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125 lines
4.9 KiB
125 lines
4.9 KiB
/*
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* Copyright (c) 2010-2015 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 PAINTER_H
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#define PAINTER_H
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#include <framework/graphics/declarations.h>
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#include <framework/graphics/coordsbuffer.h>
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#include <framework/graphics/paintershaderprogram.h>
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#include <framework/graphics/texture.h>
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class Painter
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{
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public:
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enum BlendEquation {
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BlendEquation_Add,
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BlendEquation_Max
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};
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enum CompositionMode {
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CompositionMode_Normal,
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CompositionMode_Multiply,
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CompositionMode_Add,
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CompositionMode_Replace,
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CompositionMode_DestBlending,
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CompositionMode_Light
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};
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enum DrawMode {
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Triangles = GL_TRIANGLES,
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TriangleStrip = GL_TRIANGLE_STRIP
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};
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Painter();
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virtual ~Painter() { }
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virtual void bind() { }
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virtual void unbind() { }
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virtual void saveState() = 0;
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virtual void saveAndResetState() = 0;
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virtual void restoreSavedState() = 0;
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virtual void clear(const Color& color) = 0;
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virtual void drawCoords(CoordsBuffer& coordsBuffer, DrawMode drawMode = Triangles) = 0;
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virtual void drawFillCoords(CoordsBuffer& coordsBuffer) = 0;
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virtual void drawTextureCoords(CoordsBuffer& coordsBuffer, const TexturePtr& texture) = 0;
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virtual void drawTexturedRect(const Rect& dest, const TexturePtr& texture, const Rect& src) = 0;
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void drawTexturedRect(const Rect& dest, const TexturePtr& texture) { drawTexturedRect(dest, texture, Rect(Point(0,0), texture->getSize())); }
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virtual void drawUpsideDownTexturedRect(const Rect& dest, const TexturePtr& texture, const Rect& src) = 0;
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virtual void drawRepeatedTexturedRect(const Rect& dest, const TexturePtr& texture, const Rect& src) = 0;
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virtual void drawFilledRect(const Rect& dest) = 0;
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virtual void drawFilledTriangle(const Point& a, const Point& b, const Point& c) = 0;
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virtual void drawBoundingRect(const Rect& dest, int innerLineWidth = 1) = 0;
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virtual void setTexture(Texture *texture) = 0;
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virtual void setClipRect(const Rect& clipRect) = 0;
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virtual void setColor(const Color& color) { m_color = color; }
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virtual void setAlphaWriting(bool enable) = 0;
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virtual void setBlendEquation(BlendEquation blendEquation) = 0;
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virtual void setShaderProgram(PainterShaderProgram *shaderProgram) { m_shaderProgram = shaderProgram; }
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void setShaderProgram(const PainterShaderProgramPtr& shaderProgram) { setShaderProgram(shaderProgram.get()); }
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virtual void scale(float x, float y) = 0;
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void scale(float factor) { scale(factor, factor); }
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virtual void translate(float x, float y) = 0;
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void translate(const Point& p) { translate(p.x, p.y); }
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virtual void rotate(float angle) = 0;
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virtual void rotate(float x, float y, float angle) = 0;
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void rotate(const Point& p, float angle) { rotate(p.x, p.y, angle); }
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virtual void setOpacity(float opacity) { m_opacity = opacity; }
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virtual void setResolution(const Size& resolution) { m_resolution = resolution; }
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Size getResolution() { return m_resolution; }
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Color getColor() { return m_color; }
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float getOpacity() { return m_opacity; }
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Rect getClipRect() { return m_clipRect; }
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CompositionMode getCompositionMode() { return m_compositionMode; }
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virtual void setCompositionMode(CompositionMode compositionMode) = 0;
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virtual void pushTransformMatrix() = 0;
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virtual void popTransformMatrix() = 0;
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void resetClipRect() { setClipRect(Rect()); }
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void resetOpacity() { setOpacity(1.0f); }
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void resetCompositionMode() { setCompositionMode(CompositionMode_Normal); }
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void resetColor() { setColor(Color::white); }
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void resetShaderProgram() { setShaderProgram(nullptr); }
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virtual bool hasShaders() = 0;
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protected:
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PainterShaderProgram *m_shaderProgram;
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CompositionMode m_compositionMode;
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Color m_color;
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Size m_resolution;
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float m_opacity;
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Rect m_clipRect;
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};
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extern Painter *g_painter;
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#endif
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