1 files changed, 79 insertions, 0 deletions
diff --git a/engines/titanic/support/image_decoders.cpp b/engines/titanic/support/image_decoders.cpp
new file mode 100644
index 0000000000..9fe55eb02b
--- /dev/null
+++ b/engines/titanic/support/image_decoders.cpp
@@ -0,0 +1,79 @@
+/* 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 "titanic/support/image_decoders.h"
+
+namespace Titanic {
+
+void CJPEGDecode::decode(OSVideoSurface &surface, const CString &name) {
+	// Open up the resource
+	StdCWadFile file;
+	file.open(name);
+
+	// Use the ScucmmVM deoder to decode it
+	loadStream(*file.readStream());
+	const Graphics::Surface *srcSurf = getSurface();
+	
+	// Resize the surface if necessary
+	if (!surface.hasSurface() || surface.getWidth() != srcSurf->w 
+			|| surface.getHeight() != srcSurf->h)
+		surface.resize(srcSurf->w, srcSurf->h);
+
+	// Convert the decoded surface to the correct pixel format, and then copy it over
+	surface.lock();
+	Graphics::Surface *convertedSurface = srcSurf->convertTo(surface._rawSurface->format);
+
+	Common::copy((byte *)convertedSurface->getPixels(), (byte *)convertedSurface->getPixels() +
+		surface.getPitch() * surface.getHeight(), (byte *)surface._rawSurface->getPixels());
+
+	delete convertedSurface;
+	surface.unlock();
+}
+
+/*------------------------------------------------------------------------*/
+
+void CTargaDecode::decode(OSVideoSurface &surface, const CString &name) {
+	// Open up the resource
+	StdCWadFile file;
+	file.open(name);
+
+	// Use the ScucmmVM deoder to decode it
+	loadStream(*file.readStream());
+	const Graphics::Surface *srcSurf = getSurface();
+
+	// Resize the surface if necessary
+	if (!surface.hasSurface() || surface.getWidth() != srcSurf->w
+			|| surface.getHeight() != srcSurf->h)
+		surface.resize(srcSurf->w, srcSurf->h);
+
+	// Convert the decoded surface to the correct pixel format, and then copy it over
+	surface.lock();
+	Graphics::Surface *convertedSurface = srcSurf->convertTo(surface._rawSurface->format);
+
+	Common::copy((byte *)convertedSurface->getPixels(), (byte *)convertedSurface->getPixels() +
+		surface.getPitch() * surface.getHeight(), (byte *)surface._rawSurface->getPixels());
+
+	delete convertedSurface;
+	surface.unlock();
+}
+
+} // End of namespace Titanic