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 #if defined(PNG_NO_STDIO) 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 31