diff options
Diffstat (limited to 'chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cpp')
| -rw-r--r-- | chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cpp | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cpp b/chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cpp new file mode 100644 index 000000000..7d5df0f2b --- /dev/null +++ b/chalk/plugins/tools/tool_perspectivegrid/kis_tool_perspectivegrid.cpp @@ -0,0 +1,499 @@ +/* + * kis_tool_perspectivegrid.cpp - part of Chalk + * + * Copyright (c) 2006 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 <kis_tool_perspectivegrid.h> + +#include <tqapplication.h> +#include <tqpainter.h> +#include <tqregion.h> +#include <tqwidget.h> +#include <tqlayout.h> + +#include <tdeaction.h> +#include <kdebug.h> +#include <kcommand.h> +#include <tdelocale.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).contains(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(TDEActionCollection *collection) +{ + m_action = static_cast<TDERadioAction *>(collection->action(name())); + + if (m_action == 0) { + m_action = new TDERadioAction(i18n("&Perspective Grid"), + "tool_perspectivegrid" , + 0, + this, + TQT_SLOT(activate()), + collection, + name()); + TQ_CHECK_PTR(m_action); + m_action->setExclusiveGroup("tools"); + m_action->setToolTip(i18n("Edit the perspective grid")); + m_ownAction = true; + } +} + + +// TQWidget* KisToolPerspectiveGrid::createOptionWidget(TQWidget* parent) +// { +// return 0; +// } +// +// TQWidget* KisToolPerspectiveGrid::optionWidget() +// { +// return 0; +// } + + +#include "kis_tool_perspectivegrid.moc" |