bool ClipRect::clip(RectF &dstRect, RectF &srcRect) const
{
if (dstRect.right() <= m_rect.left() || dstRect.left() >= m_rect.right())
return false;
if (dstRect.bottom() <= m_rect.top() || dstRect.top() >= m_rect.bottom())
return false;
RectF dst = dstRect;
RectF src = srcRect;
float clipLeft = m_rect.left() - dstRect.left();
if (clipLeft > 0)
{
dst.x += clipLeft;
dst.width -= clipLeft;
clipLeft *= srcRect.width/dstRect.width;
src.x += clipLeft;
src.width -= clipLeft;
}
float clipRight = dstRect.right() - m_rect.right();
if (clipRight > 0)
{
dst.width -= clipRight;
clipRight *= srcRect.width/dstRect.width;
src.width -= clipRight;
}
float clipTop = m_rect.top() - dstRect.top();
if (clipTop > 0)
{
dst.y += clipTop;
dst.height -= clipTop;
clipTop *= srcRect.height/dstRect.height;
src.y += clipTop;
src.height -= clipTop;
}
float clipBottom = dstRect.bottom() - m_rect.bottom();
if (clipBottom > 0)
{
dst.height -= clipBottom;
clipBottom *= srcRect.height/dstRect.height;
src.height -= clipBottom;
}
dstRect = dst;
srcRect = src;
return true;
}
// ドラッグアンドドロップ開始
void GridLabel::startDragAndDrop(QMouseEvent *ev)
{
Q_UNUSED(ev);
EditData::ImageData *p = m_pEditData->getImageDataFromNo(m_Index);
if (!p)
{
return;
}
QImage img = p->Image.copy(m_pEditData->getCatchRect().toRect());
QPixmap pix = QPixmap::fromImage(img);
QByteArray itemData;
QDataStream stream(&itemData, QIODevice::WriteOnly);
RectF rect = m_pEditData->getCatchRect();
// stream << rect << mScale << m_Index ;
stream << rect.left() << rect.top() << rect.right() << rect.bottom() << mScale << m_Index;
QMimeData *mimeData = new QMimeData;
mimeData->setData("editor/selected-image", itemData);
QPainter painter;
painter.begin(&pix);
painter.fillRect(pix.rect(), QColor(127, 127, 127, 127));
painter.end();
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setPixmap(pix);
drag->setHotSpot(QPoint((rect.right() - rect.left()) / 2, (rect.bottom() - rect.top()) / 2));
// qDebug() << "x:" << ev->pos().x() << " y:" << ev->pos().y() ;
m_pEditData->setDraggingImage(true);
drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction);
m_pEditData->setDraggingImage(false);
}
// 描画イベント
void GridLabel::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
QPen pen, penCenter;
pen.setColor(QColor(64, 64, 64, 255));
pen.setWidth(mScale);
penCenter.setColor(QColor(255, 255, 0, 255));
penCenter.setWidth(mScale);
EditData::ImageData *p = m_pEditData->getImageDataFromNo(m_Index);
if (!p)
{
return;
}
if (m_pEditData)
{
QSize size = p->Image.size() * mScale;
size += QSize(mScale, mScale);
resize(size);
}
if (m_bDrawGrid)
{
painter.setPen(pen);
for (int x = 0; x <= size().width(); x += m_GridSize.x() * mScale)
{
if (x == size().width() / 2)
{
painter.setPen(penCenter);
}
painter.drawLine(x, event->rect().top(), x, event->rect().bottom());
if (x == size().width() / 2)
{
painter.setPen(pen);
}
}
for (int y = 0; y <= size().height(); y += m_GridSize.y() * mScale)
{
if (y == size().height() / 2)
{
painter.setPen(penCenter);
}
painter.drawLine(event->rect().left(), y, event->rect().right(), y);
