdentity, // source is in device units
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iUsage,
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lpBitmapInfo,
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|
cbBitmapInfo,
|
|
lpBits,
|
|
cbBits
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|
);
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|
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|
return(b) ;
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|
}
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|
|
|
|
/***************************************************************************
|
|
* StretchBltAlt
|
|
**************************************************************************/
|
|
BOOL APIENTRY DoStretchBltAlt
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
DWORD rop,
|
|
LONG xSrc,
|
|
LONG ySrc,
|
|
LONG cxSrc,
|
|
LONG cySrc,
|
|
HDC hdcSrc,
|
|
HBITMAP hbmSrc,
|
|
PXFORM pxformSrc
|
|
)
|
|
{
|
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BITMAPINFOHEADER bmih;
|
|
DWORD cbBitmapInfo;
|
|
LPBITMAPINFO lpBitmapInfo;
|
|
DWORD cbBits;
|
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LPBYTE lpBits;
|
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BOOL b;
|
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b = FALSE;
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lpBitmapInfo = (LPBITMAPINFO) NULL;
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lpBits = (LPBYTE) NULL;
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if (!ISSOURCEINROP3(rop))
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return
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(
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DoStretchBlt
|
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(
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|
pLocalDC,
|
|
xDst,
|
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yDst,
|
|
cxDst,
|
|
cyDst,
|
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rop,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
(PXFORM) NULL,
|
|
0,
|
|
(PBITMAPINFO) NULL,
|
|
0,
|
|
(LPBYTE) NULL,
|
|
0
|
|
)
|
|
);
|
|
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bmih.biSize = sizeof(BITMAPINFOHEADER);
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bmih.biBitCount = 0; // don't fill in color table
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|
bmih.biCompression = BI_RGB;
|
|
|
|
if (!GetDIBits(hdcSrc,
|
|
hbmSrc,
|
|
0,
|
|
0,
|
|
(LPBYTE) NULL,
|
|
(LPBITMAPINFO) &bmih,
|
|
DIB_RGB_COLORS))
|
|
goto dsba_exit;
|
|
|
|
// Compute size of the bitmap info with color table.
|
|
|
|
cbBitmapInfo= sizeof(BITMAPINFOHEADER);
|
|
if (bmih.biBitCount == 16 || bmih.biBitCount == 32)
|
|
cbBitmapInfo += 3 * sizeof(DWORD);
|
|
else if (bmih.biClrUsed)
|
|
cbBitmapInfo += bmih.biClrUsed * sizeof(RGBQUAD);
|
|
else if (bmih.biBitCount < 16)
|
|
cbBitmapInfo += (1 << bmih.biBitCount) * sizeof(RGBQUAD);
|
|
|
|
// Compute size of the buffer required for bitmap bits.
|
|
|
|
if (bmih.biSizeImage)
|
|
cbBits = bmih.biSizeImage;
|
|
else
|
|
cbBits = CJSCAN(bmih.biWidth,bmih.biPlanes, bmih.biBitCount) *
|
|
ABS(bmih.biHeight);
|
|
|
|
lpBitmapInfo = (LPBITMAPINFO) LocalAlloc(LMEM_FIXED, cbBitmapInfo);
|
|
if (lpBitmapInfo == (LPBITMAPINFO) NULL)
|
|
goto dsba_exit;
|
|
|
|
lpBits = (LPBYTE) LocalAlloc(LMEM_FIXED, cbBits);
|
|
if (lpBits == (LPBYTE) NULL)
|
|
goto dsba_exit;
|
|
|
|
// Get bitmap info and bits.
|
|
|
|
*(PBITMAPINFOHEADER) lpBitmapInfo = bmih;
|
|
|
|
if (!GetDIBits(hdcSrc,
|
|
hbmSrc,
|
|
0,
|
|
(UINT) bmih.biHeight,
|
|
lpBits,
|
|
lpBitmapInfo,
|
|
DIB_RGB_COLORS))
|
|
goto dsba_exit;
|
|
|
|
// Call DoStretchBlt.
|
|
|
|
b = DoStretchBlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
rop,
|
|
xSrc,
|
|
ySrc,
|
|
cxSrc,
|
|
cySrc,
|
|
pxformSrc,
|
|
DIB_RGB_COLORS,
|
|
lpBitmapInfo,
|
|
cbBitmapInfo,
|
|
lpBits,
|
|
cbBits
|
|
);
|
|
|
|
dsba_exit:
|
|
if (lpBitmapInfo)
|
|
LocalFree((HANDLE) lpBitmapInfo);
|
|
if (lpBits)
|
|
LocalFree((HANDLE) lpBits);
|
|
|
|
return(b);
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* StretchBlt - Win32 to Win16 Metafile Converter Entry Point
|
|
**************************************************************************/
|
|
BOOL APIENTRY DoStretchBlt
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
DWORD rop,
|
|
LONG xSrc,
|
|
LONG ySrc,
|
|
LONG cxSrc,
|
|
LONG cySrc,
|
|
PXFORM pxformSrc,
|
|
DWORD iUsageSrc,
|
|
PBITMAPINFO lpBitmapInfo,
|
|
DWORD cbBitmapInfo,
|
|
LPBYTE lpBits,
|
|
DWORD cbBits
|
|
)
|
|
{
|
|
BOOL b;
|
|
RECTL rclDst,
|
|
rclSrc;
|
|
|
|
// Handle strange destination transform separately.
|
|
|
|
if (pLocalDC->flags & STRANGE_XFORM)
|
|
return
|
|
(
|
|
DoRotatedStretchBlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
rop,
|
|
xSrc,
|
|
ySrc,
|
|
cxSrc,
|
|
cySrc,
|
|
pxformSrc,
|
|
iUsageSrc,
|
|
lpBitmapInfo,
|
|
cbBitmapInfo,
|
|
lpBits
|
|
)
|
|
);
|
|
|
|
// Do stretchblt with a simple destination transform.
|
|
|
|
// Translate the dest rectangle
|
|
|
|
rclDst.left = xDst;
|
|
rclDst.top = yDst;
|
|
rclDst.right = xDst + cxDst;
|
|
rclDst.bottom = yDst + cyDst;
|
|
if (!bXformRWorldToPPage(pLocalDC, (PPOINTL) &rclDst, 2))
|
|
return(FALSE);
|
|
|
|
// Handle stretchblt without source
|
|
|
|
if (!ISSOURCEINROP3(rop))
|
|
{
|
|
// Emit the Win16 metafile record.
|
|
|
|
b = bEmitWin16BitBltNoSrc(pLocalDC,
|
|
(SHORT) rclDst.left,
|
|
(SHORT) rclDst.top,
|
|
(SHORT) (rclDst.right - rclDst.left),
|
|
(SHORT) (rclDst.bottom - rclDst.top),
|
|
rop);
|
|
return(b);
|
|
}
|
|
|
|
// Handle stretchblt with source
|
|
|
|
// Note: Both Win32 and Win16 DIB Bitmaps are DWord aligned.
|
|
|
|
// Make sure the source xform is valid.
|
|
// The source is not allowed to have a rotation or shear.
|
|
|
|
if (bRotationTest(pxformSrc) == TRUE)
|
|
{
|
|
RIP("MF3216: DoStretchBlt - Invalid source xform\n");
|
|
SetLastError(ERROR_INVALID_DATA);
|
|
return(FALSE);
|
|
}
|
|
|
|
// Translate the source rectangle. Win3.1 assumes that the
|
|
// source rectangle is in bitmap units.
|
|
|
|
rclSrc.left = xSrc;
|
|
rclSrc.top = ySrc;
|
|
rclSrc.right = xSrc + cxSrc;
|
|
rclSrc.bottom = ySrc + cySrc;
|
|
if (!bXformWorkhorse((PPOINTL) &rclSrc, 2, pxformSrc))
|
|
return(FALSE);
|
|
|
|
// The win3.1 StretchBlt metafile record only accepts win3.1 standard
|
|
// bitmap with DIB_RGB_COLORS usage. If this is not the case, we have
|
|
// to convert it to a standard bitmap.
