100 lines
4.4 KiB
C++
100 lines
4.4 KiB
C++
// ---------------------------------------------------------------------------
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//
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// @file TwOpenGL.h
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// @brief OpenGL graph functions
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// @author Philippe Decaudin - http://www.antisphere.com
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// @license This file is part of the AntTweakBar library.
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// For conditions of distribution and use, see License.txt
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//
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// notes: Private header
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// TAB=4
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//
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// ---------------------------------------------------------------------------
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#if !defined ANT_TW_OPENGL_INCLUDED
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#define ANT_TW_OPENGL_INCLUDED
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#include "TwGraph.h"
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// ---------------------------------------------------------------------------
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class CTwGraphOpenGL : public ITwGraph
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{
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public:
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virtual int Init();
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virtual int Shut();
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virtual void BeginDraw(int _WndWidth, int _WndHeight);
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virtual void EndDraw();
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virtual bool IsDrawing();
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virtual void Restore();
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virtual void DrawLine(int _X0, int _Y0, int _X1, int _Y1, color32 _Color0, color32 _Color1, bool _AntiAliased=false);
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virtual void DrawLine(int _X0, int _Y0, int _X1, int _Y1, color32 _Color, bool _AntiAliased=false) { DrawLine(_X0, _Y0, _X1, _Y1, _Color, _Color, _AntiAliased); }
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virtual void DrawRect(int _X0, int _Y0, int _X1, int _Y1, color32 _Color00, color32 _Color10, color32 _Color01, color32 _Color11);
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virtual void DrawRect(int _X0, int _Y0, int _X1, int _Y1, color32 _Color) { DrawRect(_X0, _Y0, _X1, _Y1, _Color, _Color, _Color, _Color); }
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virtual void DrawTriangles(int _NumTriangles, int *_Vertices, color32 *_Colors, Cull _CullMode);
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virtual void * NewTextObj();
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virtual void DeleteTextObj(void *_TextObj);
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virtual void BuildText(void *_TextObj, const std::string *_TextLines, color32 *_LineColors, color32 *_LineBgColors, int _NbLines, const CTexFont *_Font, int _Sep, int _BgWidth);
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virtual void DrawText(void *_TextObj, int _X, int _Y, color32 _Color, color32 _BgColor);
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virtual void ChangeViewport(int _X0, int _Y0, int _Width, int _Height, int _OffsetX, int _OffsetY);
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virtual void RestoreViewport();
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virtual void SetScissor(int _X0, int _Y0, int _Width, int _Height);
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protected:
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bool m_Drawing;
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GLuint m_FontTexID;
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const CTexFont * m_FontTex;
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GLfloat m_PrevLineWidth;
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GLint m_PrevTexEnv;
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GLint m_PrevPolygonMode[2];
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GLint m_MaxClipPlanes;
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GLint m_PrevTexture;
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GLint m_PrevArrayBufferARB;
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GLint m_PrevElementArrayBufferARB;
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GLboolean m_PrevVertexProgramARB;
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GLboolean m_PrevFragmentProgramARB;
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GLuint m_PrevProgramObjectARB;
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GLboolean m_PrevTexture3D;
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enum EMaxTextures { MAX_TEXTURES = 128 };
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GLboolean m_PrevActiveTexture1D[MAX_TEXTURES];
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GLboolean m_PrevActiveTexture2D[MAX_TEXTURES];
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GLboolean m_PrevActiveTexture3D[MAX_TEXTURES];
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GLboolean m_PrevClientTexCoordArray[MAX_TEXTURES];
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GLint m_PrevActiveTextureARB;
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GLint m_PrevClientActiveTextureARB;
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bool m_SupportTexRect;
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GLboolean m_PrevTexRectARB;
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GLint m_PrevBlendEquation;
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GLint m_PrevBlendEquationRGB;
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GLint m_PrevBlendEquationAlpha;
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GLint m_PrevBlendSrcRGB;
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GLint m_PrevBlendDstRGB;
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GLint m_PrevBlendSrcAlpha;
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GLint m_PrevBlendDstAlpha;
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GLuint m_PrevVertexArray;
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GLint m_ViewportInit[4];
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GLfloat m_ProjMatrixInit[16];
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enum EMaxVtxAttribs { MAX_VERTEX_ATTRIBS = 128 };
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GLint m_PrevEnabledVertexAttrib[MAX_VERTEX_ATTRIBS];
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int m_WndWidth;
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int m_WndHeight;
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struct Vec2 { GLfloat x, y; Vec2(){} Vec2(GLfloat _X, GLfloat _Y):x(_X),y(_Y){} Vec2(int _X, int _Y):x(GLfloat(_X)),y(GLfloat(_Y)){} };
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struct CTextObj
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{
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std::vector<Vec2> m_TextVerts;
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std::vector<Vec2> m_TextUVs;
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std::vector<Vec2> m_BgVerts;
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std::vector<color32>m_Colors;
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std::vector<color32>m_BgColors;
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};
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};
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// ---------------------------------------------------------------------------
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#endif // !defined ANT_TW_OPENGL_INCLUDED
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