gui/qt/Qt4GlueCairo.h

   1 //
   2 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
   3 //   2011 Free Software Foundation, Inc
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19 #ifndef GNASH_KDE4_CAIRO_GLUE_H
  20 #define GNASH_KDE4_CAIRO_GLUE_H
  21
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "gnashconfig.h"
  25 #endif
  26
  27 #include "Qt4Glue.h"
  28
  29 #include <memory>        // for unique_ptr
  30 #include <QImage>
  31 #include <QPainter>
  32 #include "snappingrange.h"
  33
  34 #include <cairo.h>
  35
  36 class QRect;
  37
  38 namespace gnash
  39 {
  40
  41 class Qt4CairoGlue : public Qt4Glue
  42 {
  43   public:
  44     Qt4CairoGlue();
  45     ~Qt4CairoGlue();
  46
  47     bool init(int argc, char **argv[]);
  48     void initBuffer(int width, int height);
  49     void prepDrawingArea(DrawingWidget *drawing_area);
  50     Renderer* createRenderHandler();
  51     void render();
  52     void render(const QRect& updateRect);
  53     void resize(int width, int height);
  54
  55   private:
  56     int _width;
  57     int _height;
  58     std::unique_ptr<unsigned char[]> _offscreenbuf;
  59     Renderer* _renderer; // We don't own this pointer.
  60     std::unique_ptr<QImage> _image;
  61     std::unique_ptr<QPainter> _painter;
  62
  63     cairo_t         *_cairo_handle;
  64     cairo_surface_t *_cairo_surface;
  65 };
  66
  67
  68 }
  69
  70 #endif