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-rw-r--r--chalk/plugins/tools/tool_perspectivetransform/kis_tool_perspectivetransform.cpp742
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diff --git a/chalk/plugins/tools/tool_perspectivetransform/kis_tool_perspectivetransform.cpp b/chalk/plugins/tools/tool_perspectivetransform/kis_tool_perspectivetransform.cpp
new file mode 100644
index 000000000..e73f5da3c
--- /dev/null
+++ b/chalk/plugins/tools/tool_perspectivetransform/kis_tool_perspectivetransform.cpp
@@ -0,0 +1,742 @@
+/*
+ * kis_tool_transform.cpp -- part of Chalk
+ *
+ * Copyright (c) 2006 Cyrille Berger <cberger@cberger.net>
+ *
+ * Based on the transform tool from :
+ * Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
+ * Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 "kis_tool_perspectivetransform.h"
+
+
+#include <tqpainter.h>
+#include <tqpen.h>
+#include <tqpushbutton.h>
+#include <tqobject.h>
+#include <tqlabel.h>
+#include <tqcombobox.h>
+#include <tqapplication.h>
+
+#include <kdebug.h>
+#include <tdeaction.h>
+#include <kcommand.h>
+#include <tdelocale.h>
+#include <knuminput.h>
+
+#include <kis_global.h>
+#include <kis_painter.h>
+#include <kis_canvas_controller.h>
+#include <kis_canvas_subject.h>
+#include <kis_cursor.h>
+#include <kis_image.h>
+#include <kis_undo_adapter.h>
+#include <kis_selected_transaction.h>
+#include <kis_button_press_event.h>
+#include <kis_button_release_event.h>
+#include <kis_move_event.h>
+#include <kis_selection.h>
+#include <kis_filter_strategy.h>
+#include <kis_cmb_idlist.h>
+#include <kis_id.h>
+#include <kis_tool_controller.h>
+#include <kis_perspectivetransform_worker.h>
+
+//#include "wdg_tool_transform.h"
+#include "kis_canvas.h"
+#include "kis_canvas_painter.h"
+
+namespace {
+ class PerspectiveTransformCmd : public KisSelectedTransaction {
+ typedef KisSelectedTransaction super;
+
+ public:
+ PerspectiveTransformCmd(KisToolPerspectiveTransform *tool, KisPaintDeviceSP device, KisPaintDeviceSP origDevice, KisPoint topleft, KisPoint topright, KisPoint bottomleft, KisPoint bottomright, KisSelectionSP origSel, TQRect initialRect);
+ virtual ~PerspectiveTransformCmd();
+
+ public:
+ virtual void execute();
+ virtual void unexecute();
+ void transformArgs(KisPoint &topleft, KisPoint &topright, KisPoint &bottomleft, KisPoint& bottomright) const;
+ KisSelectionSP origSelection(TQRect& initialRect) const;
+ KisPaintDeviceSP theDevice();
+ KisPaintDeviceSP origDevice();
+
+ private:
+ TQRect m_initialRect;
+ KisPoint m_topleft, m_topright, m_bottomleft, m_bottomright;
+ KisToolPerspectiveTransform *m_tool;
+ KisSelectionSP m_origSelection;
+ KisPaintDeviceSP m_device;
+ KisPaintDeviceSP m_origDevice;
+ };
+
+ PerspectiveTransformCmd::PerspectiveTransformCmd(KisToolPerspectiveTransform *tool, KisPaintDeviceSP device, KisPaintDeviceSP origDevice, KisPoint topleft, KisPoint topright, KisPoint bottomleft, KisPoint bottomright, KisSelectionSP origSel, TQRect initialRect) :
+ super(i18n("Perspective Transform"), device), m_initialRect(initialRect)
+ , m_topleft(topleft), m_topright(topright), m_bottomleft(bottomleft), m_bottomright(bottomright)
+ , m_tool(tool), m_origSelection(origSel), m_device(device), m_origDevice(origDevice)
+ {
+ }
+
+ PerspectiveTransformCmd::~PerspectiveTransformCmd()
+ {
+ }
+
+ void PerspectiveTransformCmd::transformArgs(KisPoint &topleft, KisPoint &topright, KisPoint &bottomleft, KisPoint& bottomright) const
