From 2e3fd7cf050e24b9f6363b1a38c6ff45847c6d6f Mon Sep 17 00:00:00 2001
From: Thomas Fach-Pedersen
Date: Fri, 16 May 2014 21:58:49 +0200
Subject: BLADERUNNER: Start port to scummvm engine

Just shows the splash for now. VQA decoder partially ported but without
audio and some minor special features.
---
 engines/bladerunner/image.cpp | 78 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 engines/bladerunner/image.cpp

(limited to 'engines/bladerunner/image.cpp')

diff --git a/engines/bladerunner/image.cpp b/engines/bladerunner/image.cpp
new file mode 100644
index 0000000000..fc6b68fd5a
--- /dev/null
+++ b/engines/bladerunner/image.cpp
@@ -0,0 +1,78 @@
+/* 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 "bladerunner/image.h"
+
+#include "bladerunner/bladerunner.h"
+#include "bladerunner/decompress_lcw.h"
+
+#include "common/rect.h"
+
+namespace BladeRunner {
+
+Image::Image(BladeRunnerEngine *vm)
+	: _vm(vm)
+{
+}
+
+bool Image::open(const Common::String &name) {
+	Common::SeekableReadStream *stream = _vm->getResourceStream(name);
+	if (!stream) {
+		debug("Image::open failed to open '%s'\n", name.c_str());
+		return false;
+	}
+
+	char tag[4] = { 0 };
+	stream->read(tag, 3);
+	uint32 width  = stream->readUint32LE();
+	uint32 height = stream->readUint32LE();
+
+	// Enforce a reasonable limit
+	assert(width < 8000 && height < 8000);
+
+	uint32 bufSize = stream->size();
+	uint8 *buf = new uint8[bufSize];
+	stream->read(buf, bufSize);
+
+	uint32 dataSize = 2 * width * height;
+	void *data = malloc(dataSize);
+	assert(data);
+
+	if (strcmp(tag, "LZO") == 0) {
+		debug("LZO");
+	} else if (strcmp(tag, "LCW") == 0) {
+		decompress_lcw(buf, bufSize, (uint8*)data, dataSize);
+	}
+
+	const Graphics::PixelFormat pixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0);
+	_surface.init(width, height, 2*width, data, pixelFormat);
+
+	delete[] buf;
+
+	return true;
+}
+
+void Image::copyToSurface(Graphics::Surface *dst) const {
+	dst->copyRectToSurface(_surface, 0, 0, Common::Rect(_surface.w, _surface.h));
+}
+
+}; // End of namespace BladeRunner
-- 
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