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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_canvas.hxx"
#include <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
#include <tools/diagnose_ex.h>
#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(),
mpBufferSurface(),
mbTextureDirty(true)
{}
void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
const SpriteCanvasRef& rSpriteCanvas )
{
ENSURE_OR_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( const SurfaceSharedPtr& pBufferSurface )
{
mpBufferSurface = pBufferSurface;
}
void SpriteHelper::disposing()
{
mpBufferSurface.reset();
mpSpriteCanvas.clear();
// forward to parent
CanvasCustomSpriteHelper::disposing();
}
void SpriteHelper::redraw( const CairoSharedPtr& 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.get() );
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 = basegfx::fround( aMatrix.x0 );
aMatrix.y0 = basegfx::fround( 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.get(), &aMatrix );
}
fX = basegfx::fround( fX );
fY = basegfx::fround( fY );
cairo_matrix_t aOrigMatrix;
cairo_get_matrix( pCairo.get(), &aOrigMatrix );
cairo_translate( pCairo.get(), fX, fY );
if( getClip().is() )
{
const uno::Reference<rendering::XPolyPolygon2D>& rClip( getClip() );
::basegfx::B2DPolyPolygon aClipPoly(
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
rClip ));
doPolyPolygonImplementation( aClipPoly, Clip, pCairo.get(),
NULL, SurfaceProviderRef(mpSpriteCanvas.get()),
rClip->getFillRule() );
}
OSL_TRACE ("aSize %f x %f position: %f,%f", aSize.getX(), aSize.getY(), fX, fY );
cairo_rectangle( pCairo.get(), 0, 0, floor( aSize.getX() ), floor( aSize.getY() ) );
cairo_clip( pCairo.get() );
cairo_set_matrix( pCairo.get(), &aOrigMatrix );
if( isContentFullyOpaque() )
cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_set_source_surface( pCairo.get(),
mpBufferSurface->getCairoSurface().get(),
fX, fY );
if( ::rtl::math::approxEqual( fAlpha, 1.0 ) )
cairo_paint( pCairo.get() );
else
cairo_paint_with_alpha( pCairo.get(), fAlpha );
cairo_restore( pCairo.get() );
}
}
#ifdef CAIRO_CANVAS_PERF_TRACE
mxDevice->stopPerfTrace( &aTimer, "sprite redraw" );
#endif
}
::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
{
return ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPoly);
}
}
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