void Canvas::drawPoint(const QPoint &point)
{
LayerPointer l = layers.selectedLayer();
if(l.isNull() || l->isLocked() || l->isHided()){
setCursor(Qt::ForbiddenCursor);
return;
}
// setCursor(Qt::CrossCursor);
updateCursor(brush_->width());
brush_->setSurface(l->imagePtr());
brush_->start(point);
int rad = (brush_->width() / 2) + 2;
update(QRect(lastPoint, point).normalized()
.adjusted(-rad, -rad, +rad, +rad));
QVariantMap point_j;
point_j.insert("x", point.x());
point_j.insert("y", point.y());
QVariantMap map;
map.insert("brush", QVariant(brushInfo()));
map.insert("layer", QVariant(currentLayer()));
map.insert("point", QVariant(point_j));
map.insert("userid", QVariant(userId()));
QVariantMap bigMap;
bigMap.insert("info", map);
bigMap.insert("action", "drawpoint");
QByteArray tmp = toJson(QVariant(bigMap));
emit sendData(tmp);
}
void Canvas::drawLineTo(const QPoint &endPoint)
{
LayerPointer l = layers.selectedLayer();
if(l.isNull() || l->isLocked() || l->isHided()){
setCursor(Qt::ForbiddenCursor);
return;
}
// setCursor(Qt::CrossCursor);
updateCursor(brush_->width());
brush_->setSurface(l->imagePtr());
brush_->lineTo(endPoint);
update();
QVariantMap start_j;
start_j.insert("x", this->lastPoint.x());
start_j.insert("y", this->lastPoint.y());
QVariantMap end_j;
end_j.insert("x", endPoint.x());
end_j.insert("y", endPoint.y());
QVariantMap map;
map.insert("brush", QVariant(brushInfo()));
map.insert("start", QVariant(start_j));
map.insert("end", QVariant(end_j));
map.insert("layer", QVariant(currentLayer()));
map.insert("userid", QVariant(userId()));
QVariantMap bigMap;
bigMap.insert("info", map);
bigMap.insert("action", "drawline");
QByteArray tmp = toJson(QVariant(bigMap));
emit sendData(tmp);
}
void Canvas::combineLayers(const QRect &rec)
{
QPainter painter(&image);
image.fill(Qt::white);
int count = layers.count();
QPixmap * im = 0;
for(int i=0;i<count;++i){
LayerPointer l = layers.layerFrom(i);
if(l->isHided()){
continue;
}
im = l->imagePtr();
painter.drawPixmap(QRectF(rec), *im, QRectF(rec));
}
}
QPixmap Canvas::combineLayers()
{
QPainter painter(&image);
image.fill(Qt::white);
int count = layers.count();
QPixmap * im = 0;
for(int i=0;i<count;++i){
LayerPointer l = layers.layerFrom(i);
if(l->isHided()){
continue;
}
im = l->imagePtr();
painter.drawPixmap(0, 0, *im);
}
return image;
}