Imported Upstream version 0.72

tools/pngio.h

@@ -0,0 +1,50 @@
+/*  pngpack: lossless image compression for a series of screen shots
+ *  Copyright (C) 2005-2009 Carsten Gnoerlich.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA,
+ *  or direct your browser at http://www.gnu.org.
+ */
+
+#ifndef PNGIO_H
+#define PNGIO_H
+
+#include <png.h>
+
+typedef struct
+{  char *name;
+   unsigned int width, height;
+   unsigned int *image;
+   unsigned int bytesize;
+   unsigned int tile_background; 
+   unsigned int png_background; 
+   unsigned int channels;
+   unsigned int first_opcode, last_opcode;
+   unsigned char checksum[16];
+
+  /* The rest is only used for png reading/writing */
+
+   FILE *file; 
+   png_byte   **row_pointers;
+   png_struct *png_read, *png_write;
+   png_info   *png_info;
+
+} Image;
+
+Image *LoadPNG(char*);
+void SavePNG(Image*, char*);
+
+void FreeImage(Image*);
+
+#endif /* PNGIO_H */