2014-06-05 15:12:49 +00:00
|
|
|
#ifndef CANVASPORTION_H
|
|
|
|
#define CANVASPORTION_H
|
|
|
|
|
|
|
|
#include "software_global.h"
|
|
|
|
|
|
|
|
namespace paysages {
|
|
|
|
namespace software {
|
|
|
|
|
|
|
|
/**
|
2014-08-18 10:17:16 +00:00
|
|
|
* Rectangular portion of a Canvas.
|
2014-06-05 15:12:49 +00:00
|
|
|
*
|
|
|
|
* Contains the pixels of a canvas region (CanvasPixel).
|
2014-08-18 15:16:17 +00:00
|
|
|
*
|
|
|
|
* Pixels are not allocated until preparePixels is called.
|
2014-06-05 15:12:49 +00:00
|
|
|
*/
|
|
|
|
class SOFTWARESHARED_EXPORT CanvasPortion
|
|
|
|
{
|
|
|
|
public:
|
2014-06-12 15:45:59 +00:00
|
|
|
CanvasPortion(CanvasPreview* preview=NULL);
|
2014-06-10 13:13:16 +00:00
|
|
|
~CanvasPortion();
|
2014-06-05 15:12:49 +00:00
|
|
|
|
|
|
|
inline int getWidth() const {return width;}
|
|
|
|
inline int getHeight() const {return height;}
|
2014-06-10 13:13:16 +00:00
|
|
|
int getFragmentCount(int x, int y) const;
|
|
|
|
const CanvasFragment *getFrontFragment(int x, int y) const;
|
2014-06-05 15:12:49 +00:00
|
|
|
|
2014-06-10 13:13:16 +00:00
|
|
|
void clear();
|
2014-06-05 15:12:49 +00:00
|
|
|
void setSize(int width, int height);
|
|
|
|
|
2014-08-18 15:16:17 +00:00
|
|
|
/**
|
|
|
|
* Prepare (allocate in memory) the pixels area.
|
|
|
|
*/
|
|
|
|
void preparePixels();
|
|
|
|
|
2014-06-10 13:13:16 +00:00
|
|
|
/**
|
2014-08-18 10:17:16 +00:00
|
|
|
* Add a fragment to the pixel located at (x, y).
|
2014-06-10 13:13:16 +00:00
|
|
|
*
|
|
|
|
* Checking x and y coordinates to be in the canvas portion should be done before this call.
|
|
|
|
*/
|
|
|
|
void pushFragment(int x, int y, const CanvasFragment &fragment);
|
|
|
|
|
2014-08-18 10:17:16 +00:00
|
|
|
/**
|
|
|
|
* Get the CanvasPixel at a given coordinates.
|
|
|
|
*
|
|
|
|
* Checking x and y coordinates to be in the canvas portion should be done before this call.
|
|
|
|
*/
|
|
|
|
const CanvasPixel &at(int x, int y);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Change the final color of the pixel.
|
|
|
|
*
|
|
|
|
* Checking x and y coordinates to be in the canvas portion should be done before this call.
|
|
|
|
*/
|
|
|
|
void setColor(int x, int y, const Color &color);
|
|
|
|
|
2014-06-05 15:12:49 +00:00
|
|
|
private:
|
|
|
|
int width;
|
|
|
|
int height;
|
2014-06-10 13:13:16 +00:00
|
|
|
CanvasPixel *pixels;
|
2014-06-12 15:45:59 +00:00
|
|
|
CanvasPreview* preview;
|
2014-06-05 15:12:49 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif // CANVASPORTION_H
|