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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/simplecanvas
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'canvas/source/simplecanvas')
-rw-r--r--canvas/source/simplecanvas/simplecanvas.component26
-rw-r--r--canvas/source/simplecanvas/simplecanvasimpl.cxx369
2 files changed, 395 insertions, 0 deletions
diff --git a/canvas/source/simplecanvas/simplecanvas.component b/canvas/source/simplecanvas/simplecanvas.component
new file mode 100644
index 000000000..9be11ad47
--- /dev/null
+++ b/canvas/source/simplecanvas/simplecanvas.component
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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 .
+ -->
+
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+ xmlns="http://openoffice.org/2010/uno-components">
+ <implementation name="com.sun.star.comp.rendering.SimpleCanvas"
+ constructor="com_sun_star_comp_rendering_SimpleCanvas">
+ <service name="com.sun.star.rendering.SimpleCanvas"/>
+ </implementation>
+</component>
diff --git a/canvas/source/simplecanvas/simplecanvasimpl.cxx b/canvas/source/simplecanvas/simplecanvasimpl.cxx
new file mode 100644
index 000000000..18d2c0e98
--- /dev/null
+++ b/canvas/source/simplecanvas/simplecanvasimpl.cxx
@@ -0,0 +1,369 @@
+/* -*- 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 <sal/config.h>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XServiceName.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/PanoseLetterForm.hpp>
+#include <com/sun/star/rendering/PanoseWeight.hpp>
+#include <com/sun/star/rendering/XSimpleCanvas.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <o3tl/lazy_update.hxx>
+
+#include <canvas/canvastools.hxx>
+
+
+#include <functional>
+
+using namespace ::com::sun::star;
+using namespace canvas;
+
+namespace
+{
+ uno::Sequence< double > color2Sequence( sal_Int32 nColor )
+ {
+ // TODO(F3): Color management
+ uno::Sequence< double > aRes{
+ static_cast<sal_uInt8>( (nColor&0xFF000000U) >> 24U ) / 255.0,
+ static_cast<sal_uInt8>( (nColor&0x00FF0000U) >> 16U ) / 255.0,
+ static_cast<sal_uInt8>( (nColor&0x0000FF00U) >> 8U ) / 255.0,
+ static_cast<sal_uInt8>( (nColor&0x000000FFU) ) / 255.0
+ };
+ return aRes;
+ }
+
+ uno::Reference< rendering::XPolyPolygon2D > rect2Poly( uno::Reference<rendering::XGraphicDevice> const& xDevice,
+ geometry::RealRectangle2D const& rRect )
+ {
+ uno::Sequence< geometry::RealPoint2D > rectSequence{
+ geometry::RealPoint2D( rRect.X1, rRect.Y1 ),
+ geometry::RealPoint2D( rRect.X2, rRect.Y1 ),
+ geometry::RealPoint2D( rRect.X2, rRect.Y2 ),
+ geometry::RealPoint2D( rRect.X1, rRect.Y2 )
+ };
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > sequenceSequence{ rectSequence };
+ uno::Reference< rendering::XPolyPolygon2D > xRes =
+ xDevice->createCompatibleLinePolyPolygon( sequenceSequence );
+ if( xRes.is() )
+ xRes->setClosed( 0, true );
+ return xRes;
+ }
+
+ struct SimpleRenderState
+ {
+ o3tl::LazyUpdate<sal_Int32,
+ uno::Sequence<double>,
+ decltype(&color2Sequence)> m_aPenColor;
+ o3tl::LazyUpdate<sal_Int32,
+ uno::Sequence<double>,
+ decltype(&color2Sequence)> m_aFillColor;
+ o3tl::LazyUpdate<geometry::RealRectangle2D,
+ uno::Reference< rendering::XPolyPolygon2D >,
+ std::function<uno::Reference<rendering::XPolyPolygon2D> (geometry::RealRectangle2D)> > m_aRectClip;
+ geometry::AffineMatrix2D m_aTransformation;
+
+ explicit SimpleRenderState( uno::Reference<rendering::XGraphicDevice> const& xDevice ) :
+ m_aPenColor( &color2Sequence),
+ m_aFillColor( &color2Sequence ),
+ m_aRectClip( [&xDevice](geometry::RealRectangle2D const& rRect) { return rect2Poly(xDevice, rRect); } )
+ {
+ tools::setIdentityAffineMatrix2D( m_aTransformation );
+ }
+ };
+
+
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XSimpleCanvas,
