0a5eb01347
Found with bin/find-unneeded-includes Only removal proposals are dealt with here. Change-Id: I9991a1f4d8dde51b38cf8d114e4fb69ff4a349ea Reviewed-on: https://gerrit.libreoffice.org/75248 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
1374 lines
60 KiB
C++
1374 lines
60 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 <utility>
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#include <list>
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#include <vector>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <sal/log.hxx>
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#include <officecfg/Office/Common.hxx>
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#include <vcl/virdev.hxx>
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#include <vcl/metaact.hxx>
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#include <vcl/gdimtf.hxx>
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#include <vcl/print.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/bitmapaccess.hxx>
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#include "pdfwriter_impl.hxx"
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#define MAX_TILE_WIDTH 1024
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#define MAX_TILE_HEIGHT 1024
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typedef ::std::pair< MetaAction*, int > Component; // MetaAction plus index in metafile
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// List of (intersecting) actions, plus overall bounds
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struct ConnectedComponents
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{
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ConnectedComponents() :
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aComponentList(),
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aBounds(),
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aBgColor(COL_WHITE),
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bIsSpecial(false),
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bIsFullyTransparent(false)
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{}
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::std::list< Component > aComponentList;
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tools::Rectangle aBounds;
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Color aBgColor;
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bool bIsSpecial;
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bool bIsFullyTransparent;
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};
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typedef ::std::vector< ConnectedComponents > ConnectedComponentsList;
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namespace {
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/** \#i10613# Extracted from Printer::GetPreparedMetaFile. Returns true
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if given action requires special transparency handling
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*/
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bool IsTransparentAction( const MetaAction& rAct )
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{
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switch( rAct.GetType() )
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{
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case MetaActionType::Transparent:
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return true;
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case MetaActionType::FLOATTRANSPARENT:
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return true;
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case MetaActionType::BMPEX:
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return static_cast<const MetaBmpExAction&>(rAct).GetBitmapEx().IsTransparent();
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case MetaActionType::BMPEXSCALE:
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return static_cast<const MetaBmpExScaleAction&>(rAct).GetBitmapEx().IsTransparent();
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case MetaActionType::BMPEXSCALEPART:
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return static_cast<const MetaBmpExScalePartAction&>(rAct).GetBitmapEx().IsTransparent();
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default:
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return false;
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}
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}
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/** Determines whether the action can handle transparency correctly
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(i.e. when painted on white background, does the action still look
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correct)?
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*/
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bool DoesActionHandleTransparency( const MetaAction& rAct )
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{
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// MetaActionType::FLOATTRANSPARENT can contain a whole metafile,
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// which is to be rendered with the given transparent gradient. We
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// currently cannot emulate transparent painting on a white
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// background reliably.
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// the remainder can handle printing itself correctly on a uniform
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// white background.
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switch( rAct.GetType() )
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{
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case MetaActionType::Transparent:
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case MetaActionType::BMPEX:
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case MetaActionType::BMPEXSCALE:
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case MetaActionType::BMPEXSCALEPART:
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return true;
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default:
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return false;
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}
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}
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/** Check whether rCurrRect rectangle fully covers io_rPrevRect - if
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yes, return true and update o_rBgColor
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*/
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bool checkRect( tools::Rectangle& io_rPrevRect,
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Color& o_rBgColor,
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const tools::Rectangle& rCurrRect,
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OutputDevice const & rMapModeVDev )
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{
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// shape needs to fully cover previous content, and have uniform
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// color
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const bool bRet(
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rMapModeVDev.LogicToPixel(rCurrRect).IsInside(io_rPrevRect) &&
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rMapModeVDev.IsFillColor() );
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if( bRet )
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{
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io_rPrevRect = rCurrRect;
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o_rBgColor = rMapModeVDev.GetFillColor();
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}
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return bRet;
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}
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/** #107169# Convert BitmapEx to Bitmap with appropriately blended
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color. Convert MetaTransparentAction to plain polygon,
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appropriately colored
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@param o_rMtf
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Add converted actions to this metafile
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*/
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void ImplConvertTransparentAction( GDIMetaFile& o_rMtf,
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const MetaAction& rAct,
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const OutputDevice& rStateOutDev,
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Color aBgColor )
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{
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if (rAct.GetType() == MetaActionType::Transparent)
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{
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const MetaTransparentAction* pTransAct = static_cast<const MetaTransparentAction*>(&rAct);
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sal_uInt16 nTransparency( pTransAct->GetTransparence() );
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// #i10613# Respect transparency for draw color
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if (nTransparency)
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{
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o_rMtf.AddAction(new MetaPushAction(PushFlags::LINECOLOR|PushFlags::FILLCOLOR));
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// assume white background for alpha blending
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Color aLineColor(rStateOutDev.GetLineColor());
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aLineColor.SetRed(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency) * aLineColor.GetRed()) / 100));
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aLineColor.SetGreen(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency) * aLineColor.GetGreen()) / 100));
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aLineColor.SetBlue(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency) * aLineColor.GetBlue()) / 100));
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o_rMtf.AddAction(new MetaLineColorAction(aLineColor, true));
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Color aFillColor(rStateOutDev.GetFillColor());
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aFillColor.SetRed(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency)*aFillColor.GetRed()) / 100));
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aFillColor.SetGreen(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency)*aFillColor.GetGreen()) / 100));
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aFillColor.SetBlue(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency)*aFillColor.GetBlue()) / 100));
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o_rMtf.AddAction(new MetaFillColorAction(aFillColor, true));
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}
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o_rMtf.AddAction(new MetaPolyPolygonAction(pTransAct->GetPolyPolygon()));
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if(nTransparency)
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o_rMtf.AddAction(new MetaPopAction());
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}
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else
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{
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BitmapEx aBmpEx;
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switch (rAct.GetType())
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{
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case MetaActionType::BMPEX:
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aBmpEx = static_cast<const MetaBmpExAction&>(rAct).GetBitmapEx();
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break;
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case MetaActionType::BMPEXSCALE:
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aBmpEx = static_cast<const MetaBmpExScaleAction&>(rAct).GetBitmapEx();
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break;
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case MetaActionType::BMPEXSCALEPART:
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aBmpEx = static_cast<const MetaBmpExScaleAction&>(rAct).GetBitmapEx();
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break;
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case MetaActionType::Transparent:
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default:
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OSL_FAIL("Printer::GetPreparedMetafile impossible state reached");
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break;
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}
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Bitmap aBmp(aBmpEx.GetBitmap());
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if (!aBmpEx.IsAlpha())
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{
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// blend with mask
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Bitmap::ScopedReadAccess pRA(aBmp);
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if (!pRA)
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return; // what else should I do?
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Color aActualColor(aBgColor);
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if (pRA->HasPalette())
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aActualColor = pRA->GetBestPaletteColor(aBgColor);
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pRA.reset();
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// did we get true white?