+ {
+ topleft = m_topleft;
+ topright = m_topright;
+ bottomleft = m_bottomleft;
+ bottomright = m_bottomright;
+ }
+
+ KisSelectionSP PerspectiveTransformCmd::origSelection(TQRect& initialRect) const
+ {
+ initialRect = m_initialRect;
+ return m_origSelection;
+ }
+
+ void PerspectiveTransformCmd::execute()
+ {
+ super::execute();
+ }
+
+ void PerspectiveTransformCmd::unexecute()
+ {
+ super::unexecute();
+ }
+
+ KisPaintDeviceSP PerspectiveTransformCmd::theDevice()
+ {
+ return m_device;
+ }
+
+ KisPaintDeviceSP PerspectiveTransformCmd::origDevice()
+ {
+ return m_origDevice;
+ }
+}
+
+KisToolPerspectiveTransform::KisToolPerspectiveTransform()
+ : super(i18n("Perspective Transform"))
+{
+ setName("tool_perspectivetransform");
+ setCursor(KisCursor::selectCursor());
+ m_subject = 0;
+ m_origDevice = 0;
+ m_origSelection = 0;
+ m_handleHalfSize = 8;
+ m_handleSize = 2 * m_handleHalfSize;
+ m_handleSelected = NOHANDLE;
+}
+
+KisToolPerspectiveTransform::~KisToolPerspectiveTransform()
+{
+}
+
+void KisToolPerspectiveTransform::deactivate()
+{
+ if (m_subject && m_subject->undoAdapter()) m_subject->undoAdapter()->removeCommandHistoryListener( this );
+
+ KisImageSP img = m_subject->currentImg();
+ if (!img) return;
+
+ paintOutline();
+
+ disconnect(m_subject->currentImg().data(), TQT_SIGNAL(sigLayerActivated(KisLayerSP)), this, TQT_SLOT(slotLayerActivated(KisLayerSP)));
+}
+
+void KisToolPerspectiveTransform::activate()
+{
+ super::activate();
+ m_currentSelectedPoint = 0;
+ if(m_subject && m_subject->currentImg() && m_subject->currentImg()->activeDevice())
+ {
+ //connect(m_subject, commandExecuted(KCommand *c), this, notifyCommandAdded( KCommand * c));
+ m_subject->undoAdapter()->setCommandHistoryListener( this );
+
+// KisToolControllerInterface *controller = m_subject->toolController();
+// if (controller)
+// controller->setCurrentTool(this);
+
+ PerspectiveTransformCmd * cmd=0;
+
+ if(m_subject->currentImg()->undoAdapter()->presentCommand())
+ cmd = dynamic_cast<PerspectiveTransformCmd*>(m_subject->currentImg()->undoAdapter()->presentCommand());
+
+ // One of our commands is on top
+ if(cmd &&cmd->theDevice() == m_subject->currentImg()->activeDevice())
+ {
+ m_interractionMode = EDITRECTINTERRACTION;
+ // and it even has the same device
+ // We should ask for tool args and orig selection
+ m_origDevice = cmd->origDevice();
+ cmd->transformArgs(m_topleft, m_topright, m_bottomleft, m_bottomright);
+ m_origSelection = cmd->origSelection(m_initialRect);
+ paintOutline();
+ }
+ else
+ {
+ m_interractionMode = DRAWRECTINTERRACTION;
+ m_points.clear();
+ initHandles();
+ }
+ }
+ connect(m_subject->currentImg(), TQT_SIGNAL(sigLayerActivated(KisLayerSP)), this, TQT_SLOT(slotLayerActivated(KisLayerSP)));
+}
+
+void KisToolPerspectiveTransform::initHandles()
+{
+// TQ_INT32 x,y,w,h;
+ KisImageSP img = m_subject->currentImg();
+
+ KisPaintDeviceSP dev = img->activeDevice();
+ if (!dev ) return;
+
+ // Create a lazy copy of the current state
+ m_origDevice = new KisPaintDevice(*dev.data());
+ Q_ASSERT(m_origDevice);
+
+ if(dev->hasSelection())
+ {
+ KisSelectionSP sel = dev->selection();
+ m_origSelection = new KisSelection(*sel.data());
+ m_initialRect = sel->selectedExactRect();
+ }
+ else {
+ m_initialRect = dev->exactBounds();
+ }
+ m_topleft = KisPoint(m_initialRect.topLeft());
+ m_topright = KisPoint(m_initialRect.topRight());