|
|
|
|
if (iUsageSrc != DIB_RGB_COLORS
|
|
|| lpBitmapInfo->bmiHeader.biPlanes != 1
|
|
|| !(lpBitmapInfo->bmiHeader.biBitCount == 1
|
|
|| lpBitmapInfo->bmiHeader.biBitCount == 4
|
|
|| lpBitmapInfo->bmiHeader.biBitCount == 8
|
|
|| lpBitmapInfo->bmiHeader.biBitCount == 24)
|
|
|| lpBitmapInfo->bmiHeader.biCompression != BI_RGB)
|
|
{
|
|
HBITMAP hbmSrc;
|
|
DWORD fdwInit;
|
|
|
|
b = FALSE;
|
|
hbmSrc = (HBITMAP) 0;
|
|
|
|
if( ( lpBitmapInfo->bmiHeader.biCompression == BI_RGB ) ||
|
|
( lpBitmapInfo->bmiHeader.biCompression == BI_BITFIELDS ) )
|
|
{
|
|
fdwInit = CBM_INIT | CBM_CREATEDIB;
|
|
}
|
|
else
|
|
{
|
|
fdwInit = CBM_INIT;
|
|
}
|
|
|
|
// Create the source bitmap.
|
|
// Use the helper DC in CreateDIBitmap so that the colors get bind correctly.
|
|
|
|
if (!(hbmSrc = CreateDIBitmap(
|
|
pLocalDC->hdcHelper,
|
|
(LPBITMAPINFOHEADER) lpBitmapInfo,
|
|
fdwInit,
|
|
lpBits,
|
|
lpBitmapInfo,
|
|
(UINT) iUsageSrc)))
|
|
goto dsb_internal_exit;
|
|
|
|
// Emit the bitmap.
|
|
|
|
b = bEmitBitmap(pLocalDC,
|
|
hbmSrc,
|
|
rclDst.left,
|
|
rclDst.top,
|
|
rclDst.right - rclDst.left,
|
|
rclDst.bottom - rclDst.top,
|
|
rclSrc.left,
|
|
rclSrc.top,
|
|
rclSrc.right - rclSrc.left,
|
|
rclSrc.bottom - rclSrc.top,
|
|
rop);
|
|
|
|
dsb_internal_exit:
|
|
if (hbmSrc)
|
|
DeleteObject(hbmSrc);
|
|
}
|
|
else
|
|
{
|
|
// Handle the standard formats.
|
|
|
|
// Emit a Win16 metafile record.
|
|
|
|
// Recalculate size of bitmap info with color
|
|
// table to trim any extra data that wouldn't
|
|
// be skipped properly during playback.
|
|
|
|
cbBitmapInfo = lpBitmapInfo->bmiHeader.biSize;
|
|
|
|
if (lpBitmapInfo->bmiHeader.biClrUsed <= 256)
|
|
cbBitmapInfo += lpBitmapInfo->bmiHeader.biClrUsed * sizeof(RGBQUAD);
|
|
else if (lpBitmapInfo->bmiHeader.biBitCount < 16)
|
|
cbBitmapInfo += (1 << lpBitmapInfo->bmiHeader.biBitCount) * sizeof(RGBQUAD);
|
|
|
|
b = bEmitWin16StretchBlt(pLocalDC,
|
|
(SHORT) rclDst.left,
|
|
(SHORT) rclDst.top,
|
|
(SHORT) (rclDst.right - rclDst.left),
|
|
(SHORT) (rclDst.bottom - rclDst.top),
|
|
(SHORT) rclSrc.left,
|
|
(SHORT) rclSrc.top,
|
|
(SHORT) (rclSrc.right - rclSrc.left),
|
|
(SHORT) (rclSrc.bottom - rclSrc.top),
|
|
rop,
|
|
lpBitmapInfo,
|
|
cbBitmapInfo,
|
|
lpBits,
|
|
cbBits);
|
|
}
|
|
|
|
return(b);
|
|
}
|
|
|
|
BOOL APIENTRY DoRotatedStretchBlt
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
DWORD rop,
|
|
LONG xSrc,
|
|
LONG ySrc,
|
|
LONG cxSrc,
|
|
LONG cySrc,
|
|
PXFORM pxformSrc,
|
|
DWORD iUsageSrc,
|
|
PBITMAPINFO lpBitmapInfo,
|
|
DWORD cbBitmapInfo,
|
|
LPBYTE lpBits
|
|
)
|
|
{
|
|
BOOL b;
|
|
POINTL aptlDst[4];
|
|
RECTL rclBndDst;
|
|
HDC hdcShadow, hdcSrc;
|
|
HBITMAP hbmShadow, hbmShadowOld, hbmSrc, hbmSrcOld;
|
|
PBITMAPINFO pbmiShadow;
|
|
|
|
b = FALSE;
|
|
hdcShadow = hdcSrc = (HDC) 0;
|
|
hbmShadow = hbmShadowOld = hbmSrc = hbmSrcOld = (HBITMAP) 0;
|
|
pbmiShadow = (PBITMAPINFO) NULL;
|
|
|
|
// First, compute the bounds of the destination rectangle.
|
|
|
|
aptlDst[0].x = xDst;
|
|
aptlDst[0].y = yDst;
|
|
aptlDst[1].x = xDst + cxDst;
|
|
aptlDst[1].y = yDst;
|
|
aptlDst[2].x = xDst + cxDst;
|
|
aptlDst[2].y = yDst + cyDst;
|
|
aptlDst[3].x = xDst;
|
|
aptlDst[3].y = yDst + cyDst;
|
|
|
|
if (!bXformRWorldToPPage(pLocalDC, aptlDst, 4))
|
|
goto drsb_exit;
|
|
|
|
rclBndDst.left = min(aptlDst[0].x,min(aptlDst[1].x,min(aptlDst[2].x,aptlDst[3].x)));
|
|
rclBndDst.top = min(aptlDst[0].y,min(aptlDst[1].y,min(aptlDst[2].y,aptlDst[3].y)));
|
|
rclBndDst.right = max(aptlDst[0].x,max(aptlDst[1].x,max(aptlDst[2].x,aptlDst[3].x)));
|
|
rclBndDst.bottom = max(aptlDst[0].y,max(aptlDst[1].y,max(aptlDst[2].y,aptlDst[3].y)));
|
|
|
|
// Prepare the source if any.
|
|
|
|
if (ISSOURCEINROP3(rop))
|
|
{
|
|
// Create a compatible shadow DC with the destination transform.
|
|
|
|
if (!(hdcShadow = hdcMakeCompatibleDC(&pLocalDC->xformRWorldToPPage)))
|
|
goto drsb_exit;
|
|
|
|
// Create a shadow bitmap the size of the destination rectangle bounds.
|
|
// Use the helper DC in CreateDIBitmap so that the colors get bind correctly.
|
|
|
|
pbmiShadow = (PBITMAPINFO) LocalAlloc(LMEM_FIXED, cbBitmapInfo);
|
|
if (pbmiShadow == (PBITMAPINFO) NULL)
|
|
goto drsb_exit;
|
|
RtlCopyMemory(pbmiShadow, lpBitmapInfo, cbBitmapInfo);
|
|
pbmiShadow->bmiHeader.biWidth = rclBndDst.right - rclBndDst.left;
|
|
pbmiShadow->bmiHeader.biHeight = rclBndDst.bottom - rclBndDst.top;
|
|
pbmiShadow->bmiHeader.biSizeImage = 0;
|
|
if (!(hbmShadow = CreateDIBitmap(pLocalDC->hdcHelper,
|
|
(LPBITMAPINFOHEADER) pbmiShadow, CBM_CREATEDIB,
|
|
(LPBYTE) NULL, pbmiShadow, iUsageSrc)))
|
|
goto drsb_exit;
|
|
|
|
// Select the bitmap.
|
|
|
|
if (!(hbmShadowOld = (HBITMAP) SelectObject(hdcShadow, hbmShadow)))
|
|
goto drsb_exit;
|
|
|
|
// Create a compatible source DC with the given source transform.
|
|
|
|
if (!(hdcSrc = hdcMakeCompatibleDC(pxformSrc)))
|
|
goto drsb_exit;
|
|
|
|
// Create the source bitmap.
|
|
// Use the helper DC in CreateDIBitmap so that the colors get bind correctly.
