51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* pngpack: lossless image compression for a series of screen shots
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* Copyright (C) 2005-2010 Carsten Gnoerlich.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA,
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* or direct your browser at http://www.gnu.org.
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*/
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#ifndef PNGIO_H
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#define PNGIO_H
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#include <png.h>
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typedef struct
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{ char *name;
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unsigned int width, height;
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unsigned int *image;
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unsigned int bytesize;
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unsigned int tile_background;
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unsigned int png_background;
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unsigned int channels;
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unsigned int first_opcode, last_opcode;
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unsigned char checksum[16];
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/* The rest is only used for png reading/writing */
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FILE *file;
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png_byte **row_pointers;
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png_struct *png_read, *png_write;
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png_info *png_info;
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} Image;
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Image *LoadPNG(char*);
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void SavePNG(Image*, char*);
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void FreeImage(Image*);
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#endif /* PNGIO_H */
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