+ m_bottomleft = KisPoint(m_initialRect.bottomLeft());
+ m_bottomright = KisPoint(m_initialRect.bottomRight());
+
+ m_subject->canvasController() ->updateCanvas();
+}
+
+void KisToolPerspectiveTransform::paint(KisCanvasPainter& gc)
+{
+ paintOutline(gc, TQRect());
+}
+
+void KisToolPerspectiveTransform::paint(KisCanvasPainter& gc, const TQRect& rc)
+{
+ paintOutline(gc, rc);
+}
+
+bool KisToolPerspectiveTransform::mouseNear(const TQPoint& mousep, const TQPoint point)
+{
+ return (TQRect( (point.x() - m_handleHalfSize), (point.y() - m_handleHalfSize), m_handleSize, m_handleSize).contains(mousep) );
+}
+
+void KisToolPerspectiveTransform::buttonPress(KisButtonPressEvent *event)
+{
+ if (m_subject) {
+ switch(m_interractionMode)
+ {
+ case DRAWRECTINTERRACTION:
+ {
+ if (m_points.isEmpty())
+ {
+ m_dragging = false;
+ m_dragStart = event->pos();
+ m_dragEnd = event->pos();
+ m_points.append(m_dragStart);
+ paintOutline();
+ } else {
+ m_dragging = true;
+ m_dragStart = m_dragEnd;
+ m_dragEnd = event->pos();
+ paintOutline();
+ }
+ }
+ case EDITRECTINTERRACTION:
+ {
+ KisImageSP img = m_subject->currentImg();
+
+ if (img && img->activeDevice() && event->button() == Qt::LeftButton) {
+ m_actualyMoveWhileSelected = false;
+ m_dragEnd = event->pos();
+ KisCanvasController *controller = m_subject->canvasController();
+ TQPoint mousep = controller->windowToView( event->pos().roundTQPoint() );
+ if( mouseNear( mousep, controller->windowToView(m_topleft.roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS TOPLEFT HANDLE " << endl;
+ m_currentSelectedPoint = &m_topleft;
+ }
+ else if( mouseNear( mousep, controller->windowToView(m_topright.roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS TOPRIGHT HANDLE " << endl;
+ m_currentSelectedPoint = &m_topright;
+ }
+ else if( mouseNear( mousep, controller->windowToView(m_bottomleft.roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS BOTTOMLEFT HANDLE " << endl;
+ m_currentSelectedPoint = &m_bottomleft;
+ }
+ else if( mouseNear( mousep, controller->windowToView(m_bottomright.roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS BOTTOMRIGHT HANDLE " << endl;
+ m_currentSelectedPoint = &m_bottomright;
+ } else if( mouseNear( mousep, controller->windowToView(KisPoint((m_topleft+m_topright)*0.5).roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS TOP HANDLE " << endl;
+ m_handleSelected = TOPHANDLE;
+ }else if( mouseNear( mousep, controller->windowToView(KisPoint((m_topleft+m_bottomleft)*0.5).roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS LEFT HANDLE " << endl;
+ m_handleSelected = LEFTHANDLE;
+ }else if( mouseNear( mousep, controller->windowToView(KisPoint((m_bottomleft+m_bottomright)*0.5).roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS BOTTOM HANDLE " << endl;
+ m_handleSelected = BOTTOMHANDLE;
+ }else if( mouseNear( mousep, controller->windowToView(KisPoint((m_bottomright+m_topright)*0.5).roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS RIGHT HANDLE " << endl;
+ m_handleSelected = RIGHTHANDLE;
+ }else if( mouseNear( mousep, controller->windowToView(KisPoint((m_topleft+m_bottomleft + m_bottomright+m_topright)*0.25).roundTQPoint() ) ) )
+ {
+ kdDebug() << " PRESS MIDDLE HANDLE " << endl;
+ m_handleSelected = MIDDLEHANDLE;
+ }
+ }
+ }
+ }
+ }
+}
+
+void KisToolPerspectiveTransform::move(KisMoveEvent *event)
+{
+ switch(m_interractionMode)
+ {
+ case DRAWRECTINTERRACTION:
+ {
+ if (m_dragging) {
+ // erase old lines on canvas