|
|
|
|
if (!(hbmSrc = CreateDIBitmap(pLocalDC->hdcHelper,
|
|
(LPBITMAPINFOHEADER) lpBitmapInfo,
|
|
CBM_INIT | CBM_CREATEDIB,
|
|
lpBits,
|
|
(LPBITMAPINFO) lpBitmapInfo,
|
|
(UINT) iUsageSrc)))
|
|
goto drsb_exit;
|
|
|
|
// Select the bitmap.
|
|
|
|
if (!(hbmSrcOld = (HBITMAP) SelectObject(hdcSrc, hbmSrc)))
|
|
goto drsb_exit;
|
|
|
|
// Set up the viewport origin of the shadow DC so that the destination
|
|
// rectangle will map into coordinates within the shadow bitmap.
|
|
|
|
OffsetViewportOrgEx(hdcShadow, (int) -rclBndDst.left,
|
|
(int) -rclBndDst.top, (LPPOINT) NULL);
|
|
|
|
// Stretch the source to the shadow.
|
|
|
|
if (!StretchBlt
|
|
(
|
|
hdcShadow,
|
|
(int) xDst,
|
|
(int) yDst,
|
|
(int) cxDst,
|
|
(int) cyDst,
|
|
hdcSrc,
|
|
(int) xSrc,
|
|
(int) ySrc,
|
|
(int) cxSrc,
|
|
(int) cySrc,
|
|
SRCCOPY
|
|
)
|
|
)
|
|
goto drsb_exit;
|
|
|
|
// Deselect the shadow bitmap.
|
|
|
|
if (!SelectObject(hdcShadow, hbmShadowOld))
|
|
goto drsb_exit;
|
|
|
|
}
|
|
|
|
// Save the DC so that we can restore the clipping when we are done
|
|
|
|
if (!DoSaveDC(pLocalDC))
|
|
goto drsb_exit;
|
|
|
|
// Set up the clipping rectangle on the destination.
|
|
|
|
if (!DoClipRect(pLocalDC, xDst, yDst,
|
|
xDst + cxDst, yDst + cyDst, EMR_INTERSECTCLIPRECT))
|
|
{
|
|
(void) DoRestoreDC(pLocalDC, -1);
|
|
goto drsb_exit;
|
|
}
|
|
|
|
// Blt the shadow to the destination.
|
|
|
|
// Emit a Win16 metafile record.
|
|
|
|
if (ISSOURCEINROP3(rop))
|
|
b = bEmitBitmap(pLocalDC,
|
|
hbmShadow,
|
|
rclBndDst.left,
|
|
rclBndDst.top,
|
|
rclBndDst.right - rclBndDst.left,
|
|
rclBndDst.bottom - rclBndDst.top,
|
|
0,
|
|
0,
|
|
rclBndDst.right - rclBndDst.left,
|
|
rclBndDst.bottom - rclBndDst.top,
|
|
rop);
|
|
else
|
|
b = bEmitWin16BitBltNoSrc(pLocalDC,
|
|
(SHORT) rclBndDst.left,
|
|
(SHORT) rclBndDst.top,
|
|
(SHORT) (rclBndDst.right - rclBndDst.left),
|
|
(SHORT) (rclBndDst.bottom - rclBndDst.top),
|
|
rop);
|
|
|
|
// Restore the clipping region.
|
|
|
|
(void) DoRestoreDC(pLocalDC, -1);
|
|
|
|
// Cleanup
|
|
|
|
drsb_exit:
|
|
|
|
if (hbmShadowOld)
|
|
SelectObject(hdcShadow, hbmShadowOld);
|
|
if (hbmShadow)
|
|
DeleteObject(hbmShadow);
|
|
if (hdcShadow)
|
|
DeleteDC(hdcShadow);
|
|
|
|
if (hbmSrcOld)
|
|
SelectObject(hdcSrc, hbmSrcOld);
|
|
if (hbmSrc)
|
|
DeleteObject(hbmSrc);
|
|
if (hdcSrc)
|
|
DeleteDC(hdcSrc);
|
|
|
|
if (pbmiShadow)
|
|
LocalFree((HANDLE) pbmiShadow);
|
|
return(b);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* hdcMakeCompatibleDC
|
|
* Create a compatible DC with the given transform.
|
|
****************************************************************************/
|
|
HDC hdcMakeCompatibleDC(LPXFORM lpxform)
|
|
{
|
|
HDC hdc;
|
|
|
|
hdc = CreateCompatibleDC((HDC) 0);
|
|
if(hdc == 0)
|
|
{
|
|
RIP("MF3216: hdcMakeCompatibleDC, CreateCompatibleDC failed\n");
|
|
return (HDC)0;
|
|
}
|
|
|
|
// Must be in the advanced graphics mode to modify the world transform.
|
|
|
|
SetGraphicsMode(hdc, GM_ADVANCED);
|
|
|
|
// Set the transform.
|
|
|
|
if (!SetWorldTransform(hdc, lpxform))
|
|
{
|
|
DeleteDC(hdc);
|
|
RIP("MF3216: hdcMakeCompatibleDC, SetWorldTransform failed\n");
|
|
return((HDC) 0);
|
|
}
|
|
|
|
return(hdc);
|
|
}
|
|
|
|
/***************************************************************************
|
|
* bEmitBitmap
|
|
**************************************************************************/
|
|
BOOL bEmitBitmap
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
HBITMAP hbm,
|
|
LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
LONG xSrc,
|
|
LONG ySrc,
|
|
LONG cxSrc,
|
|
LONG cySrc,
|
|
DWORD rop
|
|
)
|
|
{
|
|
BITMAPINFOHEADER bmih;
|
|
DWORD cbBitmapInfo;
|
|
LPBITMAPINFO lpBitmapInfo;
|
|
DWORD cbBits;
|
|
LPBYTE lpBits;
|
|
BOOL b;
|
|
|
|
b = FALSE;
|
|
lpBitmapInfo = (LPBITMAPINFO) NULL;
|
|
lpBits = (LPBYTE) NULL;
|
|
|
|
bmih.biSize = sizeof(BITMAPINFOHEADER);
|
|
bmih.biBitCount = 0; // don't fill in color table
|
|
bmih.biCompression = BI_RGB;
|
|
if (!GetDIBits(pLocalDC->hdcHelper, hbm, 0, 0,
|
|
(LPBYTE) NULL, (LPBITMAPINFO) &bmih, DIB_RGB_COLORS))
|
|
goto eb_exit;
|
|
|
|
// Compute size of the bitmap info with color table.
|
|
|
|
cbBitmapInfo= sizeof(BITMAPINFOHEADER);
|
|
if (bmih.biPlanes != 1 || bmih.biBitCount == 16 || bmih.biBitCount == 32)
|
|
{
|
|
bmih.biPlanes = 1;
|
|
bmih.biBitCount = 24;
|
|
bmih.biCompression = BI_RGB;
|
|
bmih.biSizeImage = 0;
|
|
bmih.biClrUsed = 0;
|
|
bmih.biClrImportant = 0;
|
|
}
|
|
else if (bmih.biClrUsed)
|
|
cbBitmapInfo += bmih.biClrUsed * sizeof(RGBQUAD);
|
|
else if (bmih.biBitCount < 16)
|
|
cbBitmapInfo += (1 << bmih.biBitCount) * sizeof(RGBQUAD);
|
|
|
|
// Compute size of the buffer required for bitmap bits.
|
|
|
|
if (bmih.biSizeImage)
|
|
cbBits = bmih.biSizeImage;
|
|
else
|
|
cbBits = CJSCAN(bmih.biWidth,bmih.biPlanes, bmih.biBitCount) *
|
|
ABS(bmih.biHeight);
|
|
|
|
lpBitmapInfo = (LPBITMAPINFO) LocalAlloc(LMEM_FIXED, cbBitmapInfo);
|
|
if (lpBitmapInfo == (LPBITMAPINFO) NULL)
|
|
goto eb_exit;
|
|
|
|
lpBits = (LPBYTE) LocalAlloc(LMEM_FIXED, cbBits);
|
|
if (lpBits == (LPBYTE) NULL)
|
|
goto eb_exit;
|
|
|
|
// Get bitmap info and bits.
|
|
|
|
*(PBITMAPINFOHEADER) lpBitmapInfo = bmih;
|
|
|
|
if (!GetDIBits(pLocalDC->hdcHelper,
|
|
hbm,
|
|
0,
|
|
(UINT) ABS(bmih.biHeight),
|
|
lpBits,
|
|
lpBitmapInfo,
|
|
DIB_RGB_COLORS))
|
|
goto eb_exit;
|
|
|
|
// Emit the metafile record.