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if (aActualColor.GetColorError(aBgColor))
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{
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// no, create truecolor bitmap, then
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aBmp.Convert(BmpConversion::N24Bit);
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// fill masked out areas white
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aBmp.Replace(aBmpEx.GetMask(), aBgColor);
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}
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else
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{
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// fill masked out areas white
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aBmp.Replace(aBmpEx.GetMask(), aActualColor);
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}
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}
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else
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{
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// blend with alpha channel
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aBmp.Convert(BmpConversion::N24Bit);
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aBmp.Blend(aBmpEx.GetAlpha(), aBgColor);
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}
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// add corresponding action
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switch (rAct.GetType())
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{
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case MetaActionType::BMPEX:
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o_rMtf.AddAction(new MetaBmpAction(
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static_cast<const MetaBmpExAction&>(rAct).GetPoint(),
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aBmp));
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break;
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case MetaActionType::BMPEXSCALE:
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o_rMtf.AddAction(new MetaBmpScaleAction(
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static_cast<const MetaBmpExScaleAction&>(rAct).GetPoint(),
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static_cast<const MetaBmpExScaleAction&>(rAct).GetSize(),
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aBmp));
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break;
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case MetaActionType::BMPEXSCALEPART:
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o_rMtf.AddAction(new MetaBmpScalePartAction(
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static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestPoint(),
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static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestSize(),
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static_cast<const MetaBmpExScalePartAction&>(rAct).GetSrcPoint(),
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static_cast<const MetaBmpExScalePartAction&>(rAct).GetSrcSize(),
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aBmp));
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break;
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default:
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OSL_FAIL("Unexpected case");
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break;
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}
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}
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}
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// #i10613# Extracted from ImplCheckRect::ImplCreate
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// Returns true, if given action creates visible (i.e. non-transparent) output
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bool ImplIsNotTransparent( const MetaAction& rAct, const OutputDevice& rOut )
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{
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const bool bLineTransparency( !rOut.IsLineColor() || rOut.GetLineColor().GetTransparency() == 255 );
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const bool bFillTransparency( !rOut.IsFillColor() || rOut.GetFillColor().GetTransparency() == 255 );
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bool bRet( false );
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switch( rAct.GetType() )
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{
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case MetaActionType::POINT:
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if( !bLineTransparency )
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bRet = true;
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break;
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case MetaActionType::LINE:
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if( !bLineTransparency )
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bRet = true;
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break;
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case MetaActionType::RECT:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::ROUNDRECT:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::ELLIPSE:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::ARC:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::PIE:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::CHORD:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::POLYLINE:
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if( !bLineTransparency )
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bRet = true;
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break;
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case MetaActionType::POLYGON:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::POLYPOLYGON:
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if( !bLineTransparency || !bFillTransparency )
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bRet = true;
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break;
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case MetaActionType::TEXT:
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{
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const MetaTextAction& rTextAct = static_cast<const MetaTextAction&>(rAct);
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const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
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if (!aString.isEmpty())
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bRet = true;
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}
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break;
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case MetaActionType::TEXTARRAY:
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{
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const MetaTextArrayAction& rTextAct = static_cast<const MetaTextArrayAction&>(rAct);
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const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
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if (!aString.isEmpty())
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bRet = true;
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}
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break;
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case MetaActionType::PIXEL:
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case MetaActionType::BMP:
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case MetaActionType::BMPSCALE:
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case MetaActionType::BMPSCALEPART:
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case MetaActionType::BMPEX:
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case MetaActionType::BMPEXSCALE:
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case MetaActionType::BMPEXSCALEPART:
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case MetaActionType::MASK:
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case MetaActionType::MASKSCALE:
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case MetaActionType::MASKSCALEPART:
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case MetaActionType::GRADIENT:
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case MetaActionType::GRADIENTEX:
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case MetaActionType::HATCH:
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case MetaActionType::WALLPAPER:
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case MetaActionType::Transparent:
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case MetaActionType::FLOATTRANSPARENT:
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case MetaActionType::EPS:
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case MetaActionType::TEXTRECT:
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case MetaActionType::STRETCHTEXT:
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case MetaActionType::TEXTLINE:
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// all other actions: generate non-transparent output
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bRet = true;
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break;
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default:
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break;
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}
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return bRet;
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}
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// #i10613# Extracted from ImplCheckRect::ImplCreate
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tools::Rectangle ImplCalcActionBounds( const MetaAction& rAct, const OutputDevice& rOut )
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{
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tools::Rectangle aActionBounds;
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switch( rAct.GetType() )
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{
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case MetaActionType::PIXEL:
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aActionBounds = tools::Rectangle( static_cast<const MetaPixelAction&>(rAct).GetPoint(), Size( 1, 1 ) );
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break;
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case MetaActionType::POINT:
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aActionBounds = tools::Rectangle( static_cast<const MetaPointAction&>(rAct).GetPoint(), Size( 1, 1 ) );
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break;
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case MetaActionType::LINE:
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{
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const MetaLineAction& rMetaLineAction = static_cast<const MetaLineAction&>(rAct);
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aActionBounds = tools::Rectangle( rMetaLineAction.GetStartPoint(), rMetaLineAction.GetEndPoint() );
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aActionBounds.Justify();