+ paintOutline();
+ // get current mouse position
+ m_dragEnd = event->pos();
+ // draw new lines on canvas
+ paintOutline();
+ }
+ }
+
+ case EDITRECTINTERRACTION:
+ {
+ if(m_currentSelectedPoint)
+ {
+ paintOutline();
+ KisPoint translate = event->pos() - m_dragEnd;
+ m_dragEnd = event->pos();
+ *m_currentSelectedPoint += translate;;
+ paintOutline();
+ m_actualyMoveWhileSelected = true;
+ }
+ else if(m_handleSelected == TOPHANDLE || m_handleSelected == LEFTHANDLE || m_handleSelected == BOTTOMHANDLE || m_handleSelected == RIGHTHANDLE)
+ {
+ paintOutline();
+
+ KisPoint translate = event->pos() - m_dragEnd;
+ m_dragEnd = event->pos();
+
+ double matrixFrom[3][3];
+ double* b = KisPerspectiveMath::computeMatrixTransfoToPerspective(m_topleft, m_topright, m_bottomleft, m_bottomright, m_initialRect);
+ for(int i = 0; i < 3; i++)
+ {
+ for(int j = 0; j < 3; j++)
+ {
+ matrixFrom[i][j] = b[3*i+j];
+ }
+ }
+ delete b;
+
+ KisPoint topLeft = KisPerspectiveMath::matProd(matrixFrom, KisPoint(m_initialRect.topLeft()) );
+ KisPoint topRight = KisPerspectiveMath::matProd(matrixFrom, KisPoint(m_initialRect.topRight()) );
+ KisPoint bottomLeft = KisPerspectiveMath::matProd(matrixFrom, KisPoint(m_initialRect.bottomLeft()) );
+ KisPoint bottomRight = KisPerspectiveMath::matProd(matrixFrom, KisPoint(m_initialRect.bottomRight()) );
+ TQRect dstRect = m_initialRect;
+ switch(m_handleSelected)
+ {
+ case TOPHANDLE:
+ dstRect.setTop( static_cast<int>( dstRect.top() + translate.y() ) ) ;
+ break;
+ case LEFTHANDLE:
+ dstRect.setLeft( static_cast<int>( dstRect.left() + translate.x() ) );
+ break;
+ case BOTTOMHANDLE:
+ dstRect.setBottom( static_cast<int>( dstRect.bottom() + translate.y() ) );
+ break;
+ case RIGHTHANDLE:
+ dstRect.setRight( static_cast<int>( dstRect.right() + translate.x() ) );
+ break;
+ case MIDDLEHANDLE:
+ case NOHANDLE:
+ kdDebug() << "Should NOT happen" << endl;
+ }
+ double matrixTo[3][3];
+ b = KisPerspectiveMath::computeMatrixTransfoToPerspective(topLeft, topRight, bottomLeft, bottomRight, dstRect );
+ for(int i = 0; i < 3; i++)
+ {
+ for(int j = 0; j < 3; j++)
+ {
+ matrixTo[i][j] = b[3*i+j];
+ }
+ }
+ delete b;
+ m_topleft = KisPerspectiveMath::matProd(matrixTo, KisPoint(m_initialRect.topLeft()));
+ m_topright = KisPerspectiveMath::matProd(matrixTo, KisPoint(m_initialRect.topRight()));
+ m_bottomleft = KisPerspectiveMath::matProd(matrixTo, KisPoint(m_initialRect.bottomLeft()));
+ m_bottomright = KisPerspectiveMath::matProd(matrixTo, KisPoint(m_initialRect.bottomRight()));
+
+ paintOutline();
+ m_actualyMoveWhileSelected = true;
+ } else if (m_handleSelected == MIDDLEHANDLE) {
+ paintOutline();
+ KisPoint translate = event->pos() - m_dragEnd;
+ m_dragEnd = event->pos();
+ m_topleft += translate;
+ m_topright += translate;
+ m_bottomleft += translate;
+ m_bottomright += translate;
+ paintOutline();
+ m_actualyMoveWhileSelected = true;
+ }
+ }
+ };
+}
+
+void KisToolPerspectiveTransform::buttonRelease(KisButtonReleaseEvent * event)
+{
+ KisImageSP img = m_subject->currentImg();
+
+ if (!img)
+ return;
+ if( event->button() == Qt::LeftButton)
+ {
+ switch(m_interractionMode)
+ {
+ case DRAWRECTINTERRACTION:
+ {
+ if (m_dragging && event->button() == Qt::LeftButton) {
+ paintOutline();
+ m_dragging = false;
+ m_points.append (m_dragEnd);
+ if( m_points.size() == 4)
+ {
+ // from the points, select which is topleft ? topright ? bottomright ? and bottomleft ?