|
|
|
|
b = bEmitWin16StretchBlt(pLocalDC,
|
|
(SHORT) xDst,
|
|
(SHORT) yDst,
|
|
(SHORT) cxDst,
|
|
(SHORT) cyDst,
|
|
(SHORT) xSrc,
|
|
(SHORT) ySrc,
|
|
(SHORT) cxSrc,
|
|
(SHORT) cySrc,
|
|
rop,
|
|
lpBitmapInfo,
|
|
cbBitmapInfo,
|
|
lpBits,
|
|
cbBits);
|
|
eb_exit:
|
|
if (lpBitmapInfo)
|
|
LocalFree((HANDLE) lpBitmapInfo);
|
|
if (lpBits)
|
|
LocalFree((HANDLE) lpBits);
|
|
|
|
return(b);
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* MaskBlt - Win32 to Win16 Metafile Converter Entry Point
|
|
**************************************************************************/
|
|
BOOL APIENTRY DoMaskBlt
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
DWORD rop4,
|
|
LONG xSrc,
|
|
LONG ySrc,
|
|
PXFORM pxformSrc,
|
|
DWORD iUsageSrc,
|
|
PBITMAPINFO lpBitmapInfoSrc,
|
|
DWORD cbBitmapInfoSrc,
|
|
LPBYTE lpBitsSrc,
|
|
DWORD cbBitsSrc,
|
|
LONG xMask,
|
|
LONG yMask,
|
|
DWORD iUsageMask,
|
|
PBITMAPINFO lpBitmapInfoMask,
|
|
DWORD cbBitmapInfoMask,
|
|
LPBYTE lpBitsMask,
|
|
DWORD cbBitsMask
|
|
)
|
|
{
|
|
BOOL b;
|
|
DWORD rop1;
|
|
DWORD rop0;
|
|
HDC hdcMask, hdcSrc;
|
|
HBITMAP hbmMask, hbmMaskOld, hbmSrc, hbmSrcOld;
|
|
RECTL rclMask;
|
|
|
|
b = FALSE;
|
|
hdcMask = hdcSrc = (HDC) 0;
|
|
hbmMask = hbmMaskOld = hbmSrc = hbmSrcOld = (HBITMAP) 0;
|
|
|
|
rop0 = rop4 >> 8; // rop for 0's
|
|
rop1 = rop4 & 0xFF0000; // rop for 1's
|
|
|
|
// If no mask is given, the mask is assumed to contain all 1's.
|
|
// This is equivalent to a BitBlt using the low rop.
|
|
|
|
if (!cbBitmapInfoMask)
|
|
return
|
|
(
|
|
DoStretchBlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
rop1,
|
|
xSrc,
|
|
ySrc,
|
|
cxDst,
|
|
cyDst,
|
|
pxformSrc,
|
|
iUsageSrc,
|
|
lpBitmapInfoSrc,
|
|
cbBitmapInfoSrc,
|
|
lpBitsSrc,
|
|
cbBitsSrc
|
|
)
|
|
);
|
|
|
|
// Handle MaskBlt with no source bitmap.
|
|
|
|
if (!ISSOURCEINROP3(rop4))
|
|
return
|
|
(
|
|
DoMaskBltNoSrc
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
rop4,
|
|
pxformSrc,
|
|
xMask,
|
|
yMask,
|
|
iUsageMask,
|
|
lpBitmapInfoMask,
|
|
cbBitmapInfoMask,
|
|
lpBitsMask,
|
|
cbBitsMask
|
|
)
|
|
);
|
|
|
|
// Create a compatible mask DC.
|
|
|
|
if (!(hdcMask = CreateCompatibleDC((HDC) 0)))
|
|
goto dmb_exit;
|
|
|
|
// Must be in the advanced graphics mode to modify the world transform.
|
|
|
|
SetGraphicsMode(hdcMask, GM_ADVANCED);
|
|
|
|
// Create the mask bitmap.
|
|
// Make it as big as the source and initialize it.
|
|
|
|
// Create the mask bitmap as big as the source bitmap.
|
|
|
|
if (!(hbmMask = CreateBitmap((int) lpBitmapInfoSrc->bmiHeader.biWidth,
|
|
(int) lpBitmapInfoSrc->bmiHeader.biHeight,
|
|
1, 1, (CONST VOID *) NULL)))
|
|
goto dmb_exit;
|
|
|
|
// Select the bitmap.
|
|
|
|
if (!(hbmMaskOld = (HBITMAP) SelectObject(hdcMask, hbmMask)))
|
|
goto dmb_exit;
|
|
|
|
// Initialize the mask bitmap to 0's.
|
|
|
|
if (!PatBlt(hdcMask,0,0,(int) lpBitmapInfoSrc->bmiHeader.biWidth,
|
|
(int) lpBitmapInfoSrc->bmiHeader.biHeight,BLACKNESS))
|
|
goto dmb_exit;
|
|
|
|
// Compute the mask rectangle.
|
|
// The mask bitmap is aligned against the source device rectangle.
|
|
|
|
rclMask.left = xSrc;
|
|
rclMask.top = ySrc;
|
|
rclMask.right = xSrc + cxDst;
|
|
rclMask.bottom = ySrc + cyDst;
|
|
if (!bXformWorkhorse((PPOINTL) &rclMask, 2, pxformSrc))
|
|
goto dmb_exit;
|
|
|
|
if (rclMask.left > rclMask.right)
|
|
rclMask.left = rclMask.right /* + 1 */;// align the mask against the left edge
|
|
|
|
if (rclMask.top > rclMask.bottom)
|
|
rclMask.top = rclMask.bottom /* + 1 */;// align the mask against the top edge
|
|
|
|
// Set the mask bits.
|
|
|
|
if (!StretchDIBits(hdcMask,
|
|
(int) rclMask.left - xMask,
|
|
(int) rclMask.top - yMask,
|
|
(int) lpBitmapInfoMask->bmiHeader.biWidth,
|
|
(int) lpBitmapInfoMask->bmiHeader.biHeight,
|
|
(int) 0,
|
|
(int) 0,
|
|
(int) lpBitmapInfoMask->bmiHeader.biWidth,
|
|
(int) lpBitmapInfoMask->bmiHeader.biHeight,
|
|
(CONST VOID *) lpBitsMask,
|
|
(LPBITMAPINFO) lpBitmapInfoMask,
|
|
(UINT) iUsageMask,
|
|
SRCCOPY))
|
|
goto dmb_exit;
|
|
|
|
// Set the source transform in the mask DC.
|
|
|
|
if (!SetWorldTransform(hdcMask, pxformSrc))
|
|
goto dmb_exit;
|
|
|
|
// Create a compatible source DC with the given source transform.
|
|
|
|
if (!(hdcSrc = hdcMakeCompatibleDC(pxformSrc)))
|
|
goto dmb_exit;
|
|
|
|
// Create the source bitmap.
|
|
// We cannot use CBM_CREATEDIB option here because index 0 does not
|
|
// neccesarily contain black and index 15 or 255 does not have to be white.
|
|
// We need a compatible bitmap that contain the standard color table so
|
|
// that we can perform the following rop operations to emulate the maskblt.
|
|
// Gdi uses rgb colors to perform rop operations in dibs, not color indices!
|
|
// The helper DC is needed to create the compatible format bitmap.
|
|
|
|
if (!(hbmSrc = CreateDIBitmap(pLocalDC->hdcHelper,
|
|
(LPBITMAPINFOHEADER) lpBitmapInfoSrc,
|
|
CBM_INIT,
|
|
lpBitsSrc,
|
|
(LPBITMAPINFO) lpBitmapInfoSrc,
|
|
(UINT) iUsageSrc)))
|
|
goto dmb_exit;
|
|
|
|
// Select the bitmap.
|
|
|
|
if (!(hbmSrcOld = (HBITMAP) SelectObject(hdcSrc, hbmSrc)))
|
|
goto dmb_exit;
|
|
|
|
// We need to handle the low rop (mask bit 1) and high rop (mask bit 0)
|
|
// separately. For each rop, we need to go through two passes.
