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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /vcl/source/outdev/rect.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/source/outdev/rect.cxx')
-rw-r--r-- | vcl/source/outdev/rect.cxx | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/vcl/source/outdev/rect.cxx b/vcl/source/outdev/rect.cxx new file mode 100644 index 000000000..ecbeb12fb --- /dev/null +++ b/vcl/source/outdev/rect.cxx @@ -0,0 +1,415 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <cassert> + +#include <sal/types.h> + +#include <tools/poly.hxx> +#include <tools/helpers.hxx> +#include <vcl/metaact.hxx> +#include <vcl/outdev.hxx> +#include <vcl/virdev.hxx> + +#include <salgdi.hxx> + +void OutputDevice::DrawRect( const tools::Rectangle& rRect ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaRectAction( rRect ) ); + + if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() ) + return; + + tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + + if ( aRect.IsEmpty() ) + return; + + aRect.Justify(); + + if ( !mpGraphics && !AcquireGraphics() ) + return; + + if ( mbInitClipRegion ) + InitClipRegion(); + + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + if ( mbInitFillColor ) + InitFillColor(); + + mpGraphics->DrawRect( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(), this ); + + if( mpAlphaVDev ) + mpAlphaVDev->DrawRect( rRect ); +} + +void OutputDevice::DrawRect( const tools::Rectangle& rRect, + sal_uLong nHorzRound, sal_uLong nVertRound ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaRoundRectAction( rRect, nHorzRound, nVertRound ) ); + + if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() ) + return; + + const tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + + if ( aRect.IsEmpty() ) + return; + + nHorzRound = ImplLogicWidthToDevicePixel( nHorzRound ); + nVertRound = ImplLogicHeightToDevicePixel( nVertRound ); + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + + if ( mbInitClipRegion ) + InitClipRegion(); + + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + if ( mbInitFillColor ) + InitFillColor(); + + if ( !nHorzRound && !nVertRound ) + { + mpGraphics->DrawRect( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(), this ); + } + else + { + tools::Polygon aRoundRectPoly( aRect, nHorzRound, nVertRound ); + + if ( aRoundRectPoly.GetSize() >= 2 ) + { + SalPoint* pPtAry = reinterpret_cast<SalPoint*>(aRoundRectPoly.GetPointAry()); + + if ( !mbFillColor ) + mpGraphics->DrawPolyLine( aRoundRectPoly.GetSize(), pPtAry, this ); + else + mpGraphics->DrawPolygon( aRoundRectPoly.GetSize(), pPtAry, this ); + } + } + + if( mpAlphaVDev ) + mpAlphaVDev->DrawRect( rRect, nHorzRound, nVertRound ); +} + +void OutputDevice::Invert( const tools::Rectangle& rRect, InvertFlags nFlags ) +{ + assert(!is_double_buffered_window()); + if ( !IsDeviceOutputNecessary() ) + return; + + tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + + if ( aRect.IsEmpty() ) + return; + aRect.Justify(); + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + + if ( mbInitClipRegion ) + InitClipRegion(); + + if ( mbOutputClipped ) + return; + + SalInvert nSalFlags = SalInvert::NONE; + if ( nFlags & InvertFlags::N50 ) + nSalFlags |= SalInvert::N50; + if ( nFlags & InvertFlags::TrackFrame ) + nSalFlags |= SalInvert::TrackFrame; + mpGraphics->Invert( aRect.Left(), aRect.Top(), aRect.GetWidth(), aRect.GetHeight(), nSalFlags, this ); +} + +void OutputDevice::Invert( const tools::Polygon& rPoly, InvertFlags nFlags ) +{ + assert(!is_double_buffered_window()); + if ( !IsDeviceOutputNecessary() ) + return; + + sal_uInt16 nPoints = rPoly.GetSize(); + + if ( nPoints < 2 ) + return; + + tools::Polygon aPoly( ImplLogicToDevicePixel( rPoly ) ); + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + + if ( mbInitClipRegion ) + InitClipRegion(); + + if ( mbOutputClipped ) + return; + + SalInvert nSalFlags = SalInvert::NONE; + if ( nFlags & InvertFlags::N50 ) + nSalFlags |= SalInvert::N50; + if ( nFlags & InvertFlags::TrackFrame ) + nSalFlags |= SalInvert::TrackFrame; + const SalPoint* pPtAry = reinterpret_cast<const SalPoint*>(aPoly.GetConstPointAry()); + mpGraphics->Invert( nPoints, pPtAry, nSalFlags, this ); +} + +void OutputDevice::DrawCheckered(const Point& rPos, const Size& rSize, sal_uInt32 nLen, Color aStart, Color aEnd) +{ + assert(!is_double_buffered_window()); + + const sal_uInt32 nMaxX(rPos.X() + rSize.Width()); + const sal_uInt32 nMaxY(rPos.Y() + rSize.Height()); + + Push(PushFlags::LINECOLOR|PushFlags::FILLCOLOR); + SetLineColor(); + + for(sal_uInt32 x(0), nX(rPos.X()); nX < nMaxX; x++, nX += nLen) + { + const sal_uInt32 nRight(std::min(nMaxX, nX + nLen)); + + for(sal_uInt32 y(0), nY(rPos.Y()); nY < nMaxY; y++, nY += nLen) + { + const sal_uInt32 nBottom(std::min(nMaxY, nY + nLen)); + + SetFillColor(((x & 0x0001) ^ (y & 0x0001)) ? aStart : aEnd); + DrawRect(tools::Rectangle(nX, nY, nRight, nBottom)); + } + } + + Pop(); +} + +void OutputDevice::DrawGrid( const tools::Rectangle& rRect, const Size& rDist, DrawGridFlags nFlags ) +{ + assert(!is_double_buffered_window()); + + tools::Rectangle aDstRect( PixelToLogic( Point() ), GetOutputSize() ); + aDstRect.Intersection( rRect ); + + if( aDstRect.IsEmpty() || ImplIsRecordLayout() ) + return; + + if( !mpGraphics && !AcquireGraphics() ) + return; + + if( mbInitClipRegion ) + InitClipRegion(); + + if( mbOutputClipped ) + return; + + const long nDistX = std::max( rDist.Width(), 1L ); + const long nDistY = std::max( rDist.Height(), 1L ); + long nX = ( rRect.Left() >= aDstRect.Left() ) ? rRect.Left() : ( rRect.Left() + ( ( aDstRect.Left() - rRect.Left() ) / nDistX ) * nDistX ); + long nY = ( rRect.Top() >= aDstRect.Top() ) ? rRect.Top() : ( rRect.Top() + ( ( aDstRect.Top() - rRect.Top() ) / nDistY ) * nDistY ); + const long nRight = aDstRect.Right(); + const long nBottom = aDstRect.Bottom(); + const long nStartX = ImplLogicXToDevicePixel( nX ); + const long nEndX = ImplLogicXToDevicePixel( nRight ); + const long nStartY = ImplLogicYToDevicePixel( nY ); + const long nEndY = ImplLogicYToDevicePixel( nBottom ); + long nHorzCount = 0; + long nVertCount = 0; + + std::vector< sal_Int32 > aVertBuf; + std::vector< sal_Int32 > aHorzBuf; + + if( ( nFlags & DrawGridFlags::Dots ) || ( nFlags & DrawGridFlags::HorzLines ) ) + { + aVertBuf.resize( aDstRect.GetHeight() / nDistY + 2 ); + aVertBuf[ nVertCount++ ] = nStartY; + while( ( nY += nDistY ) <= nBottom ) + { + aVertBuf[ nVertCount++ ] = ImplLogicYToDevicePixel( nY ); + } + } + + if( ( nFlags & DrawGridFlags::Dots ) || ( nFlags & DrawGridFlags::VertLines ) ) + { + aHorzBuf.resize( aDstRect.GetWidth() / nDistX + 2 ); + aHorzBuf[ nHorzCount++ ] = nStartX; + while( ( nX += nDistX ) <= nRight ) + { + aHorzBuf[ nHorzCount++ ] = ImplLogicXToDevicePixel( nX ); + } + } + + if( mbInitLineColor ) + InitLineColor(); + + if( mbInitFillColor ) + InitFillColor(); + + const bool bOldMap = mbMap; + EnableMapMode( false ); + + if( nFlags & DrawGridFlags::Dots ) + { + for( long i = 0; i < nVertCount; i++ ) + { + for( long j = 0, Y = aVertBuf[ i ]; j < nHorzCount; j++ ) + { + mpGraphics->DrawPixel( aHorzBuf[ j ], Y, this ); + } + } + } + else + { + if( nFlags & DrawGridFlags::HorzLines ) + { + for( long i = 0; i < nVertCount; i++ ) + { + nY = aVertBuf[ i ]; + mpGraphics->DrawLine( nStartX, nY, nEndX, nY, this ); + } + } + + if( nFlags & DrawGridFlags::VertLines ) + { + for( long i = 0; i < nHorzCount; i++ ) + { + nX = aHorzBuf[ i ]; + mpGraphics->DrawLine( nX, nStartY, nX, nEndY, this ); + } + } + } + + EnableMapMode( bOldMap ); + + if( mpAlphaVDev ) + mpAlphaVDev->DrawGrid( rRect, rDist, nFlags ); +} + +BmpMirrorFlags AdjustTwoRect( SalTwoRect& rTwoRect, const Size& rSizePix ) +{ + BmpMirrorFlags nMirrFlags = BmpMirrorFlags::NONE; + + if ( rTwoRect.mnDestWidth < 0 ) + { + rTwoRect.mnSrcX = rSizePix.Width() - rTwoRect.mnSrcX - rTwoRect.mnSrcWidth; + rTwoRect.mnDestWidth = -rTwoRect.mnDestWidth; + rTwoRect.mnDestX -= rTwoRect.mnDestWidth-1; + nMirrFlags |= BmpMirrorFlags::Horizontal; + } + + if ( rTwoRect.mnDestHeight < 0 ) + { + rTwoRect.mnSrcY = rSizePix.Height() - rTwoRect.mnSrcY - rTwoRect.mnSrcHeight; + rTwoRect.mnDestHeight = -rTwoRect.mnDestHeight; + rTwoRect.mnDestY -= rTwoRect.mnDestHeight-1; + nMirrFlags |= BmpMirrorFlags::Vertical; + } + + if( ( rTwoRect.mnSrcX < 0 ) || ( rTwoRect.mnSrcX >= rSizePix.Width() ) || + ( rTwoRect.mnSrcY < 0 ) || ( rTwoRect.mnSrcY >= rSizePix.Height() ) || + ( ( rTwoRect.mnSrcX + rTwoRect.mnSrcWidth ) > rSizePix.Width() ) || + ( ( rTwoRect.mnSrcY + rTwoRect.mnSrcHeight ) > rSizePix.Height() ) ) + { + const tools::Rectangle aSourceRect( Point( rTwoRect.mnSrcX, rTwoRect.mnSrcY ), + Size( rTwoRect.mnSrcWidth, rTwoRect.mnSrcHeight ) ); + tools::Rectangle aCropRect( aSourceRect ); + + aCropRect.Intersection( tools::Rectangle( Point(), rSizePix ) ); + + if( aCropRect.IsEmpty() ) + { + rTwoRect.mnSrcWidth = rTwoRect.mnSrcHeight = rTwoRect.mnDestWidth = rTwoRect.mnDestHeight = 0; + } + else + { + const double fFactorX = ( rTwoRect.mnSrcWidth > 1 ) ? static_cast<double>( rTwoRect.mnDestWidth - 1 ) / ( rTwoRect.mnSrcWidth - 1 ) : 0.0; + const double fFactorY = ( rTwoRect.mnSrcHeight > 1 ) ? static_cast<double>( rTwoRect.mnDestHeight - 1 ) / ( rTwoRect.mnSrcHeight - 1 ) : 0.0; + + const long nDstX1 = rTwoRect.mnDestX + FRound( fFactorX * ( aCropRect.Left() - rTwoRect.mnSrcX ) ); + const long nDstY1 = rTwoRect.mnDestY + FRound( fFactorY * ( aCropRect.Top() - rTwoRect.mnSrcY ) ); + const long nDstX2 = rTwoRect.mnDestX + FRound( fFactorX * ( aCropRect.Right() - rTwoRect.mnSrcX ) ); + const long nDstY2 = rTwoRect.mnDestY + FRound( fFactorY * ( aCropRect.Bottom() - rTwoRect.mnSrcY ) ); + + rTwoRect.mnSrcX = aCropRect.Left(); + rTwoRect.mnSrcY = aCropRect.Top(); + rTwoRect.mnSrcWidth = aCropRect.GetWidth(); + rTwoRect.mnSrcHeight = aCropRect.GetHeight(); + rTwoRect.mnDestX = nDstX1; + rTwoRect.mnDestY = nDstY1; + rTwoRect.mnDestWidth = nDstX2 - nDstX1 + 1; + rTwoRect.mnDestHeight = nDstY2 - nDstY1 + 1; + } + } + + return nMirrFlags; +} + +void AdjustTwoRect( SalTwoRect& rTwoRect, const tools::Rectangle& rValidSrcRect ) +{ + if( ( rTwoRect.mnSrcX < rValidSrcRect.Left() ) || ( rTwoRect.mnSrcX >= rValidSrcRect.Right() ) || + ( rTwoRect.mnSrcY < rValidSrcRect.Top() ) || ( rTwoRect.mnSrcY >= rValidSrcRect.Bottom() ) || + ( ( rTwoRect.mnSrcX + rTwoRect.mnSrcWidth ) > rValidSrcRect.Right() ) || + ( ( rTwoRect.mnSrcY + rTwoRect.mnSrcHeight ) > rValidSrcRect.Bottom() ) ) + { + const tools::Rectangle aSourceRect( Point( rTwoRect.mnSrcX, rTwoRect.mnSrcY ), + Size( rTwoRect.mnSrcWidth, rTwoRect.mnSrcHeight ) ); + tools::Rectangle aCropRect( aSourceRect ); + + aCropRect.Intersection( rValidSrcRect ); + + if( aCropRect.IsEmpty() ) + { + rTwoRect.mnSrcWidth = rTwoRect.mnSrcHeight = rTwoRect.mnDestWidth = rTwoRect.mnDestHeight = 0; + } + else + { + const double fFactorX = ( rTwoRect.mnSrcWidth > 1 ) ? static_cast<double>( rTwoRect.mnDestWidth - 1 ) / ( rTwoRect.mnSrcWidth - 1 ) : 0.0; + const double fFactorY = ( rTwoRect.mnSrcHeight > 1 ) ? static_cast<double>( rTwoRect.mnDestHeight - 1 ) / ( rTwoRect.mnSrcHeight - 1 ) : 0.0; + + const long nDstX1 = rTwoRect.mnDestX + FRound( fFactorX * ( aCropRect.Left() - rTwoRect.mnSrcX ) ); + const long nDstY1 = rTwoRect.mnDestY + FRound( fFactorY * ( aCropRect.Top() - rTwoRect.mnSrcY ) ); + const long nDstX2 = rTwoRect.mnDestX + FRound( fFactorX * ( aCropRect.Right() - rTwoRect.mnSrcX ) ); + const long nDstY2 = rTwoRect.mnDestY + FRound( fFactorY * ( aCropRect.Bottom() - rTwoRect.mnSrcY ) ); + + rTwoRect.mnSrcX = aCropRect.Left(); + rTwoRect.mnSrcY = aCropRect.Top(); + rTwoRect.mnSrcWidth = aCropRect.GetWidth(); + rTwoRect.mnSrcHeight = aCropRect.GetHeight(); + rTwoRect.mnDestX = nDstX1; + rTwoRect.mnDestY = nDstY1; + rTwoRect.mnDestWidth = nDstX2 - nDstX1 + 1; + rTwoRect.mnDestHeight = nDstY2 - nDstY1 + 1; + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |