fixed another return FALSE in a function returning a pointer (patch 545046)

[wxWidgets.git] / docs / latex / wx / dc.tex

diff --git a/docs/latex/wx/dc.tex b/docs/latex/wx/dc.tex
index 0dc9eed9a01a985174d1056aa5a13aa08ca8d6b9..caf0d997aedc9863271ea4e0314801a322998583 100644 (file)
--- 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}