1 files changed, 111 insertions, 0 deletions
diff --git a/engines/director/dib.cpp b/engines/director/dib.cpp
new file mode 100644
index 0000000000..8c54ba5363
--- /dev/null
+++ b/engines/director/dib.cpp
@@ -0,0 +1,111 @@
+/* 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 "graphics/palette.h"
+#include "image/codecs/codec.h"
+#include "common/util.h"
+#include "common/debug.h"
+#include "image/codecs/bmp_raw.h"
+#include "common/system.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 steps = stream.size() / 6;
+	uint16 index = (steps * 3) - 1;
+	_paletteColorCount = steps;
+	_palette = new byte[index];
+
+	for (uint8 i = 0; i < steps; i++) {
+		_palette[index - 2] = stream.readByte();
+		stream.readByte();
+
+		_palette[index - 1] = stream.readByte();
+		stream.readByte();
+
+		_palette[index] = stream.readByte();
+		stream.readByte();
+		index -= 3;
+	}
+}
+
+bool DIBDecoder::loadStream(Common::SeekableReadStream &stream) {
+	uint32 headerSize = stream.readUint32LE();
+	if (headerSize != 40)
+		return false;
+
+	uint32 width = stream.readUint32LE();
+	uint32 height = stream.readUint32LE();
+	stream.readUint16LE(); // planes
+	uint16 bitsPerPixel = stream.readUint16LE();
+	uint32 compression = stream.readUint32BE();
+	uint32 imageSize = stream.readUint32LE();
+	/* uint32 pixelsPerMeterX = */ stream.readUint32LE();
+	/* uint32 pixelsPerMeterY = */ stream.readUint32LE();
+	_paletteColorCount = stream.readUint32LE();
+	/* uint32 colorsImportant = */ stream.readUint32LE();
+
+	_paletteColorCount = (_paletteColorCount == 0) ? 255: _paletteColorCount;
+
+	uint16 imageRawSize = stream.size() - 40;
+	Common::SeekableSubReadStream subStream(&stream, 40, stream.size());
+
+	_codec = Image::createBitmapCodec(compression, width, height, bitsPerPixel);
+
+	if (!_codec)
+		return false;
+
+	_surface = _codec->decodeFrame(subStream);
+
+	return true;
+}
+
+} // End of namespace Director