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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 
31