ff8b9f6fca
It had a random(?) hardcoded '2' as the dashing info. While at it, I've also made few other places use the common implementation of creating the dotdash array instead of doing it manually. Change-Id: Id349ca138c98d08eef47dc0bfe6d162e03fc4a9f Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131932 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
358 lines
11 KiB
C++
358 lines
11 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 <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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#include <basegfx/polygon/b2dlinegeometry.hxx>
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#include <tools/debug.hxx>
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#include <vcl/lineinfo.hxx>
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#include <vcl/metaact.hxx>
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#include <vcl/virdev.hxx>
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#include <drawmode.hxx>
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#include <salgdi.hxx>
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#include <cassert>
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#include <numeric>
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void OutputDevice::SetLineColor()
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{
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if ( mpMetaFile )
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mpMetaFile->AddAction( new MetaLineColorAction( Color(), false ) );
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if ( mbLineColor )
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{
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mbInitLineColor = true;
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mbLineColor = false;
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maLineColor = COL_TRANSPARENT;
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}
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if( mpAlphaVDev )
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mpAlphaVDev->SetLineColor();
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}
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void OutputDevice::SetLineColor( const Color& rColor )
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{
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Color aColor = vcl::drawmode::GetLineColor(rColor, GetDrawMode(), GetSettings().GetStyleSettings());
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if( mpMetaFile )
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mpMetaFile->AddAction( new MetaLineColorAction( aColor, true ) );
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if( aColor.IsTransparent() )
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{
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if ( mbLineColor )
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{
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mbInitLineColor = true;
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mbLineColor = false;
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maLineColor = COL_TRANSPARENT;
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}
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}
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else
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{
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if( maLineColor != aColor )
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{
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mbInitLineColor = true;
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mbLineColor = true;
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maLineColor = aColor;
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}
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}
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if( mpAlphaVDev )
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mpAlphaVDev->SetLineColor( COL_BLACK );
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}
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void OutputDevice::InitLineColor()
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{
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DBG_TESTSOLARMUTEX();
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if( mbLineColor )
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{
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if( RasterOp::N0 == meRasterOp )
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mpGraphics->SetROPLineColor( SalROPColor::N0 );
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else if( RasterOp::N1 == meRasterOp )
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mpGraphics->SetROPLineColor( SalROPColor::N1 );
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else if( RasterOp::Invert == meRasterOp )
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mpGraphics->SetROPLineColor( SalROPColor::Invert );
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else
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mpGraphics->SetLineColor( maLineColor );
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}
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else
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{
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mpGraphics->SetLineColor();
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}
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mbInitLineColor = false;
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}
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void OutputDevice::DrawLine( const Point& rStartPt, const Point& rEndPt,
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const LineInfo& rLineInfo )
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{
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assert(!is_double_buffered_window());
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if ( rLineInfo.IsDefault() )
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{
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DrawLine( rStartPt, rEndPt );
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return;
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}
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if ( mpMetaFile )
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mpMetaFile->AddAction( new MetaLineAction( rStartPt, rEndPt, rLineInfo ) );
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if ( !IsDeviceOutputNecessary() || !mbLineColor || ( LineStyle::NONE == rLineInfo.GetStyle() ) || ImplIsRecordLayout() )
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return;
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if( !mpGraphics && !AcquireGraphics() )
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return;
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assert(mpGraphics);
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if ( mbInitClipRegion )
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InitClipRegion();
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if ( mbOutputClipped )
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return;
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const Point aStartPt( ImplLogicToDevicePixel( rStartPt ) );
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const Point aEndPt( ImplLogicToDevicePixel( rEndPt ) );
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const LineInfo aInfo( ImplLogicToDevicePixel( rLineInfo ) );
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const bool bDashUsed(LineStyle::Dash == aInfo.GetStyle());
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const bool bLineWidthUsed(aInfo.GetWidth() > 1);
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if ( mbInitLineColor )
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InitLineColor();
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if(bDashUsed || bLineWidthUsed)
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{
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basegfx::B2DPolygon aLinePolygon;
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aLinePolygon.append(basegfx::B2DPoint(aStartPt.X(), aStartPt.Y()));
