1 files changed, 61 insertions, 0 deletions
diff --git a/engines/glk/raw_decoder.cpp b/engines/glk/raw_decoder.cpp
new file mode 100644
index 0000000000..a5cd593338
--- /dev/null
+++ b/engines/glk/raw_decoder.cpp
@@ -0,0 +1,61 @@
+/* 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 "glk/raw_decoder.h"
+#include "common/stream.h"
+
+namespace Glk {
+
+RawDecoder::RawDecoder() : Image::ImageDecoder(), _palette(nullptr), _paletteColorCount(0) {
+}
+
+RawDecoder::~RawDecoder() {
+	destroy();
+}
+
+void RawDecoder::destroy() {
+	_surface.free();
+	delete[] _palette;
+	_palette = nullptr;
+}
+
+bool RawDecoder::loadStream(Common::SeekableReadStream &stream) {
+	// Reset member variables from previous decodings
+	destroy();
+
+	uint width = stream.readUint16LE();
+	uint height = stream.readUint16LE();
+	_paletteColorCount = stream.readByte();
+	assert(_paletteColorCount > 0);
+
+	// Read in the palette
+	_palette = new byte[_paletteColorCount * 3];
+	stream.read(_palette, _paletteColorCount * 3);
+
+	// Set up the surface and read it in
+	_surface.create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+	stream.read(_surface.getPixels(), width * height);
+
+	return true;
+}
+
+} // End of namespace Glk