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, size_t length);
      27  static void png_write_data(png_structp png_ptr, png_bytep data, size_t length);
      28  static void png_flush(png_structp png_ptr);
      29  #endif
      30