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/*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <QDebug>
#include "UBGraphicsCache.h"
#include "core/UBApplication.h"
#include "board/UBBoardController.h"
#include "board/UBBoardView.h"
#include "domain/UBGraphicsScene.h"
#include "core/memcheck.h"
UBGraphicsCache::UBGraphicsCache():QGraphicsRectItem()
, mMaskColor(Qt::black)
, mMaskShape(eMaskShape_Circle)
, mShapeWidth(100)
, mDrawMask(false)
{
// Get the board size and pass it to the shape
QRect boardRect = UBApplication::boardController->displayView()->rect();
setRect(-15*boardRect.width(), -15*boardRect.height(), 30*boardRect.width(), 30*boardRect.height());
setData(Qt::UserRole, QVariant("Cache"));
setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::Cache)); //Necessary to set if we want z value to be assigned correctly
}
UBGraphicsCache::~UBGraphicsCache()
{
}
UBItem* UBGraphicsCache::deepCopy() const
{
UBGraphicsCache* copy = new UBGraphicsCache();
copyItemParameters(copy);
// TODO UB 4.7 ... complete all members ?
return copy;
}
void UBGraphicsCache::copyItemParameters(UBItem *copy) const
{
UBGraphicsCache *cp = dynamic_cast<UBGraphicsCache*>(copy);
if (cp)
{
cp->setPos(this->pos());
cp->setRect(this->rect());
cp->setTransform(this->transform());
}
}
QColor UBGraphicsCache::maskColor()
{
return mMaskColor;
}
void UBGraphicsCache::setMaskColor(QColor color)
{
mMaskColor = color;
update();
}
eMaskShape UBGraphicsCache::maskshape()
{
return mMaskShape;
}
void UBGraphicsCache::setMaskShape(eMaskShape shape)
{
mMaskShape = shape;
update();
}
void UBGraphicsCache::init()
{
setFlag(QGraphicsItem::ItemIsMovable, true);
setFlag(QGraphicsItem::ItemIsSelectable, true);
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
void UBGraphicsCache::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->setBrush(mMaskColor);
painter->setPen(mMaskColor);
// Draw the hole
QPainterPath path;
path.addRect(rect());
if(mDrawMask)
{
if(eMaskShape_Circle == mMaskShape)
{
path.addEllipse(mShapePos, mShapeWidth, mShapeWidth);
}
else if(eMaskShap_Rectangle == mMaskShape)
{
path.addRect(mShapePos.x() - mShapeWidth, mShapePos.y() - mShapeWidth, 2*mShapeWidth, 2*mShapeWidth);
}
path.setFillRule(Qt::OddEvenFill);
}
painter->drawPath(path);
}
void UBGraphicsCache::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event);
mShapePos = event->pos();
mDrawMask = true;
// Note: if refresh issues occure, replace the following 3 lines by: update();
update(updateRect(event->pos()));
mOldShapeWidth = mShapeWidth;
mOldShapePos = event->pos();
}
void UBGraphicsCache::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
mShapePos = event->pos();
// Note: if refresh issues occure, replace the following 3 lines by: update();
update(updateRect(event->pos()));
mOldShapeWidth = mShapeWidth;
mOldShapePos = event->pos();
}
void UBGraphicsCache::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event);
mDrawMask = false;
// Note: if refresh issues occure, replace the following 3 lines by: update();
update(updateRect(event->pos()));
mOldShapeWidth = mShapeWidth;
mOldShapePos = event->pos();
}
int UBGraphicsCache::shapeWidth()
{
return mShapeWidth;
}
void UBGraphicsCache::setShapeWidth(int width)
{
mShapeWidth = width;
update();
}
QRectF UBGraphicsCache::updateRect(QPointF currentPoint)
{
QRectF r;
int x;
int y;
x = qMin(currentPoint.x() - mShapeWidth, mOldShapePos.x() - mOldShapeWidth);
y = qMin(currentPoint.y() - mShapeWidth, mOldShapePos.y() - mOldShapeWidth);
r = QRect( x,
y,
qAbs(currentPoint.x() - mOldShapePos.x()) + 2*mShapeWidth,
qAbs(currentPoint.y() - mOldShapePos.y()) + 2*mShapeWidth);
return r;
}