fc298ea781
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38656 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
64 lines
1.8 KiB
TeX
64 lines
1.8 KiB
TeX
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%% Name: dcclipper.tex
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%% Purpose: wxDCClipper documentation
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%% Author: Vadim Zeitlin
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%% Created: 2006-04-10
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%% RCS-ID: $Id$
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%% Copyright: (c) 2006 Vadim Zeitlin
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%% License: wxWindows license
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\section{\class{wxDCClipper}}\label{wxdcclipper}
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wxDCClipper is a small helper class for setting a clipping region on a
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\helpref{wxDC}{wxdc} and unsetting it automatically. An object of wxDCClipper
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class is typically created on the stack so that it is automatically destroyed
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when the object goes out of scope. A typical usage example:
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\begin{verbatim}
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void MyFunction(wxDC& dc)
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{
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wxDCClipper clip(rect);
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... drawing functions here are affected by clipping rect ...
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}
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void OtherFunction()
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{
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wxDC dc;
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MyFunction(dc);
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... drawing functions here are not affected by clipping rect ...
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}
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\end{verbatim}
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\wxheading{Derived from}
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No base class
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\wxheading{Include files}
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<wx/dc.h>
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\wxheading{See also}
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\helpref{wxDC::SetClippingRegion}{wxdcsetclippingregion}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxDCClipper::wxDCClipper}\label{wxdcclipperctor}
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\func{}{wxDCClipper}{\param{wxDC\& }{dc}, \param{const wxRegion\& }{r}}
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\func{}{wxDCClipper}{\param{wxDC\& }{dc}, \param{const wxRect\& }{rect}}
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\func{}{wxDCClipper}{\param{wxDC\& }{dc}, \param{int }{x}, \param{int }{y}, \param{int }{w}, \param{int }{h}}
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Sets the clipping region to the specified region \arg{r} or rectangle specified
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by either a single \arg{rect} parameter or its position (\arg{x} and \arg{y})
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and size (\arg{w} ad \arg{h}).
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The clipping region is automatically unset when this object is destroyed.
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