Finish rebranding of Krita as Chalk

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1238363 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 499 insertions, 0 deletions

diff --git a/chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cc b/chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cc
new file mode 100644
index 00000000..3a21e72e
--- /dev/null
+++ b/chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cc
@@ -0,0 +1,499 @@
+/*
+ *  kis_tool_perspectivegrid.cc - part of Chalk
+ *
+ *  Copyright (c) 2006 Cyrille Berger <[email protected]>
+ *
+ *  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 <kis_tool_perspectivegrid.h>
+
+#include <tqapplication.h>
+#include <tqpainter.h>
+#include <tqregion.h>
+#include <tqwidget.h>
+#include <tqlayout.h>
+
+#include <kaction.h>
+#include <kdebug.h>
+#include <kcommand.h>
+#include <klocale.h>
+
+#include <kis_button_press_event.h>
+#include <kis_button_release_event.h>
+#include <kis_canvas_controller.h>
+#include <kis_canvas_painter.h>
+#include <kis_canvas_subject.h>
+#include <kis_cursor.h>
+#include <kis_image.h>
+#include <kis_move_event.h>
+#include <kis_perspective_grid_manager.h>
+#include <kis_selected_transaction.h>
+#include <kis_painter.h>
+#include <kis_paintop_registry.h>
+#include <kis_vec.h>
+
+#include <kis_canvas.h>
+
+KisToolPerspectiveGrid::KisToolPerspectiveGrid()
+    : super(i18n("Perspective Grid")), m_handleSize(13), m_handleHalfSize(6)
+
+{
+    setName("tool_perspectivegrid");
+
+    m_subject = 0;
+    m_dragging = false;
+}
+
+KisToolPerspectiveGrid::~KisToolPerspectiveGrid()
+{
+}
+
+void KisToolPerspectiveGrid::activate()
+{
+    m_subject->perspectiveGridManager()->startEdition();
+    if( ! m_subject->currentImg()->perspectiveGrid()->hasSubGrids() )
+    {
+        m_mode = MODE_CREATION;
+        m_points.clear();
+    } else {
+        m_mode = MODE_EDITING;
+        drawGrid();
+    }
+    super::activate();
+}
+
+void KisToolPerspectiveGrid::deactivate()
+{
+    m_subject->perspectiveGridManager()->stopEdition();
+    m_subject->perspectiveGridManager()->setGridVisible( true);
+    if( m_mode == MODE_CREATION )
+    {
+        drawGridCreation();
+        m_points.clear();
+        m_dragging = false;
+    } else {
+        drawGrid();
+    }
+}
+
+
+void KisToolPerspectiveGrid::update (KisCanvasSubject *subject)
+{
+    m_subject = subject;
+    super::update(m_subject);
+}
+
+bool KisToolPerspectiveGrid::mouseNear(const TQPoint& mousep, const TQPoint point)
+{
+    return (TQRect( (point.x() - m_handleHalfSize), (point.y() - m_handleHalfSize), m_handleSize, m_handleSize).tqcontains(mousep) );
+}
+
+void KisToolPerspectiveGrid::buttonPress(KisButtonPressEvent *event)
+{
+    KisPerspectiveGrid* pGrid = m_subject->currentImg()->perspectiveGrid();
+    if(!pGrid->hasSubGrids() && m_mode != MODE_CREATION)
+    { // it's possible that the perspectiv grid was cleared
+        m_mode = MODE_CREATION;
+        m_points.clear();
+    }
+    if( m_mode == MODE_CREATION && event->button() == Qt::LeftButton)
+    {
+        m_dragging = true;
+
+        if (m_points.isEmpty())
+        {
+            m_dragStart = event->pos();
+            m_dragEnd = event->pos();
+            m_points.append(m_dragStart);
+        } else {
+            m_dragStart = m_dragEnd;
+            m_dragEnd = event->pos();
+            drawGridCreation();
+        }
