84055d875e
Change-Id: Ib58e845c23dd14bbc3b96e5549a722b650d593a6 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/162069 Tested-by: Jenkins Reviewed-by: Sarper Akdemir <sarper.akdemir.extern@allotropia.de>
2047 lines
92 KiB
C++
2047 lines
92 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <algorithm>
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#include <tuple>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <basegfx/utils/canvastools.hxx>
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#include <basegfx/utils/keystoplerp.hxx>
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#include <basegfx/utils/lerp.hxx>
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#include <com/sun/star/rendering/ColorComponentTag.hpp>
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#include <com/sun/star/rendering/ColorSpaceType.hpp>
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#include <com/sun/star/rendering/CompositeOperation.hpp>
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#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
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#include <com/sun/star/rendering/PathCapType.hpp>
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#include <com/sun/star/rendering/PathJoinType.hpp>
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#include <com/sun/star/rendering/RenderingIntent.hpp>
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#include <com/sun/star/rendering/TexturingMode.hpp>
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#include <com/sun/star/rendering/XIntegerBitmapColorSpace.hpp>
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#include <com/sun/star/util/Endianness.hpp>
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#include <comphelper/sequence.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <rtl/math.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <vcl/bitmapex.hxx>
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#include <vcl/BitmapTools.hxx>
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#include <vcl/canvastools.hxx>
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#include <vcl/virdev.hxx>
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#include <canvas/canvastools.hxx>
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#include <parametricpolypolygon.hxx>
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#include <cairo.h>
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#include "cairo_cachedbitmap.hxx"
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#include "cairo_canvasbitmap.hxx"
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#include "cairo_canvashelper.hxx"
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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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CanvasHelper::CanvasHelper() :
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mpSurfaceProvider(nullptr),
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mpDevice(nullptr),
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mbHaveAlpha()
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{
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}
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void CanvasHelper::disposing()
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{
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mpSurface.reset();
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mpCairo.reset();
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mpVirtualDevice.disposeAndClear();
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mpDevice = nullptr;
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mpSurfaceProvider = nullptr;
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}
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void CanvasHelper::init( const ::basegfx::B2ISize& rSizePixel,
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SurfaceProvider& rSurfaceProvider,
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rendering::XGraphicDevice* pDevice )
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{
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maSize = rSizePixel;
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mpSurfaceProvider = &rSurfaceProvider;
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mpDevice = pDevice;
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}
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void CanvasHelper::setSize( const ::basegfx::B2ISize& rSize )
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{
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maSize = rSize;
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}
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void CanvasHelper::setSurface( const SurfaceSharedPtr& pSurface, bool bHasAlpha )
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{
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mbHaveAlpha = bHasAlpha;
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mpVirtualDevice.disposeAndClear();
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mpSurface = pSurface;
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mpCairo = pSurface->getCairo();
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}
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static void setColor( cairo_t* pCairo,
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const uno::Sequence<double>& rColor )
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{
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if( rColor.getLength() > 3 )
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{
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cairo_set_source_rgba( pCairo,
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rColor[0],
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rColor[1],
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rColor[2],
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rColor[3] );
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}
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else if( rColor.getLength() == 3 )
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cairo_set_source_rgb( pCairo,
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rColor[0],
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rColor[1],
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rColor[2] );
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}
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void CanvasHelper::useStates( const rendering::ViewState& viewState,
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const rendering::RenderState& renderState,
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bool bSetColor )
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{
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cairo_matrix_t aViewMatrix;
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cairo_matrix_t aRenderMatrix;
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cairo_matrix_t aCombinedMatrix;
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cairo_matrix_init( &aViewMatrix,
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viewState.AffineTransform.m00, viewState.AffineTransform.m10, viewState.AffineTransform.m01,
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viewState.AffineTransform.m11, viewState.AffineTransform.m02, viewState.AffineTransform.m12);
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cairo_matrix_init( &aRenderMatrix,
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renderState.AffineTransform.m00, renderState.AffineTransform.m10, renderState.AffineTransform.m01,
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renderState.AffineTransform.m11, renderState.AffineTransform.m02, renderState.AffineTransform.m12);
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cairo_matrix_multiply( &aCombinedMatrix, &aRenderMatrix, &aViewMatrix);
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if( viewState.Clip.is() )
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{
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SAL_INFO( "canvas.cairo", "view clip");
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aViewMatrix.x0 = basegfx::fround( aViewMatrix.x0 );
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aViewMatrix.y0 = basegfx::fround( aViewMatrix.y0 );
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cairo_set_matrix( mpCairo.get(), &aViewMatrix );
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doPolyPolygonPath( viewState.Clip, Clip );
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}
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aCombinedMatrix.x0 = basegfx::fround( aCombinedMatrix.x0 );
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aCombinedMatrix.y0 = basegfx::fround( aCombinedMatrix.y0 );
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cairo_set_matrix( mpCairo.get(), &aCombinedMatrix );
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if( renderState.Clip.is() )
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{
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SAL_INFO( "canvas.cairo", "render clip BEGIN");
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doPolyPolygonPath( renderState.Clip, Clip );
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SAL_INFO( "canvas.cairo", "render clip END");
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}
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if( bSetColor )
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setColor(mpCairo.get(),renderState.DeviceColor);
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cairo_operator_t compositingMode( CAIRO_OPERATOR_OVER );
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switch( renderState.CompositeOperation )
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{
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case rendering::CompositeOperation::CLEAR:
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compositingMode = CAIRO_OPERATOR_CLEAR;
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break;
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case rendering::CompositeOperation::SOURCE:
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compositingMode = CAIRO_OPERATOR_SOURCE;
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break;
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case rendering::CompositeOperation::DESTINATION:
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compositingMode = CAIRO_OPERATOR_DEST;
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break;
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case rendering::CompositeOperation::OVER:
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compositingMode = CAIRO_OPERATOR_OVER;
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break;
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case rendering::CompositeOperation::UNDER:
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compositingMode = CAIRO_OPERATOR_DEST;
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break;
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case rendering::CompositeOperation::INSIDE:
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compositingMode = CAIRO_OPERATOR_IN;
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break;
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case rendering::CompositeOperation::INSIDE_REVERSE:
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compositingMode = CAIRO_OPERATOR_OUT;
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break;
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case rendering::CompositeOperation::OUTSIDE:
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compositingMode = CAIRO_OPERATOR_DEST_OVER;
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break;
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case rendering::CompositeOperation::OUTSIDE_REVERSE:
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compositingMode = CAIRO_OPERATOR_DEST_OUT;
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break;
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case rendering::CompositeOperation::ATOP:
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compositingMode = CAIRO_OPERATOR_ATOP;
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break;
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case rendering::CompositeOperation::ATOP_REVERSE:
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compositingMode = CAIRO_OPERATOR_DEST_ATOP;
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break;
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case rendering::CompositeOperation::XOR:
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compositingMode = CAIRO_OPERATOR_XOR;
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break;
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case rendering::CompositeOperation::ADD:
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compositingMode = CAIRO_OPERATOR_ADD;
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break;
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case rendering::CompositeOperation::SATURATE:
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compositingMode = CAIRO_OPERATOR_SATURATE;
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break;
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}
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cairo_set_operator( mpCairo.get(), compositingMode );
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}
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void CanvasHelper::clear()
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{
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SAL_INFO( "canvas.cairo", "clear whole area: " << maSize.getWidth() << " x " << maSize.getHeight() );
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if( !mpCairo )
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return;
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cairo_save( mpCairo.get() );
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cairo_identity_matrix( mpCairo.get() );
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// this does not really differ from all-zero, as cairo
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// internally converts to premultiplied alpha. but anyway,
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// this keeps it consistent with the other canvas impls
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if( mbHaveAlpha )
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cairo_set_source_rgba( mpCairo.get(), 1.0, 1.0, 1.0, 0.0 );
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else
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cairo_set_source_rgb( mpCairo.get(), 1.0, 1.0, 1.0 );
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cairo_set_operator( mpCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_rectangle( mpCairo.get(), 0, 0, maSize.getWidth(), maSize.getHeight() );
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cairo_fill( mpCairo.get() );
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cairo_restore( mpCairo.get() );
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}
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void CanvasHelper::drawLine( const rendering::XCanvas* /*pCanvas*/,
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const geometry::RealPoint2D& aStartPoint,
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const geometry::RealPoint2D& aEndPoint,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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if( !mpCairo )
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return;
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cairo_save( mpCairo.get() );
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cairo_set_line_width( mpCairo.get(), 1 );
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useStates( viewState, renderState, true );
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cairo_move_to( mpCairo.get(), aStartPoint.X + 0.5, aStartPoint.Y + 0.5 );
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cairo_line_to( mpCairo.get(), aEndPoint.X + 0.5, aEndPoint.Y + 0.5 );
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cairo_stroke( mpCairo.get() );
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cairo_restore( mpCairo.get() );
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}
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void CanvasHelper::drawBezier( const rendering::XCanvas* ,
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const geometry::RealBezierSegment2D& aBezierSegment,
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const geometry::RealPoint2D& aEndPoint,
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const rendering::ViewState& viewState,
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const rendering::RenderState& renderState )
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{
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if( !mpCairo )
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return;
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cairo_save( mpCairo.get() );
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cairo_set_line_width( mpCairo.get(), 1 );
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useStates( viewState, renderState, true );
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cairo_move_to( mpCairo.get(), aBezierSegment.Px + 0.5, aBezierSegment.Py + 0.5 );
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// tdf#99165 correction of control points not needed here, only hairlines drawn
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// (see cairo_set_line_width above)
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cairo_curve_to( mpCairo.get(),
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aBezierSegment.C1x + 0.5, aBezierSegment.C1y + 0.5,
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aBezierSegment.C2x + 0.5, aBezierSegment.C2y + 0.5,
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aEndPoint.X + 0.5, aEndPoint.Y + 0.5 );
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cairo_stroke( mpCairo.get() );
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cairo_restore( mpCairo.get() );
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}
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constexpr OUStringLiteral PARAMETRICPOLYPOLYGON_IMPLEMENTATION_NAME = u"Canvas::ParametricPolyPolygon";
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/** surfaceFromXBitmap Create a surface from XBitmap
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* @param xBitmap bitmap image that will be used for the surface
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* @param bHasAlpha will be set to true if resulting surface has alpha
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*
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* This is a helper function for the other surfaceFromXBitmap().
