1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "titanic/support/image.h"
24 #include "titanic/support/files_manager.h"
25 #include "image/bmp.h"
26 #include "titanic/titanic.h"
27 
28 namespace Titanic {
29 
load(const CString & resName)30 void Image::load(const CString &resName) {
31 	Common::SeekableReadStream *stream = g_vm->_filesManager->getResource(resName);
32 	loadBitmap(*stream);
33 	delete stream;
34 }
35 
loadBitmap(Common::SeekableReadStream & s)36 void Image::loadBitmap(Common::SeekableReadStream &s) {
37 	::Image::BitmapDecoder decoder;
38 	decoder.loadStream(s);
39 	const Graphics::Surface *src = decoder.getSurface();
40 	Graphics::PixelFormat scrFormat = g_system->getScreenFormat();
41 
42 	if (src->format == scrFormat) {
43 		create(src->w, src->h, scrFormat);
44 		blitFrom(*src);
45 	} else {
46 		// Convert the loaded surface to the screen surface format
47 		const byte *palette = decoder.getPalette();
48 		Graphics::Surface *surface = src->convertTo(scrFormat, palette);
49 		create(surface->w, surface->h, scrFormat);
50 		blitFrom(*surface);
51 
52 		surface->free();
53 		delete surface;
54 	}
55 }
56 
57 } // End of namespace Titanic
58