selectionmodel.cpp File Reference

#include "precomp.h"

Include dependency graph for selectionmodel.cpp:

Go to the source code of this file.

Functions
BOOL	ColorKeyedMaskBlt (HDC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HDC hdcSrc, int nXSrc, int nYSrc, HBITMAP hbmMask, int xMask, int yMask, DWORD dwRop, COLORREF keyColor)

Function Documentation

ColorKeyedMaskBlt()

BOOL ColorKeyedMaskBlt	(	HDC	hdcDest,
		int	nXDest,
		int	nYDest,
		int	nWidth,
		int	nHeight,
		HDC	hdcSrc,
		int	nXSrc,
		int	nYSrc,
		HBITMAP	hbmMask,
		int	xMask,
		int	yMask,
		DWORD	dwRop,
		COLORREF	keyColor
	)

Definition at line 25 of file selection.cpp.

{
    HDC hTempDC;
    HDC hTempDC2;
    HBITMAP hTempBm;
    HBRUSH hTempBrush;
    HBITMAP hTempMask;

    hTempDC = CreateCompatibleDC(hdcSrc);
    hTempDC2 = CreateCompatibleDC(hdcSrc);
    hTempBm = CreateCompatibleBitmap(hTempDC, nWidth, nHeight);
    SelectObject(hTempDC, hTempBm);
    hTempBrush = CreateSolidBrush(keyColor);
    SelectObject(hTempDC, hTempBrush);
    BitBlt(hTempDC, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, SRCCOPY);
    PatBlt(hTempDC, 0, 0, nWidth, nHeight, PATINVERT);
    hTempMask = CreateBitmap(nWidth, nHeight, 1, 1, NULL);
    SelectObject(hTempDC2, hTempMask);
    BitBlt(hTempDC2, 0, 0, nWidth, nHeight, hTempDC, 0, 0, SRCCOPY);
    SelectObject(hTempDC, hbmMask);
    BitBlt(hTempDC2, 0, 0, nWidth, nHeight, hTempDC, xMask, yMask, SRCAND);
    MaskBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, hTempMask, xMask, yMask, dwRop);
    DeleteDC(hTempDC);
    DeleteDC(hTempDC2);
    DeleteObject(hTempBm);
    DeleteObject(hTempBrush);
    DeleteObject(hTempMask);
    return TRUE;
}

Referenced by SelectionModel::DrawSelection().