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Diffstat (limited to 'doc/html/tqcanvasview.html')
| -rw-r--r-- | doc/html/tqcanvasview.html | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/doc/html/tqcanvasview.html b/doc/html/tqcanvasview.html index 0f53f6074..740635351 100644 --- a/doc/html/tqcanvasview.html +++ b/doc/html/tqcanvasview.html @@ -64,7 +64,7 @@ The TQCanvasView class provides an on-screen view of a <a href="tqcanvas.html">T <p> If you want users to be able to interact with a canvas view, subclass TQCanvasView. You might then reimplement <a href="ntqscrollview.html#contentsMousePressEvent">TQScrollView::contentsMousePressEvent</a>(). For example, assuming no -<a href="ntqwmatrix.html#TransformationMode">transformation matrix</a> is set: +<a href="tqwmatrix.html#TransformationMode">transformation matrix</a> is set: <p> <pre> void MyCanvasView::contentsMousePressEvent( <a href="qmouseevent.html">TQMouseEvent</a>* e ) { @@ -82,11 +82,11 @@ subclass TQCanvasView. You might then reimplement canvas in various ways, for example, zooming in or out or rotating. For example: <p> <pre> - <a href="ntqwmatrix.html">TQWMatrix</a> wm; - wm.<a href="ntqwmatrix.html#scale">scale</a>( 2, 2 ); // Zooms in by 2 times - wm.<a href="ntqwmatrix.html#rotate">rotate</a>( 90 ); // Rotates 90 degrees counter clockwise + <a href="tqwmatrix.html">TQWMatrix</a> wm; + wm.<a href="tqwmatrix.html#scale">scale</a>( 2, 2 ); // Zooms in by 2 times + wm.<a href="tqwmatrix.html#rotate">rotate</a>( 90 ); // Rotates 90 degrees counter clockwise // around the origin. - wm.<a href="ntqwmatrix.html#translate">translate</a>( 0, -canvas->height() ); + wm.<a href="tqwmatrix.html#translate">translate</a>( 0, -canvas->height() ); // moves the canvas down so what was visible // before is still visible. myCanvasView->setWorldMatrix( wm ); @@ -100,12 +100,12 @@ with <a href="#inverseWorldMatrix">inverseWorldMatrix</a>(). <p> The following code finds the part of the canvas that is visible in this view, i.e. the bounding rectangle of the view in canvas coordinates. <p> <pre> - <a href="ntqrect.html">TQRect</a> rc = TQRect( myCanvasView->contentsX(), myCanvasView->contentsY(), + <a href="tqrect.html">TQRect</a> rc = TQRect( myCanvasView->contentsX(), myCanvasView->contentsY(), myCanvasView->visibleWidth(), myCanvasView->visibleHeight() ); - <a href="ntqrect.html">TQRect</a> canvasRect = myCanvasView->inverseWorldMatrix().mapRect(rc); + <a href="tqrect.html">TQRect</a> canvasRect = myCanvasView->inverseWorldMatrix().mapRect(rc); </pre> -<p> <p>See also <a href="ntqwmatrix.html">TQWMatrix</a>, <a href="tqpainter.html#setWorldMatrix">TQPainter::setWorldMatrix</a>(), <a href="graphics.html">Graphics Classes</a>, and <a href="images.html">Image Processing Classes</a>. +<p> <p>See also <a href="tqwmatrix.html">TQWMatrix</a>, <a href="tqpainter.html#setWorldMatrix">TQPainter::setWorldMatrix</a>(), <a href="graphics.html">Graphics Classes</a>, and <a href="images.html">Image Processing Classes</a>. <p> <hr><h2>Member Function Documentation</h2> @@ -145,35 +145,35 @@ drawContents() is not called. <p> <p>See also <a href="tqcanvas.html#setDoubleBuffering">TQCanvas::setDoubleBuffering</a>(). <p>Reimplemented from <a href="ntqscrollview.html#drawContents">TQScrollView</a>. -<h3 class=fn>const <a href="ntqwmatrix.html">TQWMatrix</a> & <a name="inverseWorldMatrix"></a>TQCanvasView::inverseWorldMatrix () const +<h3 class=fn>const <a href="tqwmatrix.html">TQWMatrix</a> & <a name="inverseWorldMatrix"></a>TQCanvasView::inverseWorldMatrix () const </h3> Returns a reference to the inverse of the canvas view's current -<a href="ntqwmatrix.html#TransformationMode">transformation matrix</a>. +<a href="tqwmatrix.html#TransformationMode">transformation matrix</a>. <p> <p>See also <a href="#setWorldMatrix">setWorldMatrix</a>() and <a href="#worldMatrix">worldMatrix</a>(). <h3 class=fn>void <a name="setCanvas"></a>TQCanvasView::setCanvas ( <a href="tqcanvas.html">TQCanvas</a> * canvas ) </h3> Sets the canvas that the TQCanvasView is showing to the canvas <em>canvas</em>. -<h3 class=fn>bool <a name="setWorldMatrix"></a>TQCanvasView::setWorldMatrix ( const <a href="ntqwmatrix.html">TQWMatrix</a> & wm ) +<h3 class=fn>bool <a name="setWorldMatrix"></a>TQCanvasView::setWorldMatrix ( const <a href="tqwmatrix.html">TQWMatrix</a> & wm ) </h3> -Sets the <a href="ntqwmatrix.html#TransformationMode">transformation matrix</a> of the TQCanvasView to <em>wm</em>. The +Sets the <a href="tqwmatrix.html#TransformationMode">transformation matrix</a> of the TQCanvasView to <em>wm</em>. The matrix must be invertible (i.e. if you create a world matrix that zooms out by 2 times, then the inverse of this matrix is one that will zoom in by 2 times). <p> When you use this, you should note that the performance of the TQCanvasView will decrease considerably. <p> Returns FALSE if <em>wm</em> is not invertable; otherwise returns TRUE. -<p> <p>See also <a href="#worldMatrix">worldMatrix</a>(), <a href="#inverseWorldMatrix">inverseWorldMatrix</a>(), and <a href="ntqwmatrix.html#isInvertible">TQWMatrix::isInvertible</a>(). +<p> <p>See also <a href="#worldMatrix">worldMatrix</a>(), <a href="#inverseWorldMatrix">inverseWorldMatrix</a>(), and <a href="tqwmatrix.html#isInvertible">TQWMatrix::isInvertible</a>(). <p>Example: <a href="canvas-example.html#x2930">canvas/canvas.cpp</a>. <h3 class=fn><a href="tqsize.html">TQSize</a> <a name="sizeHint"></a>TQCanvasView::sizeHint () const<tt> [virtual protected]</tt> </h3> Suggests a size sufficient to view the entire canvas. -<h3 class=fn>const <a href="ntqwmatrix.html">TQWMatrix</a> & <a name="worldMatrix"></a>TQCanvasView::worldMatrix () const +<h3 class=fn>const <a href="tqwmatrix.html">TQWMatrix</a> & <a name="worldMatrix"></a>TQCanvasView::worldMatrix () const </h3> -Returns a reference to the canvas view's current <a href="ntqwmatrix.html#TransformationMode">transformation matrix</a>. +Returns a reference to the canvas view's current <a href="tqwmatrix.html#TransformationMode">transformation matrix</a>. <p> <p>See also <a href="#setWorldMatrix">setWorldMatrix</a>() and <a href="#inverseWorldMatrix">inverseWorldMatrix</a>(). <p>Example: <a href="canvas-example.html#x2931">canvas/canvas.cpp</a>. |