mirror of
https://github.com/mapmapteam/mapmap.git
synced 2026-06-16 12:33:19 +02:00
Alexandre Quessy
135 lines
3.0 KiB
C++
135 lines
3.0 KiB
C++
/*
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* Paint.h
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*
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* (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
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* (c) 2013 Alexandre Quessy -- alexandre(@)quessy(.)net
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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 PAINT_H_
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#define PAINT_H_
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#include <QtGlobal>
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#include <QtOpenGL>
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#include <string>
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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 <tr1/memory>
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/**
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* A Paint is a style that can be applied when drawing potentially any shape.
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*
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* Defines the way to draw any shape.
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* There must be a Mapper that implements this paint for every shape
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* so that this shape might be drawn with it.
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*/
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class Paint
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{
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protected:
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Paint(const char * name) : _name(name) {}
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public:
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typedef std::tr1::shared_ptr<Paint> ptr;
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virtual ~Paint() {}
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virtual void build() {}
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void setName(const char *name) { _name = name; }
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const char *getName() const { return _name.c_str(); }
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private:
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std::string _name;
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};
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/**
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* Paint that uses an OpenGL texture to paint on potentially any Mapper.
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*
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* This video texture is actually an OpenGL texture.
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*/
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class Texture : public Paint
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{
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protected:
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GLuint textureId;
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GLfloat x;
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GLfloat y;
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Texture(const char * name, GLuint textureId_=0) :
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Paint(name),
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textureId(textureId_), x(-1), y(-1)
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{}
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virtual ~Texture() {}
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public:
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GLuint getTextureId() const { return textureId; }
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virtual void loadTexture() = 0;
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virtual int getWidth() const = 0;
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virtual int getHeight() const = 0;
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virtual const uchar* getBits() const = 0;
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virtual void setPosition(GLfloat xPos, GLfloat yPos) {
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x = xPos;
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y = yPos;
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}
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virtual GLfloat getX() const { return x; }
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virtual GLfloat getY() const { return y; }
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};
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/**
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* Paint that is a Texture loaded from an image file.
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*/
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class Image : public Texture
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{
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protected:
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QString imagePath;
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QImage image;
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public:
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Image(const char * name, const QString imagePath_) :
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Texture(name),
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imagePath(imagePath_)
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{
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image = QGLWidget::convertToGLFormat(QImage(imagePath));
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}
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// TODO:
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// void setImagePath(const char *uri);
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virtual ~Image()
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{
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}
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virtual void loadTexture()
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{
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if (textureId == 0)
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{
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glGenTextures(1, &textureId);
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}
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// TODO: free data?
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}
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const QString getImagePath() const { return imagePath; }
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virtual void build() {
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}
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virtual int getWidth() const { return image.width(); }
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virtual int getHeight() const { return image.height(); }
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virtual const uchar* getBits() const { return image.bits(); }
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};
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#endif /* PAINT_H_ */
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