From ccccb392b55ee64130ac87aa5737321a943ee628 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Thu, 13 Sep 2012 01:49:29 +0300
Subject: GRAPHICS: Add a common PCX image decoder

---
 graphics/decoders/pcx.h | 68 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 graphics/decoders/pcx.h

(limited to 'graphics/decoders/pcx.h')

diff --git a/graphics/decoders/pcx.h b/graphics/decoders/pcx.h
new file mode 100644
index 0000000000..bcff754a2d
--- /dev/null
+++ b/graphics/decoders/pcx.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.
+ */
+
+/**
+ * PCX decoder used in engines:
+ *  - dreamweb
+ *  - hugo
+ *  - queen
+ *  - tucker
+ */
+
+#ifndef GRAPHICS_DECODERS_PCX_H
+#define GRAPHICS_DECODERS_PCX_H
+
+#include "common/scummsys.h"
+#include "common/str.h"
+#include "graphics/decoders/image_decoder.h"
+
+namespace Common{
+class SeekableReadStream;
+}
+
+namespace Graphics {
+
+struct PixelFormat;
+struct Surface;
+
+class PCXDecoder : public ImageDecoder {
+public:
+	PCXDecoder();
+	virtual ~PCXDecoder();
+
+	// ImageDecoder API
+	void destroy();
+	virtual bool loadStream(Common::SeekableReadStream &stream);
+	virtual const Surface *getSurface() const { return _surface; }
+	const byte *getPalette() const { return _palette; }
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
+
+private:
+	void decodeRLE(Common::SeekableReadStream &stream, byte *dst, uint32 bytesPerScanline, bool compressed);
+	
+	Surface *_surface;
+	byte *_palette;
+	uint16 _paletteColorCount;
+};
+
+} // End of namespace Graphics
+
+#endif
-- 
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