/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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 .
*
* Authored by: Mirco Müller
#include "Nux/Nux.h"
#include "Nux/View.h"
namespace nux
{
class Canvas : public View
{
public:
Canvas (NUX_FILE_LINE_DECL);
~Canvas ();
protected:
void Draw (GraphicsEngine& graphics_engine, bool forceDraw);
void DrawContent (GraphicsEngine& graphics_engine, bool forceDraw);
virtual void Paint ();
void Invalidate ();
cairo_surface_t* GetCairoSurface ();
cairo_t* GetCairoContext ();
int GetLastWidth ();
int GetLastHeight ();
private:
void PreLayoutManagement ();
long PostLayoutManagement (long layoutResult);
void Recreate ();
NBitmapData* GetBitmap ();
private:
cairo_t* _cr;
cairo_surface_t* _surface;
int _last_width;
int _last_height;
bool _invalid;
BaseTexture* _texture;
};
}
#endif // CANVAS_H