1 files changed, 86 insertions, 0 deletions
diff --git a/engines/prince/graphics.cpp b/engines/prince/graphics.cpp
new file mode 100644
index 0000000000..025fa70003
--- /dev/null
+++ b/engines/prince/graphics.cpp
@@ -0,0 +1,86 @@
+/* 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 "prince/graphics.h"
+
+#include "prince/prince.h"
+
+#include "graphics/palette.h"
+
+namespace Prince {
+
+GraphicsMan::GraphicsMan(PrinceEngine *vm) 
+	: _vm(vm), _changed(false) {
+	initGraphics(640, 480, true);
+	_frontScreen = new Graphics::Surface();
+	_frontScreen->create(640, 480, Graphics::PixelFormat::createFormatCLUT8());
+}
+
+GraphicsMan::~GraphicsMan() {
+	_frontScreen->free();
+	delete _frontScreen;
+}
+
+void GraphicsMan::update() {
+	if (_changed) {
+		_vm->_system->copyRectToScreen((byte*)_frontScreen->getBasePtr(0,0), 640, 0, 0, 640, 480);
+
+		_vm->_system->updateScreen();
+		_changed = false;
+	}
+}
+
+void GraphicsMan::setPalette(const byte *palette) {
+	_vm->_system->getPaletteManager()->setPalette(palette, 0, 256);
+}
+
+void GraphicsMan::change() {
+	_changed = true;
+}
+
+void GraphicsMan::draw(uint16 posX, uint16 posY, const Graphics::Surface *s)
+{
+	uint16 w = MIN(_frontScreen->w, s->w);
+	for (uint y = 0; y < s->h; y++) {
+		if (y < _frontScreen->h) {
+		   memcpy((byte*)_frontScreen->getBasePtr(0, y), (byte*)s->getBasePtr(0, y), w);
+		}
+	}
+	change();
+}
+
+void GraphicsMan::drawTransparent(const Graphics::Surface *s)
+{
+	for (uint y = 0; y < s->h; ++y) {
+		for (uint x = 0; x < s->w; ++x) {
+			byte pixel = *((byte*)s->getBasePtr(x,y));
+			if (pixel != 255) {
+				*((byte*)_frontScreen->getBasePtr(x, y)) = pixel;
+			}
+		}
+	}
+   change();
+}
+
+}
+
+/* vim: set tabstop=4 noexpandtab: */