+    } else if(m_mode == MODE_EDITING && event->button() == Qt::LeftButton){
+        // Look for the handle which was pressed
+        if (!m_subject)
+            return;
+        KisCanvasController *controller = m_subject->canvasController();
+        Q_ASSERT(controller);
+        TQPoint mousep = controller->windowToView( event->pos().roundTQPoint() );
+
+        for( TQValueList<KisSubPerspectiveGrid*>::const_iterator it = pGrid->begin(); it != pGrid->end(); ++it)
+        {
+            KisSubPerspectiveGrid* grid = *it;
+            if( mouseNear( mousep, controller->windowToView(grid->topLeft()->roundTQPoint() ) ) )
+            {
+                kdDebug() << " PRESS TOPLEFT HANDLE " << endl;
+                m_mode = MODE_DRAGING_NODE;
+                m_selectedNode1 = grid->topLeft();
+                break;
+            }
+            else if( mouseNear( mousep, controller->windowToView(grid->topRight()->roundTQPoint() ) ) )
+            {
+                kdDebug() << " PRESS TOPRIGHT HANDLE " << endl;
+                m_mode = MODE_DRAGING_NODE;
+                m_selectedNode1 = grid->topRight();
+                break;
+            }
+            else if( mouseNear( mousep, controller->windowToView(grid->bottomLeft()->roundTQPoint() ) ) )
+            {
+                kdDebug() << " PRESS BOTTOMLEFT HANDLE " << endl;
+                m_mode = MODE_DRAGING_NODE;
+                m_selectedNode1 = grid->bottomLeft();
+                break;
+            }
+            else if( mouseNear( mousep, controller->windowToView(grid->bottomRight()->roundTQPoint() ) ) )
+            {
+                kdDebug() << " PRESS BOTTOMRIGHT HANDLE " << endl;
+                m_mode = MODE_DRAGING_NODE;
+                m_selectedNode1 = grid->bottomRight();
+                break;
+            }
+            else if( !grid->leftGrid() && mouseNear( mousep, controller->windowToView( ((*grid->topLeft() + *grid->bottomLeft() )*0.5) ).roundTQPoint() ) )
+            {
+                kdDebug() << " PRESS LEFT HANDLE " << endl;
+                m_mode = MODE_DRAGING_TRANSLATING_TWONODES;
+                drawGrid();
+                m_selectedNode1 = new KisPerspectiveGridNode( *grid->topLeft() );
+                m_selectedNode2 = new KisPerspectiveGridNode( *grid->bottomLeft() );
+                KisSubPerspectiveGrid* newsubgrid = new KisSubPerspectiveGrid( m_selectedNode1, grid->topLeft() , grid->bottomLeft(), m_selectedNode2);
+                m_dragEnd = event->pos();
+                newsubgrid->setRightGrid( grid);
+                grid->setLeftGrid( newsubgrid);
+                pGrid->addNewSubGrid( newsubgrid);
+                drawGrid();
+                break;
+            }
+            else if( !grid->rightGrid() && mouseNear( mousep, controller->windowToView( ((*grid->topRight() + *grid->bottomRight() )*0.5) ).roundTQPoint() ) )
+            {
+                kdDebug() << " PRESS RIGHT HANDLE " << endl;
+                m_mode = MODE_DRAGING_TRANSLATING_TWONODES;
+                drawGrid();
+                m_selectedNode1 = new KisPerspectiveGridNode( *grid->topRight() );
+                m_selectedNode2 = new KisPerspectiveGridNode( *grid->bottomRight() );
+                KisSubPerspectiveGrid* newsubgrid = new KisSubPerspectiveGrid( grid->topRight(), m_selectedNode1, m_selectedNode2, grid->bottomRight());
+                m_dragEnd = event->pos();