if (y == size().height() / 2)
{
painter.setPen(pen);
}
}
}
// 選択中範囲
if (m_pEditData && m_bCatchable)
{
if (m_bPressCtrl)
{
pen.setColor(QColor(0, 255, 0, 255));
}
else
{
pen.setColor(QColor(255, 0, 0, 255));
}
painter.setPen(pen);
RectF rect = m_pEditData->getCatchRect();
QRect r = QRect(rect.left(), rect.top(), rect.right() - rect.left(), rect.bottom() - rect.top());
painter.drawRect(r);
}
FrameData data;
if (m_pEditData->getNowSelectFrameData(data))
{
if (data.nImage != m_Index)
{
return;
}
}
else
{
return;
}
// センター表示
if (m_bDrawCenter)
{
pen.setColor(QColor(0, 0, 255, 255));
painter.setPen(pen);
int x = data.center_x + data.left;
int y = data.center_y + data.top - 1;
QSize size = p->Image.size();
painter.drawLine(QPointF(0, y), QPointF(size.width(), y));
painter.drawLine(QPointF(x, 0), QPointF(x, size.height()));
}
}
// 範囲選択終了
void GridLabel::mouseReleaseEvent(QMouseEvent *ev)
{
if (!m_pEditData || !m_bCatchable)
{
return;
}
if (!bCatching)
{
return;
}
bCatching = false;
if (m_bRectMove)
{ // 範囲移動中
m_bRectMove = false;
return;
}
m_bRectMove = false;
EditData::ImageData *p = m_pEditData->getImageDataFromNo(m_Index);
if (!p)
{
return;
}
int img_w = p->Image.width();
int img_h = p->Image.height();
RectF r = m_pEditData->getCatchRect();
float x = ev->pos().x() / mScale;
float y = ev->pos().y() / mScale;
if (x < 0)
{
x = 0;
}
if (x > img_w)
{
x = img_w;
}
if (x < r.left())
{
x = r.left();
}
if (y < 0)
{
y = 0;
}
if (y > img_h)
{
y = img_h;
}
if (y < r.top())
{
y = r.top();
}
r.setRight(x);
r.setBottom(y);
if (r.width() <= 1 || r.height() <= 1)
{
r.setLeft(-2);
r.setRight(-2);
r.setTop(-1);
r.setBottom(-1);
}
m_pEditData->setCatchRect(r);
emit sig_changeCatchRect(r);
repaint();
}
// 範囲選択中
void GridLabel::mouseMoveEvent(QMouseEvent *ev)
{
if (!m_pEditData || !m_bCatchable)
{
return;
}
if (!bCatching)
{
return;
}
RectF r = m_pEditData->getCatchRect();
EditData::ImageData *p = m_pEditData->getImageDataFromNo(m_Index);
if (!p)
{
return;
}
int img_w = p->Image.width();
int img_h = p->Image.height();
int x = ev->pos().x() / mScale;
int y = ev->pos().y() / mScale;
if (m_bRectMove)
{ // 範囲移動中
if (!m_bPressCtrl)
{
return;
}
// Ctrlキー押してたら
QPoint add = ev->pos() - m_MovePos;
r.setLeft(r.left() + add.x());
r.setRight(r.right() + add.x());
r.setTop(r.top() + add.y());
r.setBottom(r.bottom() + add.y());
if (r.left() < 0)
{
r.setRight(r.right() - r.left());
r.setLeft(0);
}
if (r.right() > img_w - 1)
{
r.setLeft(r.left() - (r.right() - (img_w - 1)));
r.setRight(img_w - 1);
}
if (r.top() < 0)
{
r.setBottom(r.bottom() - r.top());
r.setTop(0);
}
if (r.bottom() > img_h - 1)
{
r.setTop(r.top() - (r.bottom() - (img_h - 1)));
r.setBottom(img_h - 1);
}
emit sig_changeSelectLayerUV(r);
m_MovePos = ev->pos();
}
else
{
if (x < 0)
{
x = 0;
}
if (x >= img_w)
{
x = img_w;
}
if (x < r.left())
{
x = r.left();
}
if (y < 0)
{
y = 0;
}
if (y >= img_h)
{
y = img_h;
}
if (y < r.top())
{
y = r.top();
}
r.setRight(x);
r.setBottom(y);
}
m_pEditData->setCatchRect(r);
emit sig_changeCatchRect(r);
repaint();
}