File indexing completed on 2024-04-28 05:32:09 

0001 /*
0002     this file is part of the oxygen gtk engine
0003     SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
0004 
0005     SPDX-License-Identifier: LGPL-2.0-or-later
0006 */
0007 
0008 #include "oxygencairocontext.h"
0009 #include <gdk/gdk.h>
0010 namespace Oxygen
0011 {
0012 
0013     //_________________________________________-
0014     Cairo::Context::Context( GdkWindow* window, GdkRectangle* clipRect):
0015         _cr( 0L )
0016     {
0017 
0018         if( !GDK_IS_DRAWABLE(window) ) return;
0019         _cr= static_cast<cairo_t*>( gdk_cairo_create(window) );
0020         setClipping( clipRect );
0021 
0022     }
0023 
0024     //_________________________________________-
0025     Cairo::Context::Context( cairo_surface_t* surface, GdkRectangle* clipRect):
0026         _cr( 0L )
0027     {
0028 
0029         _cr= static_cast<cairo_t*>( cairo_create(surface) );
0030         setClipping( clipRect );
0031 
0032     }
0033 
0034     //_________________________________________________
0035     void Cairo::Context::free( void )
0036     {
0037         if( _cr ) {
0038 
0039             cairo_destroy( _cr );
0040             _cr = 0L;
0041 
0042         }
0043     }
0044 
0045     //_________________________________________________
0046     void Cairo::Context::setClipping( GdkRectangle* clipRect ) const
0047     {
0048         if( !clipRect ) return;
0049         cairo_rectangle( _cr, clipRect->x, clipRect->y, clipRect->width, clipRect->height );
0050         cairo_clip( _cr );
0051     }
0052 
0053 }