|
|
//
|
|
// For the low rop (mask bit 1), we use the following rop table:
|
|
//
|
|
// P S D | R1 R2
|
|
// ------+--------
|
|
// 0 0 0 | 0 x
|
|
// 0 0 1 | 1 x
|
|
// 0 1 0 | x 0
|
|
// 0 1 1 | x 1
|
|
// 1 0 0 | 0 x
|
|
// 1 0 1 | 1 x
|
|
// 1 1 0 | x 0
|
|
// 1 1 1 | x 1
|
|
//
|
|
// In the first pass, we AND the mask to the source bitmap to remove
|
|
// the mask 0 bits. This is then used to get the result (R1) for the
|
|
// bitblt involving source 1's.
|
|
//
|
|
// In the second pass, we OR the NOT of the mask to the source bitmap
|
|
// to obtain the source 0 bits. This is then used to get the result (R2)
|
|
// for the bitblt involving source 0's.
|
|
|
|
// AND the mask to the source bitmap to remove the mask 0 bits.
|
|
|
|
if (!BitBlt(hdcSrc,
|
|
(int) xSrc, (int) ySrc,
|
|
(int) cxDst, (int) cyDst,
|
|
hdcMask,
|
|
(int) xSrc, (int) ySrc,
|
|
SRCAND))
|
|
goto dmb_exit;
|
|
|
|
// Get the result (R1) for the bits involving source 1's.
|
|
|
|
if (!DoStretchBltAlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop1 & 0xCC0000) | 0x220000,
|
|
xSrc,
|
|
ySrc,
|
|
cxDst,
|
|
cyDst,
|
|
hdcSrc,
|
|
hbmSrc,
|
|
pxformSrc
|
|
)
|
|
)
|
|
goto dmb_exit;
|
|
|
|
// OR the NOT of the mask to the source bitmap to obtain the source 0 bits.
|
|
|
|
if (!BitBlt(hdcSrc,
|
|
(int) xSrc, (int) ySrc,
|
|
(int) cxDst, (int) cyDst,
|
|
hdcMask,
|
|
(int) xSrc, (int) ySrc,
|
|
MERGEPAINT))
|
|
goto dmb_exit;
|
|
|
|
// Get the result (R2) for the bitblt involving source 0's.
|
|
|
|
if (!DoStretchBltAlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop1 & 0x330000) | 0x880000,
|
|
xSrc,
|
|
ySrc,
|
|
cxDst,
|
|
cyDst,
|
|
hdcSrc,
|
|
hbmSrc,
|
|
pxformSrc
|
|
)
|
|
)
|
|
goto dmb_exit;
|
|
|
|
// For the high rop (mask bit 0), we use the following rop table:
|
|
//
|
|
// P S D | R1 R2
|
|
// ------+--------
|
|
// 0 0 0 | 0 x
|
|
// 0 0 1 | 1 x
|
|
// 0 1 0 | x 0
|
|
// 0 1 1 | x 1
|
|
// 1 0 0 | 0 x
|
|
// 1 0 1 | 1 x
|
|
// 1 1 0 | x 0
|
|
// 1 1 1 | x 1
|
|
//
|
|
// In the first pass, we AND the NOT of the mask to the source bitmap to remove
|
|
// the mask 1 bits. This is then used to get the result (R1) for the
|
|
// bitblt involving source 1's.
|
|
//
|
|
// In the second pass, we OR the mask to the source bitmap
|
|
// to obtain the source 0 bits. This is then used to get the result (R2)
|
|
// for the bitblt involving source 0's.
|
|
|
|
// Restore the source bits.
|
|
|
|
if (!SelectObject(hdcSrc, hbmSrcOld))
|
|
goto dmb_exit;
|
|
|
|
if (!SetDIBits(pLocalDC->hdcHelper,
|
|
hbmSrc,
|
|
0,
|
|
(UINT) lpBitmapInfoSrc->bmiHeader.biHeight,
|
|
(CONST VOID *) lpBitsSrc,
|
|
(LPBITMAPINFO) lpBitmapInfoSrc,
|
|
(UINT) iUsageSrc))
|
|
goto dmb_exit;
|
|
|
|
if (!SelectObject(hdcSrc, hbmSrc))
|
|
goto dmb_exit;
|
|
|
|
// AND the NOT of the mask to the source bitmap to remove the mask 1 bits.
|
|
|
|
if (!BitBlt(hdcSrc,
|
|
(int) xSrc, (int) ySrc,
|
|
(int) cxDst, (int) cyDst,
|
|
hdcMask,
|
|
(int) xSrc, (int) ySrc,
|
|
0x220326)) // DSna
|
|
goto dmb_exit;
|
|
|
|
// Get the result (R1) for the bits involving source 1's.
|
|
|
|
if (!DoStretchBltAlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop0 & 0xCC0000) | 0x220000,
|
|
xSrc,
|
|
ySrc,
|
|
cxDst,
|
|
cyDst,
|
|
hdcSrc,
|
|
hbmSrc,
|
|
pxformSrc
|
|
)
|
|
)
|
|
goto dmb_exit;
|
|
|
|
// OR the mask to the source bitmap to obtain the source 0 bits.
|
|
|
|
if (!BitBlt(hdcSrc,
|
|
(int) xSrc, (int) ySrc,
|
|
(int) cxDst, (int) cyDst,
|
|
hdcMask,
|
|
(int) xSrc, (int) ySrc,
|
|
SRCPAINT))
|
|
goto dmb_exit;
|
|
|
|
// Get the result (R2) for the bitblt involving source 0's.
|
|
|
|
if (!DoStretchBltAlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop0 & 0x330000) | 0x880000,
|
|
xSrc,
|
|
ySrc,
|
|
cxDst,
|
|
cyDst,
|
|
hdcSrc,
|
|
hbmSrc,
|
|
pxformSrc
|
|
)
|
|
)
|
|
goto dmb_exit;
|
|
|
|
b = TRUE;
|
|
|
|
// Cleanup.
|
|
|
|
dmb_exit:
|
|
|
|
if (hbmMaskOld)
|
|
SelectObject(hdcMask, hbmMaskOld);
|
|
if (hbmMask)
|
|
DeleteObject(hbmMask);
|
|
if (hdcMask)
|
|
DeleteDC(hdcMask);
|
|
|
|
if (hbmSrcOld)
|
|
SelectObject(hdcSrc, hbmSrcOld);
|
|
if (hbmSrc)
|
|
DeleteObject(hbmSrc);
|
|
if (hdcSrc)
|
|
DeleteDC(hdcSrc);
|
|
|
|
return(b);
|
|
}
|
|
|
|
/***************************************************************************
|
|
* MaskBltNoSrc
|
|
**************************************************************************/
|
|
BOOL APIENTRY DoMaskBltNoSrc
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
LONG xDst,
|
|
LONG yDst,
|
|
LONG cxDst,
|
|
LONG cyDst,
|
|
DWORD rop4,
|
|
PXFORM pxformSrc,
|
|
LONG xMask,
|
|
LONG yMask,
|
|
DWORD iUsageMask,
|
|
PBITMAPINFO lpBitmapInfoMask,
|
|
DWORD cbBitmapInfoMask,
|
|
LPBYTE lpBitsMask,
|
|
DWORD cbBitsMask
|
|
)
|
|
{
|
|
BOOL b;
|
|
DWORD rop1;
|
|
DWORD rop0;
|
|
HDC hdcMask;
|
|
HBITMAP hbmMask, hbmMaskOld;
|
|
RECTL rclMask;
|
|
LONG cxMask, cyMask;
|
|
|
|
b = FALSE;
|
|
hdcMask = (HDC) 0;
|
|
hbmMask = hbmMaskOld = (HBITMAP) 0;
|
|
|
|
rop0 = rop4 >> 8; // rop for 0's
|
|
rop1 = rop4 & 0xFF0000; // rop for 1's
|
|
|
|
// When no source bitmap is required in the rop4, the mask is used
|
|
// as the source in that the low rop is applied to the corresponding
|
|
// mask 1 bits and the high rop is applied to mask 0 bits. The source
|
|
// transform is used to determine the mask rectangle to be used.
|
|
|
|
// Create a compatible mask DC.
