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Diffstat (limited to 'vcl/source/gdi/graph.cxx')
| -rw-r--r-- | vcl/source/gdi/graph.cxx | 601 |
1 files changed, 601 insertions, 0 deletions
diff --git a/vcl/source/gdi/graph.cxx b/vcl/source/gdi/graph.cxx new file mode 100644 index 000000000..4c635b454 --- /dev/null +++ b/vcl/source/gdi/graph.cxx @@ -0,0 +1,601 @@ +/* -*- 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 <tools/fract.hxx> +#include <vcl/outdev.hxx> +#include <vcl/svapp.hxx> +#include <vcl/graph.hxx> +#include <vcl/image.hxx> +#include <impgraph.hxx> +#include <com/sun/star/graphic/XGraphic.hpp> +#include <comphelper/servicehelper.hxx> +#include <cppuhelper/typeprovider.hxx> +#include <graphic/UnoGraphic.hxx> +#include <vcl/GraphicExternalLink.hxx> + +using namespace ::com::sun::star; + +namespace +{ + +void ImplDrawDefault( OutputDevice* pOutDev, const OUString* pText, + vcl::Font* pFont, const BitmapEx* pBitmapEx, + const Point& rDestPt, const Size& rDestSize ) +{ + sal_uInt16 nPixel = static_cast<sal_uInt16>(pOutDev->PixelToLogic( Size( 1, 1 ) ).Width()); + sal_uInt16 nPixelWidth = nPixel; + Point aPoint( rDestPt.X() + nPixelWidth, rDestPt.Y() + nPixelWidth ); + Size aSize( rDestSize.Width() - ( nPixelWidth << 1 ), rDestSize.Height() - ( nPixelWidth << 1 ) ); + bool bFilled = ( pBitmapEx != nullptr || pFont != nullptr ); + tools::Rectangle aBorderRect( aPoint, aSize ); + + pOutDev->Push(); + + pOutDev->SetFillColor(); + + // On the printer a black rectangle and on the screen one with 3D effect + if ( pOutDev->GetOutDevType() == OUTDEV_PRINTER ) + pOutDev->SetLineColor( COL_BLACK ); + else + { + aBorderRect.AdjustLeft(nPixel ); + aBorderRect.AdjustTop(nPixel ); + + pOutDev->SetLineColor( COL_LIGHTGRAY ); + pOutDev->DrawRect( aBorderRect ); + + aBorderRect.AdjustLeft( -nPixel ); + aBorderRect.AdjustTop( -nPixel ); + aBorderRect.AdjustRight( -nPixel ); + aBorderRect.AdjustBottom( -nPixel ); + pOutDev->SetLineColor( COL_GRAY ); + } + + pOutDev->DrawRect( aBorderRect ); + + aPoint.AdjustX(nPixelWidth + 2*nPixel ); + aPoint.AdjustY(nPixelWidth + 2*nPixel ); + aSize.AdjustWidth( -(2*nPixelWidth + 4*nPixel) ); + aSize.AdjustHeight( -(2*nPixelWidth + 4*nPixel) ); + + if( !aSize.IsEmpty() && pBitmapEx && !!*pBitmapEx ) + { + Size aBitmapSize( pOutDev->PixelToLogic( pBitmapEx->GetSizePixel() ) ); + + if( aSize.Height() > aBitmapSize.Height() && aSize.Width() > aBitmapSize.Width() ) + { + pOutDev->DrawBitmapEx( aPoint, *pBitmapEx ); + aPoint.AdjustX(aBitmapSize.Width() + 2*nPixel ); + aSize.AdjustWidth( -(aBitmapSize.Width() + 2*nPixel) ); + } + } + + if ( !aSize.IsEmpty() && pFont && pText && pText->getLength() && pOutDev->IsOutputEnabled() ) + { + MapMode aMapMode( MapUnit::MapPoint ); + Size aSz = pOutDev->LogicToLogic( Size( 0, 12 ), &aMapMode, nullptr ); + long nThreshold = aSz.Height() / 2; + long nStep = nThreshold / 3; + + if ( !nStep ) + nStep = aSz.Height() - nThreshold; + + for(;; aSz.AdjustHeight( -nStep ) ) + { + pFont->SetFontSize( aSz ); + pOutDev->SetFont( *pFont ); + + long nTextHeight = pOutDev->GetTextHeight(); + long nTextWidth = pOutDev->GetTextWidth( *pText ); + if ( nTextHeight ) + { + // The approximation does not respect imprecisions caused + // by word wraps + long nLines = aSize.Height() / nTextHeight; + long nWidth = aSize.Width() * nLines; // Approximation!!! + + if ( nTextWidth <= nWidth || aSz.Height() <= nThreshold ) + { + sal_Int32 nStart = 0; + sal_Int32 nLen = 0; + + while( nStart < pText->getLength() && (*pText)[nStart] == ' ' ) + nStart++; + while( nStart+nLen < pText->getLength() && (*pText)[nStart+nLen] != ' ' ) + nLen++; + while( nStart < pText->getLength() && nLines-- ) + { + sal_Int32 nNext = nLen; + do + { + while ( nStart+nNext < pText->getLength() && (*pText)[nStart+nNext] == ' ' ) + nNext++; + while ( nStart+nNext < pText->getLength() && (*pText)[nStart+nNext] != ' ' ) + nNext++; + nTextWidth = pOutDev->GetTextWidth( *pText, nStart, nNext ); + if ( nTextWidth > aSize.Width() ) + break; + nLen = nNext; + } + while ( nStart+nNext < pText->getLength() ); + + sal_Int32 n = nLen; + nTextWidth = pOutDev->GetTextWidth( *pText, nStart, n ); + while( nTextWidth > aSize.Width() ) + nTextWidth = pOutDev->GetTextWidth( *pText, nStart, --n ); + pOutDev->DrawText( aPoint, *pText, nStart, n ); + + aPoint.AdjustY(nTextHeight ); + nStart = sal::static_int_cast<sal_uInt16>(nStart + nLen); + nLen = nNext-nLen; + while( nStart < pText->getLength() && (*pText)[nStart] == ' ' ) + { + nStart++; + nLen--; + } + } + break; + } + } + else + break; + } + } + + // If the default graphic does not have content, we draw a red rectangle + if( !bFilled ) + { + aBorderRect.AdjustLeft( 1 ); + aBorderRect.AdjustTop( 1 ); + aBorderRect.AdjustRight( -1 ); + aBorderRect.AdjustBottom( -1 ); + + pOutDev->SetLineColor( COL_LIGHTRED ); + pOutDev->DrawLine( aBorderRect.TopLeft(), aBorderRect.BottomRight() ); + pOutDev->DrawLine( aBorderRect.TopRight(), aBorderRect.BottomLeft() ); + } + + pOutDev->Pop(); +} + +} // end anonymous namespace + +Graphic::Graphic() + : mxImpGraphic(vcl::graphic::Manager::get().newInstance()) +{ +} + +Graphic::Graphic(const Graphic& rGraphic) +{ + if( rGraphic.IsAnimated() ) + mxImpGraphic = vcl::graphic::Manager::get().copy(rGraphic.mxImpGraphic); + else + mxImpGraphic = rGraphic.mxImpGraphic; +} + +Graphic::Graphic(Graphic&& rGraphic) noexcept + : mxImpGraphic(std::move(rGraphic.mxImpGraphic)) +{ +} + +Graphic::Graphic(GraphicExternalLink const & rGraphicExternalLink) + : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rGraphicExternalLink)) +{ +} + +Graphic::Graphic(const Bitmap& rBmp) + : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rBmp)) +{ +} + +Graphic::Graphic(const BitmapEx& rBmpEx) + : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rBmpEx)) +{ +} + +// We use XGraphic for passing toolbar images across app UNO aps +// and we need to be able to see and preserve 'stock' images too. +Graphic::Graphic(const Image& rImage) + // FIXME: