workbench/libs/png/contrib/visupng/PngFile.h

   1 /*------------------------------------------*/
   2 /*  PNGFILE.H -- Header File for pngfile.c*/
   3 /*------------------------------------------*/
   4
   5 /* Copyright 2000, Willem van Schaik.*/
   6
   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*/
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <windows.h>
  15
  16 void PngFileInitialize (HWND hwnd) ;
  17 BOOL PngFileOpenDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
  18 BOOL PngFileSaveDlg (HWND hwnd, PTSTR pstrFileName, PTSTR pstrTitleName) ;
  19
  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);
  24
  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);
  29 #endif
  30