+ css::lang::XServiceName > SimpleCanvasBase;
+
+ class SimpleCanvasImpl : private cppu::BaseMutex,
+ public SimpleCanvasBase
+ {
+ private:
+ bool isStrokingEnabled() const
+ {
+ return maRenderState.m_aPenColor.getInValue() % 0x100 != 0;
+ }
+
+ rendering::RenderState createStrokingRenderState() const
+ {
+ return rendering::RenderState(maRenderState.m_aTransformation,
+ *maRenderState.m_aRectClip,
+ *maRenderState.m_aPenColor,
+ rendering::CompositeOperation::OVER);
+ }
+
+ bool isFillingEnabled() const
+ {
+ return maRenderState.m_aFillColor.getInValue() % 0x100 != 0;
+ }
+
+ rendering::RenderState createFillingRenderState() const
+ {
+ return rendering::RenderState(maRenderState.m_aTransformation,
+ *maRenderState.m_aRectClip,
+ *maRenderState.m_aFillColor,
+ rendering::CompositeOperation::OVER);
+ }
+
+ static uno::Reference<rendering::XCanvas> grabCanvas( uno::Sequence<uno::Any> const& rArgs )
+ {
+ uno::Reference<rendering::XCanvas> xRet;
+
+ // can't do much without an XCanvas, can't we?
+ if( !rArgs.hasElements() )
+ throw lang::IllegalArgumentException();
+
+ xRet.set( rArgs[0], uno::UNO_QUERY );
+
+ // can't do much without an XCanvas, can't we?
+ if( !xRet.is() )
+ throw lang::IllegalArgumentException();
+
+ return xRet;
+ }
+
+ public:
+ SimpleCanvasImpl( const uno::Sequence< uno::Any >& aArguments,
+ const uno::Reference< uno::XComponentContext >& ) :
+ SimpleCanvasBase( m_aMutex ),
+ mxCanvas( grabCanvas(aArguments) ),
+ maFont([this](rendering::FontRequest const& rFontRequest) {
+ return mxCanvas->createFont(rFontRequest,
+ uno::Sequence< beans::PropertyValue >(),
+ geometry::Matrix2D()); } ),
+ maRenderState( mxCanvas->getDevice() )
+ {
+ tools::initViewState(maViewState);
+ }
+
+
+ private:
+ // Ifc XServiceName
+ virtual OUString SAL_CALL getServiceName( ) override
+ {
+ return "com.sun.star.rendering.SimpleCanvas";
+ }
+
+ // Ifc XSimpleCanvas
+ virtual void SAL_CALL selectFont( const OUString& sFontName,
+ double size,
+ sal_Bool bold,
+ sal_Bool italic ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ maFont->FontDescription.FamilyName = sFontName;
+ maFont->CellSize = size;
+ maFont->FontDescription.FontDescription.Weight =
+ bold ? rendering::PanoseWeight::BOLD : rendering::PanoseWeight::MEDIUM;
+ maFont->FontDescription.FontDescription.Letterform =
+ italic ? rendering::PanoseLetterForm::OBLIQUE_CONTACT : rendering::PanoseLetterForm::ANYTHING;
+ }
+
+ virtual void SAL_CALL setPenColor( ::sal_Int32 nsRgbaColor ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ *(maRenderState.m_aPenColor) = nsRgbaColor;
+ }
+
+ virtual void SAL_CALL setFillColor( ::sal_Int32 nsRgbaColor ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ *(maRenderState.m_aFillColor) = nsRgbaColor;
+ }
+
+ virtual void SAL_CALL setRectClip( const geometry::RealRectangle2D& aRect ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ *(maRenderState.m_aRectClip) = aRect;
+ }
+
+ virtual void SAL_CALL setTransformation( const geometry::AffineMatrix2D& aTransform ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ maRenderState.m_aTransformation = aTransform;
+ }
+
+ virtual void SAL_CALL drawPixel( const geometry::RealPoint2D& aPoint ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ mxCanvas->drawPoint(aPoint,
+ maViewState,
+ createFillingRenderState());
+ }
+
+ virtual void SAL_CALL drawLine( const geometry::RealPoint2D& aStartPoint,
+ const geometry::RealPoint2D& aEndPoint ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ mxCanvas->drawLine(aStartPoint,
+ aEndPoint,
+ maViewState,
+ createStrokingRenderState());
+ }
+
+ virtual void SAL_CALL drawRect( const geometry::RealRectangle2D& aRect ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ uno::Reference< rendering::XPolyPolygon2D > xPoly(
+ rect2Poly( mxCanvas->getDevice(),
+ aRect));
+
