office-gobmx/vcl/source/gdi/graph.cxx
Chris Sherlock f4b4b27af9 tdf#74702 vcl: extract DrawBorder()
Change-Id: Iba9cc10daa1b6b0ab7097145a3f40832d2165435
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/94721
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2020-06-19 21:20:34 +02:00

584 lines
16 KiB
C++

/* -*- 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
pOutDev->DrawBorder(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: */