1 files changed, 66 insertions, 0 deletions
diff --git a/graphics/decoders/png.h b/graphics/decoders/png.h
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+++ b/graphics/decoders/png.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * PNG decoder used in engines:
+ *  - sword25
+ * Dependencies:
+ *  - libpng
+ */
+
+#ifndef GRAPHICS_PNG_H
+#define GRAPHICS_PNG_H
+
+#include "common/scummsys.h"
+#include "common/textconsole.h"
+#include "graphics/decoders/image_decoder.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+
+struct Surface;
+struct PixelFormat;
+
+class PNGDecoder : public ImageDecoder {
+public:
+	PNGDecoder();
+	~PNGDecoder();
+
+	bool loadStream(Common::SeekableReadStream &stream);
+	void destroy();
+	const Graphics::Surface *getSurface() const { return _outputSurface; }
+	const byte *getPalette() const { return _palette; }
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
+private:
+	Common::SeekableReadStream *_stream;
+	byte *_palette;
+	uint16 _paletteColorCount;
+
+	Graphics::Surface *_outputSurface;
+};
+
+} // End of namespace Graphics
+
+#endif // GRAPHICS_PNG_H