1 files changed, 408 insertions, 0 deletions

diff --git a/chalk/ui/kis_filter_manager.cpp b/chalk/ui/kis_filter_manager.cpp
new file mode 100644
index 000000000..848f99b73
--- /dev/null
+++ b/chalk/ui/kis_filter_manager.cpp
@@ -0,0 +1,408 @@
+/*
+ *  Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
+ *  Copyright (c) 2007 Benjamin Schleimer <bensch128@yahoo.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "tqsignalmapper.h"
+#include <tqlayout.h>
+#include <tqframe.h>
+#include <tqcursor.h>
+#include <tqapplication.h>
+#include <tdemessagebox.h>
+#include <kguiitem.h>
+
+#include <kis_cursor.h>
+#include "tdeaction.h"
+
+#include "kis_part_layer.h"
+#include "kis_id.h"
+#include "kis_view.h"
+#include "kis_doc.h"
+#include "kis_filter.h"
+#include "kis_layer.h"
+#include "kis_paint_device.h"
+#include "kis_paint_layer.h"
+#include "kis_filter_manager.h"
+#include "kis_filter_config_widget.h"
+#include "kis_previewwidget.h"
+#include "kis_previewdialog.h"
+#include "kis_filter_registry.h"
+#include "kis_transaction.h"
+#include "kis_undo_adapter.h"
+#include "kis_previewdialog.h"
+#include "kis_previewwidget.h"
+#include "kis_painter.h"
+#include "kis_selection.h"
+#include "kis_id.h"
+#include "kis_canvas_subject.h"
+#include "kis_doc.h"
+#include "kis_transaction.h"
+#include <kis_progress_display_interface.h>
+
+KisFilterManager::KisFilterManager(KisView * view, KisDoc * doc)
+    : m_view(view),
+    m_doc(doc)
+{
+    // XXX: Store & restore last filter & last filter configuration in session settings
+    m_reapplyAction = 0;
+    m_lastFilterConfig = 0;
+    m_lastDialog = 0;
+    m_lastFilter = 0;
+    m_lastWidget = 0;
+
+    m_filterMapper = new TQSignalMapper(this);
+
+    connect(m_filterMapper, TQT_SIGNAL(mapped(int)), this, TQT_SLOT(slotApplyFilter(int)));
+
+}
+
+KisFilterManager::~KisFilterManager()
+{
+    //delete m_reapplyAction;
+    //delete m_lastFilterConfig;
+    //delete m_filterMapper;
+}
+
+void KisFilterManager::setup(TDEActionCollection * ac)
+{
+    KisFilter * f = 0;
+    int i = 0;
+
+    // Only create the submenu's we've actually got filters for.
+    // XXX: Make this list extensible after 1.5
+
+    TDEActionMenu * other = 0;
+    TDEActionMenu * am = 0;
+
+    m_filterList = KisFilterRegistry::instance()->listKeys();
+
+    for ( KisIDList::Iterator it = m_filterList.begin(); it != m_filterList.end(); ++it ) {
+        f = KisFilterRegistry::instance()->get(*it);
+        if (!f) break;
+
+        TQString s = f->menuCategory();
+        if (s == "adjust" && !m_filterActionMenus.find("adjust")) {
+            am = new TDEActionMenu(i18n("Adjust"), ac, "adjust_filters");
+            m_filterActionMenus.insert("adjust", am);
+        }
+
+        else if (s == "artistic" && !m_filterActionMenus.find("artistic")) {
+            am = new TDEActionMenu(i18n("Artistic"), ac, "artistic_filters");
+            m_filterActionMenus.insert("artistic", am);
+        }
+
+        else if (s == "blur" && !m_filterActionMenus.find("blur")) {
+            am = new TDEActionMenu(i18n("Blur"), ac, "blur_filters");
+            m_filterActionMenus.insert("blur", am);
+        }
+
+        else if (s == "colors" && !m_filterActionMenus.find("colors")) {
+            am = new TDEActionMenu(i18n("Colors"), ac, "color_filters");
+            m_filterActionMenus.insert("colors", am);
+        }
+
+        else if (s == "decor" && !m_filterActionMenus.find("decor")) {
+            am = new TDEActionMenu(i18n("Decor"), ac, "decor_filters");
+            m_filterActionMenus.insert("decor", am);
+        }
+
+        else if (s == "edge" && !m_filterActionMenus.find("edge")) {
+            am = new TDEActionMenu(i18n("Edge Detection"), ac, "edge_filters");
+            m_filterActionMenus.insert("edge", am);
+        }
+
+        else if (s == "emboss" && !m_filterActionMenus.find("emboss")) {
+            am = new TDEActionMenu(i18n("Emboss"), ac, "emboss_filters");
