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Diffstat (limited to '')
| -rw-r--r-- | sd/source/ui/dlg/vectdlg.cxx | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/sd/source/ui/dlg/vectdlg.cxx b/sd/source/ui/dlg/vectdlg.cxx new file mode 100644 index 000000000..2db041e7e --- /dev/null +++ b/sd/source/ui/dlg/vectdlg.cxx @@ -0,0 +1,336 @@ +/* -*- 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 <vcl/vclenum.hxx> +#include <vcl/BitmapReadAccess.hxx> +#include <vcl/metaact.hxx> +#include <vcl/BitmapSimpleColorQuantizationFilter.hxx> +#include <vcl/svapp.hxx> + +#include <DrawDocShell.hxx> +#include <sdmod.hxx> +#include <sdiocmpt.hxx> +#include <vectdlg.hxx> + +#define VECTORIZE_MAX_EXTENT 512 + +SdVectorizeDlg::SdVectorizeDlg(weld::Window* pParent, const Bitmap& rBmp, ::sd::DrawDocShell* pDocShell) + : GenericDialogController(pParent, "modules/sdraw/ui/vectorize.ui", "VectorizeDialog") + , m_pDocSh(pDocShell) + , aBmp(rBmp) + , m_aBmpWin(m_xDialog.get()) + , m_aMtfWin(m_xDialog.get()) + , m_xNmLayers(m_xBuilder->weld_spin_button("colors")) + , m_xMtReduce(m_xBuilder->weld_metric_spin_button("points", FieldUnit::PIXEL)) + , m_xFtFillHoles(m_xBuilder->weld_label("tilesft")) + , m_xMtFillHoles(m_xBuilder->weld_metric_spin_button("tiles", FieldUnit::PIXEL)) + , m_xCbFillHoles(m_xBuilder->weld_check_button("fillholes")) + , m_xBmpWin(new weld::CustomWeld(*m_xBuilder, "source", m_aBmpWin)) + , m_xMtfWin(new weld::CustomWeld(*m_xBuilder, "vectorized", m_aMtfWin)) + , m_xPrgs(m_xBuilder->weld_progress_bar("progressbar")) + , m_xBtnOK(m_xBuilder->weld_button("ok")) + , m_xBtnPreview(m_xBuilder->weld_button("preview")) +{ + const int nWidth = m_xFtFillHoles->get_approximate_digit_width() * 32; + const int nHeight = m_xFtFillHoles->get_text_height() * 16; + m_xBmpWin->set_size_request(nWidth, nHeight); + m_xMtfWin->set_size_request(nWidth, nHeight); + + m_xBtnPreview->connect_clicked( LINK( this, SdVectorizeDlg, ClickPreviewHdl ) ); + m_xBtnOK->connect_clicked( LINK( this, SdVectorizeDlg, ClickOKHdl ) ); + m_xNmLayers->connect_value_changed( LINK( this, SdVectorizeDlg, ModifyHdl ) ); + m_xMtReduce->connect_value_changed( LINK( this, SdVectorizeDlg, MetricModifyHdl ) ); + m_xMtFillHoles->connect_value_changed( LINK( this, SdVectorizeDlg, MetricModifyHdl ) ); + m_xCbFillHoles->connect_toggled( LINK( this, SdVectorizeDlg, ToggleHdl ) ); + + LoadSettings(); + InitPreviewBmp(); +} + +SdVectorizeDlg::~SdVectorizeDlg() +{ +} + +::tools::Rectangle SdVectorizeDlg::GetRect( const Size& rDispSize, const Size& rBmpSize ) +{ + ::tools::Rectangle aRect; + + if( rBmpSize.Width() && rBmpSize.Height() && rDispSize.Width() && rDispSize.Height() ) + { + Size aBmpSize( rBmpSize ); + const double fGrfWH = static_cast<double>(aBmpSize.Width()) / aBmpSize.Height(); + const double fWinWH = static_cast<double>(rDispSize.Width()) / rDispSize.Height(); + + if( fGrfWH < fWinWH ) + { + aBmpSize.setWidth( static_cast<tools::Long>( rDispSize.Height() * fGrfWH ) ); + aBmpSize.setHeight( rDispSize.Height() ); + } + else + { + aBmpSize.setWidth( rDispSize.Width() ); + aBmpSize.setHeight( static_cast<tools::Long>( rDispSize.Width() / fGrfWH) ); + } + + const Point aBmpPos( ( rDispSize.Width() - aBmpSize.Width() ) >> 1, + ( rDispSize.Height() - aBmpSize.Height() ) >> 1 ); + + aRect = ::tools::Rectangle( aBmpPos, aBmpSize ); + } + + return aRect; +} + +void