X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1387b68afb416406f092af2411f6fcf200157801..146ba0feacf1222ec8a45dfd69dae77b063bf2cf:/docs/latex/wx/dc.tex diff --git a/docs/latex/wx/dc.tex b/docs/latex/wx/dc.tex index 0dc9eed9a0..caf0d997ae 100644 --- a/docs/latex/wx/dc.tex +++ b/docs/latex/wx/dc.tex @@ -259,13 +259,33 @@ of the bitmap (all bits set to 1), and the current text background colour to dra Draws a check mark inside the given rectangle. +\membersection{wxDC::DrawCircle}\label{wxdcdrawcircle} + +\func{void}{DrawCircle}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{wxCoord}{ radius}} + +\func{void}{DrawCircle}{\param{const wxPoint\&}{ pt}, \param{wxCoord}{ radius}} + +Draws a circle with the given centre and radius. + +\wxheading{See also} + +\helpref{DrawEllipse}{wxdcdrawellipse} + \membersection{wxDC::DrawEllipse}\label{wxdcdrawellipse} \func{void}{DrawEllipse}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{wxCoord}{ width}, \param{wxCoord}{ height}} -Draws an ellipse contained in the rectangle with the given top left corner, and with the -given size. The current pen is used for the outline and the current brush for -filling the shape. +\func{void}{DrawEllipse}{\param{const wxPoint\&}{ pt}, \param{const wxSize\&}{ size}} + +\func{void}{DrawEllipse}{\param{const wxRect\&}{ rect}} + +Draws an ellipse contained in the rectangle specified either with the given top +left corner and the given size or directly. The current pen is used for the +outline and the current brush for filling the shape. + +\wxheading{See also} + +\helpref{DrawCircle}{wxdcdrawcircle} \membersection{wxDC::DrawEllipticArc}\label{wxdcdrawellipticarc} @@ -467,7 +487,7 @@ Ends a document page (only relevant when outputting to a printer). \membersection{wxDC::FloodFill}\label{wxdcfloodfill} -\func{void}{FloodFill}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{const wxColour\&}{ colour}, \param{int}{ style=wxFLOOD\_SURFACE}} +\func{bool}{FloodFill}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{const wxColour\&}{ colour}, \param{int}{ style=wxFLOOD\_SURFACE}} Flood fills the device context starting from the given point, using the {\it current brush colour}, and using a style: @@ -477,7 +497,11 @@ the {\it current brush colour}, and using a style: \item wxFLOOD\_BORDER: the area to be flooded is bounded by the given colour. \end{itemize} -{\it Note:} this function is available in MS Windows only. +Returns FALSE if the operation failed. + +{\it Note:} The present implementation for non-Windows platforms may fail to find +colour borders if the pixels do not match the colour exactly. However the +function will still return TRUE. \membersection{wxDC::GetBackground}\label{wxdcgetbackground} @@ -788,11 +812,21 @@ whether text will be drawn with a background colour or not. \func{void}{SetClippingRegion}{\param{wxCoord}{ x}, \param{wxCoord}{ y}, \param{wxCoord}{ width}, \param{wxCoord}{ height}} +\func{void}{SetClippingRegion}{\param{const wxPoint\& }{pt}, \param{const wxSize\& }{sz}} + +\func{void}{SetClippingRegion}{\param{const wxRect\&}{ rect}} + \func{void}{SetClippingRegion}{\param{const wxRegion\&}{ region}} -Sets the clipping region for the DC. The clipping region is an area -to which drawing is restricted. Possible uses for the clipping region are for clipping text -or for speeding up window redraws when only a known area of the screen is damaged. +Sets the clipping region for this device context to the intersection of the +given region described by the parameters of this method and the previously set +clipping region. You should call +\helpref{DestroyClippingRegion}{wxdcdestroyclippingregion} if you want to set +the clipping region exactly to the region specified. + +The clipping region is an area to which drawing is restricted. Possible uses +for the clipping region are for clipping text or for speeding up window redraws +when only a known area of the screen is damaged. \wxheading{See also}