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95 lines
2.8 KiB
95 lines
2.8 KiB
/*
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* Copyright (c) 2010-2011 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef GRAPHICS_H
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#define GRAPHICS_H
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#include "declarations.h"
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enum BlendFuncType {
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BLEND_NORMAL,
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BLEND_COLORIZING
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};
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class Graphics
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{
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public:
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/// Initialize default OpenGL states
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void init();
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/// Termiante graphics
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void terminate();
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/// Check if a GL extension is supported
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bool isExtensionSupported(const char *extension);
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/// Resizes OpenGL viewport
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void resize(const Size& size);
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/// Restore original viewport
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void restoreViewport();
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/// Called before every render
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void beginRender();
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/// Called after every render
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void endRender();
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void bindColor(const Color& color);
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void bindTexture(const TexturePtr& texture);
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void bindBlendFunc(BlendFuncType blendType);
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// drawing API
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void drawTexturedRect(const Rect& screenCoords,
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const TexturePtr& texture,
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const Rect& textureCoords = Rect());
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void drawRepeatedTexturedRect(const Rect& screenCoords,
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const TexturePtr& texture,
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const Rect& textureCoords);
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void drawFilledRect(const Rect& screenCoords);
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void drawBoundingRect(const Rect& screenCoords,
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int innerLineWidth = 1);
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const Size& getScreenSize() const { return m_screenSize; }
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void startDrawing();
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void stopDrawing();
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bool isDrawing() const { return m_drawing; }
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int getOpacity() const { return m_opacity; }
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void setOpacity(int opacity) { m_opacity = opacity; }
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TexturePtr getEmptyTexture() { return m_emptyTexture; }
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private:
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bool m_drawing;
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int m_opacity;
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Size m_screenSize;
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TexturePtr m_emptyTexture;
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};
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extern Graphics g_graphics;
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#endif
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