Files
mapmap/Mapper.h
2013-11-27 01:33:04 -05:00

163 lines
3.6 KiB
C++

/*
* Mapper.h
*
* (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
* (c) 2013 Alexandre Quessy -- alexandre(@)quessy(.)net
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAPPER_H_
#define MAPPER_H_
#include <QtGlobal>
#include <tr1/memory>
#include <GL/gl.h>
#include <stdlib.h>
#include <stdio.h>
#include "Shape.h"
#include "Paint.h"
#include "Util.h"
/**
* One object in the scene that is a shape with some paint on it.
*
* A Mapping is an area of the rendering window that is drawn with
* either some texture, or any special effect that might animate a
* polygon or a line.
*/
class Mapping
{
protected:
Paint::ptr _paint;
Shape::ptr _shape;
public:
typedef std::tr1::shared_ptr<Mapping> ptr;
Mapping(Paint* paint, Shape* shape)
: _paint(paint), _shape(shape)
{}
virtual void build() {
_paint->build();
_shape->build();
}
public:
Paint::ptr getPaint() const { return _paint; }
Shape::ptr getShape() const { return _shape; }
};
/**
* Object whose paint is an image texture.
*/
class TextureMapping : public Mapping
{
private:
Shape::ptr _inputShape;
public:
TextureMapping(Paint* paint,
Shape* shape,
Shape* inputShape)
: Mapping(paint, shape),
_inputShape(inputShape)
{}
virtual void build() {
Mapping::build();
_inputShape->build();
}
public:
Shape::ptr getInputShape() const { return _inputShape; }
};
/**
* A way to draw on some kind of shape.
*
* This is an abstract class for specific ways to draw
* a given paint of a shape.
*
* Each shape x paint combination that is possible in
* this software are implemented using a child of this
* class.
*/
class Mapper
{
protected:
Mapping::ptr _mapping;
Mapper(Mapping* mapping) : _mapping(mapping) {}
virtual ~Mapper() {}
public:
typedef std::tr1::shared_ptr<Mapper> ptr;
virtual void draw() = 0;
};
//class ShapeDrawer
//{
//protected:
// std:tr1::shared_ptr<Shape> _shape;
//
//public:
// ShapeDrawer(const std:tr1::shared_ptr<Shape>& shape) : _shape(shape) {}
// virtual ~ShapeDrawer() {}
//
// virtual void draw() = 0;
//};
//
//class QuadDrawer
//{
//public:
// QuadDrawer(const std:tr1::shared_ptr<Quad>& quad) : ShapeDrawer(quad) {}
//
// virtual void draw() {
// std::tr1::shared_ptr<Quad> quad = std::tr1::static_pointer_cast<Quad>(_shape);
// wxASSERT(quad != NULL);
//
// glColor4f (1, 1, 1, 1);
//
// // Source quad.
// glLineWidth(5);
// glBegin (GL_LINE_STRIP);
// {
// for (int i=0; i<5; i++) {
// glVertex3f(quad->getVertex(i % 4).x / (GLfloat)texture->getWidth(),
// quad->getVertex(i % 4).y / (GLfloat)texture->getHeight(),
// 0);
// }
// }
// glEnd ();
// }
//};
/**
* Draws a texture on a quad.
*
* A Quad has four vertices.
* They are in counterclockwise order, just like for all shapes.
*/
class QuadTextureMapper : public Mapper
{
public:
QuadTextureMapper(TextureMapping* mapping) : Mapper(mapping) {}
virtual ~QuadTextureMapper() {}
virtual void draw();
};
#endif /* MAPPER_H_ */