93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
/*
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video-display-widget.cpp - Implementation of the video viewer widget
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Copyright (C) Lumiera.org
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2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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#include <gdkmm/drawable.h>
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#include <gdkmm/general.h>
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#include <cairomm-1.0/cairomm/cairomm.h>
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#include "gui/gtk-lumiera.hpp"
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#include "gui/output/xvdisplayer.hpp"
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#include "gui/output/gdkdisplayer.hpp"
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#include "video-display-widget.hpp"
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namespace gui {
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namespace widgets {
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VideoDisplayWidget::VideoDisplayWidget() :
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displayer(NULL)
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{
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}
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VideoDisplayWidget::~VideoDisplayWidget()
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{
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if(displayer != NULL)
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delete displayer;
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}
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Displayer*
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VideoDisplayWidget::get_displayer() const
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{
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return displayer;
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}
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void
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VideoDisplayWidget::on_realize()
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{
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// Call base class:
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Gtk::Widget::on_realize();
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// Set colors
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modify_bg(Gtk::STATE_NORMAL, Gdk::Color("black"));
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if(displayer != NULL)
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delete displayer;
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displayer = createDisplayer(this, 320, 240);
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add_events(Gdk::ALL_EVENTS_MASK);
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}
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Displayer*
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VideoDisplayWidget::createDisplayer( Gtk::Widget *drawingArea, int width, int height )
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{
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REQUIRE(drawingArea != NULL);
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REQUIRE(width > 0 && height > 0);
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Displayer *displayer = NULL;
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displayer = new XvDisplayer( drawingArea, width, height );
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if ( !displayer->usable() )
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{
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delete displayer;
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displayer = NULL;
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}
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if ( displayer == NULL )
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{
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displayer = new GdkDisplayer( drawingArea, width, height );
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}
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return displayer;
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}
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} // namespace widgets
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} // namespace gui
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