DIRECTOR: Add initial for support DIB resource

engines/director/dib.cpp

@@ -0,0 +1,108 @@
+/* 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.
+ *
+ */
+
+#include "director/dib.h"
+
+#include "common/stream.h"
+#include "common/substream.h"
+#include "common/textconsole.h"
+#include "graphics/pixelformat.h"
+#include "graphics/surface.h"
+#include "image/codecs/codec.h"
+#include "common/debug.h"
+
+namespace Director {
+
+DIBDecoder::DIBDecoder() {
+	_surface = 0;
+	_palette = 0;
+	_paletteColorCount = 0;
+	_codec = 0;
+}
+
+DIBDecoder::~DIBDecoder() {
+	destroy();
+}
+
+void DIBDecoder::destroy() {
+	_surface = 0;
+
+	delete[] _palette;
+	_palette = 0;
+
+	_paletteColorCount = 0;
+
+	delete _codec;
+	_codec = 0;
+}
+
+void DIBDecoder::loadPalette(Common::SeekableReadStream &stream) {
+	uint16 palentries = 256;
+	_palette = new byte[1024];
+
+	uint16 size = stream.size();
+	uint16 index = 0;
+	for (int i = 6; i < stream.size() + 6; i+=6) {
+		uint16 n = size - i;
+		if (i >= palentries) {
+			break;
+		}
+		stream.seek(n + 4);
+		_palette[index] = stream.readByte();
+		++index;
+		stream.seek(n + 2);
+		_palette[index] = stream.readByte();
+		++index;
+		stream.seek(n);
+		_palette[index] = stream.readByte();
+		++index;
+		_palette[index] = 0;
+		++index;
+	}
+	while (index < 1024) {
+		_palette[index] = 0;
+		++index;
+	}
+}	
+
+bool DIBDecoder::loadStream(Common::SeekableReadStream &stream) {
+	destroy();
+	if (stream.readByte() != 40)
+		return false;
+	if (stream.readByte() != 0)
+		return false;
+
+	stream.seek(4);
+	uint16 width = stream.readUint32LE();
+	uint16 height = stream.readUint32LE();
+	_paletteColorCount = (stream.readUint32LE() + stream.readUint32LE()) << 8;
+	_paletteColorCount = (_paletteColorCount == 0) ? 255: _paletteColorCount;
+	uint16 totalsize = 14 + stream.size() + sizeof(_palette)/sizeof(byte);
+
+	debug("%d", _paletteColorCount);
+	debug("%d", width);
+	debug("%d", height);
+	debug("%d", totalsize);
+	return true;
+}
+
+} // End of namespace Director

engines/director/dib.h

@@ -0,0 +1,74 @@
+/* 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:
+ *  - hugo
+ *  - mohawk
+ *  - wintermute
+ */
+
+#ifndef IMAGE_BMP_H
+#define IMAGE_BMP_H
+
+#include "common/scummsys.h"
+#include "common/str.h"
+#include "image/image_decoder.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+struct Surface;
+}
+
+namespace Image {
+class Codec;
+}
+
+namespace Director {
+
+class DIBDecoder : public Image::ImageDecoder {
+public:
+	DIBDecoder();
+	virtual ~DIBDecoder();
+
+	// ImageDecoder API
+	void destroy();
+	virtual bool loadStream(Common::SeekableReadStream &stream);
+	virtual const Graphics::Surface *getSurface() const { return _surface; }
+	const byte *getPalette() const { return _palette; }
+	void loadPalette(Common::SeekableReadStream &stream);
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
+
+private:
+	Image::Codec *_codec;
+	const Graphics::Surface *_surface;
+	byte *_palette;
+	uint8 _paletteColorCount;
+};
+
+} // End of namespace Director
+
+#endif

engines/director/director.cpp

@@ -30,6 +30,7 @@
 #include "common/stream.h"
 #include "common/system.h"
 #include "common/textconsole.h"
+#include "director/dib.h"
 
 #include "director/director.h"
 #include "director/resource.h"

engines/director/module.mk

@@ -3,8 +3,8 @@ MODULE := engines/director
 MODULE_OBJS = \
 	detection.o \
 	director.o \
-	resource.o
-
+	resource.o \
+	dib.o
 # This module can be built as a plugin
 ifeq ($(ENABLE_DIRECTOR), DYNAMIC_PLUGIN)
 PLUGIN := 1

engines/director/resource.cpp

@@ -235,9 +235,9 @@ bool RIFFArchive::openStream(Common::SeekableReadStream *stream, uint32 startOff
 	uint32 cftcSize = stream->readUint32LE();
 	uint32 startPos = stream->pos();
 	stream->readUint32LE(); // unknown (always 0?)
-
 	while ((uint32)stream->pos() < startPos + cftcSize) {
 		uint32 tag = convertTagToUppercase(stream->readUint32BE());
+
 		uint32 size = stream->readUint32LE();
 		uint32 id = stream->readUint32LE();
 		uint32 offset = stream->readUint32LE();
@@ -270,8 +270,7 @@ Common::SeekableReadStream *RIFFArchive::getResource(uint32 tag, uint16 id) {
 
 	// Adjust to skip the resource header
 	uint32 offset = res.offset + 12;
-	uint32 size = res.size - 12;
-
+	uint32 size = res.size - 4;
 	// Skip the Pascal string
 	_stream->seek(offset);
 	byte stringSize = _stream->readByte() + 1; // 1 for this byte