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