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* This function tries to create surface from xBitmap by checking if xBitmap is CanvasBitmap or SpriteCanvas.
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*
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* @return created surface or NULL
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**/
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static SurfaceSharedPtr surfaceFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap )
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{
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CanvasBitmap* pBitmapImpl = dynamic_cast< CanvasBitmap* >( xBitmap.get() );
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if( pBitmapImpl )
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return pBitmapImpl->getSurface();
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SurfaceProvider* pSurfaceProvider = dynamic_cast<SurfaceProvider*>( xBitmap.get() );
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if( pSurfaceProvider )
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return pSurfaceProvider->getSurface();
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return SurfaceSharedPtr();
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}
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static ::BitmapEx bitmapExFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap )
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{
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// TODO(F1): Add support for floating point bitmap formats
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uno::Reference<rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap,
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uno::UNO_QUERY_THROW);
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::BitmapEx aBmpEx = vcl::unotools::bitmapExFromXBitmap(xIntBmp);
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if( !aBmpEx.IsEmpty() )
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return aBmpEx;
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// TODO(F1): extract pixel from XBitmap interface
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ENSURE_OR_THROW( false,
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"bitmapExFromXBitmap(): could not extract BitmapEx" );
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return ::BitmapEx();
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}
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/** surfaceFromXBitmap Create a surface from XBitmap
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* @param xBitmap bitmap image that will be used for the surface
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* @param rDevice reference to the device into which we want to draw
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* @param data will be filled with alpha data, if xBitmap is alpha/transparent image
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* @param bHasAlpha will be set to true if resulting surface has alpha
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*
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* This function tries various methods for creating a surface from xBitmap. It also uses
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* the helper function surfaceFromXBitmap( xBitmap, bHasAlpha )
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*
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* @return created surface or NULL
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**/
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static SurfaceSharedPtr surfaceFromXBitmap( const uno::Reference< rendering::XBitmap >& xBitmap, const SurfaceProviderRef& rSurfaceProvider, unsigned char*& data, bool& bHasAlpha )
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{
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bHasAlpha = xBitmap->hasAlpha();
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SurfaceSharedPtr pSurface = surfaceFromXBitmap( xBitmap );
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if( pSurface )
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data = nullptr;
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else
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{
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::BitmapEx aBmpEx = bitmapExFromXBitmap(xBitmap);
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::Bitmap aBitmap = aBmpEx.GetBitmap();
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// there's no pixmap for alpha bitmap. we might still
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// use rgb pixmap and only access alpha pixels the
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// slow way. now we just speedup rgb bitmaps
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if( !aBmpEx.IsAlpha() )
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{
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pSurface = rSurfaceProvider->createSurface( aBitmap );
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data = nullptr;
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bHasAlpha = false;
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}
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if( !pSurface )
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{
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tools::Long nWidth;
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tools::Long nHeight;
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vcl::bitmap::CanvasCairoExtractBitmapData(aBmpEx, aBitmap, data, bHasAlpha, nWidth, nHeight);
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pSurface = rSurfaceProvider->getOutputDevice()->CreateSurface(
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CairoSurfaceSharedPtr(
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cairo_image_surface_create_for_data(
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data,
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bHasAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
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nWidth, nHeight, nWidth*4 ),
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&cairo_surface_destroy) );
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SAL_INFO( "canvas.cairo","image: " << nWidth << " x " << nHeight << " alpha: " << bHasAlpha);
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}
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}
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return pSurface;
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}
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static void addColorStops( cairo_pattern_t* pPattern, const uno::Sequence< uno::Sequence< double > >& rColors, const uno::Sequence< double >& rStops, bool bReverseStops )
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{
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int i;
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OSL_ASSERT( rColors.getLength() == rStops.getLength() );
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for( i = 0; i < rColors.getLength(); i++ )
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{
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const uno::Sequence< double >& rColor( rColors[i] );
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float stop = bReverseStops ? 1 - rStops[i] : rStops[i];
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if( rColor.getLength() == 3 )
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cairo_pattern_add_color_stop_rgb( pPattern, stop, rColor[0], rColor[1], rColor[2] );
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else if( rColor.getLength() == 4 )
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{
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double alpha = rColor[3];
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// cairo expects premultiplied alpha
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cairo_pattern_add_color_stop_rgba( pPattern, stop, rColor[0]*alpha, rColor[1]*alpha, rColor[2]*alpha, alpha );
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}
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}
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}
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static uno::Sequence<double> lerp(const uno::Sequence<double>& rLeft, const uno::Sequence<double>& rRight, double fAlpha)
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{
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if( rLeft.getLength() == 3 )
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{
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return
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{
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basegfx::utils::lerp(rLeft[0],rRight[0],fAlpha),
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basegfx::utils::lerp(rLeft[1],rRight[1],fAlpha),
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basegfx::utils::lerp(rLeft[2],rRight[2],fAlpha)
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};
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}
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else if( rLeft.getLength() == 4 )
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{
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return
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{
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basegfx::utils::lerp(rLeft[0],rRight[0],fAlpha),
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basegfx::utils::lerp(rLeft[1],rRight[1],fAlpha),
