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28 lines
627 B
C++
28 lines
627 B
C++
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#include "WinUtils.h"
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using namespace Framework;
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HBITMAP WinUtils::CreateMask(HBITMAP nBitmap, uint32 nColor)
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{
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BITMAP bm;
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HBITMAP nMask;
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HDC hDC1, hDC2;
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GetObject(nBitmap, sizeof(BITMAP), &bm);
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nMask = CreateBitmap(bm.bmWidth, bm.bmHeight, 1, 1, NULL);
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hDC1 = CreateCompatibleDC(0);
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hDC2 = CreateCompatibleDC(0);
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SelectObject(hDC1, nBitmap);
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SelectObject(hDC2, nMask);
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SetBkColor(hDC1, nColor);
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BitBlt(hDC2, 0, 0, bm.bmWidth, bm.bmHeight, hDC1, 0, 0, SRCCOPY);
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BitBlt(hDC1, 0, 0, bm.bmWidth, bm.bmHeight, hDC2, 0, 0, SRCINVERT);
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DeleteDC(hDC1);
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DeleteDC(hDC2);
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return nMask;
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}
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