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annotate engine/core/video/sdl/sdlimage.h @ 484:e584b0b8b4a2

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Added SoundEmitter::getDecodedLength and SoundEmitter::getDuration. The getDuration function will allow a timer to be registered to fire after the sound has been played. This is not a callback as requested but it does provide the functionality if required. I will be committing an example of it in the shooter demo shortly. [t:346]
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 30 Apr 2010 15:33:27 +0000
parents ad1f09d954f9
children 47b49b9b0c0a
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_VIDEO_RENDERBACKENDS_SDL_SDLIMAGE_H
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23 #define FIFE_VIDEO_RENDERBACKENDS_SDL_SDLIMAGE_H
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24
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25 // Standard C++ library includes
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26
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27 // 3rd party library includes
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28 #include <SDL_video.h>
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "video/image.h"
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35
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36 namespace FIFE {
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37
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38 /** The SDL implementation of the @c Image base class.
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39 */
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40 class SDLImage : public Image {
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41 public:
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42 SDLImage(SDL_Surface* surface);
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43 SDLImage(const uint8_t* data, unsigned int width, unsigned int height);
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44 virtual ~SDLImage();
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45 void render(const Rect& rect, SDL_Surface* dst, unsigned char alpha = 255);
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46 void saveImage(const std::string& filename);
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47 bool putPixel(int x, int y, int r, int g, int b);
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48 void drawLine(const Point& p1, const Point& p2, int r, int g, int b);
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49 void drawQuad(const Point& p1, const Point& p2, const Point& p3, const Point& p4, int r, int g, int b);
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ad1f09d954f9 Added the ability to render a vertex on the screen. The vertex is represented by a small square. fixes[t:455]
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50 void drawVertex(const Point& p, const uint8_t size, int r, int g, int b);
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51
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52 protected:
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53 void setClipArea(const Rect& cliparea, bool clear);
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54
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55 private:
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56 // Call this before rendering
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57 void finalize();
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58
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59 /** SDL Alpha Optimizer
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60 * This tries to convert an image with a fake alpha channel
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61 * to an RGB image when the channel can be reasonably be replaced
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62 * by an colorkey.
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63 */
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64 SDL_Surface* optimize(SDL_Surface* surface);
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65
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66 void resetSdlimage();
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67
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68 // SDLSurface used to create the SDLImage.
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69 Uint8 m_last_alpha;
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70 // Is the surface already optimized for rendering
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71 bool m_finalized;
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ad7969d9460b A client can now specify a global color key to be used with all images. The default color key is (255,0,255) in RGB format. Also the client can enable/disable the color key feature by using the setColorKeyEnabled function in the EngineSettings class. By default the color key feature is disabled. fixes[t:451]
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72 SDL_Color m_colorkey;
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73 };
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74
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75 }
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76
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77 #endif