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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.
+ *
+ */
+
+/**
+ * @file
+ * Image decoder used in engines:
+ * - mohawk
+ * - pegasus
+ * - sci
+ */
+
+#ifndef IMAGE_PICT_H
+#define IMAGE_PICT_H
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "common/scummsys.h"
+
+#include "image/image_decoder.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace Image {
+
+#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 Graphics::Surface *getSurface() const { return _outputSurface; }
+ const byte *getPalette() const { return _palette; }
+ uint16 getPaletteColorCount() const { return _paletteColorCount; }
+
+ 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];
+ uint16 _paletteColorCount;
+ Graphics::Surface *_outputSurface;
+ bool _continueParsing;
+
+ // Utility Functions
+ void unpackBitsRect(Common::SeekableReadStream &stream, bool withPalette);
+ void unpackBitsLine(byte *out, uint32 length, Common::SeekableReadStream *stream, byte bitsPerPixel, byte bytesPerPixel);
+ void skipBitsRect(Common::SeekableReadStream &stream, bool withPalette);
+ 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 Image
+
+#endif