+            m_filterActionMenus.insert("emboss", am);
+        }
+
+        else if (s == "enhance" && !m_filterActionMenus.find("enhance")) {
+            am = new TDEActionMenu(i18n("Enhance"), ac, "enhance_filters");
+            m_filterActionMenus.insert("enhance", am);
+        }
+
+        else if (s == "map" && !m_filterActionMenus.find("map")) {
+            am = new TDEActionMenu(i18n("Map"), ac, "map_filters");
+            m_filterActionMenus.insert("map", am);
+        }
+
+        else if (s == "nonphotorealistic" && !m_filterActionMenus.find("nonphotorealistic")) {
+            am = new TDEActionMenu(i18n("Non-photorealistic"), ac, "nonphotorealistic_filters");
+            m_filterActionMenus.insert("nonphotorealistic", am);
+        }
+
+        else if (s == "other" && !m_filterActionMenus.find("other")) {
+            other = new TDEActionMenu(i18n("Other"), ac, "misc_filters");
+            m_filterActionMenus.insert("other", other);
+        }
+
+    }
+
+    m_reapplyAction = new TDEAction(i18n("Apply Filter Again"),
+                "Ctrl+Shift+F",
+                this, TQT_SLOT(slotApply()),
+                ac, "filter_apply_again");
+
+    m_reapplyAction->setEnabled(false);
+
+    f = 0;
+    i = 0;
+    for ( KisIDList::Iterator it = m_filterList.begin(); it != m_filterList.end(); ++it ) {
+        f = KisFilterRegistry::instance()->get(*it);
+
+        if (!f) break;
+
+        // Create action
+        TDEAction * a = new TDEAction(f->menuEntry(), 0, m_filterMapper, TQT_SLOT(map()), ac,
+                                  TQString("chalk_filter_%1").arg((*it) . id()).ascii());
+
+        // Add action to the right submenu
+        TDEActionMenu * m = m_filterActionMenus.find( f->menuCategory() );
+        if (m) {
+            m->insert(a);
+        }
+        else {
+            if (!other) {
+                other = new TDEActionMenu(i18n("Other"), ac, "misc_filters");
+                m_filterActionMenus.insert("other", am);
+            }
+            other->insert(a);
+        }
+
+        // Add filter to list of filters for mapper
+        m_filterMapper->setMapping( a, i );
+
+        m_filterActions.append( a );
+        ++i;
+    }
+}
+
+void KisFilterManager::updateGUI()
+{
+    KisImageSP img = m_view->currentImg();
+    if (!img) return;
+
+    KisLayerSP layer = img->activeLayer();
+    if (!layer) return;
+
+    KisPartLayer * partLayer = dynamic_cast<KisPartLayer*>(layer.data());
+
+    bool enable =  !(layer->locked() || !layer->visible() || partLayer);
+    KisPaintLayerSP player = dynamic_cast<KisPaintLayer*>( layer.data());
+    if(!player)
+    {
+        enable = false;
+    }
+    m_reapplyAction->setEnabled(m_lastFilterConfig);
+    if (m_lastFilterConfig)
+        m_reapplyAction->setText(i18n("Apply Filter Again") + ": "
+            + KisFilterRegistry::instance()->get(m_lastFilterConfig->name())->id().name());
+    else
+        m_reapplyAction->setText(i18n("Apply Filter Again"));
+
+    TDEAction * a;
+    int i = 0;
+    for (a = m_filterActions.first(); a; a = m_filterActions.next() , i++) {
+        KisFilter* filter = KisFilterRegistry::instance()->get(m_filterList[i]);
+        if(player && filter->workWith( player->paintDevice()->colorSpace()))
+        {
+            a->setEnabled(enable);
+        } else {
+            a->setEnabled(false);
+        }
+    }
+
+}
+
+void KisFilterManager::slotApply()
+{
+    apply();
+}
+
+bool KisFilterManager::apply()
+{
+    if (!m_lastFilter) return false;
+
+    KisImageSP img = m_view->currentImg();
+    if (!img) return false;
+
+    KisPaintDeviceSP dev = img->activeDevice();
+    if (!dev) return false;
+
+    TQApplication::setOverrideCursor( KisCursor::waitCursor() );
+
+    //Apply the filter
+    m_lastFilterConfig = m_lastFilter->configuration(m_lastWidget);
+
+    TQRect r1 = dev->extent();
+    TQRect r2 = img->bounds();
+
+    // Filters should work only on the visible part of an image.