should really defer the BitmapEx load. + : mxImpGraphic(std::make_shared<ImpGraphic>(rImage.GetBitmapEx())) +{ + OUString aStock = rImage.GetStock(); + if (aStock.getLength()) + mxImpGraphic->setOriginURL("private:graphicrepository/" + aStock); +} + +Graphic::Graphic(const std::shared_ptr<VectorGraphicData>& rVectorGraphicDataPtr) + : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rVectorGraphicDataPtr)) +{ +} + +Graphic::Graphic(const Animation& rAnimation) + : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rAnimation)) +{ +} + +Graphic::Graphic(const GDIMetaFile& rMtf) + : mxImpGraphic(vcl::graphic::Manager::get().newInstance(rMtf)) +{ +} + +Graphic::Graphic( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic ) +{ + const ::Graphic* pGraphic = comphelper::getUnoTunnelImplementation<::Graphic>(rxGraphic); + + if( pGraphic ) + { + if (pGraphic->IsAnimated()) + mxImpGraphic = vcl::graphic::Manager::get().copy(pGraphic->mxImpGraphic); + else + mxImpGraphic = pGraphic->mxImpGraphic; + } + else + mxImpGraphic = vcl::graphic::Manager::get().newInstance(); +} + +void Graphic::ImplTestRefCount() +{ + if (mxImpGraphic.use_count() > 1) + { + mxImpGraphic = vcl::graphic::Manager::get().copy(mxImpGraphic); + } +} + +bool Graphic::isAvailable() const +{ + return mxImpGraphic->isAvailable(); +} + +bool Graphic::makeAvailable() +{ + return mxImpGraphic->makeAvailable(); +} + +Graphic& Graphic::operator=( const Graphic& rGraphic ) +{ + if( &rGraphic != this ) + { + if( rGraphic.IsAnimated() ) + mxImpGraphic = vcl::graphic::Manager::get().copy(rGraphic.mxImpGraphic); + else + mxImpGraphic = rGraphic.mxImpGraphic; + } + + return *this; +} + +Graphic& Graphic::operator=(Graphic&& rGraphic) noexcept +{ + mxImpGraphic = std::move(rGraphic.mxImpGraphic); + return *this; +} + +bool Graphic::operator==( const Graphic& rGraphic ) const +{ + return (*mxImpGraphic == *rGraphic.mxImpGraphic); +} + +bool Graphic::operator!=( const Graphic& rGraphic ) const +{ + return (*mxImpGraphic != *rGraphic.mxImpGraphic); +} + +bool Graphic::IsNone() const +{ + return GraphicType::NONE == mxImpGraphic->ImplGetType(); +} + +void Graphic::Clear() +{ + ImplTestRefCount(); + mxImpGraphic->ImplClear(); +} + +GraphicType Graphic::GetType() const +{ + return mxImpGraphic->ImplGetType(); +} + +void Graphic::SetDefaultType() +{ + ImplTestRefCount(); + mxImpGraphic->ImplSetDefaultType(); +} + +bool Graphic::IsSupportedGraphic() const +{ + return mxImpGraphic->ImplIsSupportedGraphic(); +} + +bool Graphic::IsTransparent() const +{ + return mxImpGraphic->ImplIsTransparent(); +} + +bool Graphic::IsAlpha() const +{ + return mxImpGraphic->ImplIsAlpha(); +} + +bool Graphic::IsAnimated() const +{ + return mxImpGraphic->ImplIsAnimated(); +} + +bool Graphic::IsEPS() const +{ + return mxImpGraphic->ImplIsEPS(); +} + +BitmapEx Graphic::GetBitmapEx(const GraphicConversionParameters& rParameters) const +{ + return mxImpGraphic->ImplGetBitmapEx(rParameters); +} + +Animation Graphic::GetAnimation() const +{ + return mxImpGraphic->ImplGetAnimation(); +} + +const GDIMetaFile& Graphic::GetGDIMetaFile() const +{ + return mxImpGraphic->ImplGetGDIMetaFile(); +} + +const BitmapEx& Graphic::GetBitmapExRef() const +{ + return mxImpGraphic->ImplGetBitmapExRef(); +} + +uno::Reference<graphic::XGraphic> Graphic::GetXGraphic() const +{ + uno::Reference<graphic::XGraphic> xGraphic; + + if (GetType() != GraphicType::NONE) + { + unographic::Graphic* pUnoGraphic = new unographic::Graphic; + pUnoGraphic->init(*this); + xGraphic = pUnoGraphic; + } + + return xGraphic; +} + +Size Graphic::GetPrefSize() const +{ + return mxImpGraphic->ImplGetPrefSize(); +} + +void Graphic::SetPrefSize( const Size& rPrefSize ) +{ + ImplTestRefCount(); + mxImpGraphic->ImplSetPrefSize( rPrefSize ); +} + +MapMode Graphic::GetPrefMapMode() const +{ + return mxImpGraphic->ImplGetPrefMapMode(); +} + +void Graphic::SetPrefMapMode( const MapMode& rPrefMapMode ) +{ + ImplTestRefCount(); + mxImpGraphic->ImplSetPrefMapMode( rPrefMapMode ); +} + +basegfx::B2DSize Graphic::GetPPI() const +{ + double nGrfDPIx; + double nGrfDPIy; + + const MapMode aGrfMap(GetPrefMapMode()); + const Size aGrfPixelSize(GetSizePixel()); + const Size aGrfPrefMapModeSize(GetPrefSize()); + if (aGrfMap.GetMapUnit() == MapUnit::MapInch) + { + nGrfDPIx = aGrfPixelSize.Width() / ( static_cast<double>(aGrfMap.GetScaleX()) * aGrfPrefMapModeSize.Width() ); + nGrfDPIy = aGrfPixelSize.Height() / ( static_cast<double>(aGrfMap.GetScaleY()) * aGrfPrefMapModeSize.Height() ); + } + else + { + const Size aGrf1000thInchSize = OutputDevice::LogicToLogic( + aGrfPrefMapModeSize, aGrfMap, MapMode(MapUnit::Map1000thInch)); + nGrfDPIx = 1000.0 * aGrfPixelSize.Width() / aGrf1000thInchSize.Width(); + nGrfDPIy = 1000.0 * aGrfPixelSize.Height() / aGrf1000thInchSize.Height(); + } + + return basegfx::B2DSize(nGrfDPIx, nGrfDPIy); +} + +Size Graphic::GetSizePixel( const OutputDevice* pRefDevice ) const +{ + Size aRet; + + if( GraphicType::Bitmap == mxImpGraphic->ImplGetType() ) + aRet = mxImpGraphic->ImplGetSizePixel(); + else + aRet = ( pRefDevice ? pRefDevice : Application::GetDefaultDevice() )->LogicToPixel( GetPrefSize(), GetPrefMapMode() ); + + return aRet; +} + +sal_uLong Graphic::GetSizeBytes() const +{ + return mxImpGraphic->ImplGetSizeBytes(); +} + +void Graphic::Draw( OutputDevice* pOutDev, const Point& rDestPt ) const +{ + mxImpGraphic->ImplDraw( pOutDev, rDestPt ); +} + +void Graphic::Draw( OutputDevice* pOutDev, + const Point& rDestPt, const Size& rDestSz ) const +{ + if( GraphicType::Default == mxImpGraphic->ImplGetType() ) + ImplDrawDefault( pOutDev, nullptr, nullptr, nullptr, rDestPt, rDestSz ); + else + mxImpGraphic->ImplDraw( pOutDev, rDestPt, rDestSz ); +} + +void Graphic::DrawEx( OutputDevice* pOutDev, const OUString& rText, + vcl::Font& rFont, const BitmapEx& rBitmap, + const Point& rDestPt, const Size& rDestSz ) +{ + ImplDrawDefault( pOutDev, &rText, &rFont, &rBitmap, rDestPt, rDestSz ); +} + +void