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< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > TQCanvasPolygon Class Reference< br > < small > [< a href = "canvas.html" > canvas module< / a > ]< / small > < / h1 >
< p > The TQCanvasPolygon class provides a polygon on a TQCanvas.
< a href = "#details" > More...< / a >
< p > < tt > #include < < a href = "qcanvas-h.html" > ntqcanvas.h< / a > > < / tt >
< p > Inherits < a href = "qcanvaspolygonalitem.html" > TQCanvasPolygonalItem< / a > .
< p > Inherited by < a href = "qcanvasspline.html" > TQCanvasSpline< / a > .
< p > < a href = "qcanvaspolygon-members.html" > List of all member functions.< / a >
< h2 > Public Members< / h2 >
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< li class = fn > < a href = "#TQCanvasPolygon" > < b > TQCanvasPolygon< / b > < / a > ( TQCanvas * canvas )< / li >
< li class = fn > < a href = "#~TQCanvasPolygon" > < b > ~TQCanvasPolygon< / b > < / a > ()< / li >
< li class = fn > void < a href = "#setPoints" > < b > setPoints< / b > < / a > ( TQPointArray pa )< / li >
< li class = fn > TQPointArray < a href = "#points" > < b > points< / b > < / a > () const< / li >
< li class = fn > virtual TQPointArray < a href = "#areaPoints" > < b > areaPoints< / b > < / a > () const< / li >
< li class = fn > virtual int < a href = "#rtti" > < b > rtti< / b > < / a > () const< / li >
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< h2 > Protected Members< / h2 >
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< li class = fn > virtual void < a href = "#drawShape" > < b > drawShape< / b > < / a > ( TQPainter & p )< / li >
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< hr > < a name = "details" > < / a > < h2 > Detailed Description< / h2 >
The TQCanvasPolygon class provides a polygon on a < a href = "ntqcanvas.html" > TQCanvas< / a > .
< p >
< p > Paints a polygon with a < a href = "ntqbrush.html" > TQBrush< / a > . The polygon's points can be set in
the constructor or set or changed later using < a href = "#setPoints" > setPoints< / a > (). Use
< a href = "#points" > points< / a > () to retrieve the points, or < a href = "#areaPoints" > areaPoints< / a > () to retrieve the
points relative to the canvas's origin.
< p > The polygon can be drawn on a painter with < a href = "#drawShape" > drawShape< / a > ().
< p > Like any other canvas item polygons can be moved with
< a href = "qcanvasitem.html#move" > TQCanvasItem::move< / a > () and < a href = "qcanvasitem.html#moveBy" > TQCanvasItem::moveBy< / a > (), or by setting
coordinates with < a href = "qcanvasitem.html#setX" > TQCanvasItem::setX< / a > (), < a href = "qcanvasitem.html#setY" > TQCanvasItem::setY< / a > () and
< a href = "qcanvasitem.html#setZ" > TQCanvasItem::setZ< / a > ().
< p > Note: TQCanvasPolygon does not use the pen.
< p > See also < a href = "graphics.html" > Graphics Classes< / a > and < a href = "images.html" > Image Processing Classes< / a > .
< hr > < h2 > Member Function Documentation< / h2 >
< h3 class = fn > < a name = "TQCanvasPolygon" > < / a > TQCanvasPolygon::TQCanvasPolygon ( < a href = "ntqcanvas.html" > TQCanvas< / a > * canvas )
< / h3 >
Constructs a point-less polygon on the canvas < em > canvas< / em > . You
should call < a href = "#setPoints" > setPoints< / a > () before using it further.
< h3 class = fn > < a name = "~TQCanvasPolygon" > < / a > TQCanvasPolygon::~TQCanvasPolygon ()
< / h3 >
Destroys the polygon.
< h3 class = fn > < a href = "ntqpointarray.html" > TQPointArray< / a > < a name = "areaPoints" > < / a > TQCanvasPolygon::areaPoints () const< tt > [virtual]< / tt >
< / h3 >
Returns the vertices of the polygon translated by the polygon's
current < a href = "qcanvasitem.html#x" > x< / a > (), < a href = "qcanvasitem.html#y" > y< / a > () position, i.e. relative to the canvas's origin.
< p > < p > See also < a href = "#setPoints" > setPoints< / a > () and < a href = "#points" > points< / a > ().
< p > Reimplemented from < a href = "qcanvaspolygonalitem.html#areaPoints" > TQCanvasPolygonalItem< / a > .
< h3 class = fn > void < a name = "drawShape" > < / a > TQCanvasPolygon::drawShape ( < a href = "ntqpainter.html" > TQPainter< / a > & p )< tt > [virtual protected]< / tt >
< / h3 >
Draws the polygon using the painter < em > p< / em > .
< p > Note that TQCanvasPolygon does not support an outline (the pen is
always NoPen).
< p > Reimplemented from < a href = "qcanvaspolygonalitem.html#drawShape" > TQCanvasPolygonalItem< / a > .
< h3 class = fn > < a href = "ntqpointarray.html" > TQPointArray< / a > < a name = "points" > < / a > TQCanvasPolygon::points () const
< / h3 >
< p > Returns the vertices of the polygon, not translated by the position.
< p > < p > See also < a href = "#setPoints" > setPoints< / a > () and < a href = "#areaPoints" > areaPoints< / a > ().
< h3 class = fn > int < a name = "rtti" > < / a > TQCanvasPolygon::rtti () const< tt > [virtual]< / tt >
< / h3 >
Returns 4 (TQCanvasItem::Rtti_Polygon).
< p > < p > See also < a href = "qcanvasitem.html#rtti" > TQCanvasItem::rtti< / a > ().
< p > Reimplemented from < a href = "qcanvaspolygonalitem.html#rtti" > TQCanvasPolygonalItem< / a > .
< p > Reimplemented in < a href = "qcanvasspline.html#rtti" > TQCanvasSpline< / a > .
< h3 class = fn > void < a name = "setPoints" > < / a > TQCanvasPolygon::setPoints ( < a href = "ntqpointarray.html" > TQPointArray< / a > pa )
< / h3 >
Sets the points of the polygon to be < em > pa< / em > . These points will have
their x and y coordinates automatically translated by < a href = "qcanvasitem.html#x" > x< / a > (), < a href = "qcanvasitem.html#y" > y< / a > () as
the polygon is moved.
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