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basegfx::utils::lerp(rLeft[2],rRight[2],fAlpha),
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basegfx::utils::lerp(rLeft[3],rRight[3],fAlpha)
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};
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}
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return {};
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}
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static cairo_pattern_t* patternFromParametricPolyPolygon( ::canvas::ParametricPolyPolygon const & rPolygon )
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{
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cairo_pattern_t* pPattern = nullptr;
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const ::canvas::ParametricPolyPolygon::Values aValues = rPolygon.getValues();
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double x0, x1, y0, y1, cx, cy, r0, r1;
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switch( aValues.meType )
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{
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case ::canvas::ParametricPolyPolygon::GradientType::Linear:
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x0 = 0;
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y0 = 0;
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x1 = 1;
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y1 = 0;
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pPattern = cairo_pattern_create_linear( x0, y0, x1, y1 );
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addColorStops( pPattern, aValues.maColors, aValues.maStops, false );
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break;
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case ::canvas::ParametricPolyPolygon::GradientType::Elliptical:
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cx = 0;
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cy = 0;
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r0 = 0;
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r1 = 1;
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pPattern = cairo_pattern_create_radial( cx, cy, r0, cy, cy, r1 );
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addColorStops( pPattern, aValues.maColors, aValues.maStops, true );
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break;
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default:
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break;
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}
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return pPattern;
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}
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static void doOperation( Operation aOperation,
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cairo_t* pCairo,
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const uno::Sequence< rendering::Texture >* pTextures,
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const SurfaceProviderRef& pDevice,
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const basegfx::B2DRange& rBounds )
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{
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switch( aOperation )
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{
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case Fill:
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/* TODO: multitexturing */
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if( pTextures )
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{
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const css::rendering::Texture& aTexture ( (*pTextures)[0] );
|
|
if( aTexture.Bitmap.is() )
|
|
{
|
|
unsigned char* data = nullptr;
|
|
bool bHasAlpha = false;
|
|
SurfaceSharedPtr pSurface = surfaceFromXBitmap( (*pTextures)[0].Bitmap, pDevice, data, bHasAlpha );
|
|
|
|
if( pSurface )
|
|
{
|
|
cairo_pattern_t* pPattern;
|
|
|
|
cairo_save( pCairo );
|
|
|
|
css::geometry::AffineMatrix2D aTransform( aTexture.AffineTransform );
|
|
cairo_matrix_t aScaleMatrix, aTextureMatrix, aScaledTextureMatrix;
|
|
|
|
cairo_matrix_init( &aTextureMatrix,
|
|
aTransform.m00, aTransform.m10, aTransform.m01,
|
|
aTransform.m11, aTransform.m02, aTransform.m12);
|
|
|
|
geometry::IntegerSize2D aSize = aTexture.Bitmap->getSize();
|
|
|
|
cairo_matrix_init_scale( &aScaleMatrix, 1.0/aSize.Width, 1.0/aSize.Height );
|
|
cairo_matrix_multiply( &aScaledTextureMatrix, &aScaleMatrix, &aTextureMatrix );
|
|
cairo_matrix_invert( &aScaledTextureMatrix );
|
|
|
|
// we don't care about repeat mode yet, so the workaround is disabled for now
|
|
pPattern = cairo_pattern_create_for_surface( pSurface->getCairoSurface().get() );
|
|
|
|
if( aTexture.RepeatModeX == rendering::TexturingMode::REPEAT &&
|
|
aTexture.RepeatModeY == rendering::TexturingMode::REPEAT )
|
|
{
|
|
cairo_pattern_set_extend( pPattern, CAIRO_EXTEND_REPEAT );
|
|
}
|
|
else if ( aTexture.RepeatModeX == rendering::TexturingMode::NONE &&
|
|
aTexture.RepeatModeY == rendering::TexturingMode::NONE )
|
|
{
|
|
cairo_pattern_set_extend( pPattern, CAIRO_EXTEND_NONE );
|
|
}
|
|
else if ( aTexture.RepeatModeX == rendering::TexturingMode::CLAMP &&
|
|
aTexture.RepeatModeY == rendering::TexturingMode::CLAMP )
|
|
{
|
|
cairo_pattern_set_extend( pPattern, CAIRO_EXTEND_PAD );
|
|
}
|
|
|
|
aScaledTextureMatrix.x0 = basegfx::fround( aScaledTextureMatrix.x0 );
|
|
aScaledTextureMatrix.y0 = basegfx::fround( aScaledTextureMatrix.y0 );
|
|
|
|
double x1, y1, x2, y2;
|
|
cairo_path_extents(pCairo, &x1, &y1, &x2, &y2);
|
|
aScaledTextureMatrix.x0 -= (x1 * aScaledTextureMatrix.xx);
|
|
aScaledTextureMatrix.y0 -= (y1 * aScaledTextureMatrix.yy);
|
|
|
|
cairo_pattern_set_matrix( pPattern, &aScaledTextureMatrix );
|
|
|
|
cairo_set_source( pCairo, pPattern );
|
|
if( !bHasAlpha )
|
|
cairo_set_operator( pCairo, CAIRO_OPERATOR_SOURCE );
|
|
cairo_fill( pCairo );
|
|
|
|
cairo_restore( pCairo );
|
|
|
|
cairo_pattern_destroy( pPattern );
|
|
}
|
|
|
|
if( data )
|
|
free( data );
|
|
}
|
|
else if( aTexture.Gradient.is() )
|
|
{
|
|
uno::Reference< lang::XServiceInfo > xRef( aTexture.Gradient, uno::UNO_QUERY );
|
|
|
|
SAL_INFO( "canvas.cairo", "gradient fill" );
|
|
if( xRef.is() && xRef->getImplementationName() == PARAMETRICPOLYPOLYGON_IMPLEMENTATION_NAME )
|
|
{
|
|
// TODO(Q1): Maybe use dynamic_cast here
|
|
|
|
// TODO(E1): Return value
|
|
// TODO(F1): FillRule
|
|
SAL_INFO( "canvas.cairo", "known implementation" );
|
|
|
|
::canvas::ParametricPolyPolygon* pPolyImpl = static_cast< ::canvas::ParametricPolyPolygon* >( aTexture.Gradient.get() );
|
|
css::geometry::AffineMatrix2D aTransform( aTexture.AffineTransform );
|
|
cairo_matrix_t aTextureMatrix;
|
|
|
|
cairo_matrix_init( &aTextureMatrix,
|
|
aTransform.m00, aTransform.m10, aTransform.m01,
|
|
aTransform.m11, aTransform.m02, aTransform.m12);
|
|
if( pPolyImpl->getValues().meType == canvas::ParametricPolyPolygon::GradientType::Rectangular )
|
|
{
|
|
// no general path gradient yet in cairo; emulate then
|
|
cairo_save( pCairo );
|
|
cairo_clip( pCairo );
|
|
|
|
// fill bound rect with start color
|
|
cairo_rectangle( pCairo, rBounds.getMinX(), rBounds.getMinY(),
|
|
rBounds.getWidth(), rBounds.getHeight() );
|
|
setColor(pCairo,pPolyImpl->getValues().maColors[0]);
|
|
cairo_fill(pCairo);
|
|
|
|
cairo_transform( pCairo, &aTextureMatrix );
|
|
|
|
// longest line in gradient bound rect
|
|
const unsigned int nGradientSize(
|
|
static_cast<unsigned int>(
|
|
::basegfx::B2DVector(rBounds.getMinimum() - rBounds.getMaximum()).getLength() + 1.0 ) );
|
|
|
|
// typical number for pixel of the same color (strip size)
|
|
const unsigned int nStripSize( nGradientSize < 50 ? 2 : 4 );
|
|
|
|
// use at least three steps, and at utmost the number of color
|
|
// steps
|
|
const unsigned int nStepCount(
|
|
std::max(
|
|
3U,
|
|
std::min(
|
|
nGradientSize / nStripSize,
|
|
128U )) + 1 );
|
|
|
|
const uno::Sequence<double>* pColors=&pPolyImpl->getValues().maColors[0];
|
|
basegfx::utils::KeyStopLerp aLerper(pPolyImpl->getValues().maStops);
|
|
for( unsigned int i=1; i<nStepCount; ++i )
|
|
{
|
|
const double fT( i/double(nStepCount) );
|
|
|
|
std::ptrdiff_t nIndex;
|
|
double fAlpha;
|
|
std::tie(nIndex,fAlpha)=aLerper.lerp(fT);
|
|
|
|
setColor(pCairo, lerp(pColors[nIndex], pColors[nIndex+1], fAlpha));
|
|
cairo_rectangle( pCairo, -1+fT, -1+fT, 2-2*fT, 2-2*fT );
|
|
cairo_fill(pCairo);
|
|
}
|
|
|
|
cairo_restore( pCairo );
|
|
}
|
|
else
|
|
{
|
|
cairo_pattern_t* pPattern = patternFromParametricPolyPolygon( *pPolyImpl );
|
|
|
|
if( pPattern )
|
|
{
|
|
SAL_INFO( "canvas.cairo", "filling with pattern" );
|
|
|
|
cairo_save( pCairo );
|
|
|
|
cairo_transform( pCairo, &aTextureMatrix );
|
|
cairo_set_source( pCairo, pPattern );
|
|
cairo_fill( pCairo );
|
|
cairo_restore( pCairo );
|
|
|
|
cairo_pattern_destroy( pPattern );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
cairo_fill( pCairo );
|
|
SAL_INFO( "canvas.cairo", "fill");
|
|
break;
|
|
case Stroke:
|
|
cairo_stroke( pCairo );
|
|
SAL_INFO( "canvas.cairo", "stroke");
|
|
break;
|
|
case Clip:
|
|
cairo_clip( pCairo );
|
|
SAL_INFO( "canvas.cairo", "clip");
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void clipNULL( cairo_t *pCairo )
|
|
{
|
|
SAL_INFO( "canvas.cairo", "clipNULL");
|
|
cairo_matrix_t aOrigMatrix, aIdentityMatrix;
|
|
|
|
/* we set identity matrix here to overcome bug in cairo 0.9.2
|
|
where XCreatePixmap is called with zero width and height.
|
|
|
|
it also reaches faster path in cairo clipping code.