Graphic::StartAnimation( OutputDevice* pOutDev, const Point& rDestPt, + const Size& rDestSz, long nExtraData, + OutputDevice* pFirstFrameOutDev ) +{ + ImplTestRefCount(); + mxImpGraphic->ImplStartAnimation( pOutDev, rDestPt, rDestSz, nExtraData, pFirstFrameOutDev ); +} + +void Graphic::StopAnimation( OutputDevice* pOutDev, long nExtraData ) +{ + ImplTestRefCount(); + mxImpGraphic->ImplStopAnimation( pOutDev, nExtraData ); +} + +void Graphic::SetAnimationNotifyHdl( const Link<Animation*,void>& rLink ) +{ + mxImpGraphic->ImplSetAnimationNotifyHdl( rLink ); +} + +Link<Animation*,void> Graphic::GetAnimationNotifyHdl() const +{ + return mxImpGraphic->ImplGetAnimationNotifyHdl(); +} + +sal_uInt32 Graphic::GetAnimationLoopCount() const +{ + return mxImpGraphic->ImplGetAnimationLoopCount(); +} + +std::shared_ptr<GraphicReader>& Graphic::GetReaderContext() +{ + return mxImpGraphic->ImplGetContext(); +} + +void Graphic::SetReaderContext( const std::shared_ptr<GraphicReader> &pReader ) +{ + mxImpGraphic->ImplSetContext( pReader ); +} + +void Graphic::SetDummyContext( bool value ) +{ + mxImpGraphic->ImplSetDummyContext( value ); +} + +bool Graphic::IsDummyContext() const +{ + return mxImpGraphic->ImplIsDummyContext(); +} + +void Graphic::SetGfxLink( const std::shared_ptr<GfxLink>& rGfxLink ) +{ + ImplTestRefCount(); + mxImpGraphic->ImplSetLink( rGfxLink ); +} + +std::shared_ptr<GfxLink> Graphic::GetSharedGfxLink() const +{ + return mxImpGraphic->ImplGetSharedGfxLink(); +} + +GfxLink Graphic::GetGfxLink() const +{ + return mxImpGraphic->ImplGetLink(); +} + +bool Graphic::IsGfxLink() const +{ + return mxImpGraphic->ImplIsLink(); +} + +BitmapChecksum Graphic::GetChecksum() const +{ + return mxImpGraphic->ImplGetChecksum(); +} + +bool Graphic::ExportNative( SvStream& rOStream ) const +{ + return mxImpGraphic->ImplExportNative( rOStream ); +} + +void ReadGraphic(SvStream& rIStream, Graphic& rGraphic) +{ + rGraphic.ImplTestRefCount(); + ReadImpGraphic(rIStream, *rGraphic.mxImpGraphic); +} + +void WriteGraphic( SvStream& rOStream, const Graphic& rGraphic ) +{ + WriteImpGraphic(rOStream, *rGraphic.mxImpGraphic); +} + +const std::shared_ptr<VectorGraphicData>& Graphic::getVectorGraphicData() const +{ + return mxImpGraphic->getVectorGraphicData(); +} + +sal_Int32 Graphic::getPageNumber() const +{ + return mxImpGraphic->getPageNumber(); +} + +OUString Graphic::getOriginURL() const +{ + if (mxImpGraphic) + { + return mxImpGraphic->getOriginURL(); + } + return OUString(); +} + +void Graphic::setOriginURL(OUString const & rOriginURL) +{ + if (mxImpGraphic) + { + mxImpGraphic->setOriginURL(rOriginURL); + } +} + +OString Graphic::getUniqueID() const +{ + OString aUniqueString; + if (mxImpGraphic) + aUniqueString = mxImpGraphic->getUniqueID(); + return aUniqueString; +} + +namespace { + +struct Id: public rtl::Static<cppu::OImplementationId, Id> {}; + +} + +css::uno::Sequence<sal_Int8> Graphic::getUnoTunnelId() { + return Id::get().getImplementationId(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |