X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43e8916ff3fd271e55c9daa6660cb8ea5ff7efe6..85136e3bf5dadf921652519e71da5db351fb3194:/docs/latex/wx/brush.tex?ds=inline diff --git a/docs/latex/wx/brush.tex b/docs/latex/wx/brush.tex index dfc9a09aea..76826adf6a 100644 --- a/docs/latex/wx/brush.tex +++ b/docs/latex/wx/brush.tex @@ -1,3 +1,14 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: brush.tex +%% Purpose: wxPen docs +%% Author: +%% Modified by: +%% Created: +%% RCS-ID: $Id$ +%% Copyright: (c) wxWidgets +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxBrush}}\label{wxbrush} A brush is a drawing tool for filling in areas. It is used for painting @@ -13,6 +24,10 @@ style. +\wxheading{Library} + +\helpref{wxCore}{librarieslist} + \wxheading{Predefined objects} Objects: @@ -49,10 +64,11 @@ application may wish to get a pointer to a brush by using the global list of brushes {\bf wxTheBrushList}, and calling the member function \rtfsp{\bf FindOrCreateBrush}. -wxBrush uses a reference counting system, so assignments between brushes are very -cheap. You can therefore use actual wxBrush objects instead of pointers without -efficiency problems. Once one wxBrush object changes its data it will create its -own brush data internally so that other brushes, which previously shared the +This class uses \helpref{reference counting and copy-on-write}{trefcount} +internally so that assignments between two instances of this class are very +cheap. You can therefore use actual objects instead of pointers without +efficiency problems. If an instance of this class is changed it will create +its own data internally so that other instances, which previously shared the data using the reference counting, are not affected. %TODO: an overview for wxBrush. @@ -67,7 +83,7 @@ data using the reference counting, are not affected. \func{}{wxBrush}{\void} -Default constructor. The brush will be uninitialised, and \helpref{wxBrush::Ok}{wxbrushok} will +Default constructor. The brush will be uninitialised, and \helpref{wxBrush:IsOk}{wxbrushisok} will return false. \func{}{wxBrush}{\param{const wxColour\&}{ colour}, \param{int}{ style = {\tt wxSOLID}}} @@ -84,7 +100,7 @@ Constructs a stippled brush using a bitmap. \func{}{wxBrush}{\param{const wxBrush\&}{ brush}} -Copy constructor. This uses reference counting so is a cheap operation. +Copy constructor, uses \helpref{reference counting}{trefcount}. \wxheading{Parameters} @@ -124,12 +140,10 @@ If a stipple brush is created, the brush style will be set to wxSTIPPLE. \func{}{\destruct{wxBrush}}{\void} Destructor. +See \helpref{reference-counted object destruction}{refcountdestruct} for more info. \wxheading{Remarks} -The destructor may not delete the underlying brush object of the native windowing -system, since wxBrush uses a reference counting system for efficiency. - Although all remaining brushes are deleted when the application exits, the application should try to clean up all brushes itself. This is because wxWidgets cannot know if a pointer to the brush object is stored in an @@ -152,7 +166,7 @@ Returns a reference to the brush colour. \constfunc{wxBitmap *}{GetStipple}{\void} Gets a pointer to the stipple bitmap. If the brush does not have a wxSTIPPLE style, -this bitmap may be non-NULL but uninitialised (\helpref{wxBitmap::Ok}{wxbitmapok} returns false). +this bitmap may be non-NULL but uninitialised (\helpref{wxBitmap:IsOk}{wxbitmapisok} returns false). \wxheading{See also} @@ -195,9 +209,9 @@ Returns true if the style of the brush is any of hatched fills. \helpref{wxBrush::GetStyle}{wxbrushgetstyle} -\membersection{wxBrush::Ok}\label{wxbrushok} +\membersection{wxBrush::IsOk}\label{wxbrushisok} -\constfunc{bool}{Ok}{\void} +\constfunc{bool}{IsOk}{\void} Returns true if the brush is initialised. It will return false if the default constructor has been used (for example, the brush is a member of a class, or @@ -214,7 +228,7 @@ Sets the brush colour using a reference to a colour object. Sets the brush colour using a colour name from the colour database. -\func{void}{SetColour}{\param{const unsigned char}{ red}, \param{const unsigned char}{ green}, \param{const unsigned char}{ blue}} +\func{void}{SetColour}{\param{unsigned char}{ red}, \param{unsigned char}{ green}, \param{unsigned char}{ blue}} Sets the brush colour using red, green and blue values. @@ -282,26 +296,24 @@ Sets the brush style. \func{wxBrush\&}{operator $=$}{\param{const wxBrush\& }{brush}} -Assignment operator, using reference counting. Returns a reference -to `this'. +Assignment operator, using \helpref{reference counting}{trefcount}. \membersection{wxBrush::operator $==$}\label{wxbrushequals} \func{bool}{operator $==$}{\param{const wxBrush\& }{brush}} -Equality operator. Two brushes are equal if they contain pointers -to the same underlying brush data. It does not compare each attribute, -so two independently-created brushes using the same parameters will -fail the test. +Equality operator. +See \helpref{reference-counted object comparison}{refcountequality} for more info. \membersection{wxBrush::operator $!=$}\label{wxbrushnotequals} \func{bool}{operator $!=$}{\param{const wxBrush\& }{brush}} -Inequality operator. Two brushes are not equal if they contain pointers -to different underlying brush data. It does not compare each attribute. +Inequality operator. +See \helpref{reference-counted object comparison}{refcountequality} for more info. + \section{\class{wxBrushList}}\label{wxbrushlist} @@ -309,13 +321,16 @@ A brush list is a list containing all brushes which have been created. \wxheading{Derived from} -\helpref{wxList}{wxlist}\\ -\helpref{wxObject}{wxobject} +\helpref{wxList}{wxlist} \wxheading{Include files} +\wxheading{Library} + +\helpref{wxCore}{librarieslist} + \wxheading{Remarks} There is only one instance of this class: {\bf wxTheBrushList}. Use @@ -360,13 +375,6 @@ Constructor. The application should not construct its own brush list: use the object pointer {\bf wxTheBrushList}. -\membersection{wxBrushList::AddBrush}\label{wxbrushlistaddbrush} - -\func{void}{AddBrush}{\param{wxBrush *}{brush}} - -Used internally by wxWidgets to add a brush to the list. - - \membersection{wxBrushList::FindOrCreateBrush}\label{wxbrushlistfindorcreatebrush} \func{wxBrush *}{FindOrCreateBrush}{\param{const wxColour\& }{colour}, \param{int}{ style = wxSOLID}} @@ -381,10 +389,3 @@ to the brush list, and returns it. \docparam{style}{Brush style. See \helpref{wxBrush::SetStyle}{wxbrushsetstyle} for a list of styles.} -\membersection{wxBrushList::RemoveBrush}\label{wxbrushlistremovebrush} - -\func{void}{RemoveBrush}{\param{wxBrush *}{brush}} - -Used by wxWidgets to remove a brush from the list. - -