|
|
*/
|
|
cairo_matrix_init_identity( &aIdentityMatrix );
|
|
cairo_get_matrix( pCairo, &aOrigMatrix );
|
|
cairo_set_matrix( pCairo, &aIdentityMatrix );
|
|
|
|
cairo_reset_clip( pCairo );
|
|
cairo_rectangle( pCairo, 0, 0, 1, 1 );
|
|
cairo_clip( pCairo );
|
|
cairo_rectangle( pCairo, 2, 0, 1, 1 );
|
|
cairo_clip( pCairo );
|
|
|
|
/* restore the original matrix */
|
|
cairo_set_matrix( pCairo, &aOrigMatrix );
|
|
}
|
|
|
|
void doPolyPolygonImplementation( const ::basegfx::B2DPolyPolygon& aPolyPolygon,
|
|
Operation aOperation,
|
|
cairo_t* pCairo,
|
|
const uno::Sequence< rendering::Texture >* pTextures,
|
|
const SurfaceProviderRef& pDevice,
|
|
rendering::FillRule eFillrule )
|
|
{
|
|
if( pTextures )
|
|
ENSURE_ARG_OR_THROW( pTextures->hasElements(),
|
|
"CanvasHelper::fillTexturedPolyPolygon: empty texture sequence");
|
|
|
|
bool bOpToDo = false;
|
|
cairo_matrix_t aOrigMatrix, aIdentityMatrix;
|
|
double nX, nY, nBX, nBY, nAX, nAY, nLastX(0.0), nLastY(0.0);
|
|
|
|
cairo_get_matrix( pCairo, &aOrigMatrix );
|
|
cairo_matrix_init_identity( &aIdentityMatrix );
|
|
cairo_set_matrix( pCairo, &aIdentityMatrix );
|
|
|
|
cairo_set_fill_rule( pCairo,
|
|
eFillrule == rendering::FillRule_EVEN_ODD ?
|
|
CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING );
|
|
|
|
for( sal_uInt32 nPolygonIndex = 0; nPolygonIndex < aPolyPolygon.count(); nPolygonIndex++ )
|
|
{
|
|
const ::basegfx::B2DPolygon& aPolygon( aPolyPolygon.getB2DPolygon( nPolygonIndex ) );
|
|
const sal_uInt32 nPointCount( aPolygon.count() );
|
|
// to correctly render closed curves, need to output first
|
|
// point twice (so output one additional point)
|
|
const sal_uInt32 nExtendedPointCount( nPointCount +
|
|
int(aPolygon.isClosed() && aPolygon.areControlPointsUsed()) );
|
|
|
|
if( nPointCount > 1)
|
|
{
|
|
bool bIsBezier = aPolygon.areControlPointsUsed();
|
|
::basegfx::B2DPoint aA, aB, aP;
|
|
|
|
for( sal_uInt32 j=0; j < nExtendedPointCount; j++ )
|
|
{
|
|
aP = aPolygon.getB2DPoint( j % nPointCount );
|
|
|
|
nX = aP.getX();
|
|
nY = aP.getY();
|
|
cairo_matrix_transform_point( &aOrigMatrix, &nX, &nY );
|
|
|
|
if (!bIsBezier && aOperation == Clip)
|
|
{
|
|
nX = basegfx::fround( nX );
|
|
nY = basegfx::fround( nY );
|
|
}
|
|
|
|
if( aOperation == Stroke )
|
|
{
|
|
nX += 0.5;
|
|
nY += 0.5;
|
|
}
|
|
|
|
if( j==0 )
|
|
{
|
|
cairo_move_to( pCairo, nX, nY );
|
|
SAL_INFO( "canvas.cairo", "move to " << nX << "," << nY );
|
|
}
|
|
else
|
|
{
|
|
if( bIsBezier )
|
|
{
|
|
aA = aPolygon.getNextControlPoint( (j-1) % nPointCount );
|
|
aB = aPolygon.getPrevControlPoint( j % nPointCount );
|
|
|
|
nAX = aA.getX();
|
|
nAY = aA.getY();
|
|
nBX = aB.getX();
|
|
nBY = aB.getY();
|
|
|
|
cairo_matrix_transform_point( &aOrigMatrix, &nAX, &nAY );
|
|
cairo_matrix_transform_point( &aOrigMatrix, &nBX, &nBY );
|
|
|
|
if( aOperation == Stroke )
|
|
{
|
|
nAX += 0.5;
|
|
nAY += 0.5;
|
|
nBX += 0.5;
|
|
nBY += 0.5;
|
|
}
|
|
|
|
// tdf#99165 if the control points are 'empty', create the mathematical
|
|
// correct replacement ones to avoid problems with the graphical sub-system
|
|
// tdf#101026 The 1st attempt to create a mathematically correct replacement control
|
|
// vector was wrong. Best alternative is one as close as possible which means short.
|
|
if (basegfx::fTools::equal(nAX, nLastX) && basegfx::fTools::equal(nAY, nLastY))
|
|
{
|
|
nAX = nLastX + ((nBX - nLastX) * 0.0005);
|
|
nAY = nLastY + ((nBY - nLastY) * 0.0005);
|
|
}
|
|
|
|
if(basegfx::fTools::equal(nBX, nX) && basegfx::fTools::equal(nBY, nY))
|
|
{
|
|
nBX = nX + ((nAX - nX) * 0.0005);
|
|
nBY = nY + ((nAY - nY) * 0.0005);
|
|
}
|
|
|
|
cairo_curve_to( pCairo, nAX, nAY, nBX, nBY, nX, nY );
|
|
}
|
|
else
|
|
{
|
|
cairo_line_to( pCairo, nX, nY );
|
|
SAL_INFO( "canvas.cairo", "line to " << nX << "," << nY );
|
|
}
|
|
bOpToDo = true;
|
|
}
|
|
|
|
nLastX = nX;
|
|
nLastY = nY;
|
|
}
|
|
|
|
if( aPolygon.isClosed() )
|
|
cairo_close_path( pCairo );
|
|
|
|
}
|
|
else
|
|
{
|
|
SAL_INFO( "canvas.cairo", "empty polygon for op: " << aOperation );
|
|
if( aOperation == Clip )
|
|
{
|
|
clipNULL( pCairo );
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( aOperation == Fill && pTextures )
|
|
{
|
|
cairo_set_matrix( pCairo, &aOrigMatrix );
|
|
doOperation( aOperation, pCairo, pTextures, pDevice, aPolyPolygon.getB2DRange() );
|
|
cairo_set_matrix( pCairo, &aIdentityMatrix );
|
|
}
|
|
|
|
if( bOpToDo && ( aOperation != Fill || !pTextures ) )
|
|
doOperation( aOperation, pCairo, pTextures, pDevice, aPolyPolygon.getB2DRange() );
|
|
|
|
cairo_set_matrix( pCairo, &aOrigMatrix );
|
|
|
|
if( aPolyPolygon.count() == 0 && aOperation == Clip )
|
|
clipNULL( pCairo );
|
|
}
|
|
|
|
void CanvasHelper::doPolyPolygonPath( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
|
|
Operation aOperation,
|
|
bool bNoLineJoin,
|
|
const uno::Sequence< rendering::Texture >* pTextures ) const
|
|
{
|
|
const ::basegfx::B2DPolyPolygon& rPolyPoly(
|
|
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPolyPolygon) );
|
|
|
|
cairo_t* pCairo = mpCairo.get();
|
|
|
|
if(bNoLineJoin && aOperation == Stroke)
|
|
{
|
|
// emulate rendering::PathJoinType::NONE by painting single edges
|
|
for(sal_uInt32 a(0); a < rPolyPoly.count(); a++)
|
|
{
|
|
const basegfx::B2DPolygon& aCandidate(rPolyPoly.getB2DPolygon(a));
|
|
const sal_uInt32 nPointCount(aCandidate.count());
|
|
|
|
if(nPointCount)
|
|
{
|
|
const sal_uInt32 nEdgeCount(aCandidate.isClosed() ? nPointCount: nPointCount - 1);
|
|
basegfx::B2DPolygon aEdge;
|
|
aEdge.append(aCandidate.getB2DPoint(0));
|
|
aEdge.append(basegfx::B2DPoint(0.0, 0.0));
|
|
|
|
for(sal_uInt32 b(0); b < nEdgeCount; b++)
|
|
{
|
|
const sal_uInt32 nNextIndex((b + 1) % nPointCount);
|
|
aEdge.setB2DPoint(1, aCandidate.getB2DPoint(nNextIndex));
|
|
aEdge.setNextControlPoint(0, aCandidate.getNextControlPoint(b % nPointCount));
|
|
aEdge.setPrevControlPoint(1, aCandidate.getPrevControlPoint(nNextIndex));
|
|
|
|
doPolyPolygonImplementation( basegfx::B2DPolyPolygon(aEdge),
|
|
aOperation,
|
|
pCairo, pTextures,
|
|
mpSurfaceProvider,
|
|
xPolyPolygon->getFillRule() );
|
|
|
|
// prepare next step
|
|
aEdge.setB2DPoint(0, aEdge.getB2DPoint(1));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
doPolyPolygonImplementation( rPolyPoly, aOperation,
|
|
pCairo, pTextures,
|
|
mpSurfaceProvider,
|
|
xPolyPolygon->getFillRule() );
|
|
}
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawPolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
struct timespec aTimer;
|
|
mxDevice->startPerfTrace( &aTimer );
|
|
#endif
|
|
|
|
if( mpCairo )
|
|
{
|
|
cairo_save( mpCairo.get() );
|
|
|
|
cairo_set_line_width( mpCairo.get(), 1 );
|
|
|
|
useStates( viewState, renderState, true );
|
|
doPolyPolygonPath( xPolyPolygon, Stroke );
|
|
|
|
cairo_restore( mpCairo.get() );
|
|
}
|
|
else
|
|
SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
|
|
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
mxDevice->stopPerfTrace( &aTimer, "drawPolyPolygon" );
|
|
#endif
|
|
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokePolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState,
|
|
const rendering::StrokeAttributes& strokeAttributes )
|
|
{
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
struct timespec aTimer;
|
|
mxDevice->startPerfTrace( &aTimer );
|
|
#endif
|
|
|
|
if( mpCairo )
|
|
{
|
