/usr/include/Nux-4.0/Nux/Canvas.h is in libnux-4.0-dev 4.0.8+17.10.20170922-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /*
* 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 <http://www.gnu.org/licenses/>.
*
* Authored by: Mirco Müller <mirco.mueller@canonical.com
*/
#ifndef CANVAS_H
#define CANVAS_H
#include <cairo.h>
#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
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