1 //------------------------------------------
2 // PNGFILE.H -- Header File for pngfile.c
3 //------------------------------------------
5 // Copyright 2000, Willem van Schaik.
7 // This code is released under the libpng license.
8 // For conditions of distribution and use, see the disclaimer
9 // and license in png.h
16 void PngFileInitialize (HWND hwnd) ;
17 BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
18 BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
20 BOOL PngLoadImage (PTSTR pstrFileName, png_byte **ppbImageData,
21 int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor);
22 BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData,
23 int iWidth, int iHeight, png_color BkgColor);
25 #ifndef PNG_STDIO_SUPPORTED
26 static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length);
27 static void png_write_data(png_structp png_ptr, png_bytep data, png_size_t length);
28 static void png_flush(png_structp png_ptr);