+    TQRect rect = r1.intersect(r2);
+
+    if (dev->hasSelection()) {
+        TQRect r3 = dev->selection()->selectedExactRect();
+        rect = rect.intersect(r3);
+    }
+
+    m_lastFilter->enableProgress();
+
+    m_view->progressDisplay()->setSubject(m_lastFilter, true, true);
+    m_lastFilter->setProgressDisplay( m_view->progressDisplay());
+
+    KisTransaction * cmd = 0;
+    if (img->undo()) cmd = new KisTransaction(m_lastFilter->id().name(), dev);
+
+    m_lastFilter->process(dev, dev, m_lastFilterConfig, rect);
+    m_reapplyAction->setEnabled(m_lastFilterConfig);
+    if (m_lastFilterConfig)
+        m_reapplyAction->setText(i18n("Apply Filter Again") + ": "
+            + KisFilterRegistry::instance()->get(m_lastFilterConfig->name())->id().name());
+
+    else
+        m_reapplyAction->setText(i18n("Apply Filter Again"));
+
+    m_lastFilter->disableProgress();
+    TQApplication::restoreOverrideCursor();
+    
+
+    if (m_lastFilter->cancelRequested()) {
+        delete m_lastFilterConfig;
+        if (cmd) {
+            cmd->unexecute();
+            delete cmd;
+        }
+        return false;
+
+    } else {
+        if (dev->parentLayer()) dev->parentLayer()->setDirty(rect);
+        m_doc->setModified(true);
+        if (img->undo() && cmd) img->undoAdapter()->addCommand(cmd);
+        return true;
+    }
+}
+
+void KisFilterManager::slotApplyFilter(int i)
+{
+    KisPreviewDialog * oldDialog = m_lastDialog;
+    KisFilterConfiguration * oldConfig = m_lastFilterConfig;
+    KisFilter * oldFilter = m_lastFilter;
+
+    m_lastFilter = KisFilterRegistry::instance()->get(m_filterList[i]);
+
+    if (!m_lastFilter) {
+        m_lastFilter = oldFilter;
+        return;
+    }
+
+    KisImageSP img = m_view->currentImg();
+    if (!img) return;
+
+    KisPaintDeviceSP dev = img->activeDevice();
+    if (!dev) return;
+
+    if (dev->colorSpace()->willDegrade(m_lastFilter->colorSpaceIndependence())) {
+        // Warning bells!
+        if (m_lastFilter->colorSpaceIndependence() == TO_LAB16) {
+            if (KMessageBox::warningContinueCancel(m_view,
+                                               i18n("The %1 filter will convert your %2 data to 16-bit L*a*b* and vice versa. ")
+                                                       .arg(m_lastFilter->id().name())
+                                                       .arg(dev->colorSpace()->id().name()),
+                                               i18n("Filter Will Convert Your Layer Data"),
+                                               KGuiItem(i18n("Continue")),
+                                               "lab16degradation") != KMessageBox::Continue) return;
+
+        }
+        else if (m_lastFilter->colorSpaceIndependence() == TO_RGBA8) {
+            if (KMessageBox::warningContinueCancel(m_view,
+                                               i18n("The %1 filter will convert your %2 data to 8-bit RGBA and vice versa. ")
+                                                       .arg(m_lastFilter->id().name())
+                                                       .arg(dev->colorSpace()->id().name()),
+                                               i18n("Filter Will Convert Your Layer Data"),
+                                               KGuiItem(i18n("Continue")),
+                                               "rgba8degradation") != KMessageBox::Continue) return;
+        }
+    }
+
+    m_lastFilter->disableProgress();
+
+    // Create the config dialog
+    m_lastDialog = new KisPreviewDialog(m_view, m_lastFilter->id().name().ascii(), true, m_lastFilter->id().name());
+    TQ_CHECK_PTR(m_lastDialog);
+    m_lastWidget = m_lastFilter->createConfigurationWidget( (TQWidget*)m_lastDialog->container(), dev );
+
+    bool accepted = true;
+
+    if( m_lastWidget != 0)
+    {
+        connect(m_lastWidget, TQT_SIGNAL(sigPleaseUpdatePreview()), this, TQT_SLOT(slotConfigChanged()));
+
+        m_lastDialog->previewWidget()->slotSetDevice( dev );
+
+        connect(m_lastDialog->previewWidget(), TQT_SIGNAL(updated()), this, TQT_SLOT(refreshPreview()));
+
+        TQGridLayout *widgetLayout = new TQGridLayout((TQWidget *)m_lastDialog->container(), 1, 1);
+
+        widgetLayout->addWidget(m_lastWidget, 0 , 0);
+
+        m_lastDialog->container()->setMinimumSize(m_lastWidget->minimumSize());
+
+        refreshPreview();
+
+        if(m_lastDialog->exec() == TQDialog::Rejected )
+        {
+	    accepted = false;
+        }
+    }
+
+    if (!accepted || !apply()) {
+	// Override the old configuration
+        m_lastFilterConfig = oldConfig;
+        m_lastDialog = oldDialog;
+        m_lastFilter = oldFilter;
+    } else {
+        delete oldDialog;
+        delete oldConfig;
+    }
+
+}
+
+void KisFilterManager::slotConfigChanged()
+{
+    if( m_lastDialog == 0 )
+        return;
+    if(m_lastDialog->previewWidget()->getAutoUpdate())
+    {
+        refreshPreview();
+    } else {
+        m_lastDialog->previewWidget()->needUpdate();
+    }
+}
+
+
+void KisFilterManager::refreshPreview( )
+{
+    if( m_lastDialog == 0 ) return;
+
+    KisFilterConfiguration* config = m_lastFilter->configuration(m_lastWidget);
+
+    // The preview widget is in charge of running the filter so it can optimize the performance
+    m_lastDialog->previewWidget()->runFilter(m_lastFilter, config);
+}
+
+
+#include "kis_filter_manager.moc"