diff options
Diffstat (limited to 'doc/html/qcanvasview.html')
| -rw-r--r-- | doc/html/qcanvasview.html | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/doc/html/qcanvasview.html b/doc/html/qcanvasview.html index 6957a7e2b..41662cbd7 100644 --- a/doc/html/qcanvasview.html +++ b/doc/html/qcanvasview.html @@ -33,8 +33,8 @@ body { background: #ffffff; color: black; } <p>The TQCanvasView class provides an on-screen view of a TQCanvas. <a href="#details">More...</a> -<p><tt>#include <<a href="qcanvas-h.html">qcanvas.h</a>></tt> -<p>Inherits <a href="qscrollview.html">TQScrollView</a>. +<p><tt>#include <<a href="qcanvas-h.html">ntqcanvas.h</a>></tt> +<p>Inherits <a href="ntqscrollview.html">TQScrollView</a>. <p><a href="qcanvasview-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> @@ -55,7 +55,7 @@ body { background: #ffffff; color: black; } <hr><a name="details"></a><h2>Detailed Description</h2> -The TQCanvasView class provides an on-screen view of a <a href="qcanvas.html">TQCanvas</a>. +The TQCanvasView class provides an on-screen view of a <a href="ntqcanvas.html">TQCanvas</a>. <p> @@ -63,15 +63,15 @@ The TQCanvasView class provides an on-screen view of a <a href="qcanvas.html">TQ <p> A TQCanvasView is widget which provides a view of a TQCanvas. <p> If you want users to be able to interact with a canvas view, subclass TQCanvasView. You might then reimplement -<a href="qscrollview.html#contentsMousePressEvent">TQScrollView::contentsMousePressEvent</a>(). For example, assuming no -<a href="qwmatrix.html#TransformationMode">transformation matrix</a> is set: +<a href="ntqscrollview.html#contentsMousePressEvent">TQScrollView::contentsMousePressEvent</a>(). For example, assuming no +<a href="ntqwmatrix.html#TransformationMode">transformation matrix</a> is set: <p> <pre> void MyCanvasView::contentsMousePressEvent( <a href="qmouseevent.html">TQMouseEvent</a>* e ) { <a href="qcanvasitemlist.html">TQCanvasItemList</a> l = <a href="#canvas">canvas</a>()->collisions(e-><a href="qmouseevent.html#pos">pos</a>()); - for (TQCanvasItemList::Iterator it=l.<a href="qvaluelist.html#begin">begin</a>(); it!=l.<a href="qvaluelist.html#end">end</a>(); ++it) { + for (TQCanvasItemList::Iterator it=l.<a href="ntqvaluelist.html#begin">begin</a>(); it!=l.<a href="ntqvaluelist.html#end">end</a>(); ++it) { if ( (*it)->rtti() == TQCanvasRectangle::RTTI ) - <a href="qapplication.html#qDebug">qDebug</a>("A TQCanvasRectangle lies somewhere at this point"); + <a href="ntqapplication.html#qDebug">qDebug</a>("A TQCanvasRectangle lies somewhere at this point"); } } </pre> @@ -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="qwmatrix.html">TQWMatrix</a> wm; - wm.<a href="qwmatrix.html#scale">scale</a>( 2, 2 ); // Zooms in by 2 times - wm.<a href="qwmatrix.html#rotate">rotate</a>( 90 ); // Rotates 90 degrees counter clockwise + <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 // around the origin. - wm.<a href="qwmatrix.html#translate">translate</a>( 0, -canvas->height() ); + wm.<a href="ntqwmatrix.html#translate">translate</a>( 0, -canvas->height() ); // moves the canvas down so what was visible // before is still visible. myCanvasView->setWorldMatrix( wm ); @@ -100,23 +100,23 @@ 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="qrect.html">TQRect</a> rc = TQRect( myCanvasView->contentsX(), myCanvasView->contentsY(), + <a href="ntqrect.html">TQRect</a> rc = TQRect( myCanvasView->contentsX(), myCanvasView->contentsY(), myCanvasView->visibleWidth(), myCanvasView->visibleHeight() ); - <a href="qrect.html">TQRect</a> canvasRect = myCanvasView->inverseWorldMatrix().mapRect(rc); + <a href="ntqrect.html">TQRect</a> canvasRect = myCanvasView->inverseWorldMatrix().mapRect(rc); </pre> -<p> <p>See also <a href="qwmatrix.html">TQWMatrix</a>, <a href="qpainter.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="ntqwmatrix.html">TQWMatrix</a>, <a href="ntqpainter.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> -<h3 class=fn><a name="TQCanvasView"></a>TQCanvasView::TQCanvasView ( <a href="qwidget.html">TQWidget</a> * parent = 0, const char * name = 0, WFlags f = 0 ) +<h3 class=fn><a name="TQCanvasView"></a>TQCanvasView::TQCanvasView ( <a href="ntqwidget.html">TQWidget</a> * parent = 0, const char * name = 0, WFlags f = 0 ) </h3> Constructs a TQCanvasView with parent <em>parent</em>, and name <em>name</em>, using the widget flags <em>f</em>. The canvas view is not associated with a canvas, so you must to call <a href="#setCanvas">setCanvas</a>() to view a canvas. -<h3 class=fn><a name="TQCanvasView-2"></a>TQCanvasView::TQCanvasView ( <a href="qcanvas.html">TQCanvas</a> * canvas, <a href="qwidget.html">TQWidget</a> * parent = 0, const char * name = 0, WFlags f = 0 ) +<h3 class=fn><a name="TQCanvasView-2"></a>TQCanvasView::TQCanvasView ( <a href="ntqcanvas.html">TQCanvas</a> * canvas, <a href="ntqwidget.html">TQWidget</a> * parent = 0, const char * name = 0, WFlags f = 0 ) </h3> This is an overloaded member function, provided for convenience. It behaves essentially like the above function. <p> Constructs a TQCanvasView which views canvas <em>canvas</em>, with parent @@ -126,54 +126,54 @@ This is an overloaded member function, provided for convenience. It behaves esse </h3> Destroys the canvas view. The associated canvas is <em>not</em> deleted. -<h3 class=fn><a href="qcanvas.html">TQCanvas</a> * <a name="canvas"></a>TQCanvasView::canvas () const +<h3 class=fn><a href="ntqcanvas.html">TQCanvas</a> * <a name="canvas"></a>TQCanvasView::canvas () const </h3> <p> Returns a pointer to the canvas which the TQCanvasView is currently showing. -<h3 class=fn>void <a name="drawContents"></a>TQCanvasView::drawContents ( <a href="qpainter.html">TQPainter</a> * p, int cx, int cy, int cw, int ch )<tt> [virtual protected]</tt> +<h3 class=fn>void <a name="drawContents"></a>TQCanvasView::drawContents ( <a href="ntqpainter.html">TQPainter</a> * p, int cx, int cy, int cw, int ch )<tt> [virtual protected]</tt> </h3> -Repaints part of the <a href="qcanvas.html">TQCanvas</a> that the canvas view is showing +Repaints part of the <a href="ntqcanvas.html">TQCanvas</a> that the canvas view is showing starting at <em>cx</em> by <em>cy</em>, with a width of <em>cw</em> and a height of <em>ch</em> using the painter <em>p</em>. <p> <b>Warning:</b> When double buffering is enabled, <a href="#drawContents">drawContents</a>() will not respect the current settings of the painter when setting up -the painter for the double buffer (e.g., <a href="qscrollview.html#viewport">viewport</a>() and -window()). Also, be aware that <a href="qcanvas.html#update">TQCanvas::update</a>() bypasses +the painter for the double buffer (e.g., <a href="ntqscrollview.html#viewport">viewport</a>() and +window()). Also, be aware that <a href="ntqcanvas.html#update">TQCanvas::update</a>() bypasses drawContents(), which means any reimplementation of drawContents() is not called. -<p> <p>See also <a href="qcanvas.html#setDoubleBuffering">TQCanvas::setDoubleBuffering</a>(). +<p> <p>See also <a href="ntqcanvas.html#setDoubleBuffering">TQCanvas::setDoubleBuffering</a>(). -<p>Reimplemented from <a href="qscrollview.html#drawContents">TQScrollView</a>. -<h3 class=fn>const <a href="qwmatrix.html">TQWMatrix</a> & <a name="inverseWorldMatrix"></a>TQCanvasView::inverseWorldMatrix () const +<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> Returns a reference to the inverse of the canvas view's current -<a href="qwmatrix.html#TransformationMode">transformation matrix</a>. +<a href="ntqwmatrix.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="qcanvas.html">TQCanvas</a> * canvas ) +<h3 class=fn>void <a name="setCanvas"></a>TQCanvasView::setCanvas ( <a href="ntqcanvas.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="qwmatrix.html">TQWMatrix</a> & wm ) +<h3 class=fn>bool <a name="setWorldMatrix"></a>TQCanvasView::setWorldMatrix ( const <a href="ntqwmatrix.html">TQWMatrix</a> & wm ) </h3> -Sets the <a href="qwmatrix.html#TransformationMode">transformation matrix</a> of the TQCanvasView to <em>wm</em>. The +Sets the <a href="ntqwmatrix.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="qwmatrix.html#isInvertible">TQWMatrix::isInvertible</a>(). +<p> <p>See also <a href="#worldMatrix">worldMatrix</a>(), <a href="#inverseWorldMatrix">inverseWorldMatrix</a>(), and <a href="ntqwmatrix.html#isInvertible">TQWMatrix::isInvertible</a>(). <p>Example: <a href="canvas-example.html#x2930">canvas/canvas.cpp</a>. -<h3 class=fn><a href="qsize.html">TQSize</a> <a name="sizeHint"></a>TQCanvasView::sizeHint () const<tt> [virtual protected]</tt> +<h3 class=fn><a href="ntqsize.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="qwmatrix.html">TQWMatrix</a> & <a name="worldMatrix"></a>TQCanvasView::worldMatrix () const +<h3 class=fn>const <a href="ntqwmatrix.html">TQWMatrix</a> & <a name="worldMatrix"></a>TQCanvasView::worldMatrix () const </h3> -Returns a reference to the canvas view's current <a href="qwmatrix.html#TransformationMode">transformation matrix</a>. +Returns a reference to the canvas view's current <a href="ntqwmatrix.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>. |