+ if( isFillingEnabled() )
+ mxCanvas->drawPolyPolygon(xPoly,
+ maViewState,
+ createFillingRenderState());
+ if( isStrokingEnabled() )
+ mxCanvas->drawPolyPolygon(xPoly,
+ maViewState,
+ createStrokingRenderState());
+ }
+
+ virtual void SAL_CALL drawPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ if( isFillingEnabled() )
+ mxCanvas->drawPolyPolygon(xPolyPolygon,
+ maViewState,
+ createFillingRenderState());
+ if( isStrokingEnabled() )
+ mxCanvas->drawPolyPolygon(xPolyPolygon,
+ maViewState,
+ createStrokingRenderState());
+ }
+
+ virtual void SAL_CALL drawText( const rendering::StringContext& aText,
+ const geometry::RealPoint2D& aOutPos,
+ ::sal_Int8 nTextDirection ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ const basegfx::B2DHomMatrix offsetTransform(basegfx::utils::createTranslateB2DHomMatrix(aOutPos.X,aOutPos.Y));
+ rendering::RenderState aRenderState( createStrokingRenderState() );
+ tools::appendToRenderState(aRenderState, offsetTransform);
+
+ mxCanvas->drawText(aText,
+ maFont.getOutValue(),
+ maViewState,
+ aRenderState,
+ nTextDirection);
+ }
+
+ virtual void SAL_CALL drawBitmap( const uno::Reference< rendering::XBitmap >& xBitmap,
+ const geometry::RealPoint2D& aLeftTop ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ const basegfx::B2DHomMatrix offsetTransform(basegfx::utils::createTranslateB2DHomMatrix(aLeftTop.X,aLeftTop.Y));
+ rendering::RenderState aRenderState( createStrokingRenderState() );
+ tools::appendToRenderState(aRenderState, offsetTransform);
+
+ mxCanvas->drawBitmap(xBitmap,maViewState,aRenderState);
+ }
+
+ virtual uno::Reference< rendering::XGraphicDevice > SAL_CALL getDevice( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return mxCanvas->getDevice();
+ }
+
+ virtual uno::Reference< rendering::XCanvas > SAL_CALL getCanvas( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return mxCanvas;
+ }
+
+ virtual rendering::FontMetrics SAL_CALL getFontMetrics( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maFont.getOutValue()->getFontMetrics();
+ }
+
+ virtual uno::Reference< rendering::XCanvasFont > SAL_CALL getCurrentFont( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maFont.getOutValue();
+ }
+
+ virtual ::sal_Int32 SAL_CALL getCurrentPenColor( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maRenderState.m_aPenColor.getInValue();
+ }
+
+ virtual ::sal_Int32 SAL_CALL getCurrentFillColor( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maRenderState.m_aFillColor.getInValue();
+ }
+
+ virtual geometry::RealRectangle2D SAL_CALL getCurrentClipRect( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maRenderState.m_aRectClip.getInValue();
+ }
+
+ virtual geometry::AffineMatrix2D SAL_CALL getCurrentTransformation( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maRenderState.m_aTransformation;
+ }
+
+ virtual rendering::ViewState SAL_CALL getCurrentViewState( ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ return maViewState;
+ }
+
+ virtual rendering::RenderState SAL_CALL getCurrentRenderState( sal_Bool bUseFillColor ) override
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+ if( bUseFillColor )
+ return createFillingRenderState();
+ else
+ return createStrokingRenderState();
+ }
+
+
+ typedef o3tl::LazyUpdate<
+ rendering::FontRequest,
+ uno::Reference< rendering::XCanvasFont >,
+ std::function<uno::Reference<rendering::XCanvasFont> (rendering::FontRequest)> > SimpleFont;
+
+ uno::Reference<rendering::XCanvas> mxCanvas;
+ SimpleFont maFont;
+ rendering::ViewState maViewState;
+ SimpleRenderState maRenderState;
+ };
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_rendering_SimpleCanvas(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+ return cppu::acquire(new SimpleCanvasImpl(args, context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */