diff options
Diffstat (limited to 'cppcanvas/source/mtfrenderer/polypolyaction.cxx')
| -rw-r--r-- | cppcanvas/source/mtfrenderer/polypolyaction.cxx | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/cppcanvas/source/mtfrenderer/polypolyaction.cxx b/cppcanvas/source/mtfrenderer/polypolyaction.cxx new file mode 100644 index 0000000000..955727a313 --- /dev/null +++ b/cppcanvas/source/mtfrenderer/polypolyaction.cxx @@ -0,0 +1,500 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <com/sun/star/rendering/XCanvas.hpp> + +#include <sal/types.h> + +#include <basegfx/range/b2drectangle.hxx> +#include <basegfx/utils/canvastools.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <canvas/canvastools.hxx> +#include <osl/diagnose.h> +#include <sal/log.hxx> + +#include "cachedprimitivebase.hxx" +#include "polypolyaction.hxx" +#include <outdevstate.hxx> +#include <utility> +#include "mtftools.hxx" + + +using namespace ::com::sun::star; + +namespace cppcanvas::internal +{ + namespace + { + class PolyPolyAction : public CachedPrimitiveBase + { + public: + PolyPolyAction( const ::basegfx::B2DPolyPolygon&, + const CanvasSharedPtr&, + const OutDevState&, + bool bFill, + bool bStroke ); + PolyPolyAction( const ::basegfx::B2DPolyPolygon&, + const CanvasSharedPtr&, + const OutDevState&, + bool bFill, + bool bStroke, + int nTransparency ); + + virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const override; + + virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override; + virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const override; + + virtual sal_Int32 getActionCount() const override; + + private: + using Action::render; + virtual bool renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive, + const ::basegfx::B2DHomMatrix& rTransformation ) const override; + + const uno::Reference< rendering::XPolyPolygon2D > mxPolyPoly; + const ::basegfx::B2DRange maBounds; + const CanvasSharedPtr mpCanvas; + + // stroke color is now implicit: the maState.DeviceColor member + rendering::RenderState maState; + + uno::Sequence< double > maFillColor; + }; + + PolyPolyAction::PolyPolyAction( const ::basegfx::B2DPolyPolygon& rPolyPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + bool bFill, + bool bStroke ) : + CachedPrimitiveBase( rCanvas, false ), + mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ), + maBounds( ::basegfx::utils::getRange(rPolyPoly) ), + mpCanvas( rCanvas ) + { + tools::initRenderState(maState,rState); + + if( bFill ) + maFillColor = rState.fillColor; + + if( bStroke ) + maState.DeviceColor = rState.lineColor; + } + + PolyPolyAction::PolyPolyAction( const ::basegfx::B2DPolyPolygon& rPolyPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + bool bFill, + bool bStroke, + int nTransparency ) : + CachedPrimitiveBase( rCanvas, false ), + mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ), + maBounds( ::basegfx::utils::getRange(rPolyPoly) ), + mpCanvas( rCanvas ) + { + tools::initRenderState(maState,rState); + + if( bFill ) + { + maFillColor = rState.fillColor; + + if( maFillColor.getLength() < 4 ) + maFillColor.realloc( 4 ); + + // TODO(F1): Color management + // adapt fill color transparency + maFillColor.getArray()[3] = 1.0 - nTransparency / 100.0; + } + + if( bStroke ) + { + maState.DeviceColor = rState.lineColor; + + if( maState.DeviceColor.getLength() < 4 ) + maState.DeviceColor.realloc( 4 ); + + // TODO(F1): Color management + // adapt fill color transparency + maState.DeviceColor.getArray()[3] = 1.0 - nTransparency / 100.0; + } + } + + bool PolyPolyAction::renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive, + const ::basegfx::B2DHomMatrix& rTransformation ) const + { + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PolyPolyAction::renderPrimitive()" ); + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PolyPolyAction: 0x" << std::hex << this ); + + rendering::RenderState aLocalState( maState ); + ::canvas::tools::prependToRenderState(aLocalState, rTransformation); + + if( maFillColor.hasElements() ) + { + // TODO(E3): Use DBO's finalizer here, + // fillPolyPolygon() might throw + const uno::Sequence< double > aTmpColor( aLocalState.DeviceColor ); + aLocalState.DeviceColor = maFillColor; + + rCachedPrimitive = mpCanvas->getUNOCanvas()->fillPolyPolygon( mxPolyPoly, + mpCanvas->getViewState(), + aLocalState ); + + aLocalState.DeviceColor = aTmpColor; + } + + if( aLocalState.DeviceColor.hasElements() ) + { + rCachedPrimitive = mpCanvas->getUNOCanvas()->drawPolyPolygon( mxPolyPoly, + mpCanvas->getViewState(), + aLocalState ); + } + + return true; + } + + bool PolyPolyAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + + // polygon only contains a single action, fail if subset + // requests different range + if( rSubset.mnSubsetBegin != 0 || + rSubset.mnSubsetEnd != 1 ) + return false; + + return CachedPrimitiveBase::render( rTransformation ); + } + + ::basegfx::B2DRange PolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const + { + rendering::RenderState aLocalState( maState ); + ::canvas::tools::prependToRenderState(aLocalState, rTransformation); + + return tools::calcDevicePixelBounds( + maBounds, + mpCanvas->getViewState(), + aLocalState ); + } + + ::basegfx::B2DRange PolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + + // polygon only contains a single action, empty bounds + // if subset requests different range + if( rSubset.mnSubsetBegin != 0 || + rSubset.mnSubsetEnd != 1 ) + return ::basegfx::B2DRange(); + + return getBounds( rTransformation ); + } + + sal_Int32 PolyPolyAction::getActionCount() const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + return 1; + } + + + class TexturedPolyPolyAction : public CachedPrimitiveBase + { + public: + TexturedPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + const rendering::Texture& rTexture ); + + virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const override; + + virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override; + virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const override; + + virtual sal_Int32 getActionCount() const override; + + private: + using Action::render; + virtual bool renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive, + const ::basegfx::B2DHomMatrix& rTransformation ) const override; + + const uno::Reference< rendering::XPolyPolygon2D > mxPolyPoly; + const ::basegfx::B2DRectangle maBounds; + const CanvasSharedPtr mpCanvas; + + // stroke color is now implicit: the maState.DeviceColor member + rendering::RenderState maState; + const rendering::Texture maTexture; + }; + + TexturedPolyPolyAction::TexturedPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPolyPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + const rendering::Texture& rTexture ) : + CachedPrimitiveBase( rCanvas, true ), + mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ), + maBounds( ::basegfx::utils::getRange(rPolyPoly) ), + mpCanvas( rCanvas ), + maTexture( rTexture ) + { + tools::initRenderState(maState,rState); + } + + bool TexturedPolyPolyAction::renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive, + const ::basegfx::B2DHomMatrix& rTransformation ) const + { + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PolyPolyAction::renderPrimitive()" ); + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PolyPolyAction: 0x" << std::hex << this ); + + rendering::RenderState aLocalState( maState ); + ::canvas::tools::prependToRenderState(aLocalState, rTransformation); + + uno::Sequence< rendering::Texture > aSeq { maTexture }; + + rCachedPrimitive = mpCanvas->getUNOCanvas()->fillTexturedPolyPolygon( mxPolyPoly, + mpCanvas->getViewState(), + aLocalState, + aSeq ); + return true; + } + + bool TexturedPolyPolyAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + + // polygon only contains a single action, fail if subset + // requests different range + if( rSubset.mnSubsetBegin != 0 || + rSubset.mnSubsetEnd != 1 ) + return false; + + return CachedPrimitiveBase::render( rTransformation ); + } + + ::basegfx::B2DRange TexturedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const + { + rendering::RenderState aLocalState( maState ); + ::canvas::tools::prependToRenderState(aLocalState, rTransformation); + + return tools::calcDevicePixelBounds( + maBounds, + mpCanvas->getViewState(), + aLocalState ); + } + + ::basegfx::B2DRange TexturedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + + // polygon only contains a single action, empty bounds + // if subset requests different range + if( rSubset.mnSubsetBegin != 0 || + rSubset.mnSubsetEnd != 1 ) + return ::basegfx::B2DRange(); + + return getBounds( rTransformation ); + } + + sal_Int32 TexturedPolyPolyAction::getActionCount() const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + return 1; + } + + + class StrokedPolyPolyAction : public CachedPrimitiveBase + { + public: + StrokedPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + rendering::StrokeAttributes aStrokeAttributes ); + + virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const override; + + virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override; + virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const override; + + virtual sal_Int32 