From 4516b5ea24e6c0056984a65fe4fff33553931487 Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Sat, 2 Jul 2011 21:02:58 -0400
Subject: GRAPHICS: Convert PictDecoder to the ImageDecoder API

---
 graphics/decoders/pict.h | 130 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 graphics/decoders/pict.h

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

diff --git a/graphics/decoders/pict.h b/graphics/decoders/pict.h
new file mode 100644
index 0000000000..b1e45a6bc1
--- /dev/null
+++ b/graphics/decoders/pict.h
@@ -0,0 +1,130 @@
+/* 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.
+ *
+ */
+
+#ifndef GRAPHICS_PICT_H
+#define GRAPHICS_PICT_H
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "common/scummsys.h"
+
+#include "graphics/decoders/image_decoder.h"
+#include "graphics/pixelformat.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+
+struct Surface;
+
+#define DECLARE_OPCODE(x) void x(Common::SeekableReadStream &stream)
+
+class PICTDecoder : public ImageDecoder {
+public:
+	PICTDecoder();
+	~PICTDecoder();
+
+	// ImageDecoder API
+	bool loadStream(Common::SeekableReadStream &stream);
+	void destroy();
+	const Surface *getSurface() const { return _outputSurface; }
+	const byte *getPalette() const { return _palette; }
+
+	struct PixMap {
+		uint32 baseAddr;
+		uint16 rowBytes;
+		Common::Rect bounds;
+		uint16 pmVersion;
+		uint16 packType;
+		uint32 packSize;
+		uint32 hRes;
+		uint32 vRes;
+		uint16 pixelType;
+		uint16 pixelSize;
+		uint16 cmpCount;
+		uint16 cmpSize;
+		uint32 planeBytes;
+		uint32 pmTable;
+		uint32 pmReserved;
+	};
+
+	static PixMap readPixMap(Common::SeekableReadStream &stream, bool hasBaseAddr = true);
+
+private:
+	Common::Rect _imageRect;
+	byte _palette[256 * 3];
+	Graphics::Surface *_outputSurface;
+	bool _continueParsing;
+
+	// Utility Functions
+	void unpackBitsRect(Common::SeekableReadStream &stream, bool hasPalette);
+	void unpackBitsLine(byte *out, uint32 length, Common::SeekableReadStream *stream, byte bitsPerPixel, byte bytesPerPixel);
+	void skipBitsRect(Common::SeekableReadStream &stream, bool hasPalette);
+	void decodeCompressedQuickTime(Common::SeekableReadStream &stream);
+	void outputPixelBuffer(byte *&out, byte value, byte bitsPerPixel);
+
+	// Opcodes
+	typedef void (PICTDecoder::*OpcodeProcPICT)(Common::SeekableReadStream &stream);
+	struct PICTOpcode {
+		PICTOpcode() { op = 0; proc = 0; desc = 0; }
+		PICTOpcode(uint16 o, OpcodeProcPICT p, const char *d) { op = o; proc = p; desc = d; }
+		uint16 op;
+		OpcodeProcPICT proc;
+		const char *desc;
+	};
+	Common::Array<PICTOpcode> _opcodes;
+
+	// Common Opcodes
+	void setupOpcodesCommon();
+	DECLARE_OPCODE(o_nop);
+	DECLARE_OPCODE(o_clip);
+	DECLARE_OPCODE(o_txFont);
+	DECLARE_OPCODE(o_txFace);
+	DECLARE_OPCODE(o_pnSize);
+	DECLARE_OPCODE(o_txSize);
+	DECLARE_OPCODE(o_txRatio);
+	DECLARE_OPCODE(o_versionOp);
+	DECLARE_OPCODE(o_longText);
+	DECLARE_OPCODE(o_longComment);
+	DECLARE_OPCODE(o_opEndPic);
+	DECLARE_OPCODE(o_headerOp);
+
+	// Regular-mode Opcodes
+	void setupOpcodesNormal();
+	DECLARE_OPCODE(on_packBitsRect);
+	DECLARE_OPCODE(on_directBitsRect);
+	DECLARE_OPCODE(on_compressedQuickTime);
+
+	// QuickTime-mode Opcodes
+	void setupOpcodesQuickTime();
+	DECLARE_OPCODE(oq_packBitsRect);
+	DECLARE_OPCODE(oq_directBitsRect);
+	DECLARE_OPCODE(oq_compressedQuickTime);
+};
+
+#undef DECLARE_OPCODE
+
+} // End of namespace Graphics
+
+#endif
-- 
cgit v1.2.3