184 lines
6.7 KiB
C++
184 lines
6.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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 Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <canvas/debug.hxx>
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#include <canvas/verbosetrace.hxx>
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#include <tools/diagnose_ex.h>
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#include <rtl/logfile.hxx>
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#include <rtl/math.hxx>
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#include <canvas/canvastools.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/tools/canvastools.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygonrasterconverter.hxx>
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#include <basegfx/polygon/b2dpolygontriangulator.hxx>
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#include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
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#include "cairo_canvascustomsprite.hxx"
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#include "cairo_spritehelper.hxx"
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#include <memory>
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using namespace ::cairo;
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using namespace ::com::sun::star;
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namespace cairocanvas
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{
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SpriteHelper::SpriteHelper() :
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mpSpriteCanvas(),
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mpBufferSurface(),
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mbTextureDirty(true)
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{}
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void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
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const SpriteCanvasRef& rSpriteCanvas )
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{
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ENSURE_OR_THROW( rSpriteCanvas.get(),
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"SpriteHelper::init(): Invalid device, sprite canvas or surface" );
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mpSpriteCanvas = rSpriteCanvas;
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mbTextureDirty = true;
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// also init base class
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CanvasCustomSpriteHelper::init( rSpriteSize,
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rSpriteCanvas.get() );
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}
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void SpriteHelper::setSurface( const SurfaceSharedPtr& pBufferSurface )
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{
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mpBufferSurface = pBufferSurface;
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}
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void SpriteHelper::disposing()
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{
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mpBufferSurface.reset();
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mpSpriteCanvas.clear();
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// forward to parent
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CanvasCustomSpriteHelper::disposing();
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}
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void SpriteHelper::redraw( const CairoSharedPtr& pCairo,
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const ::basegfx::B2DPoint& rPos,
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bool& /*io_bSurfacesDirty*/,
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bool /*bBufferedUpdate*/ ) const
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{
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#ifdef CAIRO_CANVAS_PERF_TRACE
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struct timespec aTimer;
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mxDevice->startPerfTrace( &aTimer );
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#endif
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const double fAlpha( getAlpha() );
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const ::basegfx::B2DHomMatrix aTransform( getTransformation() );
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if( isActive() && !::basegfx::fTools::equalZero( fAlpha ) ) {
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OSL_TRACE ("CanvasCustomSprite::redraw called");
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if( pCairo ) {
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basegfx::B2DVector aSize = getSizePixel();
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cairo_save( pCairo.get() );
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double fX, fY;
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fX = rPos.getX();
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fY = rPos.getY();
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if( !aTransform.isIdentity() ) {
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cairo_matrix_t aMatrix, aInverseMatrix;
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cairo_matrix_init( &aMatrix,
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aTransform.get( 0, 0 ), aTransform.get( 1, 0 ), aTransform.get( 0, 1 ),
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aTransform.get( 1, 1 ), aTransform.get( 0, 2 ), aTransform.get( 1, 2 ) );
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aMatrix.x0 = basegfx::fround( aMatrix.x0 );
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aMatrix.y0 = basegfx::fround( aMatrix.y0 );
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cairo_matrix_init( &aInverseMatrix, aMatrix.xx, aMatrix.yx, aMatrix.xy, aMatrix.yy, aMatrix.x0, aMatrix.y0 );
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cairo_matrix_invert( &aInverseMatrix );
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cairo_matrix_transform_distance( &aInverseMatrix, &fX, &fY );
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cairo_set_matrix( pCairo.get(), &aMatrix );
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}
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fX = basegfx::fround( fX );
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fY = basegfx::fround( fY );
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cairo_matrix_t aOrigMatrix;
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cairo_get_matrix( pCairo.get(), &aOrigMatrix );
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cairo_translate( pCairo.get(), fX, fY );
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if( getClip().is() )
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{
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const uno::Reference<rendering::XPolyPolygon2D>& rClip( getClip() );
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::basegfx::B2DPolyPolygon aClipPoly(
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::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
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rClip ));
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doPolyPolygonImplementation( aClipPoly, Clip, pCairo.get(),
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NULL, SurfaceProviderRef(mpSpriteCanvas.get()),
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rClip->getFillRule() );
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}
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OSL_TRACE ("aSize %f x %f position: %f,%f", aSize.getX(), aSize.getY(), fX, fY );
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cairo_rectangle( pCairo.get(), 0, 0, floor( aSize.getX() ), floor( aSize.getY() ) );
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cairo_clip( pCairo.get() );
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cairo_set_matrix( pCairo.get(), &aOrigMatrix );
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if( isContentFullyOpaque() )
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cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_set_source_surface( pCairo.get(),
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mpBufferSurface->getCairoSurface().get(),
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fX, fY );
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if( ::rtl::math::approxEqual( fAlpha, 1.0 ) )
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cairo_paint( pCairo.get() );
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else
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cairo_paint_with_alpha( pCairo.get(), fAlpha );
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cairo_restore( pCairo.get() );
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}
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}
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#ifdef CAIRO_CANVAS_PERF_TRACE
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mxDevice->stopPerfTrace( &aTimer, "sprite redraw" );
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#endif
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}
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::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
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{
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return ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPoly);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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