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243 lines
8.1 KiB
243 lines
8.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2002 Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <tqcheckbox.h>
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#include <tqimage.h>
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqlineedit.h>
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#include <tqpaintdevice.h>
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#include <tqrect.h>
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#include <tqvbuttongroup.h>
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#include <tqwidget.h>
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#include <tdeapplication.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kformulacontainer.h>
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#include <kformuladocument.h>
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#include <kformulamimesource.h>
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#include "pngexportdia.h"
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#include <knuminput.h>
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PNGExportDia::PNGExportDia( const TQDomDocument &dom, const TQString &outFile, TQWidget *parent, const char *name )
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: KDialogBase( parent, name, true, i18n("PNG Export Filter Parameters" ), Ok|Cancel ),
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_fileOut( outFile )
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{
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kapp->restoreOverrideCursor();
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wrapper = new KFormula::DocumentWrapper( kapp->config(), 0 );
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KFormula::Document* doc = new KFormula::Document;
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wrapper->document( doc );
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formula = doc->createFormula();
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if ( !doc->loadXML( dom ) ) {
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kdError() << "Failed." << endl;
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}
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setupGUI();
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TQRect rect = formula->boundingRect();
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realWidth = rect.width();
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realHeight = rect.height();
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widthEdit->setValue( realWidth );
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heightEdit->setValue( realHeight );
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percWidthEdit->setValue( 100 );
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percHeightEdit->setValue( 100 );
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connectAll();
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connect( proportional, TQT_SIGNAL( clicked() ),
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this, TQT_SLOT( proportionalClicked() ) );
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}
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PNGExportDia::~PNGExportDia()
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{
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delete wrapper;
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}
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void PNGExportDia::connectAll()
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{
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connect( widthEdit, TQT_SIGNAL( valueChanged(int) ),
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this, TQT_SLOT( widthChanged( int ) ) );
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connect( heightEdit, TQT_SIGNAL( valueChanged(int) ),
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this, TQT_SLOT( heightChanged( int ) ) );
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connect( percWidthEdit, TQT_SIGNAL( valueChanged(double) ),
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this, TQT_SLOT( percentWidthChanged( double ) ) );
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connect( percHeightEdit, TQT_SIGNAL( valueChanged(double) ),
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this, TQT_SLOT( percentHeightChanged(double ) ) );
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}
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void PNGExportDia::disconnectAll()
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{
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disconnect( widthEdit, TQT_SIGNAL( valueChanged(int) ),
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this, TQT_SLOT( widthChanged( int ) ) );
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disconnect( heightEdit, TQT_SIGNAL( valueChanged(int) ),
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this, TQT_SLOT( heightChanged( int ) ) );
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disconnect( percWidthEdit, TQT_SIGNAL( valueChanged(double) ),
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this, TQT_SLOT( percentWidthChanged( double ) ) );
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disconnect( percHeightEdit, TQT_SIGNAL( valueChanged(double) ),
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this, TQT_SLOT( percentHeightChanged(double ) ) );
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}
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void PNGExportDia::widthChanged( int width )
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{
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disconnectAll();
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width = TQMIN( width, realWidth*10 );
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width = TQMAX( width, realWidth/10 );
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double percent = 100.*static_cast<double>( width )/static_cast<double>( realWidth );
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percWidthEdit->setValue( percent );
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if ( proportional->isChecked() ) {
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percHeightEdit->setValue( percent );
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int height = static_cast<int>( realHeight*percent/100. );
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heightEdit->setValue( height );
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}
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connectAll();
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}
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void PNGExportDia::heightChanged( int height )
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{
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disconnectAll();
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height = TQMIN( height, realHeight*10 );
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height = TQMAX( height, realHeight/10 );
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double percent = 100.*static_cast<double>( height )/static_cast<double>( realHeight );
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percHeightEdit->setValue( percent );
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if ( proportional->isChecked() ) {
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percWidthEdit->setValue( percent );
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int width = static_cast<int>( realWidth*percent/100. );
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widthEdit->setValue( width );
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}
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connectAll();
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}
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void PNGExportDia::percentWidthChanged( double percent )
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{
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disconnectAll();
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percent = TQMIN( percent, 1000 );
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percent = TQMAX( percent, 10 );