|
cairo_save( mpCairo.get() );
|
|
|
|
useStates( viewState, renderState, true );
|
|
|
|
cairo_matrix_t aMatrix;
|
|
cairo_get_matrix( mpCairo.get(), &aMatrix );
|
|
double scaleFactorX = 1;
|
|
double scaleFactorY = 0;
|
|
cairo_matrix_transform_distance( &aMatrix, &scaleFactorX, &scaleFactorY );
|
|
double scaleFactor = basegfx::B2DVector( scaleFactorX, scaleFactorY ).getLength();
|
|
cairo_set_line_width( mpCairo.get(), strokeAttributes.StrokeWidth * scaleFactor );
|
|
|
|
cairo_set_miter_limit( mpCairo.get(), strokeAttributes.MiterLimit );
|
|
|
|
// FIXME: cairo doesn't handle end cap so far (rodo)
|
|
switch( strokeAttributes.StartCapType )
|
|
{
|
|
case rendering::PathCapType::BUTT:
|
|
cairo_set_line_cap( mpCairo.get(), CAIRO_LINE_CAP_BUTT );
|
|
break;
|
|
case rendering::PathCapType::ROUND:
|
|
cairo_set_line_cap( mpCairo.get(), CAIRO_LINE_CAP_ROUND );
|
|
break;
|
|
case rendering::PathCapType::SQUARE:
|
|
cairo_set_line_cap( mpCairo.get(), CAIRO_LINE_CAP_SQUARE );
|
|
break;
|
|
}
|
|
|
|
bool bNoLineJoin(false);
|
|
|
|
switch( strokeAttributes.JoinType )
|
|
{
|
|
case rendering::PathJoinType::NONE:
|
|
bNoLineJoin = true;
|
|
[[fallthrough]]; // cairo doesn't have join type NONE so we use MITER as it's pretty close
|
|
case rendering::PathJoinType::MITER:
|
|
cairo_set_line_join( mpCairo.get(), CAIRO_LINE_JOIN_MITER );
|
|
break;
|
|
case rendering::PathJoinType::ROUND:
|
|
cairo_set_line_join( mpCairo.get(), CAIRO_LINE_JOIN_ROUND );
|
|
break;
|
|
case rendering::PathJoinType::BEVEL:
|
|
cairo_set_line_join( mpCairo.get(), CAIRO_LINE_JOIN_BEVEL );
|
|
break;
|
|
}
|
|
|
|
//tdf#103026 If the scaling is 0, then all dashes become zero so
|
|
//cairo will set the cairo_t status to CAIRO_STATUS_INVALID_DASH
|
|
//and no further drawing will occur
|
|
if (strokeAttributes.DashArray.hasElements() && scaleFactor > 0.0)
|
|
{
|
|
auto aDashArray(comphelper::sequenceToContainer<std::vector<double>>(strokeAttributes.DashArray));
|
|
for (auto& rDash : aDashArray)
|
|
rDash *= scaleFactor;
|
|
cairo_set_dash(mpCairo.get(), aDashArray.data(), aDashArray.size(), 0);
|
|
}
|
|
|
|
// TODO(rodo) use LineArray of strokeAttributes
|
|
|
|
doPolyPolygonPath( xPolyPolygon, Stroke, bNoLineJoin );
|
|
|
|
cairo_restore( mpCairo.get() );
|
|
}
|
|
else
|
|
SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
|
|
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
mxDevice->stopPerfTrace( &aTimer, "strokePolyPolygon" );
|
|
#endif
|
|
|
|
// TODO(P1): Provide caching here.
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTexturedPolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
|
|
const rendering::ViewState& /*viewState*/,
|
|
const rendering::RenderState& /*renderState*/,
|
|
const uno::Sequence< rendering::Texture >& /*textures*/,
|
|
const rendering::StrokeAttributes& /*strokeAttributes*/ )
|
|
{
|
|
// TODO
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTextureMappedPolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
|
|
const rendering::ViewState& /*viewState*/,
|
|
const rendering::RenderState& /*renderState*/,
|
|
const uno::Sequence< rendering::Texture >& /*textures*/,
|
|
const uno::Reference< geometry::XMapping2D >& /*xMapping*/,
|
|
const rendering::StrokeAttributes& /*strokeAttributes*/ )
|
|
{
|
|
// TODO
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XPolyPolygon2D > CanvasHelper::queryStrokeShapes( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
|
|
const rendering::ViewState& /*viewState*/,
|
|
const rendering::RenderState& /*renderState*/,
|
|
const rendering::StrokeAttributes& /*strokeAttributes*/ )
|
|
{
|
|
// TODO
|
|
return uno::Reference< rendering::XPolyPolygon2D >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillPolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
struct timespec aTimer;
|
|
mxDevice->startPerfTrace( &aTimer );
|
|
#endif
|
|
|
|
if( mpCairo )
|
|
{
|
|
cairo_save( mpCairo.get() );
|
|
|
|
useStates( viewState, renderState, true );
|
|
doPolyPolygonPath( xPolyPolygon, Fill );
|
|
|
|
cairo_restore( mpCairo.get() );
|
|
}
|
|
else
|
|
SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
|
|
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
mxDevice->stopPerfTrace( &aTimer, "fillPolyPolygon" );
|
|
#endif
|
|
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTexturedPolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState,
|
|
const uno::Sequence< rendering::Texture >& textures )
|
|
{
|
|
if( mpCairo )
|
|
{
|
|
cairo_save( mpCairo.get() );
|
|
|
|
useStates( viewState, renderState, true );
|
|
doPolyPolygonPath( xPolyPolygon, Fill, false, &textures );
|
|
|
|
cairo_restore( mpCairo.get() );
|
|
}
|
|
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTextureMappedPolyPolygon( const rendering::XCanvas* ,
|
|
const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
|
|
const rendering::ViewState& /*viewState*/,
|
|
const rendering::RenderState& /*renderState*/,
|
|
const uno::Sequence< rendering::Texture >& /*textures*/,
|
|
const uno::Reference< geometry::XMapping2D >& /*xMapping*/ )
|
|
{
|
|
// TODO
|
|
return uno::Reference< rendering::XCachedPrimitive >(nullptr);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::implDrawBitmapSurface( const rendering::XCanvas* pCanvas,
|
|
const SurfaceSharedPtr& pInputSurface,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState,
|
|
const geometry::IntegerSize2D& rSize,
|
|
bool bModulateColors,
|
|
bool bHasAlpha )
|
|
{
|
|
SurfaceSharedPtr pSurface=pInputSurface;
|
|
uno::Reference< rendering::XCachedPrimitive > rv;
|
|
geometry::IntegerSize2D aBitmapSize = rSize;
|
|
|
|
if( mpCairo )
|
|
{
|
|
cairo_save( mpCairo.get() );
|
|
|
|
cairo_rectangle( mpCairo.get(), 0, 0, maSize.getWidth(), maSize.getHeight() );
|
|
cairo_clip( mpCairo.get() );
|
|
|
|
useStates( viewState, renderState, true );
|
|
|
|
cairo_matrix_t aMatrix;
|
|
|
|
cairo_get_matrix( mpCairo.get(), &aMatrix );
|
|
if( ! ::rtl::math::approxEqual( aMatrix.xx, 1 ) &&
|
|
! ::rtl::math::approxEqual( aMatrix.yy, 1 ) &&
|
|
::rtl::math::approxEqual( aMatrix.x0, 0 ) &&
|
|
::rtl::math::approxEqual( aMatrix.y0, 0 ) &&
|
|
basegfx::fround( rSize.Width * aMatrix.xx ) > 8 &&
|
|
basegfx::fround( rSize.Height* aMatrix.yy ) > 8 )
|
|
{
|
|
double dWidth, dHeight;
|
|
|
|
dWidth = basegfx::fround( rSize.Width * aMatrix.xx );
|
|
dHeight = basegfx::fround( rSize.Height* aMatrix.yy );
|
|
aBitmapSize.Width = static_cast<sal_Int32>( dWidth );
|
|
aBitmapSize.Height = static_cast<sal_Int32>( dHeight );
|
|
|
|
SurfaceSharedPtr pScaledSurface = mpSurfaceProvider->createSurface(
|
|
::basegfx::B2ISize( aBitmapSize.Width, aBitmapSize.Height ),
|
|
bHasAlpha ? CAIRO_CONTENT_COLOR_ALPHA : CAIRO_CONTENT_COLOR );
|
|
CairoSharedPtr pCairo = pScaledSurface->getCairo();
|
|
|
|
cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
|
|
// add 0.5px to size to avoid rounding errors in cairo, leading sometimes to random data on the image right/bottom borders
|
|
cairo_scale( pCairo.get(), (dWidth+0.5)/rSize.Width, (dHeight+0.5)/rSize.Height );
|
|
cairo_set_source_surface( pCairo.get(), pSurface->getCairoSurface().get(), 0, 0 );
|
|
cairo_paint( pCairo.get() );
|
|
|
|
pSurface = pScaledSurface;
|
|
|
|
aMatrix.xx = aMatrix.yy = 1;
|
|
cairo_set_matrix( mpCairo.get(), &aMatrix );
|
|
|
|
rv.set(
|
|
new CachedBitmap( pSurface, viewState, renderState,