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aLinePolygon.append(basegfx::B2DPoint(aEndPt.X(), aEndPt.Y()));
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drawLine( basegfx::B2DPolyPolygon(aLinePolygon), aInfo );
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}
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else
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{
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mpGraphics->DrawLine( aStartPt.X(), aStartPt.Y(), aEndPt.X(), aEndPt.Y(), *this );
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}
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if( mpAlphaVDev )
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mpAlphaVDev->DrawLine( rStartPt, rEndPt, rLineInfo );
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}
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void OutputDevice::DrawLine( const Point& rStartPt, const Point& rEndPt )
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{
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assert(!is_double_buffered_window());
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if ( mpMetaFile )
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mpMetaFile->AddAction( new MetaLineAction( rStartPt, rEndPt ) );
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if ( !IsDeviceOutputNecessary() || !mbLineColor || ImplIsRecordLayout() )
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return;
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if ( !mpGraphics && !AcquireGraphics() )
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return;
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assert(mpGraphics);
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if ( mbInitClipRegion )
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InitClipRegion();
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if ( mbOutputClipped )
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return;
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if ( mbInitLineColor )
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InitLineColor();
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bool bDrawn = false;
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// #i101598# support AA and snap for lines, too
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if( mpGraphics->supportsOperation(OutDevSupportType::B2DDraw)
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&& RasterOp::OverPaint == GetRasterOp()
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&& IsLineColor())
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{
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// at least transform with double precision to device coordinates; this will
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// avoid pixel snap of single, appended lines
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const basegfx::B2DHomMatrix aTransform(ImplGetDeviceTransformation());
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basegfx::B2DPolygon aB2DPolyLine;
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aB2DPolyLine.append(basegfx::B2DPoint(rStartPt.X(), rStartPt.Y()));
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aB2DPolyLine.append(basegfx::B2DPoint(rEndPt.X(), rEndPt.Y()));
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aB2DPolyLine.transform( aTransform );
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const bool bPixelSnapHairline(mnAntialiasing & AntialiasingFlags::PixelSnapHairline);
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bDrawn = mpGraphics->DrawPolyLine(
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basegfx::B2DHomMatrix(),
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aB2DPolyLine,
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0.0,
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0.0, // tdf#124848 hairline
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nullptr, // MM01
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basegfx::B2DLineJoin::NONE,
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css::drawing::LineCap_BUTT,
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basegfx::deg2rad(15.0), // not used with B2DLineJoin::NONE, but the correct default
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bPixelSnapHairline,
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*this);
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}
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if(!bDrawn)
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{
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const Point aStartPt(ImplLogicToDevicePixel(rStartPt));
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const Point aEndPt(ImplLogicToDevicePixel(rEndPt));
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mpGraphics->DrawLine( aStartPt.X(), aStartPt.Y(), aEndPt.X(), aEndPt.Y(), *this );
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}
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if( mpAlphaVDev )
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mpAlphaVDev->DrawLine( rStartPt, rEndPt );
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}
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void OutputDevice::drawLine( basegfx::B2DPolyPolygon aLinePolyPolygon, const LineInfo& rInfo )
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{
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const bool bTryB2d(mpGraphics->supportsOperation(OutDevSupportType::B2DDraw)
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&& RasterOp::OverPaint == GetRasterOp()
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&& IsLineColor());
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basegfx::B2DPolyPolygon aFillPolyPolygon;
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const bool bDashUsed(LineStyle::Dash == rInfo.GetStyle());
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const bool bLineWidthUsed(rInfo.GetWidth() > 1);
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if(bDashUsed && aLinePolyPolygon.count())
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{
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::std::vector< double > fDotDashArray = rInfo.GetDotDashArray();
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const double fAccumulated(::std::accumulate(fDotDashArray.begin(), fDotDashArray.end(), 0.0));
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if(fAccumulated > 0.0)
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{
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basegfx::B2DPolyPolygon aResult;
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for(auto const& rPolygon : std::as_const(aLinePolyPolygon))
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{
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basegfx::B2DPolyPolygon aLineTarget;
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basegfx::utils::applyLineDashing(
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rPolygon,
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fDotDashArray,
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&aLineTarget);
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aResult.append(aLineTarget);
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}
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aLinePolyPolygon = aResult;
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}
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}
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if(bLineWidthUsed && aLinePolyPolygon.count())
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{
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const double fHalfLineWidth((rInfo.GetWidth() * 0.5) + 0.5);
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if(aLinePolyPolygon.areControlPointsUsed())
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{
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// #i110768# When area geometry has to be created, do not
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// use the fallback bezier decomposition inside createAreaGeometry,
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// but one that is at least as good as ImplSubdivideBezier was.