|
|
|
|
if (!(hdcMask = CreateCompatibleDC((HDC) 0)))
|
|
goto dmbns_exit;
|
|
|
|
// Create the mask bitmap.
|
|
|
|
if (!(hbmMask = CreateMonoDib(lpBitmapInfoMask, lpBitsMask, (UINT) iUsageMask)))
|
|
goto dmbns_exit;
|
|
|
|
// Select the bitmap.
|
|
|
|
if (!(hbmMaskOld = (HBITMAP) SelectObject(hdcMask, hbmMask)))
|
|
goto dmbns_exit;
|
|
|
|
// Compute the mask extents.
|
|
|
|
rclMask.left = 0;
|
|
rclMask.top = 0;
|
|
rclMask.right = cxDst;
|
|
rclMask.bottom = cyDst;
|
|
if (!bXformWorkhorse((PPOINTL) &rclMask, 2, pxformSrc))
|
|
goto dmbns_exit;
|
|
|
|
cxMask = rclMask.right - rclMask.left;
|
|
cyMask = rclMask.bottom - rclMask.top;
|
|
|
|
// Align the mask rectangle.
|
|
|
|
if (cxMask < 0)
|
|
xMask = xMask - cxMask + 1;
|
|
if (cyMask < 0)
|
|
yMask = yMask - cyMask + 1;
|
|
|
|
// We need to handle the low rop (mask bit 1) and high rop (mask bit 0)
|
|
// separately.
|
|
//
|
|
// For the low rop (mask bit 1), we use the following rop table:
|
|
//
|
|
// P M D | R
|
|
// ------+---
|
|
// 0 0 0 | 0
|
|
// 0 0 1 | 1
|
|
// 0 1 0 | x
|
|
// 0 1 1 | x
|
|
// 1 0 0 | 0
|
|
// 1 0 1 | 1
|
|
// 1 1 0 | x
|
|
// 1 1 1 | x
|
|
//
|
|
// The above rop will give us the result for bits that correspond to 1's
|
|
// in the mask bitmap. The destination bits that correspond to the 0 mask
|
|
// bits will not be changed. We effectively treat the mask as the source
|
|
// in the operation.
|
|
|
|
// Get the result (R) for the bits involving mask 1's.
|
|
|
|
if (!DoStretchBltAlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop1 & 0xCC0000) | 0x220000,
|
|
xMask,
|
|
yMask,
|
|
cxMask,
|
|
cyMask,
|
|
hdcMask,
|
|
hbmMask,
|
|
&xformIdentity
|
|
)
|
|
)
|
|
goto dmbns_exit;
|
|
#if 0
|
|
DoStretchBlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop1 & 0xCC0000) | 0x220000,
|
|
xMask,
|
|
yMask,
|
|
cxMask,
|
|
cyMask,
|
|
&xformIdentity,
|
|
iUsageMask,
|
|
lpBitmapInfoMask,
|
|
cbBitmapInfoMask,
|
|
lpBitsMask,
|
|
cbBitsMask
|
|
)
|
|
#endif // 0
|
|
|
|
// For the high rop (mask bit 0), we use the following rop table:
|
|
//
|
|
// P M D | R
|
|
// ------+---
|
|
// 0 0 0 | x
|
|
// 0 0 1 | x
|
|
// 0 1 0 | 0
|
|
// 0 1 1 | 1
|
|
// 1 0 0 | x
|
|
// 1 0 1 | x
|
|
// 1 1 0 | 0
|
|
// 1 1 1 | 1
|
|
//
|
|
// The above rop will give us the result for bits that correspond to 0's
|
|
// in the mask bitmap. The destination bits that correspond to the 1 mask
|
|
// bits will not be changed. We effectively treat the mask as the source
|
|
// in the operation.
|
|
|
|
// Get the result (R) for the bits involving mask 0's.
|
|
|
|
if (!DoStretchBltAlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop0 & 0x330000) | 0x880000,
|
|
xMask,
|
|
yMask,
|
|
cxMask,
|
|
cyMask,
|
|
hdcMask,
|
|
hbmMask,
|
|
&xformIdentity
|
|
)
|
|
)
|
|
goto dmbns_exit;
|
|
#if 0
|
|
DoStretchBlt
|
|
(
|
|
pLocalDC,
|
|
xDst,
|
|
yDst,
|
|
cxDst,
|
|
cyDst,
|
|
(rop0 & 0x330000) | 0x880000,
|
|
xMask,
|
|
yMask,
|
|
cxMask,
|
|
cyMask,
|
|
&xformIdentity,
|
|
iUsageMask,
|
|
lpBitmapInfoMask,
|
|
cbBitmapInfoMask,
|
|
lpBitsMask,
|
|
cbBitsMask
|
|
)
|
|
#endif // 0
|
|
|
|
b = TRUE;
|
|
|
|
// Cleanup.
|
|
|
|
dmbns_exit:
|
|
|
|
if (hbmMaskOld)
|
|
SelectObject(hdcMask, hbmMaskOld);
|
|
if (hbmMask)
|
|
DeleteObject(hbmMask);
|
|
if (hdcMask)
|
|
DeleteDC(hdcMask);
|
|
|
|
return(b);
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* PlgBlt - Win32 to Win16 Metafile Converter Entry Point
|
|
**************************************************************************/
|
|
BOOL APIENTRY DoPlgBlt
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
PPOINTL pptlDst,
|
|
LONG xSrc,
|
|
LONG ySrc,
|
|
LONG cxSrc,
|
|
LONG cySrc,
|
|
PXFORM pxformSrc,
|
|
DWORD iUsageSrc,
|
|
PBITMAPINFO lpBitmapInfoSrc,
|
|
DWORD cbBitmapInfoSrc,
|
|
LPBYTE lpBitsSrc,
|
|
DWORD cbBitsSrc,
|
|
LONG xMask,
|
|
LONG yMask,
|
|
DWORD iUsageMask,
|
|
PBITMAPINFO lpBitmapInfoMask,
|
|
DWORD cbBitmapInfoMask,
|
|
LPBYTE lpBitsMask,
|
|
DWORD cbBitsMask
|
|
)
|
|
{
|
|
BOOL b, bMask;
|
|
DWORD rop4;
|
|
HDC hdcSrc, hdcSrcRDev;
|
|
PBITMAPINFO pbmiSrcRDev, pbmiMaskRDev;
|
|
LPBYTE lpBitsSrcRDev, lpBitsMaskRDev;
|
|
DWORD cbBitsSrcRDev, cbBitsMaskRDev;
|
|
HBITMAP hbmMask, hbmMaskRDev, hbmSrc, hbmSrcRDev, hbmSrcOld, hbmSrcRDevOld;
|
|
RECTL rclBndRDev;
|
|
POINTL aptlDst[4];
|
|
POINT ptMask;
|
|
BITMAPINFOHEADER bmihMask;
|
|
|
|
// We are going to convert the PlgBlt into a MaskBlt. This can be done
|
|
// by converting the source and mask bitmaps to the device space of the
|
|
// recording device and then maskblt the result.
|
|
|
|
b = FALSE;
|
|
hdcSrc = hdcSrcRDev = (HDC) 0;
|
|
hbmMask = hbmMaskRDev = hbmSrc = hbmSrcRDev = hbmSrcOld = hbmSrcRDevOld = (HBITMAP) 0;
|
|
pbmiSrcRDev = pbmiMaskRDev = (PBITMAPINFO) NULL;
|
|
lpBitsSrcRDev = lpBitsMaskRDev = (LPBYTE) NULL;
|
|
bMask = (cbBitmapInfoMask != 0);
|
|
|
|
rop4 = 0xAACC0000; // rop for MaskBlt
|
|
|
|
// First, we transform the destination parallelogram to the device space
|
|
// of the recording device. This device parallelogram is then used in
|
|
// plgblt'ing the source and mask bitmaps to the device space of the
|
|
// recording device.
|
|
|
|
aptlDst[0] = pptlDst[0];
|
|
aptlDst[1] = pptlDst[1];
|
|
aptlDst[2] = pptlDst[2];
|
|
aptlDst[3].x = aptlDst[1].x + aptlDst[2].x - aptlDst[0].x;
|
|
aptlDst[3].y = aptlDst[1].y + aptlDst[2].y - aptlDst[0].y;
|
|
|
|
if (!bXformRWorldToRDev(pLocalDC, aptlDst, 4))
|
|
goto dpb_exit;
|
|
|
|
// Find the bounding rectangle of the parallelogram in the recording
|
|
// device space. This rectangle is used as the basis of the MaskBlt call.
