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annotate engine/core/gui/base/opengl/opengl_gui_graphics.cpp @ 695:47d58c7a95d7

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Fixed a bug in VFSDirectory that prevented absolute paths from being resolved. * Modified the VFSDirectory constructor so that it now adds the drive root as the VFS root by default, instead of the current working directory. * Added the current working directory to the VFS in Engine::preInit in addition to the default drive root. * Reverted a change to EventManager::processMouseEvent which prevents GUIChan from grabbing mouse input. The fact that GUIChan grabs all mouse input will need to be addressed once the GUI code is modularized.
author M. George Hansen <technopolitica@gmail.com>
date Fri, 10 Jun 2011 23:36:14 -1000
parents 853d25234671
children
rev   line source
0
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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 // Standard C++ library includes
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23
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24 // 3rd party library includes
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25 #include <guichan/opengl.hpp>
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26 #include <guichan/font.hpp>
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27 #include <guichan/exception.hpp>
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28
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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 dir
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33 #include "video/image.h"
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34 #include "gui/base/gui_image.h"
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35 #include "util/structures/rect.h"
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36 #include "video/opengl/fife_opengl.h"
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37
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38 #include "opengl_gui_graphics.h"
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39
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40 namespace FIFE {
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41 OpenGLGuiGraphics::OpenGLGuiGraphics(ImagePool& pool): m_pool(pool) {
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42 mTarget = SDL_GetVideoSurface();
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43 assert(mTarget);
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44 setTargetPlane(mTarget->w, mTarget->h);
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45
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46 }
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47
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48 void OpenGLGuiGraphics::drawImage(const gcn::Image* image, int srcX, int srcY, int dstX, int dstY, int width, int height) {
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49 const GuiImage* g_img = dynamic_cast<const GuiImage*>(image);
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50 assert(g_img);
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51 Image& fifeimg = m_pool.getImage(g_img->getPoolId());
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52 const gcn::ClipRectangle& clip = getCurrentClipArea();
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53 Rect rect(dstX, dstY, width, height);
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54 rect.x += clip.xOffset;
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55 rect.y += clip.yOffset;
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56 GLEnable flag(GL_TEXTURE_2D);
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57 fifeimg.render(rect, mTarget);
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58 }
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59
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60 void OpenGLGuiGraphics::drawText(const std::string& text, int x, int y,
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61 unsigned int alignment) {
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62 if (mFont == NULL)
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63 {
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64 throw GCN_EXCEPTION("No font set.");
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65 }
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66
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67 GLEnable flag(GL_TEXTURE_2D);
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68 switch (alignment)
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69 {
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70 case LEFT:
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71 mFont->drawString(this, text, x, y);
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72 break;
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73 case CENTER:
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74 mFont->drawString(this, text, x - mFont->getWidth(text) / 2, y);
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75 break;
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76 case RIGHT:
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77 mFont->drawString(this, text, x - mFont->getWidth(text), y);
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78 break;
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79 default:
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80 throw GCN_EXCEPTION("Unknown alignment.");
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81 }
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82 }
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83
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84 void OpenGLGuiGraphics::drawPoint(int x, int y) {
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85 GLDisable flag(GL_TEXTURE_2D);
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86 gcn::OpenGLGraphics::drawPoint(x, y);
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87 }
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88
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89 void OpenGLGuiGraphics::drawLine(int x1, int y1, int x2, int y2) {
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90 GLDisable flag(GL_TEXTURE_2D);
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91 gcn::OpenGLGraphics::drawLine(x1, y1, x2, y2);
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92 }
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93
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94 void OpenGLGuiGraphics::drawRectangle(const gcn::Rectangle& rectangle) {
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95 GLDisable flag(GL_TEXTURE_2D);
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96 gcn::OpenGLGraphics::drawRectangle(rectangle);
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97 }
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98 }