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https://github.com/mapmapteam/mapmap.git
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79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Util.h
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*
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* (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
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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, either 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 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 UTIL_H_
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#define UTIL_H_
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#if __APPLE__
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#include <OpenGL/gl.h>
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#else
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#include <GL/gl.h>
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#endif
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#include "Shapes.h"
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#include "MM.h"
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#include "Paint.h"
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#include <QString>
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MM_BEGIN_NAMESPACE
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/**
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* @namespace Util Useful functions.
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*/
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namespace Util {
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/// Calls glTexCoord2f() with the corrected texture coordinates.
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void correctGlTexCoord(GLfloat x, GLfloat y);
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/**
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* Takes a point (intputPoint) on texture and outputs it as a GL vertex on output (outputPoint).
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* Useful in texture mappings, where one often needs to call this function to project points from texture
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* between glBegin(<GL_SHAPE>) and glEnd() calls.
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*/
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void setGlTexPoint(const Texture& texture, const QPointF& inputPoint, const QPointF& outputPoint);
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float map_float(float value, float istart, float istop, float ostart, float ostop);
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int map_int(int value, int istart, int istop, int ostart, int ostop);
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Mesh* createMeshForTexture(Texture* texture, int frameWidth, int frameHeight);
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Triangle* createTriangleForTexture(Texture* texture, int frameWidth, int frameHeight);
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Ellipse* createEllipseForTexture(Texture* texture, int frameWidth, int frameHeight);
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Quad* createQuadForColor(int frameWidth, int frameHeight);
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Triangle* createTriangleForColor(int frameWidth, int frameHeight);
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Ellipse* createEllipseForColor(int frameWidth, int frameHeight);
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void drawControlsVertex(QPainter* painter, const QPointF& vertex, bool selected, bool locked, qreal radius = MM::VERTEX_SELECT_RADIUS, qreal strokeWidth = MM::VERTEX_SELECT_STROKE_WIDTH);
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/**
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* Checks if a file exists or not.
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*/
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bool fileExists(const QString& filename);
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bool eraseFile(const QString& filename);
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bool eraseSettings();
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bool isNumeric(const QString& text);
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} // end of namespace
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MM_END_NAMESPACE
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#endif /* UTIL_H_ */
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