+ m_topleft = m_points[0];
+ m_topright = m_points[1];
+ m_bottomleft = m_points[3];
+ m_bottomright = m_points[2];
+ double matrix[3][3];
+ double* b = KisPerspectiveMath::computeMatrixTransfoToPerspective(m_topleft, m_topright, m_bottomleft, m_bottomright, m_initialRect );
+ for(int i = 0; i < 3; i++)
+ {
+ for(int j = 0; j < 3; j++)
+ {
+ kdDebug() << "sol[" << 3*i+j << "]=" << b[3*i+j] << endl;
+ matrix[i][j] = b[3*i+j];
+ }
+ }
+ m_topleft = KisPerspectiveMath::matProd(matrix, KisPoint(m_initialRect.topLeft()));
+ m_topright = KisPerspectiveMath::matProd(matrix, KisPoint(m_initialRect.topRight()));
+ m_bottomleft = KisPerspectiveMath::matProd(matrix, KisPoint(m_initialRect.bottomLeft()));
+ m_bottomright = KisPerspectiveMath::matProd(matrix, KisPoint(m_initialRect.bottomRight()));
+ m_interractionMode = EDITRECTINTERRACTION;
+ paintOutline();
+ TQApplication::setOverrideCursor(KisCursor::waitCursor());
+ transform();
+ TQApplication::restoreOverrideCursor();
+ } else {
+ paintOutline();
+ }
+ }
+ }
+ break;
+ case EDITRECTINTERRACTION:
+ {
+ if(m_currentSelectedPoint )
+ {
+ m_currentSelectedPoint = 0;
+ if(m_actualyMoveWhileSelected)
+ {
+ paintOutline();
+ TQApplication::setOverrideCursor(KisCursor::waitCursor());
+ transform();
+ TQApplication::restoreOverrideCursor();
+ }
+ }
+ if(m_handleSelected != NOHANDLE)
+ {
+ m_handleSelected = NOHANDLE;
+ if(m_actualyMoveWhileSelected)
+ {
+// paintOutline();
+ TQApplication::setOverrideCursor(KisCursor::waitCursor());
+ transform();
+ TQApplication::restoreOverrideCursor();
+ }
+ }
+ }
+ break;
+ }
+ }
+}
+
+void KisToolPerspectiveTransform::paintOutline()
+{
+ if (m_subject) {
+ KisCanvasController *controller = m_subject->canvasController();
+ KisCanvas *canvas = controller->kiscanvas();
+ KisCanvasPainter gc(canvas);
+ TQRect rc;
+
+ paintOutline(gc, rc);
+ }
+}
+
+void KisToolPerspectiveTransform::paintOutline(KisCanvasPainter& gc, const TQRect&)
+{
+ if (m_subject) {
+ KisCanvasController *controller = m_subject->canvasController();
+ RasterOp op = gc.rasterOp();
+ TQPen old = gc.pen();
+ TQPen pen(TQt::SolidLine);
+ pen.setWidth(1);
+ Q_ASSERT(controller);
+
+ switch(m_interractionMode)
+ {
+ case DRAWRECTINTERRACTION:
+ {
+ kdDebug() << "DRAWRECTINTERRACTION paintOutline " << m_points.size() << endl;
+ KisPoint start, end;
+ TQPoint startPos;
+ TQPoint endPos;
+ for (KisPointVector::iterator it = m_points.begin(); it != m_points.end(); ++it) {
+
+ if (it == m_points.begin())
+ {
+ start = (*it);
+ } else {
+ end = (*it);
+
+ startPos = controller->windowToView(start.floorTQPoint());
+ endPos = controller->windowToView(end.floorTQPoint());
+
+ gc.drawLine(startPos, endPos);
+
+ start = end;
+ }
+ }
+ }
+ break;
+ case EDITRECTINTERRACTION:
+ {
+ TQPoint topleft = controller->windowToView(m_topleft ).roundTQPoint();
+ TQPoint topright = controller->windowToView(m_topright).roundTQPoint();
+ TQPoint bottomleft = controller->windowToView(m_bottomleft).roundTQPoint();
+ TQPoint bottomright = controller->windowToView(m_bottomright).roundTQPoint();
+
+ gc.setRasterOp(TQt::NotROP);
+ gc.setPen(pen);
+ gc.drawRect(topleft.x()-4, topleft.y()-4, 8, 8);
+ gc.drawLine(topleft.x(), topleft.y(), (topleft.x()+topright.x())/2, (topleft.y()+topright.y())/2);
+ gc.drawRect((topleft.x()+topright.x())/2-4, (topleft.y()+topright.y())/2-4, 8, 8);
+ gc.drawLine((topleft.x()+topright.x())/2, (topleft.y()+topright.y())/2, topright.x(), topright.y());
+ gc.drawRect(topright.x()-4, topright.y()-4, 8, 8);
+ gc.drawLine(topright.x(), topright.y(), (topright.x()+bottomright.x())/2, (topright.y()+bottomright.y())/2);
+ gc.drawRect((topright.x()+bottomright.x())/2-4, (topright.y()+bottomright.y())/2-4, 8, 8);
+ gc.drawLine((topright.x()+bottomright.x())/2, (topright.y()+bottomright.y())/2,bottomright.x(), bottomright.y());
+ gc.drawRect(bottomright.x()-4, bottomright.y()-4, 8, 8);
+ gc.drawLine(bottomright.x(), bottomright.y(), (bottomleft.x()+bottomright.x())/2, (bottomleft.y()+bottomright.y())/2);
+ gc.drawRect((bottomleft.x()+bottomright.x())/2-4, (bottomleft.y()+bottomright.y())/2-4, 8, 8);
+ gc.drawLine((bottomleft.x()+bottomright.x())/2, (bottomleft.y()+bottomright.y())/2, bottomleft.x(), bottomleft.y());
+ gc.drawRect(bottomleft.x()-4, bottomleft.y()-4, 8, 8);
+ gc.drawLine(bottomleft.x(), bottomleft.y(), (topleft.x()+bottomleft.x())/2, (topleft.y()+bottomleft.y())/2);
+ gc.drawRect((topleft.x()+bottomleft.x())/2-4, (topleft.y()+bottomleft.y())/2-4, 8, 8);
+ gc.drawLine((topleft.x()+bottomleft.x())/2, (topleft.y()+bottomleft.y())/2, topleft.x(), topleft.y());
+ gc.drawRect((bottomleft.x()+bottomright.x()+topleft.x()+topright.x())/4-4, (bottomleft.y()+bottomright.y()+topleft.y()+topright.y())/4-4, 8, 8);
+ }
+ break;
+ }
+ gc.setRasterOp(op);
+ gc.setPen(old);
+ }
+}
+
+void KisToolPerspectiveTransform::transform()
+{
+ KisImageSP img = m_subject->currentImg();
+
+ if (!img || !img->activeDevice())
+ return;
+
+ KisProgressDisplayInterface *progress = m_subject->progressDisplay();
+
+ // This mementoes the current state of the active device.
+ PerspectiveTransformCmd * transaction = new PerspectiveTransformCmd(this, img->activeDevice(), m_origDevice,
+ m_topleft, m_topright, m_bottomleft, m_bottomright, m_origSelection, m_initialRect);
+
+ // Copy the original state back.
+ TQRect rc = m_origDevice->extent();
+ rc = rc.normalize();
+ img->activeDevice()->clear();
+ KisPainter gc(img->activeDevice());
+ gc.bitBlt(rc.x(), rc.y(), COMPOSITE_COPY, m_origDevice, rc.x(), rc.y(), rc.width(), rc.height());
+ gc.end();
+
+ // Also restore the original selection.
+ if(m_origSelection)
+ {
+ TQRect rc = m_origSelection->selectedRect();
+ rc = rc.normalize();
+ img->activeDevice()->selection()->clear();
+ KisPainter sgc(img->activeDevice()->selection().data());
+ sgc.bitBlt(rc.x(), rc.y(), COMPOSITE_COPY, m_origSelection.data(), rc.x(), rc.y(), rc.width(), rc.height());
+ sgc.end();
+ }
+ else
+ if(img->activeDevice()->hasSelection())
+ img->activeDevice()->selection()->clear();
+
+ // Perform the transform. Since we copied the original state back, this doesn't degrade
+ // after many tweaks. Since we started the transaction before the copy back, the memento
+ // has the previous state.