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// There, Polygon::AdaptiveSubdivide was used with default parameter
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// 1.0 as quality index.
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aLinePolyPolygon = basegfx::utils::adaptiveSubdivideByDistance(aLinePolyPolygon, 1.0);
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}
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for(auto const& rPolygon : std::as_const(aLinePolyPolygon))
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{
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aFillPolyPolygon.append(basegfx::utils::createAreaGeometry(
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rPolygon,
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fHalfLineWidth,
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rInfo.GetLineJoin(),
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rInfo.GetLineCap()));
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}
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aLinePolyPolygon.clear();
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}
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GDIMetaFile* pOldMetaFile = mpMetaFile;
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mpMetaFile = nullptr;
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if(aLinePolyPolygon.count())
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{
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for(auto const& rB2DPolygon : std::as_const(aLinePolyPolygon))
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{
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const bool bPixelSnapHairline(mnAntialiasing & AntialiasingFlags::PixelSnapHairline);
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bool bDone(false);
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if(bTryB2d)
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{
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bDone = mpGraphics->DrawPolyLine(
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basegfx::B2DHomMatrix(),
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rB2DPolygon,
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0.0,
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0.0, // tdf#124848 hairline
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nullptr, // MM01
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basegfx::B2DLineJoin::NONE,
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css::drawing::LineCap_BUTT,
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basegfx::deg2rad(15.0), // not used with B2DLineJoin::NONE, but the correct default
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bPixelSnapHairline,
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*this);
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}
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if(!bDone)
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{
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tools::Polygon aPolygon(rB2DPolygon);
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mpGraphics->DrawPolyLine(
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aPolygon.GetSize(),
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aPolygon.GetPointAry(),
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*this);
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}
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}
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}
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if(aFillPolyPolygon.count())
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{
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const Color aOldLineColor( maLineColor );
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const Color aOldFillColor( maFillColor );
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SetLineColor();
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InitLineColor();
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SetFillColor( aOldLineColor );
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InitFillColor();
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bool bDone(false);
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if(bTryB2d)
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{
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bDone = mpGraphics->DrawPolyPolygon(
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basegfx::B2DHomMatrix(),
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aFillPolyPolygon,
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0.0,
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*this);
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}
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if(!bDone)
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{
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for(auto const& rB2DPolygon : std::as_const(aFillPolyPolygon))
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{
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tools::Polygon aPolygon(rB2DPolygon);
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// need to subdivide, mpGraphics->DrawPolygon ignores curves
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aPolygon.AdaptiveSubdivide(aPolygon);
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mpGraphics->DrawPolygon(aPolygon.GetSize(), aPolygon.GetConstPointAry(), *this);
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}
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}
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SetFillColor( aOldFillColor );
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SetLineColor( aOldLineColor );
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}
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mpMetaFile = pOldMetaFile;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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