diff options
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/code/src_qt3support_canvas_q3canvas.cpp')
-rw-r--r-- | doc/codesnippets/doc/src/snippets/code/src_qt3support_canvas_q3canvas.cpp | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/doc/codesnippets/doc/src/snippets/code/src_qt3support_canvas_q3canvas.cpp b/doc/codesnippets/doc/src/snippets/code/src_qt3support_canvas_q3canvas.cpp deleted file mode 100644 index bca056c9d..000000000 --- a/doc/codesnippets/doc/src/snippets/code/src_qt3support_canvas_q3canvas.cpp +++ /dev/null @@ -1,51 +0,0 @@ -//! [0] -QPrinter pr; -if (pr.setup()) { - QPainter p(&pr); - canvas.drawArea(canvas.rect(), &p); -} -//! [0] - - -//! [1] -void MyCanvasView::contentsMousePressEvent(QMouseEvent* e) -{ - Q3CanvasItemList l = canvas()->collisions(e->pos()); - for (Q3CanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) { - if ((*it)->rtti() == Q3CanvasRectangle::RTTI) - qDebug("A Q3CanvasRectangle lies somewhere at this point"); - } -} -//! [1] - - -//! [2] -QMatrix wm; -wm.scale(2, 2); // Zooms in by 2 times -wm.rotate(90); // Rotates 90 degrees counter clockwise - // around the origin. -wm.translate(0, -canvas->height()); - // moves the canvas down so what was visible - // before is still visible. -myCanvasView->setWorldMatrix(wm); -//! [2] - - -//! [3] -QRect rc = QRect(myCanvasView->contentsX(), myCanvasView->contentsY(), - myCanvasView->visibleWidth(), myCanvasView->visibleHeight()); -QRect canvasRect = myCanvasView->inverseWorldMatrix().mapRect(rc); -//! [3] - - -//! [4] -Q3CanvasItem* item; -// Find an item, e.g. with Q3CanvasItem::collisions(). -... -if (item->rtti() == MySprite::RTTI) { - MySprite* s = (MySprite*)item; - if (s->isDamagable()) s->loseHitPoints(1000); - if (s->isHot()) myself->loseHitPoints(1000); - ... -} -//! [4] |