1 files changed, 51 insertions, 0 deletions
diff --git a/image/png.h b/image/png.h
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index 000000000..5350ec61d
--- /dev/null
+++ b/image/png.h
@@ -0,0 +1,51 @@
+/*
+ * 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 <stdbool.h>
+#include <libpng/png.h>
+
+struct content;
+struct bitmap;
+
+struct content_png_data {
+	png_structp png;
+	png_infop info;
+	int interlace;
+        struct bitmap *bitmap;	/**< Created NetSurf bitmap */
+        unsigned char *bitbuffer; /**< Bitmap buffer */
+        size_t rowstride, bpp; /**< Bitmap rowstride and bpp */
+        size_t rowbytes; /**< Number of bytes per row */
+};
+
+bool nspng_create(struct content *c, const char *params[]);
+bool nspng_process_data(struct content *c, char *data, unsigned int size);
+bool nspng_convert(struct content *c, int width, int height);
+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, unsigned long 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, unsigned long background_colour,
+                        bool repeat_x, bool repeat_y);
+#endif