getActionCount() const override; + + private: + using Action::render; + virtual bool renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive, + const ::basegfx::B2DHomMatrix& rTransformation ) const override; + + const uno::Reference< rendering::XPolyPolygon2D > mxPolyPoly; + const ::basegfx::B2DRectangle maBounds; + const CanvasSharedPtr mpCanvas; + rendering::RenderState maState; + const rendering::StrokeAttributes maStrokeAttributes; + }; + + StrokedPolyPolyAction::StrokedPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPolyPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + rendering::StrokeAttributes aStrokeAttributes ) : + CachedPrimitiveBase( rCanvas, false ), + mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ), + maBounds( ::basegfx::utils::getRange(rPolyPoly) ), + mpCanvas( rCanvas ), + maStrokeAttributes(std::move( aStrokeAttributes )) + { + tools::initRenderState(maState,rState); + maState.DeviceColor = rState.lineColor; + } + + bool StrokedPolyPolyAction::renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive, + const ::basegfx::B2DHomMatrix& rTransformation ) const + { + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PolyPolyAction::renderPrimitive()" ); + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PolyPolyAction: 0x" << std::hex << this ); + + rendering::RenderState aLocalState( maState ); + ::canvas::tools::prependToRenderState(aLocalState, rTransformation); + + rCachedPrimitive = mpCanvas->getUNOCanvas()->strokePolyPolygon( mxPolyPoly, + mpCanvas->getViewState(), + aLocalState, + maStrokeAttributes ); + return true; + } + + bool StrokedPolyPolyAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + + // polygon only contains a single action, fail if subset + // requests different range + if( rSubset.mnSubsetBegin != 0 || + rSubset.mnSubsetEnd != 1 ) + return false; + + return CachedPrimitiveBase::render( rTransformation ); + } + + ::basegfx::B2DRange StrokedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const + { + rendering::RenderState aLocalState( maState ); + ::canvas::tools::prependToRenderState(aLocalState, rTransformation); + + return tools::calcDevicePixelBounds( + maBounds, + mpCanvas->getViewState(), + aLocalState ); + } + + ::basegfx::B2DRange StrokedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation, + const Subset& rSubset ) const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + + // polygon only contains a single action, empty bounds + // if subset requests different range + if( rSubset.mnSubsetBegin != 0 || + rSubset.mnSubsetEnd != 1 ) + return ::basegfx::B2DRange(); + + return getBounds( rTransformation ); + } + + sal_Int32 StrokedPolyPolyAction::getActionCount() const + { + // TODO(F1): Split up poly-polygon into polygons, or even + // line segments, when subsets are requested. + return 1; + } + } + + std::shared_ptr<Action> PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState ) + { + OSL_ENSURE( rState.isLineColorSet || rState.isFillColorSet, + "PolyPolyActionFactory::createPolyPolyAction() with empty line and fill color" ); + return std::make_shared<PolyPolyAction>( rPoly, rCanvas, rState, + rState.isFillColorSet, + rState.isLineColorSet ); + } + + std::shared_ptr<Action> PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + const rendering::Texture& rTexture ) + { + return std::make_shared<TexturedPolyPolyAction>( rPoly, rCanvas, rState, rTexture ); + } + + std::shared_ptr<Action> PolyPolyActionFactory::createLinePolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState ) + { + OSL_ENSURE( rState.isLineColorSet, + "PolyPolyActionFactory::createLinePolyPolyAction() called with empty line color" ); + + return std::make_shared<PolyPolyAction>( rPoly, rCanvas, rState, + false, + rState.isLineColorSet ); + } + + std::shared_ptr<Action> PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + const rendering::StrokeAttributes& rStrokeAttributes ) + { + OSL_ENSURE( rState.isLineColorSet, + "PolyPolyActionFactory::createPolyPolyAction() for strokes called with empty line color" ); + return std::make_shared<StrokedPolyPolyAction>( rPoly, rCanvas, rState, rStrokeAttributes ); + } + + std::shared_ptr<Action> PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState, + int nTransparency ) + { + OSL_ENSURE( rState.isLineColorSet || rState.isFillColorSet, + "PolyPolyActionFactory::createPolyPolyAction() with empty line and fill color" ); + return std::make_shared<PolyPolyAction>( rPoly, rCanvas, rState, + rState.isFillColorSet, + rState.isLineColorSet, + nTransparency ); + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |