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-rw-r--r--cppcanvas/source/mtfrenderer/polypolyaction.cxx499
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diff --git a/cppcanvas/source/mtfrenderer/polypolyaction.cxx b/cppcanvas/source/mtfrenderer/polypolyaction.cxx
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+/* -*- 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 <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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 17:18:04 +0000