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comparison engine/core/video/sdl/sdlimage.h @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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children 90005975cdbb
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-1:000000000000 0:4a0efb7baf70
1 /***************************************************************************
2 * Copyright (C) 2005-2008 by the FIFE team *
3 * http://www.fifengine.de *
4 * This file is part of FIFE. *
5 * *
6 * FIFE is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
20 ***************************************************************************/
21
22 #ifndef FIFE_VIDEO_RENDERBACKENDS_SDL_SDLIMAGE_H
23 #define FIFE_VIDEO_RENDERBACKENDS_SDL_SDLIMAGE_H
24
25 // Standard C++ library includes
26
27 // 3rd party library includes
28 #include <SDL_video.h>
29
30 // FIFE includes
31 // These includes are split up in two parts, separated by one empty line
32 // First block: files included from the FIFE root src directory
33 // Second block: files included from the same folder
34 #include "video/image.h"
35
36 namespace FIFE {
37
38 /** The SDL implementation of the @c Image base class.
39 */
40 class SDLImage : public Image {
41 public:
42 SDLImage(SDL_Surface* surface);
43 SDLImage(const uint8_t* data, unsigned int width, unsigned int height);
44 virtual ~SDLImage();
45 void render(const Rect& rect, SDL_Surface* dst, unsigned char alpha = 255);
46 void saveImage(const std::string& filename);
47 bool putPixel(int x, int y, int r, int g, int b);
48 void drawLine(const Point& p1, const Point& p2, int r, int g, int b);
49 void drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b);
50
51 protected:
52 void setClipArea(const Rect& cliparea, bool clear);
53
54 private:
55 // Call this before rendering
56 void finalize();
57
58 /** SDL Alpha Optimizer
59 * This tries to convert an image with a fake alpha channel
60 * to an RGB image when the channel can be reasonably be replaced
61 * by an colorkey.
62 */
63 SDL_Surface* optimize(SDL_Surface* surface);
64
65 void resetSdlimage();
66
67 // SDLSurface used to create the SDLImage.
68 Uint8 m_last_alpha;
69 // Is the surface already optimized for rendering
70 bool m_finalized;
71 // Wether to try to optimize alpha out ...
72 bool m_optimize_alpha;
73 };
74
75 }
76
77 #endif