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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 > TQCanvasLine Class Reference< br > < small > [< a href = "canvas.html" > canvas module< / a > ]< / small > < / h1 >
< p > The TQCanvasLine class provides a line 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 > < a href = "qcanvasline-members.html" > List of all member functions.< / a >
< h2 > Public Members< / h2 >
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< li class = fn > < a href = "#TQCanvasLine" > < b > TQCanvasLine< / b > < / a > ( TQCanvas * canvas )< / li >
< li class = fn > < a href = "#~TQCanvasLine" > < b > ~TQCanvasLine< / b > < / a > ()< / li >
< li class = fn > void < a href = "#setPoints" > < b > setPoints< / b > < / a > ( int xa, int ya, int xb, int yb )< / li >
< li class = fn > TQPoint < a href = "#startPoint" > < b > startPoint< / b > < / a > () const< / li >
< li class = fn > TQPoint < a href = "#endPoint" > < b > endPoint< / b > < / a > () const< / li >
< li class = fn > virtual int < a href = "#rtti" > < b > rtti< / b > < / a > () const< / li >
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< hr > < a name = "details" > < / a > < h2 > Detailed Description< / h2 >
The TQCanvasLine class provides a line on a < a href = "ntqcanvas.html" > TQCanvas< / a > .
< p >
< p > The line inherits functionality from < a href = "qcanvaspolygonalitem.html" > TQCanvasPolygonalItem< / a > , for
example the < a href = "qcanvaspolygonalitem.html#setPen" > setPen< / a > () function. The start and end points of the
line are set with < a href = "#setPoints" > setPoints< / a > ().
< p > Like any other canvas item lines 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 > 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 = "TQCanvasLine" > < / a > TQCanvasLine::TQCanvasLine ( < a href = "ntqcanvas.html" > TQCanvas< / a > * canvas )
< / h3 >
Constructs a line from (0,0) to (0,0) on < em > canvas< / em > .
< p > < p > See also < a href = "#setPoints" > setPoints< / a > ().
< h3 class = fn > < a name = "~TQCanvasLine" > < / a > TQCanvasLine::~TQCanvasLine ()
< / h3 >
Destroys the line.
< h3 class = fn > < a href = "ntqpoint.html" > TQPoint< / a > < a name = "endPoint" > < / a > TQCanvasLine::endPoint () const
< / h3 >
< p > Returns the end point of the line.
< p > < p > See also < a href = "#setPoints" > setPoints< / a > () and < a href = "#startPoint" > startPoint< / a > ().
< h3 class = fn > int < a name = "rtti" > < / a > TQCanvasLine::rtti () const< tt > [virtual]< / tt >
< / h3 >
Returns 7 (TQCanvasItem::Rtti_Line).
< p > < p > See also < a href = "qcanvasitem.html#rtti" > TQCanvasItem::rtti< / a > ().
< p > Reimplemented from < a href = "qcanvaspolygonalitem.html#rtti" > TQCanvasPolygonalItem< / a > .
< h3 class = fn > void < a name = "setPoints" > < / a > TQCanvasLine::setPoints ( int xa, int ya, int xb, int yb )
< / h3 >
Sets the line's start point to (< em > xa< / em > , < em > ya< / em > ) and its end point to
(< em > xb< / em > , < em > yb< / em > ).
< p > Example: < a href = "canvas-example.html#x2922" > canvas/canvas.cpp< / a > .
< h3 class = fn > < a href = "ntqpoint.html" > TQPoint< / a > < a name = "startPoint" > < / a > TQCanvasLine::startPoint () const
< / h3 >
< p > Returns the start point of the line.
< p > < p > See also < a href = "#setPoints" > setPoints< / a > () and < a href = "#endPoint" > endPoint< / a > ().
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