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const long nLineWidth(rMetaLineAction.GetLineInfo().GetWidth());
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if(nLineWidth)
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{
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const long nHalfLineWidth((nLineWidth + 1) / 2);
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aActionBounds.AdjustLeft( -nHalfLineWidth );
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aActionBounds.AdjustTop( -nHalfLineWidth );
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aActionBounds.AdjustRight(nHalfLineWidth );
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aActionBounds.AdjustBottom(nHalfLineWidth );
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}
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break;
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}
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case MetaActionType::RECT:
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aActionBounds = static_cast<const MetaRectAction&>(rAct).GetRect();
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break;
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case MetaActionType::ROUNDRECT:
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aActionBounds = tools::Polygon( static_cast<const MetaRoundRectAction&>(rAct).GetRect(),
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static_cast<const MetaRoundRectAction&>(rAct).GetHorzRound(),
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static_cast<const MetaRoundRectAction&>(rAct).GetVertRound() ).GetBoundRect();
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break;
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case MetaActionType::ELLIPSE:
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{
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const tools::Rectangle& rRect = static_cast<const MetaEllipseAction&>(rAct).GetRect();
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aActionBounds = tools::Polygon( rRect.Center(),
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rRect.GetWidth() >> 1,
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rRect.GetHeight() >> 1 ).GetBoundRect();
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break;
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}
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case MetaActionType::ARC:
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aActionBounds = tools::Polygon( static_cast<const MetaArcAction&>(rAct).GetRect(),
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static_cast<const MetaArcAction&>(rAct).GetStartPoint(),
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static_cast<const MetaArcAction&>(rAct).GetEndPoint(), PolyStyle::Arc ).GetBoundRect();
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break;
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case MetaActionType::PIE:
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aActionBounds = tools::Polygon( static_cast<const MetaPieAction&>(rAct).GetRect(),
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static_cast<const MetaPieAction&>(rAct).GetStartPoint(),
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static_cast<const MetaPieAction&>(rAct).GetEndPoint(), PolyStyle::Pie ).GetBoundRect();
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break;
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case MetaActionType::CHORD:
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aActionBounds = tools::Polygon( static_cast<const MetaChordAction&>(rAct).GetRect(),
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static_cast<const MetaChordAction&>(rAct).GetStartPoint(),
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static_cast<const MetaChordAction&>(rAct).GetEndPoint(), PolyStyle::Chord ).GetBoundRect();
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break;
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case MetaActionType::POLYLINE:
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{
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const MetaPolyLineAction& rMetaPolyLineAction = static_cast<const MetaPolyLineAction&>(rAct);
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aActionBounds = rMetaPolyLineAction.GetPolygon().GetBoundRect();
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const long nLineWidth(rMetaPolyLineAction.GetLineInfo().GetWidth());
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if(nLineWidth)
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{
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const long nHalfLineWidth((nLineWidth + 1) / 2);
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aActionBounds.AdjustLeft( -nHalfLineWidth );
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aActionBounds.AdjustTop( -nHalfLineWidth );
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aActionBounds.AdjustRight(nHalfLineWidth );
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aActionBounds.AdjustBottom(nHalfLineWidth );
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}
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break;
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}
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case MetaActionType::POLYGON:
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aActionBounds = static_cast<const MetaPolygonAction&>(rAct).GetPolygon().GetBoundRect();
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break;
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case MetaActionType::POLYPOLYGON:
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aActionBounds = static_cast<const MetaPolyPolygonAction&>(rAct).GetPolyPolygon().GetBoundRect();
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break;
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case MetaActionType::BMP:
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aActionBounds = tools::Rectangle( static_cast<const MetaBmpAction&>(rAct).GetPoint(),
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rOut.PixelToLogic( static_cast<const MetaBmpAction&>(rAct).GetBitmap().GetSizePixel() ) );
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break;
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case MetaActionType::BMPSCALE:
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aActionBounds = tools::Rectangle( static_cast<const MetaBmpScaleAction&>(rAct).GetPoint(),
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static_cast<const MetaBmpScaleAction&>(rAct).GetSize() );
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break;
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case MetaActionType::BMPSCALEPART:
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aActionBounds = tools::Rectangle( static_cast<const MetaBmpScalePartAction&>(rAct).GetDestPoint(),
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static_cast<const MetaBmpScalePartAction&>(rAct).GetDestSize() );
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break;
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case MetaActionType::BMPEX:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaBmpExAction&>(rAct).GetPoint(),
|
|
rOut.PixelToLogic( static_cast<const MetaBmpExAction&>(rAct).GetBitmapEx().GetSizePixel() ) );
|
|
break;
|
|
|
|
case MetaActionType::BMPEXSCALE:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaBmpExScaleAction&>(rAct).GetPoint(),
|
|
static_cast<const MetaBmpExScaleAction&>(rAct).GetSize() );
|
|
break;
|
|
|
|
case MetaActionType::BMPEXSCALEPART:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestPoint(),
|
|
static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestSize() );
|
|
break;
|
|
|
|
case MetaActionType::MASK:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaMaskAction&>(rAct).GetPoint(),
|
|
rOut.PixelToLogic( static_cast<const MetaMaskAction&>(rAct).GetBitmap().GetSizePixel() ) );
|
|
break;
|
|
|
|
case MetaActionType::MASKSCALE:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaMaskScaleAction&>(rAct).GetPoint(),
|
|
static_cast<const MetaMaskScaleAction&>(rAct).GetSize() );
|
|
break;
|
|
|
|
case MetaActionType::MASKSCALEPART:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaMaskScalePartAction&>(rAct).GetDestPoint(),
|
|
static_cast<const MetaMaskScalePartAction&>(rAct).GetDestSize() );
|
|
break;
|
|
|
|
case MetaActionType::GRADIENT:
|
|
aActionBounds = static_cast<const MetaGradientAction&>(rAct).GetRect();
|
|
break;
|
|
|
|
case MetaActionType::GRADIENTEX:
|
|
aActionBounds = static_cast<const MetaGradientExAction&>(rAct).GetPolyPolygon().GetBoundRect();
|
|
break;
|
|
|
|
case MetaActionType::HATCH:
|
|
aActionBounds = static_cast<const MetaHatchAction&>(rAct).GetPolyPolygon().GetBoundRect();
|
|
break;
|
|
|
|
case MetaActionType::WALLPAPER:
|
|
aActionBounds = static_cast<const MetaWallpaperAction&>(rAct).GetRect();
|
|
break;
|
|
|
|
case MetaActionType::Transparent:
|
|
aActionBounds = static_cast<const MetaTransparentAction&>(rAct).GetPolyPolygon().GetBoundRect();
|
|
break;
|
|
|
|
case MetaActionType::FLOATTRANSPARENT:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaFloatTransparentAction&>(rAct).GetPoint(),
|
|
static_cast<const MetaFloatTransparentAction&>(rAct).GetSize() );
|
|
break;
|
|
|
|
case MetaActionType::EPS:
|
|
aActionBounds = tools::Rectangle( static_cast<const MetaEPSAction&>(rAct).GetPoint(),
|
|
static_cast<const MetaEPSAction&>(rAct).GetSize() );
|
|
break;
|
|
|
|
case MetaActionType::TEXT:
|
|
{
|
|
const MetaTextAction& rTextAct = static_cast<const MetaTextAction&>(rAct);
|
|
const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
|
|
|
|
if (!aString.isEmpty())
|
|
{
|
|
const Point aPtLog( rTextAct.GetPoint() );
|
|
|
|
// #105987# Use API method instead of Impl* methods
|
|
// #107490# Set base parameter equal to index parameter
|
|
rOut.GetTextBoundRect( aActionBounds, rTextAct.GetText(), rTextAct.GetIndex(),
|
|
rTextAct.GetIndex(), rTextAct.GetLen() );
|
|
aActionBounds.Move( aPtLog.X(), aPtLog.Y() );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MetaActionType::TEXTARRAY:
|
|
{
|
|
const MetaTextArrayAction& rTextAct = static_cast<const MetaTextArrayAction&>(rAct);
|
|
const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
|
|
|
|
if( !aString.isEmpty() )
|
|
{
|
|
// #105987# ImplLayout takes everything in logical coordinates
|
|
std::unique_ptr<SalLayout> pSalLayout = rOut.ImplLayout( rTextAct.GetText(), rTextAct.GetIndex(),
|
|
rTextAct.GetLen(), rTextAct.GetPoint(),
|
|
0, rTextAct.GetDXArray() );
|
|
if( pSalLayout )
|
|
{
|
|
tools::Rectangle aBoundRect( const_cast<OutputDevice&>(rOut).ImplGetTextBoundRect( *pSalLayout ) );
|
|
aActionBounds = rOut.PixelToLogic( aBoundRect );
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MetaActionType::TEXTRECT:
|
|
aActionBounds = static_cast<const MetaTextRectAction&>(rAct).GetRect();
|
|
break;
|
|
|
|
case MetaActionType::STRETCHTEXT:
|
|
{
|
|
const MetaStretchTextAction& rTextAct = static_cast<const MetaStretchTextAction&>(rAct);
|
|
const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
|
|
|
|
// #i16195# Literate copy from TextArray action, the
|
|
// semantics for the ImplLayout call are copied from the
|
|
// OutDev::DrawStretchText() code. Unfortunately, also in
|
|
// this case, public outdev methods such as GetTextWidth()
|
|
// don't provide enough info.
