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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: cairo_spritehelper.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: rt $ $Date: 2007-11-09 11:32:38 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_canvas.hxx"
#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
#include <rtl/logfile.hxx>
#include <rtl/math.hxx>
#include <canvas/canvastools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygonrasterconverter.hxx>
#include <basegfx/polygon/b2dpolygontriangulator.hxx>
#include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
#include "cairo_canvascustomsprite.hxx"
#include "cairo_spritehelper.hxx"
#include <memory>
using namespace ::cairo;
using namespace ::com::sun::star;
namespace cairocanvas
{
SpriteHelper::SpriteHelper() :
mpSpriteCanvas(),
mbTextureDirty( true ),
mpBufferSurface( NULL )
{
}
void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
const SpriteCanvasRef& rSpriteCanvas)
{
ENSURE_AND_THROW( rSpriteCanvas.get(),
"SpriteHelper::init(): Invalid device, sprite canvas or surface" );
mpSpriteCanvas = rSpriteCanvas;
mbTextureDirty = true;
// also init base class
CanvasCustomSpriteHelper::init( rSpriteSize,
rSpriteCanvas.get() );
}
void SpriteHelper::setSurface( Surface* pBufferSurface )
{
if( mpBufferSurface )
mpBufferSurface->Unref();
mpBufferSurface = pBufferSurface;
mpBufferSurface->Ref();
}
void SpriteHelper::disposing()
{
mpSpriteCanvas.clear();
// forward to parent
CanvasCustomSpriteHelper::disposing();
if( mpBufferSurface ) {
mpBufferSurface->Unref();
mpBufferSurface = NULL;
}
}
void SpriteHelper::redraw( Cairo* pCairo,
const ::basegfx::B2DPoint& rPos,
bool& /*io_bSurfacesDirty*/,
bool /*bBufferedUpdate*/ ) const
{
#ifdef CAIRO_CANVAS_PERF_TRACE
struct timespec aTimer;
mxDevice->startPerfTrace( &aTimer );
#endif
const double fAlpha( getAlpha() );
const ::basegfx::B2DHomMatrix aTransform( getTransformation() );
if( isActive() && !::basegfx::fTools::equalZero( fAlpha ) ) {
OSL_TRACE ("CanvasCustomSprite::redraw called");
if( pCairo ) {
basegfx::B2DVector aSize = getSizePixel();
cairo_save( pCairo );
double fX, fY;
fX = rPos.getX();
fY = rPos.getY();
if( !aTransform.isIdentity() ) {
cairo_matrix_t aMatrix, aInverseMatrix;
cairo_matrix_init( &aMatrix,
aTransform.get( 0, 0 ), aTransform.get( 1, 0 ), aTransform.get( 0, 1 ),
aTransform.get( 1, 1 ), aTransform.get( 0, 2 ), aTransform.get( 1, 2 ) );
aMatrix.x0 = round( aMatrix.x0 );
aMatrix.y0 = round( aMatrix.y0 );
cairo_matrix_init( &aInverseMatrix, aMatrix.xx, aMatrix.yx, aMatrix.xy, aMatrix.yy, aMatrix.x0, aMatrix.y0 );
cairo_matrix_invert( &aInverseMatrix );
cairo_matrix_transform_distance( &aInverseMatrix, &fX, &fY );
cairo_set_matrix( pCairo, &aMatrix );
}
fX = round( fX );
fY = round( fY );
cairo_matrix_t aOrigMatrix;
cairo_get_matrix( pCairo, &aOrigMatrix );
cairo_translate( pCairo, fX, fY );
if( getClip().is() )
{
::basegfx::B2DPolyPolygon aClipPoly(
::canvas::tools::polyPolygonFromXPolyPolygon2D(
getClip() ));
//cairo_reset_clip( pCairo );
doPolyPolygonImplementation( aClipPoly, Clip, pCairo );
}
OSL_TRACE ("aSize %f x %f position: %f,%f", aSize.getX(), aSize.getY(), fX, fY );
cairo_rectangle( pCairo, 0, 0, floor( aSize.getX() ), floor( aSize.getY() ) );
cairo_clip( pCairo );
cairo_set_matrix( pCairo, &aOrigMatrix );
if( isContentFullyOpaque() )
cairo_set_operator( pCairo, CAIRO_OPERATOR_SOURCE );
cairo_set_source_surface( pCairo, mpBufferSurface->mpSurface, fX, fY );
if( ::rtl::math::approxEqual( fAlpha, 1.0 ) )
cairo_paint( pCairo );
else
cairo_paint_with_alpha( pCairo, fAlpha );
cairo_restore( pCairo );
}
}
#ifdef CAIRO_CANVAS_PERF_TRACE
mxDevice->stopPerfTrace( &aTimer, "sprite redraw" );
#endif
}
::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
{
return ::canvas::tools::polyPolygonFromXPolyPolygon2D( xPoly );
}
}
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