void AbstractSelection::mouseReleaseEvent(QMouseEvent *event, ImageArea &imageArea)
{
int right = mTopLeftPoint.x() > mBottomRightPoint.x() ? mTopLeftPoint.x() : mBottomRightPoint.x();
int bottom = mTopLeftPoint.y() > mBottomRightPoint.y() ? mTopLeftPoint.y() : mBottomRightPoint.y();
int left = mTopLeftPoint.x() < mBottomRightPoint.x() ? mTopLeftPoint.x() : mBottomRightPoint.x();
int top = mTopLeftPoint.y() < mBottomRightPoint.y() ? mTopLeftPoint.y() : mBottomRightPoint.y();
mBottomRightPoint = QPoint(right, bottom);
mTopLeftPoint = QPoint(left, top);
if (mIsSelectionExists)
{
updateCursor(event, imageArea);
if (mButton == Qt::RightButton && !mIsMouseMoved)
{
showMenu(imageArea);
paint(imageArea);
drawBorder(imageArea);
mIsPaint = false;
mIsSelectionMoving = mIsImageSelected = false;
}
else if (mIsSelectionMoving)
{
imageArea.setImage(mImageCopy);
completeMoving(imageArea);
paint(imageArea);
drawBorder(imageArea);
mIsPaint = false;
mIsSelectionMoving = false;
}
else if (mIsSelectionResizing)
{
imageArea.setImage(mImageCopy);
paint(imageArea);
completeResizing(imageArea);
paint(imageArea);
drawBorder(imageArea);
mIsPaint = false;
mIsSelectionResizing = false;
}
}
if (mIsPaint)
{
if (event->button() == Qt::LeftButton)
{
imageArea.setImage(mImageCopy);
if (mTopLeftPoint != mBottomRightPoint)
{
imageArea.setImage(mImageCopy);
paint(imageArea);
completeSelection(imageArea);
paint(imageArea);
mIsSelectionExists = true;
}
drawBorder(imageArea);
mIsPaint = false;
}
}
mIsSelectionAdjusting = false;
}
void CurveLineInstrument::mouseMoveEvent(QMouseEvent *event, ImageArea &imageArea)
{
if(imageArea.isPaint())
{
switch(mPointsCount)
{
//draw linear Bezier curve
case 1:
mEndPoint = event->pos();
break;
//draw square Bezier curve
case 2:
mFirstControlPoint = mSecondControlPoint = event->pos();
break;
//draw cubic Bezier curve
case 0:
mSecondControlPoint = event->pos();
break;
}
imageArea.setImage(mImageCopy);
if(event->buttons() & Qt::LeftButton)
paint(imageArea, false);
else if(event->buttons() & Qt::RightButton)
paint(imageArea, true);
}
}
void CurveLineInstrument::mouseReleaseEvent(QMouseEvent *event, ImageArea &imageArea)
{
if(imageArea.isPaint())
{
imageArea.setImage(mImageCopy);
if(event->button() == Qt::LeftButton)
paint(imageArea, false);
else if(event->button() == Qt::RightButton)
paint(imageArea, true);
imageArea.setIsPaint(false);
}
}
void AbstractSelection::mouseMoveEvent(QMouseEvent *event, ImageArea &imageArea)
{
mIsMouseMoved = true;
if (mIsSelectionExists)
{
if (mIsSelectionMoving)
{
mBottomRightPoint = event->pos() +
mMoveDiffPoint;
mTopLeftPoint = event->pos() + mMoveDiffPoint -
QPoint(mWidth - 1, mHeight - 1);
imageArea.setImage(mImageCopy);
move(imageArea);
drawBorder(imageArea);
mIsPaint = false;
}
else if (mIsSelectionResizing)
{
mBottomRightPoint = event->pos();
mHeight = fabs(mTopLeftPoint.y() - mBottomRightPoint.y()) + 1;
mWidth = fabs(mTopLeftPoint.x() - mBottomRightPoint.x()) + 1;
imageArea.setImage(mImageCopy);
resize(imageArea);
drawBorder(imageArea);
mIsPaint = false;
}
}
if (mIsPaint)
{
mBottomRightPoint = event->pos();
mHeight = fabs(mTopLeftPoint.y() - mBottomRightPoint.y()) + 1;
mWidth = fabs(mTopLeftPoint.x() - mBottomRightPoint.x()) + 1;
imageArea.setImage(mImageCopy);
drawBorder(imageArea);
select(imageArea);
}
updateCursor(event, imageArea);
}
void AbstractSelection::clearSelection(ImageArea &imageArea)
{
if (mIsSelectionExists)
{
imageArea.setImage(mImageCopy);
paint(imageArea);
mImageCopy = *imageArea.getImage();
mIsSelectionExists = mIsSelectionMoving = mIsSelectionResizing
= mIsPaint = mIsImageSelected = false;
imageArea.update();
imageArea.restoreCursor();
clear();
}
}
void LineInstrument::mouseMoveEvent(QMouseEvent *event, ImageArea &imageArea)
{
if(imageArea.isPaint())
{
mEndPoint = event->pos();
imageArea.setImage(mImageCopy);
if(event->buttons() & Qt::LeftButton)
{
paint(imageArea, false);
}
else if(event->buttons() & Qt::RightButton)
{
paint(imageArea, true);
}
}
}
void AbstractSelection::mousePressEvent(QMouseEvent *event, ImageArea &imageArea)
{
mButton = event->button();
mIsMouseMoved = false;
if (mIsSelectionExists)
{
imageArea.setImage(mImageCopy);
paint(imageArea);
if (mButton == Qt::RightButton)
{
mIsSelectionAdjusting = true;
startAdjusting(imageArea);
}
if (event->pos().x() > mTopLeftPoint.x() &&
event->pos().x() < mBottomRightPoint.x() &&
event->pos().y() > mTopLeftPoint.y() &&
event->pos().y() < mBottomRightPoint.y())
{
if (!mIsSelectionAdjusting)
{
makeUndoCommand(imageArea);
}
if (!mIsImageSelected)
{
startMoving(imageArea);
if (!mIsSelectionAdjusting)
{
mIsImageSelected = true;
}
}
else
{
drawBorder(imageArea);
}
mIsSelectionMoving = true;
mMoveDiffPoint = mBottomRightPoint - event->pos();
return;
}
else if (event->pos().x() >= mBottomRightPoint.x() &&
event->pos().x() <= mBottomRightPoint.x() + 6 &&
event->pos().y() >= mBottomRightPoint.y() &&
event->pos().y() <= mBottomRightPoint.y() + 6)
{
if (!mIsSelectionAdjusting)
{
makeUndoCommand(imageArea);
}
startResizing(imageArea);
mIsSelectionResizing = true;
return;
}
else
{
clearSelection(imageArea);
}
}
if (event->button() == Qt::LeftButton)
{
mBottomRightPoint = mTopLeftPoint = event->pos();
mHeight = mWidth = 0;
mImageCopy = *imageArea.getImage();
startSelection(imageArea);
mIsPaint = true;
}
}