|
|
if( !aString.isEmpty() )
|
|
{
|
|
// #105987# ImplLayout takes everything in logical coordinates
|
|
std::unique_ptr<SalLayout> pSalLayout = rOut.ImplLayout( rTextAct.GetText(), rTextAct.GetIndex(),
|
|
rTextAct.GetLen(), rTextAct.GetPoint(),
|
|
rTextAct.GetWidth() );
|
|
if( pSalLayout )
|
|
{
|
|
tools::Rectangle aBoundRect( const_cast<OutputDevice&>(rOut).ImplGetTextBoundRect( *pSalLayout ) );
|
|
aActionBounds = rOut.PixelToLogic( aBoundRect );
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MetaActionType::TEXTLINE:
|
|
OSL_FAIL("MetaActionType::TEXTLINE not supported");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if( !aActionBounds.IsEmpty() )
|
|
{
|
|
// fdo#40421 limit current action's output to clipped area
|
|
if( rOut.IsClipRegion() )
|
|
return rOut.LogicToPixel(
|
|
rOut.GetClipRegion().GetBoundRect().Intersection( aActionBounds ) );
|
|
else
|
|
return rOut.LogicToPixel( aActionBounds );
|
|
}
|
|
else
|
|
return tools::Rectangle();
|
|
}
|
|
|
|
} // end anon namespace
|
|
|
|
bool OutputDevice::RemoveTransparenciesFromMetaFile( const GDIMetaFile& rInMtf, GDIMetaFile& rOutMtf,
|
|
long nMaxBmpDPIX, long nMaxBmpDPIY,
|
|
bool bReduceTransparency, bool bTransparencyAutoMode,
|
|
bool bDownsampleBitmaps,
|
|
const Color& rBackground
|
|
)
|
|
{
|
|
MetaAction* pCurrAct;
|
|
bool bTransparent( false );
|
|
|
|
rOutMtf.Clear();
|
|
|
|
if( ! bReduceTransparency || bTransparencyAutoMode )
|
|
{
|
|
// watch for transparent drawing actions
|
|
for( pCurrAct = const_cast<GDIMetaFile&>(rInMtf).FirstAction();
|
|
pCurrAct && !bTransparent;
|
|
pCurrAct = const_cast<GDIMetaFile&>(rInMtf).NextAction() )
|
|
{
|
|
// #i10613# determine if the action is transparency capable
|
|
|
|
// #107169# Also examine metafiles with masked bitmaps in
|
|
// detail. Further down, this is optimized in such a way
|
|
// that there's no unnecessary painting of masked bitmaps
|
|
// (which are _always_ subdivided into rectangular regions
|
|
// of uniform opacity): if a masked bitmap is printed over
|
|
// empty background, we convert to a plain bitmap with
|
|
// white background.
|
|
if( IsTransparentAction( *pCurrAct ) )
|
|
{
|
|
bTransparent = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// #i10613# Determine set of connected components containing transparent objects. These are
|
|
// then processed as bitmaps, the original actions are removed from the metafile.
|
|
if( !bTransparent )
|
|
{
|
|
// nothing transparent -> just copy
|
|
rOutMtf = rInMtf;
|
|
}
|
|
else
|
|
{
|
|
// #i10613#
|
|
// This works as follows: we want a number of distinct sets of
|
|
// connected components, where each set contains metafile
|
|
// actions that are intersecting (note: there are possibly
|
|
// more actions contained as are directly intersecting,
|
|
// because we can only produce rectangular bitmaps later
|
|
// on. Thus, each set of connected components is the smallest
|
|
// enclosing, axis-aligned rectangle that completely bounds a
|
|
// number of intersecting metafile actions, plus any action
|
|
// that would otherwise be cut in two). Therefore, we
|
|
// iteratively add metafile actions from the original metafile
|
|
// to this connected components list (aCCList), by checking
|
|
// each element's bounding box against intersection with the
|
|
// metaaction at hand.
|
|
// All those intersecting elements are removed from aCCList
|
|
// and collected in a temporary list (aCCMergeList). After all
|
|
// elements have been checked, the aCCMergeList elements are
|
|
// merged with the metaaction at hand into one resulting
|
|
// connected component, with one big bounding box, and
|
|
// inserted into aCCList again.
|
|
// The time complexity of this algorithm is O(n^3), where n is
|
|
// the number of metafile actions, and it finds all distinct
|
|
// regions of rectangle-bounded connected components. This
|
|
// algorithm was designed by AF.
|
|
|
|
// STAGE 1: Detect background
|
|
|
|
// Receives uniform background content, and is _not_ merged
|
|
// nor checked for intersection against other aCCList elements
|
|
ConnectedComponents aBackgroundComponent;
|
|
|
|
// Read the configuration value of minimal object area where transparency will be removed
|
|
double fReduceTransparencyMinArea = officecfg::Office::Common::VCL::ReduceTransparencyMinArea::get() / 100.0;
|
|
SAL_WARN_IF(fReduceTransparencyMinArea > 1.0, "vcl",
|
|
"Value of ReduceTransparencyMinArea config option is too high");
|
|
SAL_WARN_IF(fReduceTransparencyMinArea < 0.0, "vcl",
|
|
"Value of ReduceTransparencyMinArea config option is too low");
|
|
fReduceTransparencyMinArea = std::clamp(fReduceTransparencyMinArea, 0.0, 1.0);
|
|
|
|
// create an OutputDevice to record mapmode changes and the like
|
|
ScopedVclPtrInstance< VirtualDevice > aMapModeVDev;
|
|
aMapModeVDev->mnDPIX = mnDPIX;
|
|
aMapModeVDev->mnDPIY = mnDPIY;
|
|
aMapModeVDev->EnableOutput(false);
|
|
|
|
int nLastBgAction, nActionNum;
|
|
|
|
// weed out page-filling background objects (if they are
|
|
// uniformly coloured). Keeping them outside the other
|
|
// connected components often prevents whole-page bitmap
|
|
// generation.
