374a76adc5
This removes the mpContext member variable from ImpGraph, which
also make {Get,Set}ReaderContext on Graphic obsolete and is also
removed. GraphicFilter and other code is adjusted and simplified.
Change-Id: Icd1927d7b1bd4624b523d0f49a4343911ec6cd0a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/165214
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
386 lines
12 KiB
C++
386 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "imgprod.hxx"
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#include <osl/diagnose.h>
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#include <tools/debug.hxx>
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#include <utility>
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#include <vcl/BitmapReadAccess.hxx>
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#include <vcl/cvtgrf.hxx>
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#include <vcl/svapp.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <cppuhelper/queryinterface.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <com/sun/star/awt/ImageStatus.hpp>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <svtools/imageresourceaccess.hxx>
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#include <comphelper/processfactory.hxx>
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ImageProducer::ImageProducer()
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: mpStm(nullptr)
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, mnTransIndex(0)
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, mbConsInit(false)
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{
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moGraphic.emplace();
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}
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ImageProducer::~ImageProducer()
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{
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}
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// XInterface
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css::uno::Any ImageProducer::queryInterface( const css::uno::Type & rType )
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{
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css::uno::Any aRet = ::cppu::queryInterface( rType,
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static_cast< css::lang::XInitialization* >(this),
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static_cast< css::lang::XServiceInfo* >(this),
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static_cast< css::awt::XImageProducer* >(this) );
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return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
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}
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void ImageProducer::addConsumer( const css::uno::Reference< css::awt::XImageConsumer >& rxConsumer )
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{
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DBG_ASSERT( rxConsumer.is(), "::AddConsumer(...): No consumer referenced!" );
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if( rxConsumer.is() )
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maConsList.push_back( rxConsumer );
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}
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void ImageProducer::removeConsumer( const css::uno::Reference< css::awt::XImageConsumer >& rxConsumer )
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{
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ConsumerList_t::reverse_iterator riter = std::find(maConsList.rbegin(),maConsList.rend(),rxConsumer);
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if (riter != maConsList.rend())
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maConsList.erase(riter.base()-1);
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}
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void ImageProducer::SetImage( const OUString& rPath )
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{
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maURL = rPath;
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moGraphic->Clear();
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mbConsInit = false;
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mxOwnedStream.reset();
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mpStm = nullptr;
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if ( ::svt::GraphicAccess::isSupportedURL( maURL ) )
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{
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mxOwnedStream = ::svt::GraphicAccess::getImageStream( ::comphelper::getProcessComponentContext(), maURL );
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mpStm = mxOwnedStream.get();
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}
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else if( !maURL.isEmpty() )
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{
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mxOwnedStream = ::utl::UcbStreamHelper::CreateStream( maURL, StreamMode::STD_READ );
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mpStm = mxOwnedStream.get();
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}
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}
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void ImageProducer::SetImage( SvStream& rStm )
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{
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maURL.clear();
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moGraphic->Clear();
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mbConsInit = false;
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mxOwnedStream.reset();
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mpStm = &rStm;
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}
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void ImageProducer::setImage( css::uno::Reference< css::io::XInputStream > const & rInputStmRef )
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{
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maURL.clear();
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moGraphic->Clear();
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mbConsInit = false;
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mxOwnedStream.reset();
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mpStm = nullptr;
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if( rInputStmRef.is() )
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{
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mxOwnedStream = utl::UcbStreamHelper::CreateStream( rInputStmRef );
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mpStm = mxOwnedStream.get();
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}
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}
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void ImageProducer::NewDataAvailable()
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{
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if (GraphicType::NONE == moGraphic->GetType())
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startProduction();
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}
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void ImageProducer::startProduction()
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{
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if( maConsList.empty() && !maDoneHdl.IsSet() )
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return;
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bool bNotifyEmptyGraphics = false;
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// valid stream or filled graphic? => update consumers
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if (mpStm || moGraphic->GetType() != GraphicType::NONE)
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{
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// if we already have a graphic, we don't have to import again;
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// graphic is cleared if a new Stream is set
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if (moGraphic->GetType() == GraphicType::NONE)
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{
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if ( ImplImportGraphic( *moGraphic ) )
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maDoneHdl.Call( &*moGraphic );
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}
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if( moGraphic->GetType() != GraphicType::NONE )
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ImplUpdateData( *moGraphic );
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else
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bNotifyEmptyGraphics = true;
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}
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else
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bNotifyEmptyGraphics = true;
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if ( !bNotifyEmptyGraphics )
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return;
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// reset image
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// create temporary list to hold interfaces
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ConsumerList_t aTmp = maConsList;
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// iterate through interfaces
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for (auto const& elem : aTmp)
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{
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elem->init( 0, 0 );
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elem->complete( css::awt::ImageStatus::IMAGESTATUS_STATICIMAGEDONE, this );
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}
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maDoneHdl.Call( nullptr );
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}
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bool ImageProducer::ImplImportGraphic( Graphic& rGraphic )
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{
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if (!mpStm)
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return false;
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if( ERRCODE_IO_PENDING == mpStm->GetError() )
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mpStm->ResetError();
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mpStm->Seek( 0 );
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bool bRet = GraphicConverter::Import( *mpStm, rGraphic ) == ERRCODE_NONE;
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if( ERRCODE_IO_PENDING == mpStm->GetError() )
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mpStm->ResetError();
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return bRet;
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}
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void ImageProducer::ImplUpdateData( const Graphic& rGraphic )
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{
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ImplInitConsumer( rGraphic );
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if( mbConsInit && !maConsList.empty() )
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{
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// create temporary list to hold interfaces
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ConsumerList_t aTmp = maConsList;
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ImplUpdateConsumer( rGraphic );
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mbConsInit = false;
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// iterate through interfaces
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for (auto const& elem : aTmp)
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elem->complete( css::awt::ImageStatus::IMAGESTATUS_STATICIMAGEDONE, this );
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}
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}
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void ImageProducer::ImplInitConsumer( const Graphic& rGraphic )
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{
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sal_uInt32 nRMask = 0;
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sal_uInt32 nGMask = 0;
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sal_uInt32 nBMask = 0;
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sal_uInt32 nAMask = 0;
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sal_uInt32 nWidth = 0;
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sal_uInt32 nHeight = 0;
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sal_uInt8 nBitCount = 0;
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css::uno::Sequence< sal_Int32 > aRGBPal;
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rGraphic.GetBitmapEx().GetColorModel(aRGBPal, nRMask, nGMask, nBMask, nAMask, mnTransIndex, nWidth, nHeight, nBitCount);
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// create temporary list to hold interfaces
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ConsumerList_t aTmp = maConsList;
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// iterate through interfaces
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for (auto const& elem : aTmp)
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{
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elem->init( nWidth, nHeight );
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elem->setColorModel( nBitCount,aRGBPal, nRMask, nGMask, nBMask, nAMask );
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}
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mbConsInit = true;
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}
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void ImageProducer::ImplUpdateConsumer( const Graphic& rGraphic )
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{
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BitmapEx aBmpEx( rGraphic.GetBitmapEx() );
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Bitmap aBmp( aBmpEx.GetBitmap() );
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BitmapScopedReadAccess pBmpAcc(aBmp);
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if( !pBmpAcc )
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return;
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AlphaMask aMask( aBmpEx.GetAlphaMask() );
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BitmapScopedReadAccess pMskAcc;
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if (!aMask.IsEmpty())
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pMskAcc = aMask;
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const tools::Long nWidth = pBmpAcc->Width();
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const tools::Long nHeight = pBmpAcc->Height();
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const tools::Long nStartX = 0;
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const tools::Long nEndX = nWidth - 1;
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const tools::Long nStartY = 0;
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const tools::Long nEndY = nHeight - 1;
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const tools::Long nPartWidth = nEndX - nStartX + 1;
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const tools::Long nPartHeight = nEndY - nStartY + 1;
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if( !pMskAcc )
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{
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aMask = AlphaMask(aBmp.GetSizePixel());
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aMask.Erase( 0 );
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pMskAcc = aMask;
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}
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// create temporary list to hold interfaces
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ConsumerList_t aTmp = maConsList;
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if( pBmpAcc->HasPalette() )
