#pragma once

#include "software_global.h"

#include <string>
#include <vector>

namespace paysages {
namespace software {

/**
 * Graphics area to draw and do compositing.
 *
 * Software rendering is done in portions of Canvas (in CanvasPortion class).
 * This splitting in portions allows to keep memory consumption low.
 */
class SOFTWARESHARED_EXPORT Canvas {
  public:
    Canvas();
    ~Canvas();

    void setSize(int width, int height);

    inline int getHorizontalPortionCount() const {
        return horizontal_portion_count;
    }
    inline int getVerticalPortionCount() const {
        return vertical_portion_count;
    }

    CanvasPortion *at(int x, int y) const;
    CanvasPortion *atPixel(int x, int y) const;

    inline int getWidth() const {
        return width;
    }
    inline int getHeight() const {
        return height;
    }
    inline CanvasPreview *getPreview() const {
        return preview;
    }

    /**
     * Save the canvas to a picture file on disk.
     *
     * Returns true if the save was successful.
     */
    bool saveToDisk(const string &filepath, const ColorProfile &profile, int antialias) const;

  private:
    vector<CanvasPortion *> portions;
    int horizontal_portion_count;
    int vertical_portion_count;
    int width;
    int height;

    CanvasPreview *preview;
};
}
}