png.h

   1 /////////////////////////////////////////////////////////////////////////////////
   2 //
   3 // $Id: png.h,v 1.2 2003/08/03 16:56:29 nedko Exp $
   4 //
   5 // DESCRIPTION:
   6 //
   7 // NOTES:
   8 //
   9 /////////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef PNG_H__76DD7C22_846A_4AE0_B01C_813DBDADE3C4__INCLUDED
  12 #define PNG_H__76DD7C22_846A_4AE0_B01C_813DBDADE3C4__INCLUDED
  13
  14 class CPNGImage
  15 {
  16 public:
  17   CPNGImage();
  18   ~CPNGImage();
  19
  20   bool LoadPNGImage(const char *pszPath);
  21   unsigned int GetWidth();
  22   unsigned int GetHeight();
  23   HBITMAP CreateBitmap(HDC hMemoryDC);
  24 private:
  25   static void PNGAPI PNG_ErrorHandler PNGARG((png_structp s, png_const_charp str));
  26   static void PremultiplyAlpha(unsigned int nWidth, unsigned int nHeight, unsigned char *pData);
  27   static unsigned char * GenerateNotLoadedBitmapData(unsigned int nWidth, unsigned int nHeight);
  28
  29 private:
  30   unsigned int m_nWidth;
  31   unsigned int m_nHeight;
  32   unsigned char *m_pData;
  33 };
  34
  35 extern CPNGImage g_Image;
  36
  37 #endif // #ifndef PNG_H__76DD7C22_846A_4AE0_B01C_813DBDADE3C4__INCLUDED
  38
  39 /////////////////////////////////////////////////////////////////////////////////
  40 //
  41 // Modifications log:
  42 //
  43 // !!! WARNING !!! Following lines are automatically updated by the CVS system.
  44 //
  45 //   $Log: png.h,v $
  46 //   Revision 1.2  2003/08/03 16:56:29  nedko
  47 //   Flush current work
  48 //
  49 //   Revision 1.1  2002/06/29 15:03:33  nedko
  50 //   *** empty log message ***
  51 //
  52 /////////////////////////////////////////////////////////////////////////////////