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<title>cairomm: Cairo::GlitzSurface Class Reference</title>
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cairomm
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1.0
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CairoGlitzSurface
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Public Member Functions |
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Static Public Member Functions |
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List of all members
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Cairo::GlitzSurface Class Reference
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A GlitzSurface provides a way to render to the X Window System using Glitz.
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More...
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Inheritance diagram for Cairo::GlitzSurface:
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<map name="Cairo_1_1GlitzSurface_inherit__map" id="Cairo_1_1GlitzSurface_inherit__map">
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<area shape="rect" id="node2" href="classCairo_1_1Surface.html" title="A cairo surface represents an image, either as the destination of a drawing operation or as source wh..." alt="" coords="19,5,131,32"/></map>
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<center>[legend]</center>
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Public Member Functions
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GlitzSurface (cairo_surface_t*cobject, bool has_reference=false)
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Create a C++ wrapper for the C instance. More...
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virtual ~GlitzSurface ()
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 Public Member Functions inherited from Cairo::Surface
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Surface (cairo_surface_t*cobject, bool has_reference=false)
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Create a C++ wrapper for the C instance. More...
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Surface (const Surface&)=delete
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Surface& operator= (const Surface&)=delete
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virtual ~Surface ()
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const unsigned char* get_mime_data (const std::string& mime_type, unsigned long& length)
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Return mime data previously attached to surface using the specified mime type. More...
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void set_mime_data (const std::string& mime_type, unsigned char* data, unsigned long length, const SlotDestroy& slot_destroy)
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Attach an image in the format mime_type to surface. More...
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void unset_mime_data (const std::string& mime_type)
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Remove the data from a surface. More...
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void get_font_options (FontOptions& options) const
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Retrieves the default font rendering options for the surface. More...
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void finish ()
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This function finishes the surface and drops all references to external resources. More...
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void flush ()
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Do any pending drawing for the surface and also restore any temporary modifications cairo has made to the surface's state. More...
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void mark_dirty ()
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Tells cairo to consider the data buffer dirty. More...
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void mark_dirty (int x, int y, int width, int height)
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Marks a rectangular area of the given surface dirty. More...
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void set_device_offset (double x_offset, double y_offset)
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Sets an offset that is added to the device coordinates determined by the CTM when drawing to surface. More...
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void get_device_offset (double& x_offset, double& y_offset) const
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Returns a previous device offset set by set_device_offset(). More...
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void set_fallback_resolution (double x_pixels_per_inch, double y_pixels_per_inch)
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Set the horizontal and vertical resolution for image fallbacks. More...
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void get_fallback_resolution (double& x_pixels_per_inch, double& y_pixels_per_inch) const
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This function returns the previous fallback resolution set by set_fallback_resolution(), or default fallback resolution if never set. More...
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SurfaceType get_type () const
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Content get_content () const
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This function returns the content type of surface which indicates whether the surface contains color and/or alpha information. More...
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void copy_page ()
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Emits the current page for backends that support multiple pages, but doesn't clear it, so that the contents of the current page will be retained for the next page. More...
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void show_page ()
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Emits and clears the current page for backends that support multiple pages. More...
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bool has_show_text_glyphs () const
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Returns whether the surface supports sophisticated Context::show_text_glyphs() operations. More...
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void write_to_png (const std::string& filename)
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Writes the contents of surface to a new file filename as a PNG image. More...
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void write_to_png_stream (const SlotWriteFunc& write_func)
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Writes the Surface to the write function. More...
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void write_to_png (cairo_write_func_t write_func, void* closure)
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RefPtr< Device > get_device ()
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This function returns the device for a surface. More...
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cobject* cobj ()
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Provides acces to the underlying C cairo surface. More...
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const cobject* cobj () const
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Provides acces to the underlying C cairo surface. More...
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Static Public Member Functions
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static RefPtr< GlitzSurface > create (glitz_surface_t* surface)
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Creates a new GlitzSurface. More...
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Static Public Member Functions inherited from Cairo::Surface
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static RefPtr< Surface > create (const RefPtr< Surface > other, Content content, int width, int height)
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Create a new surface that is as compatible as possible with an existing surface. More...
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static RefPtr< Surface > create (const RefPtr< Surface >& target, double x, double y, double width, double height)
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Create a new surface that is a rectangle within the target surface. More...
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Additional Inherited Members
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Public Types inherited from Cairo::Surface
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typedef sigc::slot< ErrorStatus, const unsigned char*, unsigned int > SlotWriteFunc
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For example: ErrorStatus my_write_func(unsigned char* data, unsigned int length); More...
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typedef sigc::slot< ErrorStatus, unsigned char*, unsigned int > SlotReadFunc
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This is the type of function which is called when a backend needs to read data from an input stream. More...
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typedef sigc::slot< void > SlotDestroy
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For instance, void on_destroy();. More...
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typedef cairo_surface_t cobject
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The underlying C cairo surface type. More...
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Protected Attributes inherited from Cairo::Surface
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cobject* m_cobject
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The underlying C cairo surface type that is wrapped by this Surface. More...
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Detailed Description
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A GlitzSurface provides a way to render to the X Window System using Glitz.
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This provides a way to use OpenGL-accelerated graphics from cairo. If you want to use hardware-accelerated graphics within the X Window system, you should use this Surface type.
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- Note
- For this Surface to be available, cairo must have been compiled with Glitz support
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- Warning
- This is an experimental surface. It is not yet marked as a fully supported surface by the cairo library
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Constructor & Destructor Documentation
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Cairo::GlitzSurface::GlitzSurface
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(
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cairo_surface_t *
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cobject,
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bool
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has_reference = false
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)
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explicit
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Create a C++ wrapper for the C instance.
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This C++ instance should then be given to a RefPtr.
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- Parameters
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cobjectThe C instance.
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has_referencewhether we already have a reference. Otherwise, the constructor will take an extra reference.
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virtual Cairo::GlitzSurface::~GlitzSurface
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(
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)
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virtual
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Member Function Documentation
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static RefPtr<GlitzSurface> Cairo::GlitzSurface::create
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(
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glitz_surface_t *
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surface)
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static
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Creates a new GlitzSurface.
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- Parameters
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surfacea glitz surface type
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The documentation for this class was generated from the following file:
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cairomm/surface.h
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<address class="footer"><small>
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Generated on Mon Sep 21 2015 21:56:36 for cairomm by
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1.8.9.1
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</small></address>
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</body>
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</html>
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