GdkDisplayer Class Reference

#include "stage/output/gdkdisplayer.hpp"

Description

GdkDisplayer is a class which is responsible for rendering a video image via GDK.

Todo:

the GdkDisplayer class is not supported anymore in Gtk3. This is due to Gtk3 only supporting drawing with Cairo /////////////////////////////////////////////////////////////////////////////////////////////////////TICKET #950 : new solution for video display

Definition at line 54 of file gdkdisplayer.hpp.

Public Member Functions
	GdkDisplayer (Gtk::Widget *drawing_area, int width, int height)
	Constructor. More...
void	put (void *const image)
	Put an image of a given width and height with the expected input format (as indicated by the format method). More...
Public Member Functions inherited from Displayer
virtual DisplayerInput	format ()
	Indicates the format required by the abstract put method. More...
virtual int	preferredHeight ()
	Expected height of input to put. More...
virtual int	preferredWidth ()
	Expected width of input to put. More...

Protected Member Functions
bool	usable ()
	Indicates if this object can be used to render images on the running system.

Private Attributes
Gtk::Widget *	drawingArea
	The widget that video will be drawn into. More...

Additional Inherited Members
Static Protected Member Functions inherited from Displayer
static void	calculateVideoLayout (int widget_width, int widget_height, int image_width, int image_height, int &video_x, int &video_y, int &video_width, int &video_height)
	Calculates the coordinates for placing a video image inside a widget. More...
Protected Attributes inherited from Displayer
int	imageHeight
int	imageWidth

Constructor & Destructor Documentation

GdkDisplayer()

GdkDisplayer	(	Gtk::Widget *	drawing_area,
		int	width,
		int	height
	)

Constructor.

Parameters

[in]	drawing_area	The widget into which the video image will be drawn. This value must not be NULL.
[in]	width	The width of the video image in pixels. This value must be greater than zero.
[in]	height	The height of the video image in pixels. This value must be greater than zero.

Definition at line 48 of file gdkdisplayer.cpp.

Member Function Documentation

put()

void put ( void *const  image )

virtual

Put an image of a given width and height with the expected input format (as indicated by the format method).

Parameters

[in]

image

The video image array to draw.

Implements Displayer.

Definition at line 67 of file gdkdisplayer.cpp.

References Displayer::calculateVideoLayout(), GdkDisplayer::drawingArea, Displayer::preferredHeight(), and Displayer::preferredWidth().

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Member Data Documentation

drawingArea

Gtk::Widget* drawingArea

private

The widget that video will be drawn into.

Remarks

This value must be a valid pointer.

Definition at line 91 of file gdkdisplayer.hpp.

Referenced by GdkDisplayer::put().

Inheritance diagram for GdkDisplayer:

Collaboration diagram for GdkDisplayer:

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The documentation for this class was generated from the following files:

• gdkdisplayer.hpp
• gdkdisplayer.cpp