|
|
bool bStillBackground=true; // true until first non-bg action
|
|
nActionNum=0; nLastBgAction=-1;
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction();
|
|
if( rBackground != COL_TRANSPARENT )
|
|
{
|
|
aBackgroundComponent.aBgColor = rBackground;
|
|
if( meOutDevType == OUTDEV_PRINTER )
|
|
{
|
|
Printer* pThis = dynamic_cast<Printer*>(this);
|
|
assert(pThis);
|
|
Point aPageOffset = Point( 0, 0 ) - pThis->GetPageOffsetPixel();
|
|
Size aSize = pThis->GetPaperSizePixel();
|
|
aBackgroundComponent.aBounds = tools::Rectangle( aPageOffset, aSize );
|
|
}
|
|
else
|
|
aBackgroundComponent.aBounds = tools::Rectangle( Point( 0, 0 ), GetOutputSizePixel() );
|
|
}
|
|
while( pCurrAct && bStillBackground )
|
|
{
|
|
switch( pCurrAct->GetType() )
|
|
{
|
|
case MetaActionType::RECT:
|
|
{
|
|
if( !checkRect(
|
|
aBackgroundComponent.aBounds,
|
|
aBackgroundComponent.aBgColor,
|
|
static_cast<const MetaRectAction*>(pCurrAct)->GetRect(),
|
|
*aMapModeVDev) )
|
|
bStillBackground=false; // incomplete occlusion of background
|
|
else
|
|
nLastBgAction=nActionNum; // this _is_ background
|
|
break;
|
|
}
|
|
case MetaActionType::POLYGON:
|
|
{
|
|
const tools::Polygon aPoly(
|
|
static_cast<const MetaPolygonAction*>(pCurrAct)->GetPolygon());
|
|
if( !basegfx::utils::isRectangle(
|
|
aPoly.getB2DPolygon()) ||
|
|
!checkRect(
|
|
aBackgroundComponent.aBounds,
|
|
aBackgroundComponent.aBgColor,
|
|
aPoly.GetBoundRect(),
|
|
*aMapModeVDev) )
|
|
bStillBackground=false; // incomplete occlusion of background
|
|
else
|
|
nLastBgAction=nActionNum; // this _is_ background
|
|
break;
|
|
}
|
|
case MetaActionType::POLYPOLYGON:
|
|
{
|
|
const tools::PolyPolygon aPoly(
|
|
static_cast<const MetaPolyPolygonAction*>(pCurrAct)->GetPolyPolygon());
|
|
if( aPoly.Count() != 1 ||
|
|
!basegfx::utils::isRectangle(
|
|
aPoly[0].getB2DPolygon()) ||
|
|
!checkRect(
|
|
aBackgroundComponent.aBounds,
|
|
aBackgroundComponent.aBgColor,
|
|
aPoly.GetBoundRect(),
|
|
*aMapModeVDev) )
|
|
bStillBackground=false; // incomplete occlusion of background
|
|
else
|
|
nLastBgAction=nActionNum; // this _is_ background
|
|
break;
|
|
}
|
|
case MetaActionType::WALLPAPER:
|
|
{
|
|
if( !checkRect(
|
|
aBackgroundComponent.aBounds,
|
|
aBackgroundComponent.aBgColor,
|
|
static_cast<const MetaWallpaperAction*>(pCurrAct)->GetRect(),
|
|
*aMapModeVDev) )
|
|
bStillBackground=false; // incomplete occlusion of background
|
|
else
|
|
nLastBgAction=nActionNum; // this _is_ background
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
if( ImplIsNotTransparent( *pCurrAct,
|
|
*aMapModeVDev ) )
|
|
bStillBackground=false; // non-transparent action, possibly
|
|
// not uniform
|
|
else
|
|
// extend current bounds (next uniform action
|
|
// needs to fully cover this area)
|
|
aBackgroundComponent.aBounds.Union(
|
|
ImplCalcActionBounds(*pCurrAct, *aMapModeVDev) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
// execute action to get correct MapModes etc.
|
|
pCurrAct->Execute( aMapModeVDev.get() );
|
|
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction();
|
|
++nActionNum;
|
|
}
|
|
|
|
// clean up aMapModeVDev
|
|
sal_uInt32 nCount = aMapModeVDev->GetGCStackDepth();
|
|
while( nCount-- )
|
|
aMapModeVDev->Pop();
|
|
|
|
ConnectedComponentsList aCCList; // list containing distinct sets of connected components as elements.
|
|
|
|
// fast-forward until one after the last background action
|
|
// (need to reconstruct map mode vdev state)
|
|
nActionNum=0;
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction();
|
|
while( pCurrAct && nActionNum<=nLastBgAction )
|
|
{
|
|
// up to and including last ink-generating background
|
|
// action go to background component
|
|
aBackgroundComponent.aComponentList.emplace_back(
|
|
pCurrAct, nActionNum );
|
|
|
|
// execute action to get correct MapModes etc.
|
|
pCurrAct->Execute( aMapModeVDev.get() );
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction();
|
|
++nActionNum;
|
|
}
|
|
|
|
// STAGE 2: Generate connected components list
|
|
|
|
// iterate over all actions (start where background action
|
|
// search left off)
|
|
for( ;
|
|
pCurrAct;
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction(), ++nActionNum )
|
|
{
|
|
// execute action to get correct MapModes etc.
|
|
pCurrAct->Execute( aMapModeVDev.get() );
|
|
|
|
// cache bounds of current action
|
|
const tools::Rectangle aBBCurrAct( ImplCalcActionBounds(*pCurrAct, *aMapModeVDev) );
|
|
|
|
// accumulate collected bounds here, initialize with current action
|
|
tools::Rectangle aTotalBounds( aBBCurrAct ); // thus,
|
|
// aTotalComponents.aBounds
|
|
// is
|
|
// empty
|
|
// for
|
|
// non-output-generating
|
|
// actions
|
|
bool bTreatSpecial( false );
|
|
ConnectedComponents aTotalComponents;
|
|
|
|
// STAGE 2.1: Search for intersecting cc entries
|
|
|
|
// if aBBCurrAct is empty, it will intersect with no
|
|
// aCCList member. Thus, we can save the check.
|
|
// Furthermore, this ensures that non-output-generating
|
|
// actions get their own aCCList entry, which is necessary
|
|
// when copying them to the output metafile (see stage 4
|
|
// below).
|
|
|
|
// #107169# Wholly transparent objects need
|
|
// not be considered for connected components,
|
|
// too. Just put each of them into a separate
|
|
// component.
|
|
aTotalComponents.bIsFullyTransparent = !ImplIsNotTransparent(*pCurrAct, *aMapModeVDev);
|
|
|
|
if( !aBBCurrAct.IsEmpty() &&
|
|
!aTotalComponents.bIsFullyTransparent )
|
|
{
|
|
if( !aBackgroundComponent.aComponentList.empty() &&
|
|
!aBackgroundComponent.aBounds.IsInside(aTotalBounds) )
|
|
{
|
|
// it seems the background is not large enough. to
|
|
// be on the safe side, combine with this component.
|
|
aTotalBounds.Union( aBackgroundComponent.aBounds );
|
|
|
|
// extract all aCurr actions to aTotalComponents
|
|
aTotalComponents.aComponentList.splice( aTotalComponents.aComponentList.end(),
|
|
aBackgroundComponent.aComponentList );
|
|
|
|
if( aBackgroundComponent.bIsSpecial )
|
|
bTreatSpecial = true;
|
|
}
|
|
|
|
bool bSomeComponentsChanged;
|
|
|
|
// now, this is unfortunate: since changing anyone of
|
|
// the aCCList elements (e.g. by merging or addition
|
|
// of an action) might generate new intersection with
|
|
// other aCCList elements, have to repeat the whole
|
|
// element scanning, until nothing changes anymore.
