LibreOffice Module vcl (master)  1
cairo.hxx
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19 
20 #ifndef INCLUDED_VCL_CAIRO_HXX
21 #define INCLUDED_VCL_CAIRO_HXX
22 
23 #include <sal/config.h>
24 #include <vcl/vclptr.hxx>
25 #include <memory>
26 
27 typedef struct _cairo_surface cairo_surface_t;
28 typedef struct _cairo cairo_t;
29 
30 class VirtualDevice;
31 
32 namespace cairo {
33 
34  typedef std::shared_ptr<cairo_surface_t> CairoSurfaceSharedPtr;
35  typedef std::shared_ptr<cairo_t> CairoSharedPtr;
36  struct Surface;
37  typedef std::shared_ptr<Surface> SurfaceSharedPtr;
38 
44  struct Surface
45  {
46  public:
47  virtual ~Surface() {}
48 
49  // Query methods
50  virtual CairoSharedPtr getCairo() const = 0;
51  virtual CairoSurfaceSharedPtr getCairoSurface() const = 0;
52  virtual SurfaceSharedPtr getSimilar(int cairo_content_type, int width, int height) const = 0;
53 
55  virtual VclPtr<VirtualDevice> createVirtualDevice() const = 0;
56 
59  virtual bool Resize( int /*width*/, int /*height*/ ) { return false; }
60 
62  virtual void flush() const = 0;
63  };
64 
65 }
66 
67 #endif
68 
69 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual ~Surface()
Definition: cairo.hxx:47
virtual VclPtr< VirtualDevice > createVirtualDevice() const =0
factory for VirDev on this surface
virtual bool Resize(int, int)
Resize the surface (possibly destroying content), only possible for X11 typically so on failure calle...
Definition: cairo.hxx:59
std::shared_ptr< cairo_t > CairoSharedPtr
Definition: cairo.hxx:35
std::shared_ptr< Surface > SurfaceSharedPtr
Definition: cairo.hxx:36
virtual SurfaceSharedPtr getSimilar(int cairo_content_type, int width, int height) const =0
virtual CairoSharedPtr getCairo() const =0
virtual CairoSurfaceSharedPtr getCairoSurface() const =0
std::shared_ptr< cairo_surface_t > CairoSurfaceSharedPtr
Definition: cairo.hxx:34
struct _cairo cairo_t
Definition: svpgdi.hxx:69
virtual void flush() const =0
Flush all pending output to surface.
Cairo surface interface.
Definition: cairo.hxx:44
struct _cairo_surface cairo_surface_t
Definition: svpgdi.hxx:70