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120 lines
4.2 KiB
120 lines
4.2 KiB
/*
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* Copyright (c) 2010-2014 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 PAINTEROGL_H
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#define PAINTEROGL_H
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#include <framework/graphics/painter.h>
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class PainterOGL : public Painter
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{
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public:
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struct PainterState {
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Size resolution;
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Matrix3 transformMatrix;
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Matrix3 projectionMatrix;
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Matrix3 textureMatrix;
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Color color;
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float opacity;
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Painter::CompositionMode compositionMode;
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Painter::BlendEquation blendEquation;
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Rect clipRect;
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Texture *texture;
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PainterShaderProgram *shaderProgram;
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bool alphaWriting;
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};
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PainterOGL();
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virtual ~PainterOGL() { }
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virtual void bind() { refreshState(); }
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virtual void unbind() { }
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void resetState();
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virtual void refreshState();
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void saveState();
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void saveAndResetState();
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void restoreSavedState();
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void clear(const Color& color);
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void clearRect(const Color& color, const Rect& rect);
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virtual void setTransformMatrix(const Matrix3& transformMatrix) { m_transformMatrix = transformMatrix; }
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virtual void setProjectionMatrix(const Matrix3& projectionMatrix) { m_projectionMatrix = projectionMatrix; }
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virtual void setTextureMatrix(const Matrix3& textureMatrix) { m_textureMatrix = textureMatrix; }
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virtual void setCompositionMode(CompositionMode compositionMode);
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virtual void setBlendEquation(BlendEquation blendEquation);
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virtual void setClipRect(const Rect& clipRect);
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virtual void setShaderProgram(PainterShaderProgram *shaderProgram) { m_shaderProgram = shaderProgram; }
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virtual void setTexture(Texture *texture);
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virtual void setAlphaWriting(bool enable);
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void setTexture(const TexturePtr& texture) { setTexture(texture.get()); }
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void setResolution(const Size& resolution);
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void scale(float x, float y);
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void translate(float x, float y);
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void rotate(float angle);
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void rotate(float x, float y, float angle);
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void pushTransformMatrix();
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void popTransformMatrix();
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Matrix3 getTransformMatrix() { return m_transformMatrix; }
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Matrix3 getProjectionMatrix() { return m_projectionMatrix; }
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Matrix3 getTextureMatrix() { return m_textureMatrix; }
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BlendEquation getBlendEquation() { return m_blendEquation; }
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PainterShaderProgram *getShaderProgram() { return m_shaderProgram; }
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bool getAlphaWriting() { return m_alphaWriting; }
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void resetBlendEquation() { setBlendEquation(BlendEquation_Add); }
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void resetTexture() { setTexture(nullptr); }
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void resetAlphaWriting() { setAlphaWriting(false); }
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void resetTransformMatrix() { setTransformMatrix(Matrix3()); }
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protected:
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void updateGlTexture();
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void updateGlCompositionMode();
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void updateGlBlendEquation();
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void updateGlClipRect();
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void updateGlAlphaWriting();
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void updateGlViewport();
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CoordsBuffer m_coordsBuffer;
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std::vector<Matrix3> m_transformMatrixStack;
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Matrix3 m_transformMatrix;
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Matrix3 m_projectionMatrix;
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Matrix3 m_textureMatrix;
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BlendEquation m_blendEquation;
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Texture *m_texture;
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bool m_alphaWriting;
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PainterState m_olderStates[10];
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int m_oldStateIndex;
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uint m_glTextureId;
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};
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#endif
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