53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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*/
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#ifndef INCLUDED_VCL_INC_OPENGL_LINERENDERUTILS_H
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#define INCLUDED_VCL_INC_OPENGL_LINERENDERUTILS_H
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#include <opengl/VertexUtils.hxx>
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#include <opengl/RenderList.hxx>
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namespace vcl
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{
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class LineBuilder
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{
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private:
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std::vector<Vertex>& mrVertices;
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std::vector<GLuint>& mrIndices;
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GLubyte mR, mG, mB, mA;
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GLfloat mfLineWidth;
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GLfloat mfLineWidthAndAA;
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size_t mnInitialIndexSize;
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bool mbIncomplete;
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public:
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LineBuilder(std::vector<Vertex>& rVertices, std::vector<GLuint>& rIndices,
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SalColor nColor, GLfloat fTransparency,
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GLfloat fLineWidth, bool bUseAA);
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void appendLineSegment(const glm::vec2& rPoint1, const glm::vec2& rNormal1, GLfloat aExtrusion1,
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const glm::vec2& rPoint2, const glm::vec2& rNormal2, GLfloat aExtrusion2);
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void appendLine(const glm::vec2& rPoint1, const glm::vec2& rPoint2);
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void appendAndConnectLinePoint(const glm::vec2& rPoint, const glm::vec2& aNormal, GLfloat aExtrusion);
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void appendMiterJoint(glm::vec2 const & point, glm::vec2 prevLineVector, glm::vec2 const & nextLineVector);
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void appendBevelJoint(glm::vec2 const & point, glm::vec2 prevLineVector, glm::vec2 nextLineVector);
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void appendRoundJoint(glm::vec2 const & point, glm::vec2 prevLineVector, glm::vec2 nextLineVector);
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void appendRoundLineCapVertices(const glm::vec2& rPoint1, const glm::vec2& rPoint2);
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void appendSquareLineCapVertices(const glm::vec2& rPoint1, const glm::vec2& rPoint2);
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};
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} // end vcl
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#endif // INCLUDED_VCL_INC_OPENGL_LINERENDERUTILS_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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