|
|
|
|
rclBndRDev.left = min(aptlDst[0].x,min(aptlDst[1].x,min(aptlDst[2].x,aptlDst[3].x)));
|
|
rclBndRDev.top = min(aptlDst[0].y,min(aptlDst[1].y,min(aptlDst[2].y,aptlDst[3].y)));
|
|
rclBndRDev.right = max(aptlDst[0].x,max(aptlDst[1].x,max(aptlDst[2].x,aptlDst[3].x)));
|
|
rclBndRDev.bottom = max(aptlDst[0].y,max(aptlDst[1].y,max(aptlDst[2].y,aptlDst[3].y)));
|
|
|
|
// Offset the device parallelogram to the origin.
|
|
|
|
aptlDst[0].x -= rclBndRDev.left; aptlDst[0].y -= rclBndRDev.top;
|
|
aptlDst[1].x -= rclBndRDev.left; aptlDst[1].y -= rclBndRDev.top;
|
|
aptlDst[2].x -= rclBndRDev.left; aptlDst[2].y -= rclBndRDev.top;
|
|
aptlDst[3].x -= rclBndRDev.left; aptlDst[3].y -= rclBndRDev.top;
|
|
|
|
// Create the source bitmap in the recording device space for MaskBlt.
|
|
// The size of the source bitmap is that of rclBndRDev.
|
|
// The source image is then plgblt'd into the device parallelogram.
|
|
// PlgBlt always takes a source bitmap.
|
|
|
|
// Create the original source.
|
|
|
|
if (!(hdcSrc = hdcMakeCompatibleDC(pxformSrc)))
|
|
goto dpb_exit;
|
|
|
|
if (!(hbmSrc = CreateDIBitmap(hdcSrc,
|
|
(LPBITMAPINFOHEADER) lpBitmapInfoSrc,
|
|
CBM_INIT | CBM_CREATEDIB,
|
|
lpBitsSrc,
|
|
(LPBITMAPINFO) lpBitmapInfoSrc,
|
|
(UINT) iUsageSrc)))
|
|
goto dpb_exit;
|
|
|
|
if (!(hbmSrcOld = (HBITMAP) SelectObject(hdcSrc, hbmSrc)))
|
|
goto dpb_exit;
|
|
|
|
// Create the source for MaskBlt.
|
|
|
|
if (!(hdcSrcRDev = CreateCompatibleDC((HDC) 0)))
|
|
goto dpb_exit;
|
|
|
|
pbmiSrcRDev = (PBITMAPINFO) LocalAlloc(LMEM_FIXED, cbBitmapInfoSrc);
|
|
if (pbmiSrcRDev == (PBITMAPINFO) NULL)
|
|
goto dpb_exit;
|
|
RtlCopyMemory(pbmiSrcRDev, lpBitmapInfoSrc, cbBitmapInfoSrc);
|
|
pbmiSrcRDev->bmiHeader.biWidth = rclBndRDev.right - rclBndRDev.left + 1;
|
|
pbmiSrcRDev->bmiHeader.biHeight = rclBndRDev.bottom - rclBndRDev.top + 1;
|
|
pbmiSrcRDev->bmiHeader.biSizeImage = 0;
|
|
if (!(hbmSrcRDev = CreateDIBitmap(hdcSrcRDev, (LPBITMAPINFOHEADER) pbmiSrcRDev,
|
|
CBM_CREATEDIB, (LPBYTE) NULL, pbmiSrcRDev, iUsageSrc)))
|
|
goto dpb_exit;
|
|
|
|
if (!(hbmSrcRDevOld = (HBITMAP) SelectObject(hdcSrcRDev, hbmSrcRDev)))
|
|
goto dpb_exit;
|
|
|
|
// PlgBlt the original source bitmap into the source bitmap for MaskBlt.
|
|
|
|
if (!PlgBlt(hdcSrcRDev, (LPPOINT) aptlDst, hdcSrc, xSrc, ySrc, cxSrc, cySrc, (HBITMAP) NULL, 0, 0))
|
|
goto dpb_exit;
|
|
|
|
// Retrieve the source bits for MaskBlt.
|
|
|
|
// Get biSizeImage!
|
|
|
|
if (!GetDIBits(hdcSrcRDev, hbmSrcRDev, 0, 0, (LPBYTE) NULL, pbmiSrcRDev, iUsageSrc))
|
|
goto dpb_exit;
|
|
|
|
// Compute size of the buffer required for source bits.
|
|
|
|
if (pbmiSrcRDev->bmiHeader.biSizeImage)
|
|
cbBitsSrcRDev = pbmiSrcRDev->bmiHeader.biSizeImage;
|
|
else
|
|
cbBitsSrcRDev = CJSCAN(pbmiSrcRDev->bmiHeader.biWidth,
|
|
pbmiSrcRDev->bmiHeader.biPlanes,
|
|
pbmiSrcRDev->bmiHeader.biBitCount)
|
|
* ABS(pbmiSrcRDev->bmiHeader.biHeight);
|
|
|
|
lpBitsSrcRDev = (LPBYTE) LocalAlloc(LMEM_FIXED, cbBitsSrcRDev);
|
|
if (lpBitsSrcRDev == (LPBYTE) NULL)
|
|
goto dpb_exit;
|
|
|
|
// Get the source bits.
|
|
|
|
if (!GetDIBits(hdcSrcRDev, hbmSrcRDev, 0, (UINT) pbmiSrcRDev->bmiHeader.biHeight,
|
|
lpBitsSrcRDev, pbmiSrcRDev, iUsageSrc))
|
|
goto dpb_exit;
|
|
|
|
// Create the mask bitmap in the recording device space for MaskBlt.
|
|
// The size of the mask bitmap is that of rclBndRDev.
|
|
// The mask image is then plgblt'd into the device parallelogram.
|
|
// If a mask is not given, create one that describes the parallelogram
|
|
// for the source.
|
|
|
|
if (bMask)
|
|
{
|
|
// Create the original mask.
|
|
|
|
if (!(hbmMask = CreateMonoDib(lpBitmapInfoMask, lpBitsMask, (UINT) iUsageMask)))
|
|
goto dpb_exit;
|
|
|
|
if (!SelectObject(hdcSrc, hbmMask))
|
|
goto dpb_exit;
|
|
}
|
|
else
|
|
{
|
|
// Create a mask describing the original source bitmap.
|
|
|
|
ASSERTGDI(sizeof(BITMAPINFOHEADER) == 0x28,
|
|
"MF3216: DoPlgBlt, BITMAPINFOHEADER has changed!\n");
|
|
|
|
iUsageMask = DIB_PAL_INDICES;
|
|
cbBitmapInfoMask = 0x28;
|
|
lpBitmapInfoMask = (PBITMAPINFO) &bmihMask;
|
|
|
|
bmihMask.biSize = 0x28;
|
|
bmihMask.biWidth = lpBitmapInfoSrc->bmiHeader.biWidth;
|
|
bmihMask.biHeight = lpBitmapInfoSrc->bmiHeader.biHeight;
|
|
bmihMask.biPlanes = 1;
|
|
bmihMask.biBitCount = 1;
|
|
bmihMask.biCompression = BI_RGB;
|
|
bmihMask.biSizeImage = 0;
|
|
bmihMask.biXPelsPerMeter = 0;
|
|
bmihMask.biYPelsPerMeter = 0;
|
|
bmihMask.biClrUsed = 0;
|
|
bmihMask.biClrImportant = 0;
|
|
|
|
if (!(hbmMask = CreateBitmap((int) bmihMask.biWidth,
|
|
(int) bmihMask.biHeight, 1, 1, (CONST VOID *) NULL)))
|
|
goto dpb_exit;
|
|
|
|
if (!SelectObject(hdcSrc, hbmMask))
|
|
goto dpb_exit;
|
|
|
|
// Initialize the mask bitmap to 1's.
|
|
|
|
if (!PatBlt(hdcSrc,0,0,(int)bmihMask.biWidth,(int)bmihMask.biHeight,WHITENESS))
|
|
goto dpb_exit;
|
|
}
|
|
|
|
// Create the mask for MaskBlt.
