krita

kis_dlg_adj_layer_props.cc

00001 /*
00002  *  Copyright (c) 2006 Boudewijn Rempt <boud@valdyas.org>
00003  *
00004  *  This program is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU General Public License
00015  *  along with this program; if not, write to the Free Software
00016  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 #include <klocale.h>
00019 
00020 #include <qgroupbox.h>
00021 #include <qlabel.h>
00022 #include <qlayout.h>
00023 
00024 #include <klineedit.h>
00025 #include <klocale.h>
00026 
00027 #include "kis_filter_config_widget.h"
00028 #include "kis_transaction.h"
00029 #include "kis_filter.h"
00030 #include "kis_filter_configuration.h"
00031 #include "kis_filters_listview.h"
00032 #include "kis_image.h"
00033 #include "kis_previewwidget.h"
00034 #include "kis_layer.h"
00035 #include "kis_adjustment_layer.h"
00036 #include "kis_paint_device.h"
00037 #include "kis_paint_layer.h"
00038 #include "kis_group_layer.h"
00039 #include "kis_dlg_adj_layer_props.h"
00040 #include "kis_filter.h"
00041 #include "kis_filter_configuration.h"
00042 
00043 KisDlgAdjLayerProps::KisDlgAdjLayerProps(KisAdjustmentLayerSP layer,
00044                                          const QString & layerName,
00045                                          const QString & caption,
00046                                          QWidget *parent,
00047                                          const char *name)
00048     : KDialogBase(parent, name, true, "", Ok | Cancel)
00049 {
00050     Q_ASSERT( layer );
00051     m_layer = layer;
00052 
00053     KisLayerSP next = layer->nextSibling();
00054     Q_ASSERT( next );
00055 
00056     m_currentConfiguration = layer->filter();
00057     m_currentFilter = KisFilterRegistry::instance()->get(m_currentConfiguration->name());
00058     if (!m_currentFilter) {
00059         kdWarning() << "No filter specified!\n";
00060     }
00061 
00062     KisPaintDeviceSP dev = 0;
00063 
00064     if( next )
00065     {
00066         KisPaintLayer * pl = dynamic_cast<KisPaintLayer*>(next.data());
00067         if (pl) {
00068             dev = pl->paintDevice();
00069         }
00070         else {
00071             KisGroupLayer * gl = dynamic_cast<KisGroupLayer*>(next.data());
00072             if (gl) {
00073                 dev = gl->projection(gl->extent());
00074             }
00075             else {
00076                 KisAdjustmentLayer * al = dynamic_cast<KisAdjustmentLayer*>(next.data());
00077                 if (al) {
00078                     dev = al->cachedPaintDevice();
00079                 }
00080             }
00081         }
00082     } else {
00083         dev = new KisPaintDevice(m_layer->image()->colorSpace());
00084     }
00085     setCaption(caption);
00086     QWidget * page = new QWidget(this, "page widget");
00087     QHBoxLayout * layout = new QHBoxLayout(page, 0, 6);
00088     setMainWidget(page);
00089 
00090     m_preview = new KisPreviewWidget(page, "dlgadjustment.preview");
00091     m_preview->slotSetDevice( dev );
00092 
00093     connect( m_preview, SIGNAL(updated()), this, SLOT(refreshPreview()));
00094     layout->addWidget(m_preview, 1, 1);
00095 
00096     QVBoxLayout *v1 = new QVBoxLayout( layout );
00097     QHBoxLayout *hl = new QHBoxLayout( v1 );
00098 
00099     QLabel * lblName = new QLabel(i18n("Layer name:"), page, "lblName");
00100     hl->addWidget(lblName, 0, 0);
00101 
00102     m_layerName = new KLineEdit(page, "m_layerName");
00103     m_layerName->setText(layerName);
00104     m_layerName->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
00105     hl->addWidget(m_layerName, 0, 1);
00106     connect( m_layerName, SIGNAL( textChanged ( const QString & ) ), this, SLOT( slotNameChanged( const QString & ) ) );
00107 
00108     if ( m_currentFilter ) {
00109         m_currentConfigWidget = m_currentFilter->createConfigurationWidget(page, dev);
00110         if (m_currentConfigWidget) {
00111             m_currentConfigWidget->setConfiguration( m_currentConfiguration );
00112         }
00113     }
00114     if ( m_currentFilter == 0 || m_currentConfigWidget == 0 ) {
00115         QLabel * labelNoConfigWidget = new QLabel( i18n("No configuration options are available for this filter"), page );
00116         v1->addWidget( labelNoConfigWidget );
00117     }
00118     else {
00119         v1->addWidget( m_currentConfigWidget );
00120         connect(m_currentConfigWidget, SIGNAL(sigPleaseUpdatePreview()), this, SLOT(slotConfigChanged()));
00121     }
00122 
00123     refreshPreview();
00124     enableButtonOK( !m_layerName->text().isEmpty() );
00125 
00126 }
00127 
00128 void KisDlgAdjLayerProps::slotNameChanged( const QString & text )
00129 {
00130     enableButtonOK( !text.isEmpty() );
00131 }
00132 
00133 KisFilterConfiguration * KisDlgAdjLayerProps::filterConfiguration() const
00134 {
00135     return m_currentFilter->configuration(m_currentConfigWidget);
00136 }
00137 
00138 QString KisDlgAdjLayerProps::layerName() const
00139 {
00140     return m_layerName->text();
00141 }
00142 
00143 void KisDlgAdjLayerProps::slotConfigChanged()
00144 {
00145     if(m_preview->getAutoUpdate())
00146     {
00147         refreshPreview();
00148     } else {
00149         m_preview->needUpdate();
00150     }
00151 }
00152 
00153 void KisDlgAdjLayerProps::refreshPreview()
00154 {
00155     if (!m_preview) {
00156         kdDebug() << "no preview!\n";
00157         return;
00158     }
00159 
00160     KisPaintDeviceSP layer =  m_preview->getDevice();
00161 
00162     if (!layer) {
00163         return;
00164     }
00165 
00166     if (!m_currentFilter) {
00167         return;
00168     }
00169     KisFilterConfiguration* config = m_currentFilter->configuration(m_currentConfigWidget);
00170 
00171     QRect rect = layer->extent();
00172     KisTransaction cmd("Temporary transaction", layer.data());
00173     m_currentFilter->process(layer.data(), layer.data(), config, rect);
00174     m_preview->slotUpdate();
00175     cmd.unexecute();
00176 }
00177 
00178 #include "kis_dlg_adj_layer_props.moc"
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