|
|
// Thus, this loop here makes us O(n^3) in the worst
|
|
// case.
|
|
do
|
|
{
|
|
// only loop here if 'intersects' branch below was hit
|
|
bSomeComponentsChanged = false;
|
|
|
|
// iterate over all current members of aCCList
|
|
for( auto aCurrCC=aCCList.begin(); aCurrCC != aCCList.end(); )
|
|
{
|
|
// first check if current element's bounds are
|
|
// empty. This ensures that empty actions are not
|
|
// merged into one component, as a matter of fact,
|
|
// they have no position.
|
|
|
|
// #107169# Wholly transparent objects need
|
|
// not be considered for connected components,
|
|
// too. Just put each of them into a separate
|
|
// component.
|
|
if( !aCurrCC->aBounds.IsEmpty() &&
|
|
!aCurrCC->bIsFullyTransparent &&
|
|
aCurrCC->aBounds.IsOver( aTotalBounds ) )
|
|
{
|
|
// union the intersecting aCCList element into aTotalComponents
|
|
|
|
// calc union bounding box
|
|
aTotalBounds.Union( aCurrCC->aBounds );
|
|
|
|
// extract all aCurr actions to aTotalComponents
|
|
aTotalComponents.aComponentList.splice( aTotalComponents.aComponentList.end(),
|
|
aCurrCC->aComponentList );
|
|
|
|
if( aCurrCC->bIsSpecial )
|
|
bTreatSpecial = true;
|
|
|
|
// remove and delete aCurrCC element from list (we've now merged its content)
|
|
aCurrCC = aCCList.erase( aCurrCC );
|
|
|
|
// at least one component changed, need to rescan everything
|
|
bSomeComponentsChanged = true;
|
|
}
|
|
else
|
|
{
|
|
++aCurrCC;
|
|
}
|
|
}
|
|
}
|
|
while( bSomeComponentsChanged );
|
|
}
|
|
|
|
// STAGE 2.2: Determine special state for cc element
|
|
|
|
// now test whether the whole connected component must be
|
|
// treated specially (i.e. rendered as a bitmap): if the
|
|
// added action is the very first action, or all actions
|
|
// before it are completely transparent, the connected
|
|
// component need not be treated specially, not even if
|
|
// the added action contains transparency. This is because
|
|
// painting of transparent objects on _white background_
|
|
// works without alpha compositing (you just calculate the
|
|
// color). Note that for the test "all objects before me
|
|
// are transparent" no sorting is necessary, since the
|
|
// added metaaction pCurrAct is always in the order the
|
|
// metafile is painted. Generally, the order of the
|
|
// metaactions in the ConnectedComponents are not
|
|
// guaranteed to be the same as in the metafile.
|
|
if( bTreatSpecial )
|
|
{
|
|
// prev component(s) special -> this one, too
|
|
aTotalComponents.bIsSpecial = true;
|
|
}
|
|
else if( !IsTransparentAction( *pCurrAct ) )
|
|
{
|
|
// added action and none of prev components special ->
|
|
// this one normal, too
|
|
aTotalComponents.bIsSpecial = false;
|
|
}
|
|
else
|
|
{
|
|
// added action is special and none of prev components
|
|
// special -> do the detailed tests
|
|
|
|
// can the action handle transparency correctly
|
|
// (i.e. when painted on white background, does the
|
|
// action still look correct)?
|
|
if( !DoesActionHandleTransparency( *pCurrAct ) )
|
|
{
|
|
// no, action cannot handle its transparency on
|
|
// a printer device, render to bitmap
|
|
aTotalComponents.bIsSpecial = true;
|
|
}
|
|
else
|
|
{
|
|
// yes, action can handle its transparency, so
|
|
// check whether we're on white background
|
|
if( aTotalComponents.aComponentList.empty() )
|
|
{
|
|
// nothing between pCurrAct and page
|
|
// background -> don't be special
|
|
aTotalComponents.bIsSpecial = false;
|
|
}
|
|
else
|
|
{
|
|
// #107169# Fixes above now ensure that _no_
|
|
// object in the list is fully transparent. Thus,
|
|
// if the component list is not empty above, we
|
|
// must assume that we have to treat this
|
|
// component special.
|
|
|
|
// there are non-transparent objects between
|
|
// pCurrAct and the empty sheet of paper -> be
|
|
// special, then
|
|
aTotalComponents.bIsSpecial = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// STAGE 2.3: Add newly generated CC list element
|
|
|
|
// set new bounds and add action to list
|
|
aTotalComponents.aBounds = aTotalBounds;
|
|
aTotalComponents.aComponentList.emplace_back(
|
|
pCurrAct, nActionNum );
|
|
|
|
// add aTotalComponents as a new entry to aCCList
|
|
aCCList.push_back( aTotalComponents );
|
|
|
|
SAL_WARN_IF( aTotalComponents.aComponentList.empty(), "vcl",
|
|
"Printer::GetPreparedMetaFile empty component" );
|
|
SAL_WARN_IF( aTotalComponents.aBounds.IsEmpty() && (aTotalComponents.aComponentList.size() != 1), "vcl",
|
|
"Printer::GetPreparedMetaFile non-output generating actions must be solitary");
|
|
SAL_WARN_IF( aTotalComponents.bIsFullyTransparent && (aTotalComponents.aComponentList.size() != 1), "vcl",
|
|
"Printer::GetPreparedMetaFile fully transparent actions must be solitary");
|
|
}
|
|
|
|
// well now, we've got the list of disjunct connected
|
|
// components. Now we've got to create a map, which contains
|
|
// the corresponding aCCList element for every
|
|
// metaaction. Later on, we always process the complete
|
|
// metafile for each bitmap to be generated, but switch on
|
|
// output only for actions contained in the then current
|
|
// aCCList element. This ensures correct mapmode and attribute
|
|
// settings for all cases.