|
|
|
|
pbmiMaskRDev = (PBITMAPINFO) LocalAlloc(LMEM_FIXED, cbBitmapInfoMask);
|
|
if (pbmiMaskRDev == (PBITMAPINFO) NULL)
|
|
goto dpb_exit;
|
|
RtlCopyMemory(pbmiMaskRDev, lpBitmapInfoMask, cbBitmapInfoMask);
|
|
pbmiMaskRDev->bmiHeader.biWidth = rclBndRDev.right - rclBndRDev.left + 1;
|
|
pbmiMaskRDev->bmiHeader.biHeight = rclBndRDev.bottom - rclBndRDev.top + 1;
|
|
pbmiMaskRDev->bmiHeader.biSizeImage = 0;
|
|
pbmiMaskRDev->bmiHeader.biCompression = BI_RGB;
|
|
if (!(hbmMaskRDev = CreateBitmap(pbmiMaskRDev->bmiHeader.biWidth,
|
|
pbmiMaskRDev->bmiHeader.biHeight, 1, 1, (CONST VOID *) NULL)))
|
|
goto dpb_exit;
|
|
|
|
if (!SelectObject(hdcSrcRDev, hbmMaskRDev))
|
|
goto dpb_exit;
|
|
|
|
// Initialize the mask bitmap to 0's.
|
|
|
|
if (!PatBlt(hdcSrcRDev,0,0,(int)pbmiMaskRDev->bmiHeader.biWidth,
|
|
(int)pbmiMaskRDev->bmiHeader.biHeight,BLACKNESS))
|
|
goto dpb_exit;
|
|
|
|
// PlgBlt the original mask bitmap into the mask bitmap for MaskBlt.
|
|
|
|
if (bMask)
|
|
{
|
|
ptMask.x = xMask;
|
|
ptMask.y = yMask;
|
|
if (!DPtoLP(hdcSrc, &ptMask, 1))
|
|
goto dpb_exit;
|
|
}
|
|
else
|
|
{
|
|
ptMask.x = xSrc;
|
|
ptMask.y = ySrc;
|
|
}
|
|
|
|
if (!PlgBlt(hdcSrcRDev, (LPPOINT) aptlDst, hdcSrc, ptMask.x, ptMask.y, cxSrc, cySrc, (HBITMAP) NULL, 0, 0))
|
|
goto dpb_exit;
|
|
|
|
// Retrieve the mask bits for MaskBlt.
|
|
|
|
// Compute size of the buffer required for mask bits.
|
|
|
|
cbBitsMaskRDev = CJSCAN(pbmiMaskRDev->bmiHeader.biWidth,
|
|
pbmiMaskRDev->bmiHeader.biPlanes,
|
|
pbmiMaskRDev->bmiHeader.biBitCount)
|
|
* ABS(pbmiMaskRDev->bmiHeader.biHeight);
|
|
|
|
lpBitsMaskRDev = (LPBYTE) LocalAlloc(LMEM_FIXED, cbBitsMaskRDev);
|
|
if (lpBitsMaskRDev == (LPBYTE) NULL)
|
|
goto dpb_exit;
|
|
|
|
// Get the mask bits.
|
|
|
|
if (!GetDIBits(hdcSrcRDev, hbmMaskRDev, 0, (UINT) pbmiMaskRDev->bmiHeader.biHeight,
|
|
lpBitsMaskRDev, pbmiMaskRDev, iUsageMask))
|
|
goto dpb_exit;
|
|
|
|
// Prepare for the MaskBlt.
|
|
// The destination for the MaskBlt is rclBndRDev. Since the extents for
|
|
// the destination and source share the same logical values in MaskBlt,
|
|
// we have to set the transform in the destination DC to identity.
|
|
|
|
// Save the DC so that we can restore the transform when we are done
|
|
|
|
if (!DoSaveDC(pLocalDC))
|
|
goto dpb_exit;
|
|
|
|
// Set the transforms to identity.
|
|
|
|
if (!DoSetMapMode(pLocalDC, MM_TEXT)
|
|
|| !DoModifyWorldTransform(pLocalDC, (PXFORM) NULL, MWT_IDENTITY)
|
|
|| !DoSetWindowOrg(pLocalDC, 0, 0)
|
|
|| !DoSetViewportOrg(pLocalDC, 0, 0))
|
|
goto dpb_restore_exit;
|
|
|
|
// Now do the MaskBlt.
|
|
|
|
b = DoMaskBlt
|
|
(
|
|
pLocalDC,
|
|
rclBndRDev.left, // xDst
|
|
rclBndRDev.top, // yDst
|
|
rclBndRDev.right - rclBndRDev.left + 1,
|
|
rclBndRDev.bottom - rclBndRDev.top + 1,
|
|
rop4,
|
|
0, // xSrc
|
|
0, // ySrc
|
|
&xformIdentity,
|
|
iUsageSrc,
|
|
pbmiSrcRDev,
|
|
cbBitmapInfoSrc,
|
|
lpBitsSrcRDev,
|
|
cbBitsSrcRDev,
|
|
0, // xMask
|
|
0, // yMask
|
|
iUsageMask,
|
|
pbmiMaskRDev,
|
|
cbBitmapInfoMask,
|
|
lpBitsMaskRDev,
|
|
cbBitsMaskRDev
|
|
);
|
|
|
|
// Restore the transforms.
|
|
|
|
dpb_restore_exit:
|
|
|
|
(void) DoRestoreDC(pLocalDC, -1);
|
|
|
|
// Cleanup.
|
|
|
|
dpb_exit:
|
|
|
|
if (hbmSrcOld)
|
|
SelectObject(hdcSrc, hbmSrcOld);
|
|
if (hbmSrcRDevOld)
|
|
SelectObject(hdcSrcRDev, hbmSrcRDevOld);
|
|
|
|
if (hbmSrc)
|
|
DeleteObject(hbmSrc);
|
|
if (hbmSrcRDev)
|
|
DeleteObject(hbmSrcRDev);
|
|
if (hbmMask)
|
|
DeleteObject(hbmMask);
|
|
if (hbmMaskRDev)
|
|
DeleteObject(hbmMaskRDev);
|
|
|
|
if (hdcSrc)
|
|
DeleteDC(hdcSrc);
|
|
if (hdcSrcRDev)
|
|
DeleteDC(hdcSrcRDev);
|
|
|
|
if (pbmiSrcRDev)
|
|
LocalFree((HANDLE) pbmiSrcRDev);
|
|
if (pbmiMaskRDev)
|
|
LocalFree((HANDLE) pbmiMaskRDev);
|
|
if (lpBitsSrcRDev)
|
|
LocalFree((HANDLE) lpBitsSrcRDev);
|
|
if (lpBitsMaskRDev)
|
|
LocalFree((HANDLE) lpBitsMaskRDev);
|
|
|
|
return(b);
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* SetPixel - Win32 to Win16 Metafile Converter Entry Point
|
|
**************************************************************************/
|
|
BOOL WINAPI DoSetPixel
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
int x,
|
|
int y,
|
|
COLORREF crColor
|
|
)
|
|
{
|
|
POINTL ptl ;
|
|
BOOL b ;
|
|
|
|
ptl.x = (LONG) x ;
|
|
ptl.y = (LONG) y ;
|
|
|
|
b = bXformRWorldToPPage(pLocalDC, &ptl, 1) ;
|
|
if (b == FALSE)
|
|
goto exit1 ;
|
|
|
|
b = bEmitWin16SetPixel(pLocalDC, LOWORD(ptl.x), LOWORD(ptl.y), crColor) ;
|
|
exit1:
|
|
return(b) ;
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* SetStretchBltMode - Win32 to Win16 Metafile Converter Entry Point
|
|
**************************************************************************/
|
|
BOOL WINAPI DoSetStretchBltMode
|
|
(
|
|
PLOCALDC pLocalDC,
|
|
DWORD iStretchMode
|
|
)
|
|
{
|
|
BOOL b ;
|
|
|
|
// Emit the Win16 metafile drawing order.
|
|
|
|
b = bEmitWin16SetStretchBltMode(pLocalDC, LOWORD(iStretchMode)) ;
|
|
|
|
return(b) ;
|
|
}
|