+                newsubgrid->setLeftGrid( grid);
+                grid->setRightGrid( newsubgrid);
+                pGrid->addNewSubGrid( newsubgrid);
+                drawGrid();
+                break;
+            }
+            else if( !grid->topGrid() && mouseNear( mousep, controller->windowToView( ((*grid->topLeft() + *grid->topRight() )*0.5) ).roundTQPoint() ) )
+            {
+                kdDebug() << " PRESS TOP HANDLE " << endl;
+                m_mode = MODE_DRAGING_TRANSLATING_TWONODES;
+                drawGrid();
+                m_selectedNode1 = new KisPerspectiveGridNode( *grid->topLeft() );
+                m_selectedNode2 = new KisPerspectiveGridNode( *grid->topRight() );
+                KisSubPerspectiveGrid* newsubgrid = new KisSubPerspectiveGrid( m_selectedNode1, m_selectedNode2,  grid->topRight(), grid->topLeft() );
+                m_dragEnd = event->pos();
+                newsubgrid->setBottomGrid( grid);
+                grid->setTopGrid( newsubgrid);
+                pGrid->addNewSubGrid( newsubgrid);
+                drawGrid();
+                break;
+            }
+            else if( !grid->bottomGrid() && mouseNear( mousep, controller->windowToView( ((*grid->bottomLeft() + *grid->bottomRight() )*0.5) ).roundTQPoint() ) )
+            {
+                kdDebug() << " PRESS BOTTOM HANDLE " << endl;
+                m_mode = MODE_DRAGING_TRANSLATING_TWONODES;
+                drawGrid();
+                m_selectedNode1 = new KisPerspectiveGridNode( *grid->bottomLeft() );
+                m_selectedNode2 = new KisPerspectiveGridNode( *grid->bottomRight() );
+                KisSubPerspectiveGrid* newsubgrid = new KisSubPerspectiveGrid( grid->bottomLeft(), grid->bottomRight(), m_selectedNode2, m_selectedNode1);
+                m_dragEnd = event->pos();
+                newsubgrid->setTopGrid( grid);
+                grid->setBottomGrid( newsubgrid);
+                pGrid->addNewSubGrid( newsubgrid);
+                drawGrid();
+                break;
+            }
+        }
+    }
+}
+
+
+void KisToolPerspectiveGrid::move(KisMoveEvent *event)
+{
+    if( m_mode == MODE_CREATION )
+    {
+        if (m_dragging) {
+            // erase old lines on canvas
+            drawGridCreation();
+            // get current mouse position
+            m_dragEnd = event->pos();
+            // draw new lines on canvas
+            drawGridCreation();
+        }
+    } else {
+        if( m_mode == MODE_DRAGING_NODE)
+        {
+            drawGrid();
+            m_selectedNode1->setX( event->pos().x() );
+            m_selectedNode1->setY( event->pos().y() );
+            drawGrid();
+        }
+        if( m_mode == MODE_DRAGING_TRANSLATING_TWONODES)
+        {
+            drawGrid();
+            KisPoint translate = event->pos() - m_dragEnd;
+            m_dragEnd = event->pos();
+            *m_selectedNode1 += translate;;
+            *m_selectedNode2 += translate;;
+            drawGrid();
+        }
+    }
+}
+
+void KisToolPerspectiveGrid::buttonRelease(KisButtonReleaseEvent *event)
+{
+    if (!m_subject)
+        return;
+
+    if( m_mode == MODE_CREATION  )
+    {
+        if (m_dragging && event->button() == Qt::LeftButton)  {
+            m_dragging = false;
+            m_points.append (m_dragEnd);
+            if( m_points.size() == 4)
+            { // wow we have a grid, isn't that cool ?
+                drawGridCreation(); // Clean
+                m_subject->currentImg()->perspectiveGrid()->addNewSubGrid( new KisSubPerspectiveGrid( new KisPerspectiveGridNode(m_points[0]), new KisPerspectiveGridNode(m_points[1]), new KisPerspectiveGridNode(m_points[2]), new KisPerspectiveGridNode(m_points[3]) ) );
+                drawGrid();
+                m_mode = MODE_EDITING;
+            }
+        }
+    } else {
+        m_mode = MODE_EDITING;
+        m_selectedNode1 = 0;
+        m_selectedNode2 = 0;
+    }
+
+/*    if (m_dragging && event->button() == RightButton) {
+
+        }*/
+}
+
+void KisToolPerspectiveGrid::paint(KisCanvasPainter& gc)
+{
+    if( m_mode == MODE_CREATION )
+    {
+        drawGridCreation(gc);
+    } else {
+        drawGrid(gc);
+    }
+}
+
+void KisToolPerspectiveGrid::paint(KisCanvasPainter& gc, const TQRect&)
+{
+    if( m_mode == MODE_CREATION )
+    {
+        drawGridCreation(gc);
+    } else {
+        drawGrid(gc);
+    }
+}
+
+void KisToolPerspectiveGrid::drawGridCreation()
+{
+    if (m_subject) {
+        KisCanvasController *controller = m_subject->canvasController();
+        KisCanvas *canvas = controller->kiscanvas();
+        KisCanvasPainter gc(canvas);
+
+        drawGridCreation(gc);
+    }
+}
+
+
+void KisToolPerspectiveGrid::drawGridCreation(KisCanvasPainter& gc)
+{
+    if (!m_subject)
+        return;
+
+    TQPen pen(TQt::white);
+
+    gc.setPen(pen);
+        gc.setRasterOp(TQt::XorROP);
+
+    KisCanvasController *controller = m_subject->canvasController();
+    KisPoint start, end;
+    TQPoint startPos;
+    TQPoint endPos;
+
+    if (m_dragging) {
+        startPos = controller->windowToView(m_dragStart.floorTQPoint());
+        endPos = controller->windowToView(m_dragEnd.floorTQPoint());
+        gc.drawLine(startPos, endPos);
+    } else {
+        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;
+            }
+        }
+    }
+}
+
+void KisToolPerspectiveGrid::drawSmallRectangle(KisCanvasPainter& gc, TQPoint p)
+{
+    gc.drawRect( p.x() - m_handleHalfSize - 1, p.y() - m_handleHalfSize - 1, m_handleSize, m_handleSize);
+}
+
+void KisToolPerspectiveGrid::drawGrid(KisCanvasPainter& gc)
+{
+
+    if (!m_subject)
+        return;
+
+    KisCanvasController *controller = m_subject->canvasController();
+
+    TQPen pen(TQt::white);
+    TQPoint startPos;
+    TQPoint endPos;
+
+    gc.setPen(pen);
+    gc.setRasterOp(TQt::XorROP);
+    KisPerspectiveGrid* pGrid = m_subject->currentImg()->perspectiveGrid();
+
+    for( TQValueList<KisSubPerspectiveGrid*>::const_iterator it = pGrid->begin(); it != pGrid->end(); ++it)
+    {
+        KisSubPerspectiveGrid* grid = *it;
+        int index = grid->index();
+        bool drawLeft = !(grid->leftGrid() && (index > grid->leftGrid()->index() ) );
+        bool drawRight = !(grid->rightGrid() && (index > grid->rightGrid()->index() ) );
+        bool drawTop = !(grid->topGrid() && (index > grid->topGrid()->index() ) );
+        bool drawBottom = !(grid->bottomGrid() && (index > grid->bottomGrid()->index() ) );
+        if(drawTop) {
+            startPos = controller->windowToView(grid->topLeft()->roundTQPoint());
+            endPos = controller->windowToView(grid->topRight()->roundTQPoint());
+            gc.drawLine( startPos, endPos );
+            if( !grid->topGrid() )
+            {
+                drawSmallRectangle(gc, (endPos + startPos) / 2);
+            }
+            if(drawLeft) {
+                drawSmallRectangle(gc, startPos);
+            }
+            if(drawRight) {
+                drawSmallRectangle(gc, endPos);
+            }
