2019-10-14 19:24:36 -04:00
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///////////////////////////////////////////////////////////////////////////////////
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2023-11-19 07:31:45 -05:00
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
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2019-10-14 19:24:36 -04:00
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// //
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// Inspired by: //
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// https://en.wikibooks.org/wiki/OpenGL_Programming/Modern_OpenGL_Tutorial_03 // //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_GUI_GLSHADERCOLORS_H_
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#define INCLUDE_GUI_GLSHADERCOLORS_H_
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#include <QString>
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#include <QOpenGLFunctions>
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#include <QOpenGLVertexArrayObject>
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#include <QOpenGLBuffer>
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#include "export.h"
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class QOpenGLShaderProgram;
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class QMatrix4x4;
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class QVector4D;
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class SDRGUI_API GLShaderColors
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{
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public:
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GLShaderColors();
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~GLShaderColors();
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void initializeGL(int majorVersion, int minorVersion);
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void drawPoints(const QMatrix4x4& transformMatrix, GLfloat *vertices, GLfloat *colors, GLfloat alpha, int nbVertices);
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void drawPolyline(const QMatrix4x4& transformMatrix, GLfloat *vertices, GLfloat *colors, GLfloat alpha, int nbVertices);
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void drawSegments(const QMatrix4x4& transformMatrix, GLfloat *vertices, GLfloat *colors, GLfloat alpha, int nbVertices);
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void drawContour(const QMatrix4x4& transformMatrix, GLfloat *vertices, GLfloat *colors, GLfloat alpha, int nbVertices);
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void drawSurface(const QMatrix4x4& transformMatrix, GLfloat *vertices, GLfloat *colors, GLfloat alpha, int nbVertices);
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void cleanup();
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private:
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void draw(unsigned int mode, const QMatrix4x4& transformMatrix, GLfloat *vertices, GLfloat *colors, GLfloat alpha, int nbVertices);
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QOpenGLShaderProgram *m_program;
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QOpenGLVertexArrayObject *m_vao;
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QOpenGLBuffer *m_verticesBuf;
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QOpenGLBuffer *m_colorBuf;
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int m_matrixLoc;
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int m_alphaLoc;
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static const QString m_vertexShaderSourceSimple2;
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static const QString m_vertexShaderSourceSimple;
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static const QString m_fragmentShaderSourceColored2;
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static const QString m_fragmentShaderSourceColored;
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};
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#endif /* INCLUDE_GUI_GLSHADERCOLORS_H_ */
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