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Improved Polygon rendering by splittig them into lower complexity polygons.
Improved Polygon rendering by splittig them into lower complexity polygons.
jeandet - - Load All Authors

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r15:4df93d51b13e default
r15:4df93d51b13e default
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pcbgraphicview.cpp
147 lines | 4.7 KiB | text/x-c | CppLexer
/ test / PCBView / pcbgraphicview.cpp
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jeandet
PCB Viewer is working but still WIP.
 r7 /*------------------------------------------------------------------------------
-- This file is a part of the Kicad Tools Software
-- Copyright (C) 2015, Plasma Physics Laboratory - CNRS
--
-- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------------*/
/*-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@member.fsf.org
----------------------------------------------------------------------------*/
#include "pcbgraphicview.h"
#include <math.h>
#include <QGLWidget>
jeandet
Added Polygon drawing but huge perf issue, to be solved.
 r14 #include <QOpenGLWidget>
#include <QPixmapCache>
jeandet
PCB Viewer is working but still WIP.
 r7
PCBGraphicView::PCBGraphicView(QWidget *parent)
:QGraphicsView(parent)
{
this->setRenderHint(QPainter::Antialiasing, true);
this->setDragMode(QGraphicsView::RubberBandDrag);
this->setOptimizationFlags(QGraphicsView::DontSavePainterState);
this->setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
this->setContextMenuPolicy(Qt::ActionsContextMenu);
this->setTransformationAnchor(AnchorUnderMouse);
this->scale(qreal(0.8), qreal(0.8));
this->setRubberBandSelectionMode(Qt::ContainsItemBoundingRect);
this->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
this->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
jeandet
Added Polygon drawing but huge perf issue, to be solved.
 r14 // this->setViewport(new QOpenGLWidget());
QPixmapCache::setCacheLimit(1024*1024*4);
jeandet
PCB Viewer is working but still WIP.
 r7 this->ctrl_pressed = false;
this->shift_pressed = false;
}
void PCBGraphicView::keyPressEvent(QKeyEvent *event)
{
switch (event->key()) {
case Qt::Key_Plus:
zoomIn();
break;
case Qt::Key_Minus:
zoomOut();
break;
case Qt::Key_Shift:
this->shift_pressed = true;
break;
case Qt::Key_Control:
this->ctrl_pressed = true;
break;
default:
QGraphicsView::keyPressEvent(event);
}
}
void PCBGraphicView::keyReleaseEvent(QKeyEvent *event)
{
switch (event->key()) {
case Qt::Key_Shift:
this->shift_pressed = false;
break;
case Qt::Key_Control:
this->ctrl_pressed = false;
break;
default:
QGraphicsView::keyReleaseEvent(event);
}
}
void PCBGraphicView::wheelEvent(QWheelEvent *event)
{
jeandet
Added Polygon drawing but huge perf issue, to be solved.
 r14 if (event->modifiers() & Qt::ControlModifier)
jeandet
PCB Viewer is working but still WIP.
 r7 {
jeandet
Added Polygon drawing but huge perf issue, to be solved.
 r14 event->accept();
if (event->orientation()== Qt::Vertical)
scaleView(pow((double)2, event->delta() / 240.0));
jeandet
PCB Viewer is working but still WIP.
 r7 }
else
jeandet
Added Polygon drawing but huge perf issue, to be solved.
 r14 {
if (event->modifiers() & Qt::ShiftModifier)
{
event->accept();
QWheelEvent* tempevent = new QWheelEvent(event->pos(),(event->delta()/10),event->buttons(),event->modifiers(),Qt::Horizontal);
QGraphicsView::wheelEvent(tempevent);
}
else
QGraphicsView::wheelEvent(event);
}
jeandet
PCB Viewer is working but still WIP.
 r7 }
void PCBGraphicView::drawBackground(QPainter *painter, const QRectF &rect)
{
Q_UNUSED(rect);
// Shadow
QRectF sceneRect = this->sceneRect();
jeandet
Improved Polygon rendering by splittig them into lower complexity polygons.
 r15 QRectF rightShadow(sceneRect.right(), sceneRect.top() + 2, 2, sceneRect.height());
QRectF bottomShadow(sceneRect.left() + 2, sceneRect.bottom(), sceneRect.width(), 2);
jeandet
PCB Viewer is working but still WIP.
 r7 if (rightShadow.intersects(rect) || rightShadow.contains(rect))
painter->fillRect(rightShadow, Qt::darkGray);
if (bottomShadow.intersects(rect) || bottomShadow.contains(rect))
painter->fillRect(bottomShadow, Qt::darkGray);
// Fill
QLinearGradient gradient(sceneRect.topLeft(), sceneRect.bottomRight());
gradient.setColorAt(0, Qt::white);
gradient.setColorAt(1, Qt::lightGray);
painter->fillRect(rect.intersected(sceneRect), gradient);
painter->setBrush(Qt::NoBrush);
painter->drawRect(sceneRect);
}
void PCBGraphicView::scaleView(qreal scaleFactor)
{
qreal factor = transform().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width();
if (factor < 0.02 || factor > 1000)
return;
scale(scaleFactor, scaleFactor);
}
void PCBGraphicView::zoomIn()
{
scaleView(qreal(1.2));
}
void PCBGraphicView::zoomOut()
{
scaleView(1 / qreal(1.2));
}