|
|
// cast away const, need to
|
|
// change refcount (as this is
|
|
// ~invisible to client code,
|
|
// still logically const)
|
|
const_cast< rendering::XCanvas* >(pCanvas)) );
|
|
}
|
|
|
|
if( !bHasAlpha && mbHaveAlpha )
|
|
{
|
|
double x, y, width, height;
|
|
|
|
x = y = 0;
|
|
width = aBitmapSize.Width;
|
|
height = aBitmapSize.Height;
|
|
cairo_matrix_transform_point( &aMatrix, &x, &y );
|
|
cairo_matrix_transform_distance( &aMatrix, &width, &height );
|
|
|
|
// in case the bitmap doesn't have alpha and covers whole area
|
|
// we try to change surface to plain rgb
|
|
SAL_INFO( "canvas.cairo","chance to change surface to rgb, " << x << ", " << y << ", " << width << " x " << height << " (" << maSize.getWidth() << " x " << maSize.getHeight() << ")" );
|
|
if( x <= 0 && y <= 0 && x + width >= maSize.getWidth() && y + height >= maSize.getHeight() )
|
|
{
|
|
SAL_INFO( "canvas.cairo","trying to change surface to rgb");
|
|
if( mpSurfaceProvider ) {
|
|
SurfaceSharedPtr pNewSurface = mpSurfaceProvider->changeSurface();
|
|
|
|
if( pNewSurface )
|
|
setSurface( pNewSurface, false );
|
|
|
|
// set state to new mpCairo.get()
|
|
useStates( viewState, renderState, true );
|
|
// use the possibly modified matrix
|
|
cairo_set_matrix( mpCairo.get(), &aMatrix );
|
|
}
|
|
}
|
|
}
|
|
|
|
cairo_set_source_surface( mpCairo.get(), pSurface->getCairoSurface().get(), 0, 0 );
|
|
if( !bHasAlpha &&
|
|
::rtl::math::approxEqual( aMatrix.xx, 1 ) &&
|
|
::rtl::math::approxEqual( aMatrix.yy, 1 ) &&
|
|
::rtl::math::approxEqual( aMatrix.x0, 0 ) &&
|
|
::rtl::math::approxEqual( aMatrix.y0, 0 ) )
|
|
cairo_set_operator( mpCairo.get(), CAIRO_OPERATOR_SOURCE );
|
|
cairo_pattern_set_extend( cairo_get_source(mpCairo.get()), CAIRO_EXTEND_PAD );
|
|
cairo_rectangle( mpCairo.get(), 0, 0, aBitmapSize.Width, aBitmapSize.Height );
|
|
cairo_clip( mpCairo.get() );
|
|
|
|
// Use cairo_matrix_transform_distance() to determine the scaling, as that works even if
|
|
// the matrix also has rotation.
|
|
double fPixelWidth = rSize.Width;
|
|
double fPixelHeight = rSize.Height;
|
|
cairo_matrix_transform_distance(&aMatrix, &fPixelWidth, &fPixelHeight);
|
|
int nPixelWidth = std::round(fPixelWidth);
|
|
int nPixelHeight = std::round(fPixelHeight);
|
|
if (std::abs(nPixelWidth) > 0 && std::abs(nPixelHeight) > 0)
|
|
{
|
|
// Only render the image if it's at least 1x1 px sized.
|
|
if (bModulateColors)
|
|
cairo_paint_with_alpha(mpCairo.get(), renderState.DeviceColor[3]);
|
|
else
|
|
{
|
|
cairo_paint(mpCairo.get());
|
|
if (cairo_status(mpCairo.get()) != CAIRO_STATUS_SUCCESS)
|
|
{
|
|
SAL_WARN("canvas.cairo", "cairo_paint() failed: " << cairo_status_to_string(
|
|
cairo_status(mpCairo.get())));
|
|
}
|
|
}
|
|
}
|
|
cairo_restore( mpCairo.get() );
|
|
}
|
|
else
|
|
SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
|
|
|
|
return rv; // uno::Reference< rendering::XCachedPrimitive >(NULL);
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmap( const rendering::XCanvas* pCanvas,
|
|
const uno::Reference< rendering::XBitmap >& xBitmap,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
struct timespec aTimer;
|
|
mxDevice->startPerfTrace( &aTimer );
|
|
#endif
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > rv;
|
|
unsigned char* data = nullptr;
|
|
bool bHasAlpha = false;
|
|
SurfaceSharedPtr pSurface = surfaceFromXBitmap( xBitmap, mpSurfaceProvider, data, bHasAlpha );
|
|
geometry::IntegerSize2D aSize = xBitmap->getSize();
|
|
|
|
if( pSurface )
|
|
{
|
|
rv = implDrawBitmapSurface( pCanvas, pSurface, viewState, renderState, aSize, false, bHasAlpha );
|
|
|
|
if( data )
|
|
free( data );
|
|
}
|
|
else
|
|
rv.clear();
|
|
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
mxDevice->stopPerfTrace( &aTimer, "drawBitmap" );
|
|
#endif
|
|
|
|
return rv;
|
|
}
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmapModulated( const rendering::XCanvas* pCanvas,
|
|
const uno::Reference< rendering::XBitmap >& xBitmap,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
struct timespec aTimer;
|
|
mxDevice->startPerfTrace( &aTimer );
|
|
#endif
|
|
|
|
uno::Reference< rendering::XCachedPrimitive > rv;
|
|
unsigned char* data = nullptr;
|
|
bool bHasAlpha = false;
|
|
SurfaceSharedPtr pSurface = surfaceFromXBitmap( xBitmap, mpSurfaceProvider, data, bHasAlpha );
|
|
geometry::IntegerSize2D aSize = xBitmap->getSize();
|
|
|
|
if( pSurface )
|
|
{
|
|
rv = implDrawBitmapSurface( pCanvas, pSurface, viewState, renderState, aSize, true, bHasAlpha );
|
|
|
|
if( data )
|
|
free( data );
|
|
}
|
|
else
|
|
rv.clear();
|
|
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
mxDevice->stopPerfTrace( &aTimer, "drawBitmap" );
|
|
#endif
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
geometry::IntegerSize2D CanvasHelper::getSize() const
|
|
{
|
|
if( !mpSurfaceProvider )
|
|
return geometry::IntegerSize2D(1, 1); // we're disposed
|
|
|
|
return ::basegfx::unotools::integerSize2DFromB2ISize( maSize );
|
|
}
|
|
|
|
uno::Reference< rendering::XBitmap > CanvasHelper::getScaledBitmap( const geometry::RealSize2D& newSize,
|
|
bool /*beFast*/ )
|
|
{
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
struct timespec aTimer;
|
|
mxDevice->startPerfTrace( &aTimer );
|
|
#endif
|
|
|
|
if( mpCairo )
|
|
{
|
|
return uno::Reference< rendering::XBitmap >( new CanvasBitmap( ::basegfx::B2ISize( ::canvas::tools::roundUp( newSize.Width ),
|
|
::canvas::tools::roundUp( newSize.Height ) ),
|
|
mpSurfaceProvider, mpDevice, false ) );
|
|
}
|
|
else
|
|
SAL_INFO( "canvas.cairo", "CanvasHelper called after it was disposed");
|
|
|
|
#ifdef CAIRO_CANVAS_PERF_TRACE
|
|
mxDevice->stopPerfTrace( &aTimer, "getScaledBitmap" );
|
|
#endif
|
|
|
|
return uno::Reference< rendering::XBitmap >();
|
|
}
|
|
|
|
uno::Sequence< sal_Int8 > CanvasHelper::getData( rendering::IntegerBitmapLayout& aLayout,
|
|
const geometry::IntegerRectangle2D& rect )
|
|
{
|
|
if( mpCairo )
|
|
{
|
|
const sal_Int32 nWidth( rect.X2 - rect.X1 );
|
|
const sal_Int32 nHeight( rect.Y2 - rect.Y1 );
|
|
const cairo_format_t eFormat( mbHaveAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24 );
|
|
uno::Sequence< sal_Int8 > aRes( 4*nWidth*nHeight );
|
|
sal_Int8* pData = aRes.getArray();
|
|
cairo_surface_t* pImageSurface = cairo_image_surface_create_for_data( reinterpret_cast<unsigned char *>(pData),
|
|
eFormat,
|
|
nWidth, nHeight, 4*nWidth );
|
|
cairo_t* pCairo = cairo_create( pImageSurface );
|
|
cairo_set_source_surface( pCairo, mpSurface->getCairoSurface().get(), -rect.X1, -rect.Y1);
|
|
cairo_paint( pCairo );
|
|
cairo_destroy( pCairo );
|
|
cairo_surface_destroy( pImageSurface );
|
|
|
|
aLayout = impl_getMemoryLayout( nWidth, nHeight );
|
|
|
|
return aRes;
|
|
}
|
|
|
|
return uno::Sequence< sal_Int8 >();
|
|
}
|
|
|
|
uno::Sequence< sal_Int8 > CanvasHelper::getPixel( rendering::IntegerBitmapLayout& /*bitmapLayout*/,
|
|
const geometry::IntegerPoint2D& /*pos*/ )
|
|
{
|
|
return uno::Sequence< sal_Int8 >();
|
|
}
|
|
|
|
namespace
|
|
{
|
|
class CairoColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
|
|
{
|
|
private:
|
|
uno::Sequence< sal_Int8 > maComponentTags;
|
|
uno::Sequence< sal_Int32 > maBitCounts;
|
|
|
|
virtual ::sal_Int8 SAL_CALL getType( ) override
|
|
{
|
|
return rendering::ColorSpaceType::RGB;
|
|
}
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