|
|
|
|
// maps mtf actions to CC list entries
|
|
::std::vector< const ConnectedComponents* > aCCList_MemberMap( rInMtf.GetActionSize() );
|
|
|
|
// iterate over all aCCList members and their contained metaactions
|
|
for (auto const& currentItem : aCCList)
|
|
{
|
|
for (auto const& currentAction : currentItem.aComponentList)
|
|
{
|
|
// set pointer to aCCList element for corresponding index
|
|
aCCList_MemberMap[ currentAction.second ] = ¤tItem;
|
|
}
|
|
}
|
|
|
|
// STAGE 3.1: Output background mtf actions (if there are any)
|
|
|
|
for (auto & component : aBackgroundComponent.aComponentList)
|
|
{
|
|
// simply add this action (above, we inserted the actions
|
|
// starting at index 0 up to and including nLastBgAction)
|
|
rOutMtf.AddAction( component.first );
|
|
}
|
|
|
|
// STAGE 3.2: Generate banded bitmaps for special regions
|
|
|
|
Point aPageOffset;
|
|
Size aTmpSize( GetOutputSizePixel() );
|
|
if( meOutDevType == OUTDEV_PDF )
|
|
{
|
|
auto pPdfWriter = static_cast<vcl::PDFWriterImpl*>(this);
|
|
aTmpSize = LogicToPixel(pPdfWriter->getCurPageSize(), MapMode(MapUnit::MapPoint));
|
|
|
|
// also add error code to PDFWriter
|
|
pPdfWriter->insertError(vcl::PDFWriter::Warning_Transparency_Converted);
|
|
}
|
|
else if( meOutDevType == OUTDEV_PRINTER )
|
|
{
|
|
Printer* pThis = dynamic_cast<Printer*>(this);
|
|
assert(pThis);
|
|
aPageOffset = pThis->GetPageOffsetPixel();
|
|
aPageOffset = Point( 0, 0 ) - aPageOffset;
|
|
aTmpSize = pThis->GetPaperSizePixel();
|
|
}
|
|
const tools::Rectangle aOutputRect( aPageOffset, aTmpSize );
|
|
bool bTiling = dynamic_cast<Printer*>(this) != nullptr;
|
|
|
|
// iterate over all aCCList members and generate bitmaps for the special ones
|
|
for (auto & currentItem : aCCList)
|
|
{
|
|
if( currentItem.bIsSpecial )
|
|
{
|
|
tools::Rectangle aBoundRect( currentItem.aBounds );
|
|
aBoundRect.Intersection( aOutputRect );
|
|
|
|
const double fBmpArea( static_cast<double>(aBoundRect.GetWidth()) * aBoundRect.GetHeight() );
|
|
const double fOutArea( static_cast<double>(aOutputRect.GetWidth()) * aOutputRect.GetHeight() );
|
|
|
|
// check if output doesn't exceed given size
|
|
if( bReduceTransparency && bTransparencyAutoMode && ( fBmpArea > ( fReduceTransparencyMinArea * fOutArea ) ) )
|
|
{
|
|
// output normally. Therefore, we simply clear the
|
|
// special attribute, as everything non-special is
|
|
// copied to rOutMtf further below.
|
|
currentItem.bIsSpecial = false;
|
|
}
|
|
else
|
|
{
|
|
// create new bitmap action first
|
|
if( aBoundRect.GetWidth() && aBoundRect.GetHeight() )
|
|
{
|
|
Point aDstPtPix( aBoundRect.TopLeft() );
|
|
Size aDstSzPix;
|
|
|
|
ScopedVclPtrInstance<VirtualDevice> aMapVDev; // here, we record only mapmode information
|
|
aMapVDev->EnableOutput(false);
|
|
|
|
ScopedVclPtrInstance<VirtualDevice> aPaintVDev; // into this one, we render.
|
|
aPaintVDev->SetBackground( aBackgroundComponent.aBgColor );
|
|
|
|
rOutMtf.AddAction( new MetaPushAction( PushFlags::MAPMODE ) );
|
|
rOutMtf.AddAction( new MetaMapModeAction() );
|
|
|
|
aPaintVDev->SetDrawMode( GetDrawMode() );
|
|
|
|
while( aDstPtPix.Y() <= aBoundRect.Bottom() )
|
|
{
|
|
aDstPtPix.setX( aBoundRect.Left() );
|
|
aDstSzPix = bTiling ? Size( MAX_TILE_WIDTH, MAX_TILE_HEIGHT ) : aBoundRect.GetSize();
|
|
|
|
if( ( aDstPtPix.Y() + aDstSzPix.Height() - 1 ) > aBoundRect.Bottom() )
|
|
aDstSzPix.setHeight( aBoundRect.Bottom() - aDstPtPix.Y() + 1 );
|
|
|
|
while( aDstPtPix.X() <= aBoundRect.Right() )
|
|
{
|
|
if( ( aDstPtPix.X() + aDstSzPix.Width() - 1 ) > aBoundRect.Right() )
|
|
aDstSzPix.setWidth( aBoundRect.Right() - aDstPtPix.X() + 1 );
|
|
|
|
if( !tools::Rectangle( aDstPtPix, aDstSzPix ).Intersection( aBoundRect ).IsEmpty() &&
|
|
aPaintVDev->SetOutputSizePixel( aDstSzPix ) )
|
|
{
|
|
aPaintVDev->Push();
|
|
aMapVDev->Push();
|
|
|
|
aMapVDev->mnDPIX = aPaintVDev->mnDPIX = mnDPIX;
|
|
aMapVDev->mnDPIY = aPaintVDev->mnDPIY = mnDPIY;
|
|
|
|
aPaintVDev->EnableOutput(false);
|
|
|
|
// iterate over all actions
|
|
for( pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction(), nActionNum=0;
|
|
pCurrAct;
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction(), ++nActionNum )
|
|
{
|
|
// enable output only for
|
|
// actions that are members of
|
|
// the current aCCList element
|
|
// (currentItem)
|
|
if( aCCList_MemberMap[nActionNum] == ¤tItem )
|
|
aPaintVDev->EnableOutput();
|
|
|
|
// but process every action
|
|
const MetaActionType nType( pCurrAct->GetType() );
|
|
|
|
if( MetaActionType::MAPMODE == nType )
|
|
{
|
|
pCurrAct->Execute( aMapVDev.get() );
|
|
|
|
MapMode aMtfMap( aMapVDev->GetMapMode() );
|
|
const Point aNewOrg( aMapVDev->PixelToLogic( aDstPtPix ) );
|
|
|
|
aMtfMap.SetOrigin( Point( -aNewOrg.X(), -aNewOrg.Y() ) );
|
|
aPaintVDev->SetMapMode( aMtfMap );
|
|
}
|
|
else if( ( MetaActionType::PUSH == nType ) || MetaActionType::POP == nType )
|
|
{
|
|
pCurrAct->Execute( aMapVDev.get() );
|
|
pCurrAct->Execute( aPaintVDev.get() );
|
|
}
|
|
else if( MetaActionType::GRADIENT == nType )
|
|
{
|
|
MetaGradientAction* pGradientAction = static_cast<MetaGradientAction*>(pCurrAct);
|
|
Printer* pPrinter = dynamic_cast< Printer* >(this);
|
|
if( pPrinter )
|
|
pPrinter->DrawGradientEx( aPaintVDev.get(), pGradientAction->GetRect(), pGradientAction->GetGradient() );
|
|
else
|
|
DrawGradient( pGradientAction->GetRect(), pGradientAction->GetGradient() );
|
|
}
|
|
else
|
|
{
|
|
pCurrAct->Execute( aPaintVDev.get() );
|
|
}
|
|
|
|
Application::Reschedule( true );
|
|
}
|
|
|
|
const bool bOldMap = mbMap;
|
|
mbMap = aPaintVDev->mbMap = false;
|
|
|
|
Bitmap aBandBmp( aPaintVDev->GetBitmap( Point(), aDstSzPix ) );
|
|
|
|
// scale down bitmap, if requested
|
|
if( bDownsampleBitmaps )
|
|
{
|
|
aBandBmp = GetDownsampledBitmap( aDstSzPix,
|
|
Point(), aBandBmp.GetSizePixel(),
|
|
aBandBmp, nMaxBmpDPIX, nMaxBmpDPIY );
|
|
}
|
|
|
|
rOutMtf.AddAction( new MetaCommentAction( "PRNSPOOL_TRANSPARENTBITMAP_BEGIN" ) );
|
|
rOutMtf.AddAction( new MetaBmpScaleAction( aDstPtPix, aDstSzPix, aBandBmp ) );
|
|
rOutMtf.AddAction( new MetaCommentAction( "PRNSPOOL_TRANSPARENTBITMAP_END" ) );
|
|
|
|
aPaintVDev->mbMap = true;
|
|
mbMap = bOldMap;
|
|
aMapVDev->Pop();
|
|
aPaintVDev->Pop();
|
|
}
|
|
|
|
// overlapping bands to avoid missing lines (e.g. PostScript)
|
|
aDstPtPix.AdjustX(aDstSzPix.Width() );
|
|
}
|
|
|
|
// overlapping bands to avoid missing lines (e.g. PostScript)
|
|
aDstPtPix.AdjustY(aDstSzPix.Height() );
|
|
}
|
|
|
|
rOutMtf.AddAction( new MetaPopAction() );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// clean up aMapModeVDev
|
|
nCount = aMapModeVDev->GetGCStackDepth();
|
|
while( nCount-- )
|
|
aMapModeVDev->Pop();
|
|
|
|
// STAGE 4: Copy actions to output metafile
|
|
|
|
// iterate over all actions and duplicate the ones not in a
|
|
// special aCCList member into rOutMtf
|
|
for( pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction(), nActionNum=0;
|
|
pCurrAct;
|
|
pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction(), ++nActionNum )
|
|
{
|
|
const ConnectedComponents* pCurrAssociatedComponent = aCCList_MemberMap[nActionNum];
|
|
|
|
// NOTE: This relies on the fact that map-mode or draw
|
|
// mode changing actions are solitary aCCList elements and
|
|
// have empty bounding boxes, see comment on stage 2.1
|
|
// above
|
|
if( pCurrAssociatedComponent &&
|
|
(pCurrAssociatedComponent->aBounds.IsEmpty() ||
|
|
!pCurrAssociatedComponent->bIsSpecial) )
|
|
{
|
|
// #107169# Treat transparent bitmaps special, if they
|
|
// are the first (or sole) action in their bounds
|
|
// list. Note that we previously ensured that no
|
|
// fully-transparent objects are before us here.
|
|
if( DoesActionHandleTransparency( *pCurrAct ) &&
|
|
pCurrAssociatedComponent->aComponentList.begin()->first == pCurrAct )
|
|
{
|
|
// convert actions, where masked-out parts are of
|
|
// given background color
|
|
ImplConvertTransparentAction(rOutMtf,
|
|
*pCurrAct,
|
|
*aMapModeVDev,
|
|
aBackgroundComponent.aBgColor);
|
|
}
|
|
else
|
|
{
|
|
// simply add this action
|
|
rOutMtf.AddAction( pCurrAct );
|
|
}
|
|
|
|
pCurrAct->Execute(aMapModeVDev.get());
|
|
}
|
|
}
|
|
|
|
rOutMtf.SetPrefMapMode( rInMtf.GetPrefMapMode() );
|
|
rOutMtf.SetPrefSize( rInMtf.GetPrefSize() );
|
|
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
// iterate over all aCCList members and generate rectangles for the bounding boxes
|
|
rOutMtf.AddAction( new MetaFillColorAction( COL_WHITE, false ) );
|
|
for(auto const& aCurr:aCCList)
|
|
{
|
|
if( aCurr.bIsSpecial )
|
|
rOutMtf.AddAction( new MetaLineColorAction( COL_RED, true) );
|
|
else
|
|
rOutMtf.AddAction( new MetaLineColorAction( COL_BLUE, true) );
|
|
|
|
rOutMtf.AddAction( new MetaRectAction( aMapModeVDev->PixelToLogic( aCurr.aBounds ) ) );
|
|
}
|
|
#endif
|
|
}
|
|
return bTransparent;
|
|
}
|
|
|
|
void Printer::DrawGradientEx( OutputDevice* pOut, const tools::Rectangle& rRect, const Gradient& rGradient )
|
|
{
|
|
const PrinterOptions& rPrinterOptions = GetPrinterOptions();
|
|
|
|
if( rPrinterOptions.IsReduceGradients() )
|
|
{
|
|
if( PrinterGradientMode::Stripes == rPrinterOptions.GetReducedGradientMode() )
|
|
{
|
|
if( !rGradient.GetSteps() || ( rGradient.GetSteps() > rPrinterOptions.GetReducedGradientStepCount() ) )
|
|
{
|
|
Gradient aNewGradient( rGradient );
|
|
|
|
aNewGradient.SetSteps( rPrinterOptions.GetReducedGradientStepCount() );
|
|
pOut->DrawGradient( rRect, aNewGradient );
|
|
}
|
|
else
|
|
pOut->DrawGradient( rRect, rGradient );
|
|
}
|
|
else
|
|
{
|
|
const Color& rStartColor = rGradient.GetStartColor();
|
|
const Color& rEndColor = rGradient.GetEndColor();
|
|
const long nR = ( ( static_cast<long>(rStartColor.GetRed()) * rGradient.GetStartIntensity() ) / 100 +
|
|
( static_cast<long>(rEndColor.GetRed()) * rGradient.GetEndIntensity() ) / 100 ) >> 1;
|
|
const long nG = ( ( static_cast<long>(rStartColor.GetGreen()) * rGradient.GetStartIntensity() ) / 100 +
|
|
( static_cast<long>(rEndColor.GetGreen()) * rGradient.GetEndIntensity() ) / 100 ) >> 1;
|
|
const long nB = ( ( static_cast<long>(rStartColor.GetBlue()) * rGradient.GetStartIntensity() ) / 100 +
|
|
( static_cast<long>(rEndColor.GetBlue()) * rGradient.GetEndIntensity() ) / 100 ) >> 1;
|
|
const Color aColor( static_cast<sal_uInt8>(nR), static_cast<sal_uInt8>(nG), static_cast<sal_uInt8>(nB) );
|
|
|
|
pOut->Push( PushFlags::LINECOLOR | PushFlags::FILLCOLOR );
|
|
pOut->SetLineColor( aColor );
|
|
pOut->SetFillColor( aColor );
|
|
pOut->DrawRect( rRect );
|
|
pOut->Pop();
|
|
}
|
|
}
|
|
else
|
|
pOut->DrawGradient( rRect, rGradient );
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|