Merge remote-tracking branch 'upstream/master' into zvision

Conflicts:
	engines/zvision/animation/rlf_animation.cpp
	engines/zvision/animation_control.h
	engines/zvision/core/console.cpp
	engines/zvision/core/events.cpp
	engines/zvision/cursors/cursor.cpp
	engines/zvision/cursors/cursor_manager.cpp
	engines/zvision/cursors/cursor_manager.h
	engines/zvision/fonts/truetype_font.cpp
	engines/zvision/graphics/render_manager.cpp
	engines/zvision/graphics/render_manager.h
	engines/zvision/inventory/inventory_manager.h
	engines/zvision/inventory_manager.h
	engines/zvision/meta_animation.h
	engines/zvision/module.mk
	engines/zvision/scripting/actions.cpp
	engines/zvision/scripting/control.h
	engines/zvision/scripting/controls/animation_control.cpp
	engines/zvision/scripting/controls/animation_control.h
	engines/zvision/scripting/controls/input_control.cpp
	engines/zvision/scripting/controls/lever_control.cpp
	engines/zvision/scripting/controls/timer_node.cpp
	engines/zvision/scripting/controls/timer_node.h
	engines/zvision/scripting/puzzle.h
	engines/zvision/scripting/scr_file_handling.cpp
	engines/zvision/scripting/script_manager.cpp
	engines/zvision/scripting/script_manager.h
	engines/zvision/sidefx.cpp
	engines/zvision/sound/zork_raw.cpp
	engines/zvision/sound/zork_raw.h
	engines/zvision/video/video.cpp
	engines/zvision/video/zork_avi_decoder.h
	engines/zvision/zvision.cpp
	engines/zvision/zvision.h

1 files changed, 68 insertions, 0 deletions

diff --git a/image/png.h b/image/png.h
new file mode 100644
index 0000000000..c4532fd03b
--- /dev/null
+++ b/image/png.h
@@ -0,0 +1,68 @@
+/* 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
+ *  - wintermute
+ * Dependencies:
+ *  - libpng
+ */
+
+#ifndef IMAGE_PNG_H
+#define IMAGE_PNG_H
+
+#include "common/scummsys.h"
+#include "common/textconsole.h"
+#include "image/image_decoder.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace Image {
+
+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 Image
+
+#endif