|
|
{
|
|
return maComponentTags;
|
|
}
|
|
virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
|
|
{
|
|
return rendering::RenderingIntent::PERCEPTUAL;
|
|
}
|
|
virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
|
|
{
|
|
return uno::Sequence< beans::PropertyValue >();
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
|
|
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
|
|
{
|
|
// TODO(P3): if we know anything about target
|
|
// colorspace, this can be greatly sped up
|
|
uno::Sequence<rendering::ARGBColor> aIntermediate(
|
|
convertToARGB(deviceColor));
|
|
return targetColorSpace->convertFromARGB(aIntermediate);
|
|
}
|
|
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
const double* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
|
|
rendering::RGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
const double fAlpha(pIn[3]);
|
|
if( fAlpha == 0.0 )
|
|
*pOut++ = rendering::RGBColor(0.0, 0.0, 0.0);
|
|
else
|
|
*pOut++ = rendering::RGBColor(pIn[2]/fAlpha,pIn[1]/fAlpha,pIn[0]/fAlpha);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
const double* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
const double fAlpha(pIn[3]);
|
|
if( fAlpha == 0.0 )
|
|
*pOut++ = rendering::ARGBColor(0.0, 0.0, 0.0, 0.0);
|
|
else
|
|
*pOut++ = rendering::ARGBColor(fAlpha,pIn[2]/fAlpha,pIn[1]/fAlpha,pIn[0]/fAlpha);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
const double* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::ARGBColor(pIn[3],pIn[2],pIn[1],pIn[1]);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::RGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = pIn->Blue;
|
|
*pColors++ = pIn->Green;
|
|
*pColors++ = pIn->Red;
|
|
*pColors++ = 1.0;
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = pIn->Alpha*pIn->Blue;
|
|
*pColors++ = pIn->Alpha*pIn->Green;
|
|
*pColors++ = pIn->Alpha*pIn->Red;
|
|
*pColors++ = pIn->Alpha;
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = pIn->Blue;
|
|
*pColors++ = pIn->Green;
|
|
*pColors++ = pIn->Red;
|
|
*pColors++ = pIn->Alpha;
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
// XIntegerBitmapColorSpace
|
|
virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
|
|
{
|
|
return 32;
|
|
}
|
|
virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
|
|
{
|
|
return maBitCounts;
|
|
}
|
|
virtual ::sal_Int8 SAL_CALL getEndianness( ) override
|
|
{
|
|
return util::Endianness::LITTLE;
|
|
}
|
|
virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
|
|
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
|
|
{
|
|
if( dynamic_cast<CairoColorSpace*>(targetColorSpace.get()) )
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence<double> aRes(nLen);
|
|
double* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
}
|
|
return aRes;
|
|
}
|
|
else
|
|
{
|
|
// TODO(P3): if we know anything about target
|
|
// colorspace, this can be greatly sped up
|
|
uno::Sequence<rendering::ARGBColor> aIntermediate(
|
|
convertIntegerToARGB(deviceColor));
|
|
return targetColorSpace->convertFromARGB(aIntermediate);
|
|
}
|
|
}
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
|
|
const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
|
|
{
|
|
if( dynamic_cast<CairoColorSpace*>(targetColorSpace.get()) )
|
|
{
|
|
// it's us, so simply pass-through the data
|
|
return deviceColor;
|
|
}
|
|
else
|
|
{
|
|
// TODO(P3): if we know anything about target
|
|
// colorspace, this can be greatly sped up
|
|
uno::Sequence<rendering::ARGBColor> aIntermediate(
|
|
convertIntegerToARGB(deviceColor));
|
|
return targetColorSpace->convertIntegerFromARGB(aIntermediate);
|
|
}
|
|
}
|
|
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
|
|
rendering::RGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
const double fAlpha(static_cast<sal_uInt8>(pIn[3]));
|
|
if( fAlpha )
|
|
*pOut++ = rendering::RGBColor(
|
|
pIn[2]/fAlpha,
|
|
pIn[1]/fAlpha,
|
|
pIn[0]/fAlpha);
|
|
else
|
|
*pOut++ = rendering::RGBColor(0,0,0);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
const double fAlpha(static_cast<sal_uInt8>(pIn[3]));
|
|
if( fAlpha )
|
|
*pOut++ = rendering::ARGBColor(
|
|
fAlpha/255.0,
|
|
pIn[2]/fAlpha,
|
|
pIn[1]/fAlpha,
|
|
pIn[0]/fAlpha);
|
|
else
|
|
*pOut++ = rendering::ARGBColor(0,0,0,0);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::ARGBColor(
|
|
vcl::unotools::toDoubleColor(pIn[3]),
|
|
vcl::unotools::toDoubleColor(pIn[2]),
|
|
vcl::unotools::toDoubleColor(pIn[1]),
|
|
vcl::unotools::toDoubleColor(pIn[0]));
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::RGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< sal_Int8 > aRes(nLen*4);
|
|
sal_Int8* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Blue);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Green);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Red);
|
|
*pColors++ = -1;
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< sal_Int8 > aRes(nLen*4);
|
|
sal_Int8* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
const double fAlpha(pIn->Alpha);
|
|
*pColors++ = vcl::unotools::toByteColor(fAlpha*pIn->Blue);
|
|
*pColors++ = vcl::unotools::toByteColor(fAlpha*pIn->Green);
|
|
*pColors++ = vcl::unotools::toByteColor(fAlpha*pIn->Red);
|
|
*pColors++ = vcl::unotools::toByteColor(fAlpha);
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< sal_Int8 > aRes(nLen*4);
|
|
sal_Int8* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Blue);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Green);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Red);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Alpha);
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
public:
|
|
CairoColorSpace() :
|
|
maComponentTags(4),
|
|
maBitCounts(4)
|
|
{
|
|
sal_Int8* pTags = maComponentTags.getArray();
|
|
sal_Int32* pBitCounts = maBitCounts.getArray();
|
|
pTags[0] = rendering::ColorComponentTag::RGB_BLUE;
|
|
pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
|
|
pTags[2] = rendering::ColorComponentTag::RGB_RED;
|
|
pTags[3] = rendering::ColorComponentTag::PREMULTIPLIED_ALPHA;
|
|
|
|
pBitCounts[0] =
|
|
pBitCounts[1] =
|
|
pBitCounts[2] =
|
|
pBitCounts[3] = 8;
|
|
}
|
|
};
|
|
|
|
class CairoNoAlphaColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
|
|
{
|
|
private:
|
|
uno::Sequence< sal_Int8 > maComponentTags;
|
|
uno::Sequence< sal_Int32 > maBitCounts;
|
|
|
|
virtual ::sal_Int8 SAL_CALL getType( ) override
|
|
{
|
|
return rendering::ColorSpaceType::RGB;
|
|
}
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
|
|
{
|
|
return maComponentTags;
|
|
}
|
|
virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
|
|
{
|
|
return rendering::RenderingIntent::PERCEPTUAL;
|
|
}
|
|
virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
|
|
{
|
|
return uno::Sequence< beans::PropertyValue >();
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
|
|
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
|
|
{
|
|
// TODO(P3): if we know anything about target
|
|
// colorspace, this can be greatly sped up
|
|
uno::Sequence<rendering::ARGBColor> aIntermediate(
|
|
convertToARGB(deviceColor));
|
|
return targetColorSpace->convertFromARGB(aIntermediate);
|
|
}
|
|
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
const double* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
|
|