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{
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const BitmapColor aWhite( pMskAcc->GetBestMatchingColor( COL_ALPHA_TRANSPARENT ) );
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if( mnTransIndex < 256 )
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{
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css::uno::Sequence<sal_Int8> aData( nPartWidth * nPartHeight );
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sal_Int8* pTmp = aData.getArray();
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for( tools::Long nY = nStartY; nY <= nEndY; nY++ )
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{
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Scanline pScanlineMask = pMskAcc->GetScanline( nY );
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Scanline pScanline = pBmpAcc->GetScanline( nY );
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for( tools::Long nX = nStartX; nX <= nEndX; nX++ )
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{
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if( pMskAcc->GetPixelFromData( pScanlineMask, nX ) == aWhite )
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*pTmp++ = sal::static_int_cast< sal_Int8 >(
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mnTransIndex );
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else
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*pTmp++ = pBmpAcc->GetPixelFromData( pScanline, nX ).GetIndex();
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}
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}
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// iterate through interfaces
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for (auto const& elem : aTmp)
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elem->setPixelsByBytes( nStartX, nStartY, nPartWidth, nPartHeight, aData, 0UL, nPartWidth );
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}
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else
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{
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css::uno::Sequence<sal_Int32> aData( nPartWidth * nPartHeight );
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sal_Int32* pTmp = aData.getArray();
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for( tools::Long nY = nStartY; nY <= nEndY; nY++ )
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{
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Scanline pScanlineMask = pMskAcc->GetScanline( nY );
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Scanline pScanline = pBmpAcc->GetScanline( nY );
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for( tools::Long nX = nStartX; nX <= nEndX; nX++ )
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{
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if( pMskAcc->GetPixelFromData( pScanlineMask, nX ) == aWhite )
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*pTmp++ = mnTransIndex;
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else
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*pTmp++ = pBmpAcc->GetPixelFromData( pScanline, nX ).GetIndex();
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}
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}
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// iterate through interfaces
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for (auto const& elem : aTmp)
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elem->setPixelsByLongs( nStartX, nStartY, nPartWidth, nPartHeight, aData, 0UL, nPartWidth );
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}
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}
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else
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{
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css::uno::Sequence<sal_Int32> aData( nPartWidth * nPartHeight );
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const BitmapColor aWhite( pMskAcc->GetBestMatchingColor( COL_WHITE ) );
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sal_Int32* pTmp = aData.getArray();
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for( tools::Long nY = nStartY; nY <= nEndY; nY++ )
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{
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Scanline pScanlineMask = pMskAcc->GetScanline( nY );
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Scanline pScanline = pBmpAcc->GetScanline( nY );
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for( tools::Long nX = nStartX; nX <= nEndX; nX++, pTmp++ )
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{
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const BitmapColor aCol( pBmpAcc->GetPixelFromData( pScanline, nX ) );
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*pTmp = static_cast<sal_Int32>(aCol.GetRed()) << 24;
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*pTmp |= static_cast<sal_Int32>(aCol.GetGreen()) << 16;
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*pTmp |= static_cast<sal_Int32>(aCol.GetBlue()) << 8;
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if( pMskAcc->GetPixelFromData( pScanlineMask, nX ) != aWhite )
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*pTmp |= 0x000000ffUL;
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}
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}
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// iterate through interfaces
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for (auto const& elem : aTmp)
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elem->setPixelsByLongs( nStartX, nStartY, nPartWidth, nPartHeight, aData, 0UL, nPartWidth );
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}
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}
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void ImageProducer::initialize( const css::uno::Sequence< css::uno::Any >& aArguments )
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{
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if ( aArguments.getLength() == 1 )
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{
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css::uno::Any aArg = aArguments.getConstArray()[0];
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OUString aURL;
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if ( aArg >>= aURL )
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{
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SetImage( aURL );
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}
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}
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}
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OUString ImageProducer::getImplementationName() {
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return u"com.sun.star.form.ImageProducer"_ustr;
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}
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sal_Bool ImageProducer::supportsService(OUString const & ServiceName) {
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return cppu::supportsService(this, ServiceName);
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}
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css::uno::Sequence<OUString> ImageProducer::getSupportedServiceNames() {
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return {u"com.sun.star.awt.ImageProducer"_ustr};
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}
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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com_sun_star_form_ImageProducer_get_implementation(css::uno::XComponentContext*,
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css::uno::Sequence<css::uno::Any> const &)
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{
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return cppu::acquire(new ImageProducer());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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