SdVectorizeDlg::InitPreviewBmp() +{ + const ::tools::Rectangle aRect( GetRect( m_aBmpWin.GetOutputSizePixel(), aBmp.GetSizePixel() ) ); + + aPreviewBmp = aBmp; + aPreviewBmp.Scale( aRect.GetSize() ); + m_aBmpWin.SetGraphic(BitmapEx(aPreviewBmp)); +} + +Bitmap SdVectorizeDlg::GetPreparedBitmap( Bitmap const & rBmp, Fraction& rScale ) +{ + Bitmap aNew( rBmp ); + const Size aSizePix( aNew.GetSizePixel() ); + + if( aSizePix.Width() > VECTORIZE_MAX_EXTENT || aSizePix.Height() > VECTORIZE_MAX_EXTENT ) + { + const ::tools::Rectangle aRect( GetRect( Size( VECTORIZE_MAX_EXTENT, VECTORIZE_MAX_EXTENT ), aSizePix ) ); + rScale = Fraction( aSizePix.Width(), aRect.GetWidth() ); + aNew.Scale( aRect.GetSize() ); + } + else + rScale = Fraction( 1, 1 ); + + BitmapEx aNewBmpEx(aNew); + BitmapFilter::Filter(aNewBmpEx, BitmapSimpleColorQuantizationFilter(m_xNmLayers->get_value())); + aNew = aNewBmpEx.GetBitmap(); + + return aNew; +} + +void SdVectorizeDlg::Calculate( Bitmap const & rBmp, GDIMetaFile& rMtf ) +{ + m_pDocSh->SetWaitCursor( true ); + m_xPrgs->set_percentage(0); + + Fraction aScale; + Bitmap aTmp( GetPreparedBitmap( rBmp, aScale ) ); + + if( !aTmp.IsEmpty() ) + { + const Link<::tools::Long,void> aPrgsHdl( LINK( this, SdVectorizeDlg, ProgressHdl ) ); + aTmp.Vectorize( rMtf, static_cast<sal_uInt8>(m_xMtReduce->get_value(FieldUnit::NONE)), &aPrgsHdl ); + + if (m_xCbFillHoles->get_active()) + { + GDIMetaFile aNewMtf; + Bitmap::ScopedReadAccess pRAcc(aTmp); + + if( pRAcc ) + { + const tools::Long nWidth = pRAcc->Width(); + const tools::Long nHeight = pRAcc->Height(); + const tools::Long nTileX = m_xMtFillHoles->get_value(FieldUnit::NONE); + const tools::Long nTileY = m_xMtFillHoles->get_value(FieldUnit::NONE); + assert(nTileX && "div-by-zero"); + const tools::Long nCountX = nWidth / nTileX; + assert(nTileY && "div-by-zero"); + const tools::Long nCountY = nHeight / nTileY; + const tools::Long nRestX = nWidth % nTileX; + const tools::Long nRestY = nHeight % nTileY; + + MapMode aMap( rMtf.GetPrefMapMode() ); + aNewMtf.SetPrefSize( rMtf.GetPrefSize() ); + aNewMtf.SetPrefMapMode( aMap ); + + for( tools::Long nTY = 0; nTY < nCountY; nTY++ ) + { + const tools::Long nY = nTY * nTileY; + + for( tools::Long nTX = 0; nTX < nCountX; nTX++ ) + AddTile( pRAcc.get(), aNewMtf, nTX * nTileX, nTY * nTileY, nTileX, nTileY ); + + if( nRestX ) + AddTile( pRAcc.get(), aNewMtf, nCountX * nTileX, nY, nRestX, nTileY ); + } + + if( nRestY ) + { + const tools::Long nY = nCountY * nTileY; + + for( tools::Long nTX = 0; nTX < nCountX; nTX++ ) + AddTile( pRAcc.get(), aNewMtf, nTX * nTileX, nY, nTileX, nRestY ); + + if( nRestX ) + AddTile( pRAcc.get(), aNewMtf, nCountX * nTileX, nCountY * nTileY, nRestX, nRestY ); + } + + pRAcc.reset(); + + for( size_t n = 0, nCount = rMtf.GetActionSize(); n < nCount; n++ ) + aNewMtf.AddAction( rMtf.GetAction( n )->Clone() ); + + aMap.SetScaleX( aMap.GetScaleX() * aScale ); + aMap.SetScaleY( aMap.GetScaleY() * aScale ); + aNewMtf.SetPrefMapMode( aMap ); + rMtf = aNewMtf; + } + } + } + + m_xPrgs->set_percentage(0); + m_pDocSh->SetWaitCursor( false ); +} + +void SdVectorizeDlg::AddTile( BitmapReadAccess const * pRAcc, GDIMetaFile& rMtf, + tools::Long nPosX, tools::Long nPosY, tools::Long nWidth, tools::Long nHeight ) +{ + sal_uLong nSumR = 0, nSumG = 0, nSumB = 0; + const tools::Long nRight = nPosX + nWidth - 1; + const tools::Long nBottom = nPosY + nHeight - 1; + const double fMult = 1.0 / ( nWidth * nHeight ); + + for( tools::Long nY = nPosY; nY <= nBottom; nY++ ) + { + for( tools::Long nX = nPosX; nX <= nRight; nX++ ) + { + const BitmapColor aPixel( pRAcc->GetColor( nY, nX ) ); + + nSumR += aPixel.GetRed(); + nSumG += aPixel.GetGreen(); + nSumB += aPixel.GetBlue(); + } + } + + const Color aColor( static_cast<sal_uInt8>(FRound( nSumR * fMult )), + static_cast<sal_uInt8>(FRound( nSumG * fMult )), + static_cast<sal_uInt8>(FRound( nSumB * fMult )) ); + + ::tools::Rectangle aRect( Point( nPosX, nPosY ), Size( nWidth + 1, nHeight + 1 ) ); + const Size& rMaxSize = rMtf.GetPrefSize(); + + aRect = Application::GetDefaultDevice()->PixelToLogic(aRect, rMtf.GetPrefMapMode()); + + if( aRect.Right() > ( rMaxSize.Width() - 1 ) ) + aRect.SetRight( rMaxSize.Width() - 1 ); + + if( aRect.Bottom() > ( rMaxSize.Height() - 1 ) ) + aRect.SetBottom( rMaxSize.Height() - 1 ); + + rMtf.AddAction( new MetaLineColorAction( aColor, true ) ); + rMtf.AddAction( new MetaFillColorAction( aColor, true ) ); + rMtf.AddAction( new MetaRectAction( aRect ) ); +} + +IMPL_LINK( SdVectorizeDlg, ProgressHdl, tools::Long, nData, void ) +{ + m_xPrgs->set_percentage(nData); +} + +IMPL_LINK_NOARG(SdVectorizeDlg, ClickPreviewHdl, weld::Button&, void) +{ + Calculate( aBmp, aMtf ); + m_aMtfWin.SetGraphic( aMtf ); + m_xBtnPreview->set_sensitive(false); +} + +IMPL_LINK_NOARG(SdVectorizeDlg, ClickOKHdl, weld::Button&, void) +{ + if (m_xBtnPreview->get_sensitive()) + Calculate( aBmp, aMtf ); + + SaveSettings(); + m_xDialog->response(RET_OK); +} + +IMPL_LINK( SdVectorizeDlg, ToggleHdl, weld::Toggleable&, rCb, void ) +{ + if (rCb.get_active()) + { + m_xFtFillHoles->set_sensitive(true); + m_xMtFillHoles->set_sensitive(true); + } + else + { + m_xFtFillHoles->set_sensitive(false); + m_xMtFillHoles->set_sensitive(false); + } + + m_xBtnPreview->set_sensitive(true); +} + +IMPL_LINK_NOARG(SdVectorizeDlg, ModifyHdl, weld::SpinButton&, void) +{ + m_xBtnPreview->set_sensitive(true); +} + +IMPL_LINK_NOARG(SdVectorizeDlg, MetricModifyHdl, weld::MetricSpinButton&, void) +{ + m_xBtnPreview->set_sensitive(true); +} + +void SdVectorizeDlg::LoadSettings() +{ + tools::SvRef<SotStorageStream> xIStm( SD_MOD()->GetOptionStream( + SD_OPTION_VECTORIZE , + SdOptionStreamMode::Load ) ); + sal_uInt16 nLayers; + sal_uInt16 nReduce; + sal_uInt16 nFillHoles; + bool bFillHoles; + + if( xIStm.is() ) + { + SdIOCompat aCompat( *xIStm, StreamMode::READ ); + xIStm->ReadUInt16( nLayers ).ReadUInt16( nReduce ).ReadUInt16( nFillHoles ).ReadCharAsBool( bFillHoles ); + } + else + { + nLayers = 8; + nReduce = 0; + nFillHoles = 32; + bFillHoles = false; + } + + m_xNmLayers->set_value(nLayers); + m_xMtReduce->set_value(nReduce, FieldUnit::NONE); + m_xMtFillHoles->set_value(nFillHoles, FieldUnit::NONE); + m_xCbFillHoles->set_active(bFillHoles); + + ToggleHdl(*m_xCbFillHoles); +} + +void SdVectorizeDlg::SaveSettings() const +{ + tools::SvRef<SotStorageStream> xOStm( SD_MOD()->GetOptionStream( + SD_OPTION_VECTORIZE , + SdOptionStreamMode::Store ) ); + + if( xOStm.is() ) + { + SdIOCompat aCompat( *xOStm, StreamMode::WRITE, 1 ); + xOStm->WriteUInt16( m_xNmLayers->get_value() ).WriteUInt16(m_xMtReduce->get_value(FieldUnit::NONE)); + xOStm->WriteUInt16( m_xMtFillHoles->get_value(FieldUnit::NONE) ).WriteBool(m_xCbFillHoles->get_active()); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |