1 files changed, 154 insertions, 0 deletions
diff --git a/chalk/plugins/tools/tool_filter/kis_tool_filter.cpp b/chalk/plugins/tools/tool_filter/kis_tool_filter.cpp
new file mode 100644
index 000000000..14e2d6168
--- /dev/null
+++ b/chalk/plugins/tools/tool_filter/kis_tool_filter.cpp
@@ -0,0 +1,154 @@
+/*
+ *  kis_tool_filter.cpp - part of Chalk
+ *
+ *  Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
+ *
+ *  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 <tqbitmap.h>
+#include <tqpainter.h>
+#include <tqcombobox.h>
+#include <tqlayout.h>
+#include <tqlabel.h>
+
+#include <tdeaction.h>
+#include <kdebug.h>
+#include <tdelocale.h>
+
+#include "kis_filter_config_widget.h"
+#include "kis_tool_filter.h"
+#include <kis_brush.h>
+#include <kis_button_press_event.h>
+#include <kis_button_release_event.h>
+#include <kis_canvas_subject.h>
+#include <kis_cmb_idlist.h>
+#include <kis_cursor.h>
+#include <kis_doc.h>
+#include <kis_filter.h>
+#include <kis_filterop.h>
+#include <kis_id.h>
+#include <kis_image.h>
+#include <kis_layer.h>
+#include <kis_move_event.h>
+#include <kis_painter.h>
+#include <kis_paintop.h>
+#include <kis_paintop_registry.h>
+#include <kis_vec.h>
+
+KisToolFilter::KisToolFilter()
+    : super(i18n("Filter Brush")), m_filterConfigurationWidget(0)
+{
+    setName("tool_filter");
+    m_subject = 0;
+    setCursor(KisCursor::load("tool_filter_cursor.png", 5, 5));
+}
+
+KisToolFilter::~KisToolFilter()
+{
+}
+
+void KisToolFilter::setup(TDEActionCollection *collection)
+{
+    m_action = static_cast<TDERadioAction *>(collection->action(name()));
+
+    if (m_action == 0) {
+        m_action = new TDERadioAction(i18n("&Filter Brush"),
+                        "tool_filter", 0, this,
+                        TQT_SLOT(activate()), collection,
+                        name());
+        TQ_CHECK_PTR(m_action);
+        m_action->setToolTip(i18n("Paint with filters"));
+        m_action->setExclusiveGroup("tools");
+        m_ownAction = true;
+    }
+}
+
+void KisToolFilter::initPaint(KisEvent *e)
+{
+    // Some filters want to paint directly on the current state of
+    // the canvas, others cannot handle that and need a temporary layer
+    // so they can work on the old data before painting started.
+    m_paintIncremental = m_filter->supportsIncrementalPainting();
+    
+    super::initPaint(e);
+    KisPaintOp * op = KisPaintOpRegistry::instance()->paintOp("filter", 0, painter());
+    op->setSource ( m_source );
+    painter()->setPaintOp(op); // And now the painter owns the op and will destroy it.
+    painter()->setFilter( m_filter );
+
+    // XXX: Isn't there a better way to set the config? The filter config widget needs to
+    // to go into the tool options widget, and just the data carried over to the filter.
+    // I've got a bit of a problem with core classes having too much GUI about them.
+    // BSAR.
+    dynamic_cast<KisFilterOp *>(op)->setFilterConfiguration( m_filter->configuration( m_filterConfigurationWidget) );
+}
+
+TQWidget* KisToolFilter::createOptionWidget(TQWidget* parent)
+{
+    TQWidget *widget = super::createOptionWidget(parent);
+
+    m_cbFilter = new KisCmbIDList(widget);
+    TQ_CHECK_PTR(m_cbFilter);
+
+    TQLabel* lbFilter = new TQLabel(i18n("Filter:"), widget);
+    TQ_CHECK_PTR(lbFilter);
+
+    // Check which filters support painting
+    KisIDList l = KisFilterRegistry::instance()->listKeys();
+    KisIDList l2;
+    KisIDList::iterator it;
+    for (it = l.begin(); it !=  l.end(); ++it) {
+        KisFilterSP f = KisFilterRegistry::instance()->get(*it);
+        if (f->supportsPainting()) {
+            l2.push_back(*it);
+        }
+    }
+    m_cbFilter ->setIDList( l2 );
+
+    addOptionWidgetOption(m_cbFilter, lbFilter);
+
+    m_optionLayout = new TQGridLayout(widget, 1, 1, 0, 6);
+    TQ_CHECK_PTR(m_optionLayout);
+    super::addOptionWidgetLayout(m_optionLayout);
+
+    connect(m_cbFilter, TQT_SIGNAL(activated ( const KisID& )), this, TQT_SLOT( changeFilter( const KisID& ) ) );
+    changeFilter( m_cbFilter->currentItem () );
+
+    return widget;
+}
+
+void KisToolFilter::changeFilter( const KisID & id)
+{
+    m_filter =  KisFilterRegistry::instance()->get( id );
+    Q_ASSERT(m_filter != 0);
+    if( m_filterConfigurationWidget != 0 )
+    {
+        m_optionLayout->remove ( m_filterConfigurationWidget );
+        delete m_filterConfigurationWidget;
+    }
+
+    m_source = m_currentImage->activeDevice();
+    if (!m_source) return;
+
+    m_filterConfigurationWidget = m_filter->createConfigurationWidget( optionWidget(), m_source );
+    if( m_filterConfigurationWidget != 0 )
+    {
+        m_optionLayout->addMultiCellWidget ( m_filterConfigurationWidget, 2, 2, 0, 1 );
+        m_filterConfigurationWidget->show();
+    }
+}
+
+#include "kis_tool_filter.moc"