rendering::RGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::RGBColor(pIn[2], pIn[1], pIn[0]);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
uno::Sequence< rendering::ARGBColor > impl_convertToARGB( const uno::Sequence< double >& deviceColor )
|
|
{
|
|
const double* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::ARGBColor(1.0, pIn[2], pIn[1], pIn[0]);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
return impl_convertToARGB( deviceColor );
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
return impl_convertToARGB( deviceColor );
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::RGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = pIn->Blue;
|
|
*pColors++ = pIn->Green;
|
|
*pColors++ = pIn->Red;
|
|
*pColors++ = 1.0; // the value does not matter
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
uno::Sequence< double > impl_convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor )
|
|
{
|
|
const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = pIn->Blue;
|
|
*pColors++ = pIn->Green;
|
|
*pColors++ = pIn->Red;
|
|
*pColors++ = 1.0; // the value does not matter
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
return impl_convertFromARGB( rgbColor );
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
return impl_convertFromARGB( rgbColor );
|
|
}
|
|
|
|
// XIntegerBitmapColorSpace
|
|
virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
|
|
{
|
|
return 32;
|
|
}
|
|
virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
|
|
{
|
|
return maBitCounts;
|
|
}
|
|
virtual ::sal_Int8 SAL_CALL getEndianness( ) override
|
|
{
|
|
return util::Endianness::LITTLE;
|
|
}
|
|
virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
|
|
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
|
|
{
|
|
if( dynamic_cast<CairoColorSpace*>(targetColorSpace.get()) )
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence<double> aRes(nLen);
|
|
double* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
*pOut++ = vcl::unotools::toDoubleColor(*pIn++);
|
|
*pOut++ = 1.0; pIn++; // the value does not matter
|
|
}
|
|
return aRes;
|
|
}
|
|
else
|
|
{
|
|
// TODO(P3): if we know anything about target
|
|
// colorspace, this can be greatly sped up
|
|
uno::Sequence<rendering::ARGBColor> aIntermediate(
|
|
convertIntegerToARGB(deviceColor));
|
|
return targetColorSpace->convertFromARGB(aIntermediate);
|
|
}
|
|
}
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
|
|
const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
|
|
{
|
|
if( dynamic_cast<CairoNoAlphaColorSpace*>(targetColorSpace.get()) )
|
|
{
|
|
// it's us, so simply pass-through the data
|
|
return deviceColor;
|
|
}
|
|
else
|
|
{
|
|
// TODO(P3): if we know anything about target
|
|
// colorspace, this can be greatly sped up
|
|
uno::Sequence<rendering::ARGBColor> aIntermediate(
|
|
convertIntegerToARGB(deviceColor));
|
|
return targetColorSpace->convertIntegerFromARGB(aIntermediate);
|
|
}
|
|
}
|
|
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
|
|
rendering::RGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::RGBColor( pIn[2], pIn[1], pIn[0] );
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
|
|
{
|
|
return impl_convertIntegerToARGB( deviceColor );
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
|
|
{
|
|
return impl_convertIntegerToARGB( deviceColor );
|
|
}
|
|
uno::Sequence< rendering::ARGBColor > impl_convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor )
|
|
{
|
|
const sal_Int8* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::ARGBColor(
|
|
1.0,
|
|
vcl::unotools::toDoubleColor(pIn[2]),
|
|
vcl::unotools::toDoubleColor(pIn[1]),
|
|
vcl::unotools::toDoubleColor(pIn[0]));
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
|
|
{
|
|
const rendering::RGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< sal_Int8 > aRes(nLen*4);
|
|
sal_Int8* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Blue);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Green);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Red);
|
|
*pColors++ = -1; // the value does not matter
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
return impl_convertIntegerFromARGB( rgbColor );
|
|
}
|
|
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
return impl_convertIntegerFromARGB( rgbColor );
|
|
}
|
|
uno::Sequence< ::sal_Int8 > impl_convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor )
|
|
{
|
|
const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< sal_Int8 > aRes(nLen*4);
|
|
sal_Int8* pColors=aRes.getArray();
|
|
for( std::size_t i=0; i<nLen; ++i )
|
|
{
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Blue);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Green);
|
|
*pColors++ = vcl::unotools::toByteColor(pIn->Red);
|
|
*pColors++ = -1; // the value does not matter
|
|
++pIn;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
public:
|
|
CairoNoAlphaColorSpace() :
|
|
maComponentTags(3),
|
|
maBitCounts(3)
|
|
{
|
|
sal_Int8* pTags = maComponentTags.getArray();
|
|
sal_Int32* pBitCounts = maBitCounts.getArray();
|
|
pTags[0] = rendering::ColorComponentTag::RGB_BLUE;
|
|
pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
|
|
pTags[2] = rendering::ColorComponentTag::RGB_RED;
|
|
|
|
pBitCounts[0] =
|
|
pBitCounts[1] =
|
|
pBitCounts[2] = 8;
|
|
}
|
|
};
|
|
|
|
uno::Reference<rendering::XIntegerBitmapColorSpace>& GetCairoNoAlphaColorSpace()
|
|
{
|
|
static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new CairoNoAlphaColorSpace();
|
|
return SPACE;
|
|
};
|
|
|
|
uno::Reference<rendering::XIntegerBitmapColorSpace>& GetCairoColorSpace()
|
|
{
|
|
static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new CairoColorSpace();
|
|
return SPACE;
|
|
};
|
|
|
|
}
|
|
|
|
rendering::IntegerBitmapLayout CanvasHelper::getMemoryLayout()
|
|
{
|
|
if( !mpCairo )
|
|
return rendering::IntegerBitmapLayout(); // we're disposed
|
|
|
|
const geometry::IntegerSize2D aSize(getSize());
|
|
|
|
return impl_getMemoryLayout( aSize.Width, aSize.Height );
|
|
}
|
|
|
|
rendering::IntegerBitmapLayout
|
|
CanvasHelper::impl_getMemoryLayout( const sal_Int32 nWidth, const sal_Int32 nHeight )
|
|
{
|
|
rendering::IntegerBitmapLayout aLayout;
|
|
|
|
aLayout.ScanLines = nHeight;
|
|
aLayout.ScanLineBytes = nWidth*4;
|
|
aLayout.ScanLineStride = aLayout.ScanLineBytes;
|
|
aLayout.PlaneStride = 0;
|
|
aLayout.ColorSpace = mbHaveAlpha ? GetCairoColorSpace() : GetCairoNoAlphaColorSpace();
|
|
aLayout.Palette.clear();
|
|
aLayout.IsMsbFirst = false;
|
|
|
|
return aLayout;
|
|
}
|
|
|
|
|
|
bool CanvasHelper::repaint( const SurfaceSharedPtr& pSurface,
|
|
const rendering::ViewState& viewState,
|
|
const rendering::RenderState& renderState )
|
|
{
|
|
SAL_INFO( "canvas.cairo", "CanvasHelper::repaint");
|
|
|
|
if( !mpCairo )
|
|
return true;
|
|
|
|
cairo_save( mpCairo.get() );
|
|
|
|
cairo_rectangle( mpCairo.get(), 0, 0, maSize.getWidth(), maSize.getHeight() );
|
|
cairo_clip( mpCairo.get() );
|
|
|
|
useStates( viewState, renderState, true );
|
|
|
|
cairo_matrix_t aMatrix;
|
|
|
|
cairo_get_matrix( mpCairo.get(), &aMatrix );
|
|
aMatrix.xx = aMatrix.yy = 1;
|
|
cairo_set_matrix( mpCairo.get(), &aMatrix );
|
|
|
|
cairo_set_source_surface( mpCairo.get(), pSurface->getCairoSurface().get(), 0, 0 );
|
|
cairo_paint( mpCairo.get() );
|
|
cairo_restore( mpCairo.get() );
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|