nux-0.9.46

NuxGraphics/GLSh_ColorPicker.h

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00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #ifndef GLSH_COLORPICKER_H
00024 #define GLSH_COLORPICKER_H
00025 
00026 #include "IOpenGLGLSLShader.h"
00027 #include "GLShaderParameter.h"
00028 #include "NuxCore/Math/Matrix4.h"
00029 #include "GLDeviceObjects.h"
00030 
00031 namespace nux
00032 {
00033 
00034   class TemplateQuadBuffer;
00035 
00036   class GLSh_ColorPicker
00037   {
00038   public:
00039     GLSh_ColorPicker (eColorChannel cc);
00040     ~GLSh_ColorPicker();
00041 
00042     void SetColor (float R, float G, float B, float A);
00043     void SetScreenPositionOffset (float x, float y);
00044     void Render (int x, int y, int z, int width, int height, int WindowWidth, int WindowHeight);
00045 
00046 
00047   private:
00048     float _R, _G, _B, _A;
00049     float _ScreenOffsetX, _ScreenOffsetY;
00050 
00051     ObjectPtr<IOpenGLPixelShader> GlobalPixelShader;
00052     ObjectPtr<IOpenGLShaderProgram> sprog;
00053     ObjectPtr<IOpenGLAsmShaderProgram> m_AsmProg;
00054 
00055     eColorChannel m_ColorChannel;
00056     UINT ViewPortX;
00057     UINT ViewPortY;
00058     UINT ViewPortWidth;
00059     UINT ViewPortHeight;
00060   };
00061 
00062 }
00063 
00064 #endif // GLSH_COLORPICKER_H