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int width = static_cast<int>( realWidth*percent/100. );
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widthEdit->setValue( width );
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if ( proportional->isChecked() ) {
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int height = static_cast<int>( realHeight*percent/100. );
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heightEdit->setValue( height );
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percHeightEdit->setValue( percent );
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}
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connectAll();
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}
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void PNGExportDia::percentHeightChanged( double percent )
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{
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disconnectAll();
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percent = TQMIN( percent, 1000 );
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percent = TQMAX( percent, 10 );
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if ( proportional->isChecked() ) {
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int width = static_cast<int>( realWidth*percent/100. );
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widthEdit->setValue( width );
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percWidthEdit->setValue( percent );
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}
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int height = static_cast<int>( realHeight*percent/100. );
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heightEdit->setValue( height );
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connectAll();
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}
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void PNGExportDia::proportionalClicked()
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{
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if ( proportional->isChecked() ) {
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disconnectAll();
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int width = widthEdit->value( );
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width = TQMIN( width, realWidth*10 );
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width = TQMAX( width, realWidth/10 );
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double percent = 100.*static_cast<double>( width )/static_cast<double>( realWidth );
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percHeightEdit->setValue( percent );
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int height = static_cast<int>( realHeight*percent/100. );
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heightEdit->setValue( height );
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connectAll();
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}
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}
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void PNGExportDia::setupGUI()
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{
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TQWidget *page = new TQWidget( this );
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setMainWidget(page);
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TQBoxLayout* mainLayout = new TQVBoxLayout( page, KDialog::marginHint(), KDialog::spacingHint() );
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proportional = new TQCheckBox( page, "proportional" );
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proportional->setText( i18n( "Keep ratio" ) );
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proportional->setChecked( true );
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mainLayout->addWidget( proportional );
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TQLabel* height = new TQLabel( page, "Height" );
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height->setText( i18n( "Height" ) );
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widthEdit = new KIntNumInput( page, "widthEdit" );
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TQLabel* width = new TQLabel( page, "Width" );
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width->setText( i18n( "Width" ) );
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heightEdit = new KIntNumInput( page, "heightEdit" );
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TQGridLayout* layout1 = new TQGridLayout;
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layout1->addWidget( height, 1, 0 );
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layout1->addWidget( widthEdit, 0, 1 );
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layout1->addWidget( width, 0, 0 );
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layout1->addWidget( heightEdit, 1, 1 );
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mainLayout->addLayout( layout1 );
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TQLabel* percentHeight = new TQLabel( page, "PercentHeight" );
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percentHeight->setText( i18n( "Height (%)" ) );
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TQLabel* percentWidth = new TQLabel( page, "PercentWidth" );
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percentWidth->setText( i18n( "Width (%)" ) );
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percWidthEdit = new KDoubleNumInput( page, "percWidthEdit" );
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percHeightEdit = new KDoubleNumInput( page, "percHeightEdit" );
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TQGridLayout* layout2 = new TQGridLayout;
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layout2->addWidget( percWidthEdit, 0, 1 );
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layout2->addWidget( percHeightEdit, 1, 1 );
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layout2->addWidget( percentHeight, 1, 0 );
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layout2->addWidget( percentWidth, 0, 0 );
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mainLayout->addLayout( layout2 );
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/* Display the main layout */
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mainLayout->addStretch( 5 );
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mainLayout->activate();
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}
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void PNGExportDia::slotOk()
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{
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hide();
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//doc->setZoomAndResolution( 100, 600, 600 );
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//doc->setZoomAndResolution( 1000, TQPaintDevice::x11AppDpiX(), TQPaintDevice::x11AppDpiY() );
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//doc->newZoomAndResolution( false, false );
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int width = widthEdit->value();
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int height = heightEdit->value();
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// kdDebug( KFormula::DEBUGID ) << k_funcinfo
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// << "(" << width << " " << height << ")"
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// << endl;
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// width = realWidth;
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// height = realHeight;
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TQImage image = formula->drawImage( width, height );
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if ( !image.save( _fileOut, "PNG" ) ) {
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KMessageBox::error( 0, i18n( "Failed to write file." ), i18n( "PNG Export Error" ) );
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}
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reject();
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}
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#include "pngexportdia.moc"
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