+        }
+        if(drawRight) {
+            startPos = controller->windowToView(grid->topRight()->roundTQPoint());
+            endPos = controller->windowToView(grid->bottomRight()->roundTQPoint());
+            gc.drawLine( startPos, endPos );
+            if( !grid->rightGrid() )
+            {
+                drawSmallRectangle(gc, (endPos + startPos) / 2);
+            }
+        }
+        if(drawBottom) {
+            startPos = controller->windowToView(grid->bottomRight()->roundTQPoint());
+            endPos = controller->windowToView(grid->bottomLeft()->roundTQPoint());
+            gc.drawLine( startPos, endPos );
+            if( !grid->bottomGrid() )
+            {
+                drawSmallRectangle(gc, (endPos + startPos) / 2);
+            }
+            if(drawLeft) {
+                drawSmallRectangle(gc, endPos);
+            }
+            if(drawRight) {
+                drawSmallRectangle(gc, startPos);
+            }
+        }
+        if(drawLeft) {
+            startPos = controller->windowToView(grid->bottomLeft()->roundTQPoint());
+            endPos = controller->windowToView(grid->topLeft()->roundTQPoint());
+            gc.drawLine( startPos, endPos );
+            if( !grid->leftGrid() )
+            {
+                drawSmallRectangle(gc, (endPos + startPos) / 2);
+            }
+        }
+        KisPoint tbVpf = grid->topBottomVanishingPoint();
+        if( fabs(tbVpf.x()) < 30000000. && fabs(tbVpf.y()) < 30000000.)
+        {
+            TQPoint tbVp = controller->windowToView(tbVpf.roundTQPoint());
+            gc.drawLine( tbVp.x() - m_handleHalfSize, tbVp.y() - m_handleHalfSize, tbVp.x() + m_handleHalfSize, tbVp.y() + m_handleHalfSize);
+            gc.drawLine( tbVp.x() - m_handleHalfSize, tbVp.y() + m_handleHalfSize, tbVp.x() + m_handleHalfSize, tbVp.y() - m_handleHalfSize);
+        }
+        KisPoint lrVpf = grid->leftRightVanishingPoint();
+        if( fabs(lrVpf.x()) < 30000000. && fabs(lrVpf.y()) < 30000000.)
+        { // Don't display it, if it is too far, or you get funny results
+            TQPoint lrVp = controller->windowToView(lrVpf.roundTQPoint());
+            gc.drawLine( lrVp.x() - m_handleHalfSize, lrVp.y() - m_handleHalfSize, lrVp.x() + m_handleHalfSize, lrVp.y() + m_handleHalfSize);
+            gc.drawLine( lrVp.x() - m_handleHalfSize, lrVp.y() + m_handleHalfSize, lrVp.x() + m_handleHalfSize, lrVp.y() - m_handleHalfSize);
+        }
+    }
+}
+
+void KisToolPerspectiveGrid::drawGrid()
+{
+    if (m_subject) {
+        KisCanvasController *controller = m_subject->canvasController();
+        KisCanvas *canvas = controller->kiscanvas();
+        KisCanvasPainter gc(canvas);
+
+        drawGrid(gc);
+    }
+
+}
+
+
+void KisToolPerspectiveGrid::setup(KActionCollection *collection)
+{
+    m_action = static_cast<KRadioAction *>(collection->action(name()));
+
+    if (m_action == 0) {
+        m_action = new KRadioAction(i18n("&Perspective Grid"),
+                                    "tool_perspectivegrid" ,
+                        0,
+                        this,
+                        TQT_SLOT(activate()),
+                        collection,
+                        name());
+        Q_CHECK_PTR(m_action);
+        m_action->setExclusiveGroup("tools");
+        m_action->setToolTip(i18n("Edit the perspective grid"));
+        m_ownAction = true;
+    }
+}
+
+
+// TQWidget* KisToolPerspectiveGrid::createOptionWidget(TQWidget* tqparent)
+// {
+//     return 0;
+// }
+//
+// TQWidget* KisToolPerspectiveGrid::optionWidget()
+// {
+//         return 0;
+// }
+
+
+#include "kis_tool_perspectivegrid.moc"