36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
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#ifndef BITMAP_UTILS_H
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#define BITMAP_UTILS_H
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#include <windows.h>
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#include <map>
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#include <Uxtheme.h>
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#include <GdiPlus.h>
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#pragma comment(lib, "UxTheme.lib")
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typedef HRESULT (WINAPI *FN_GetBufferedPaintBits) (HPAINTBUFFER hBufferedPaint, RGBQUAD **ppbBuffer, int *pcxRow);
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typedef HPAINTBUFFER (WINAPI *FN_BeginBufferedPaint) (HDC hdcTarget, const RECT *prcTarget, BP_BUFFERFORMAT dwFormat, BP_PAINTPARAMS *pPaintParams, HDC *phdc);
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typedef HRESULT (WINAPI *FN_EndBufferedPaint) (HPAINTBUFFER hBufferedPaint, BOOL fUpdateTarget);
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class BitmapUtils
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{
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public:
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BitmapUtils();
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~BitmapUtils();
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HBITMAP IconToBitmapPARGB32(HINSTANCE hInst, UINT uIcon);
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HBITMAP IconToBitmapPARGB32(HICON hIcon) const;
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private:
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HRESULT Create32BitHBITMAP(HDC hdc, const SIZE *psize, __deref_opt_out void **ppvBits, __out HBITMAP* phBmp) const;
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HRESULT ConvertBufferToPARGB32(HPAINTBUFFER hPaintBuffer, HDC hdc, HICON hicon, SIZE& sizIcon) const;
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bool HasAlpha(Gdiplus::ARGB *pargb, SIZE& sizImage, int cxRow) const;
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HRESULT ConvertToPARGB32(HDC hdc, __inout Gdiplus::ARGB *pargb, HBITMAP hbmp, SIZE& sizImage, int cxRow) const;
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std::map<UINT, HBITMAP> bitmaps_;
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bool IsVistaOrLater() const;
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HMODULE hUxTheme_;
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FN_GetBufferedPaintBits pfnGetBufferedPaintBits_;
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FN_BeginBufferedPaint pfnBeginBufferedPaint_;
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FN_EndBufferedPaint pfnEndBufferedPaint_;
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};
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#endif
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