netsurf/image/png.h

62 lines
2.0 KiB
C

/*
* Copyright 2003 James Bursa <bursa@users.sourceforge.net>
* Copyright 2008 Daniel Silverstone <dsilvers@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NETSURF_RISCOS_PNG_H_
#define _NETSURF_RISCOS_PNG_H_
#include "utils/config.h"
#ifdef WITH_PNG
#include "desktop/plot_style.h"
#include <stdbool.h>
#include <png.h>
struct content;
struct bitmap;
struct http_parameter;
struct content_png_data {
png_structp png;
png_infop info;
int interlace;
struct bitmap *bitmap; /**< Created NetSurf bitmap */
size_t rowstride, bpp; /**< Bitmap rowstride and bpp */
size_t rowbytes; /**< Number of bytes per row */
};
bool nspng_create(struct content *c, const struct http_parameter *params);
bool nspng_process_data(struct content *c, const char *data, unsigned int size);
bool nspng_convert(struct content *c);
void nspng_destroy(struct content *c);
bool nspng_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, colour background_colour);
bool nspng_redraw_tiled(struct content *c, int x, int y, int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, colour background_colour,
bool repeat_x, bool repeat_y);
bool nspng_clone(const struct content *old, struct content *new_content);
#endif
#endif