+ KisPerspectiveTransformWorker t(img->activeDevice(),m_topleft, m_topright, m_bottomleft, m_bottomright, progress);
+ t.run();
+
+ // If canceled, go back to the memento
+ if(t.isCanceled())
+ {
+ transaction->unexecute();
+ delete transaction;
+ return;
+ }
+
+ img->activeDevice()->setDirty(rc); // XXX: This is not enough - should union with new extent
+
+ // Else add the command -- this will have the memento from the previous state,
+ // and the transformed state from the original device we cached in our activated()
+ // method.
+ if (transaction) {
+ if (img->undo())
+ img->undoAdapter()->addCommand(transaction);
+ else
+ delete transaction;
+ }
+}
+
+void KisToolPerspectiveTransform::notifyCommandAdded( KCommand * command)
+{
+ PerspectiveTransformCmd * cmd = dynamic_cast<PerspectiveTransformCmd*>(command);
+ if (cmd == 0) {
+ // The last added command wasn't one of ours;
+ // we should reset to the new state of the canvas.
+ // In effect we should treat this as if the tool has been just activated
+ initHandles();
+ }
+}
+
+void KisToolPerspectiveTransform::notifyCommandExecuted( KCommand * command)
+{
+ Q_UNUSED(command);
+ PerspectiveTransformCmd * cmd=0;
+ if(m_subject->currentImg()->undoAdapter()->presentCommand())
+ cmd = dynamic_cast<PerspectiveTransformCmd*>(m_subject->currentImg()->undoAdapter()->presentCommand());
+
+ if (cmd == 0) {
+ // The command now on the top of the stack isn't one of ours
+ // We should treat this as if the tool has been just activated
+ initHandles();
+ }
+ else
+ {
+ // One of our commands is now on top
+ // We should ask for tool args and orig selection
+ m_origDevice = cmd->origDevice();
+ cmd->transformArgs(m_topleft, m_topright, m_bottomleft, m_bottomright);
+ m_origSelection = cmd->origSelection(m_initialRect);
+ m_subject->canvasController() ->updateCanvas();
+ }
+}
+
+void KisToolPerspectiveTransform::slotLayerActivated(KisLayerSP)
+{
+ activate();
+}
+
+
+TQWidget* KisToolPerspectiveTransform::createOptionWidget(TQWidget* /*parent*/)
+{
+#if 0
+ m_optWidget = new WdgToolPerspectiveTransform(parent);
+ TQ_CHECK_PTR(m_optWidget);
+
+ m_optWidget->cmbFilter->clear();
+ m_optWidget->cmbFilter->setIDList(KisFilterStrategyRegistry::instance()->listKeys());
+
+ m_optWidget->cmbFilter->setCurrentText("Mitchell");
+ connect(m_optWidget->cmbFilter, TQT_SIGNAL(activated(const KisID &)),
+ this, TQT_SLOT(slotSetFilter(const KisID &)));
+
+ KisID filterID = m_optWidget->cmbFilter->currentItem();
+ m_filter = KisFilterStrategyRegistry::instance()->get(filterID);
+
+/*
+ connect(m_optWidget->intStartX, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(setStartX(int)));
+ connect(m_optWidget->intStartY, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(setStartY(int)));
+ connect(m_optWidget->intEndX, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(setEndX(int)));
+ connect(m_optWidget->intEndY, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(setEndY(int)));
+*/
+ m_optWidget->intStartX->hide();
+ m_optWidget->intStartY->hide();
+ m_optWidget->intEndX->hide();
+ m_optWidget->intEndY->hide();
+ m_optWidget->textLabel1->hide();
+ m_optWidget->textLabel2->hide();
+ m_optWidget->textLabel3->hide();
+ m_optWidget->textLabel4->hide();
+#endif
+ return 0;
+}
+
+TQWidget* KisToolPerspectiveTransform::optionWidget()
+{
+ return 0;
+}
+
+void KisToolPerspectiveTransform::setup(TDEActionCollection *collection)
+{
+ m_action = static_cast<TDERadioAction *>(collection->action(name()));
+
+ if (m_action == 0) {
+ m_action = new TDERadioAction(i18n("&Perspective Transform"),
+ "tool_perspectivetransform",
+ 0,
+ this,
+ TQT_SLOT(activate()),
+ collection,
+ name());
+ TQ_CHECK_PTR(m_action);
+ m_action->setToolTip(i18n("Perspective transform a layer or a selection"));
+ m_action->setExclusiveGroup("tools");
+ m_ownAction = true;
+ }
+}
+
+#include "kis_tool_perspectivetransform.moc"