X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8161ba085ff043563123ca2f771a422052235cee..db67d86dd1de506a5bb14dd59e9c45230120758a:/docs/latex/wx/colour.tex?ds=sidebyside diff --git a/docs/latex/wx/colour.tex b/docs/latex/wx/colour.tex index c5fee6e53e..00174d23da 100644 --- a/docs/latex/wx/colour.tex +++ b/docs/latex/wx/colour.tex @@ -1,3 +1,14 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: colour.tex +%% Purpose: wxColour docs +%% Author: +%% Modified by: Francesco Montorsi +%% Created: +%% RCS-ID: $Id$ +%% Copyright: (c) wxWidgets +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + \section{\class{wxColour}}\label{wxcolour} A colour is an object representing a combination of Red, Green, and Blue (RGB) intensity values, @@ -40,20 +51,20 @@ wxLIGHT\_GREY} \latexignore{\rtfignore{\wxheading{Members}}} + \membersection{wxColour::wxColour}\label{wxcolourconstr} \func{}{wxColour}{\void} Default constructor. -\func{}{wxColour}{\param{const unsigned char}{ red}, \param{const unsigned char}{ green}, \param{const unsigned char}{ blue}} +\func{}{wxColour}{\param{unsigned char}{ red}, \param{unsigned char}{ green}, \param{unsigned char}{ blue}} Constructs a colour from red, green and blue values. \func{}{wxColour}{\param{const wxString\& }{colourNname}} -Constructs a colour object using a colour name -listed in {\bf wxTheColourDatabase}. +Constructs a colour using the given string. See \helpref{Set}{wxcolourset3} for more info. \func{}{wxColour}{\param{const wxColour\&}{ colour}} @@ -83,12 +94,32 @@ Copy constructor. } + \membersection{wxColour::Blue}\label{wxcolourblue} \constfunc{unsigned char}{Blue}{\void} Returns the blue intensity. + +\membersection{wxColour::GetAsString}\label{wxcolourgetasstring} + +\constfunc{wxString}{GetAsString}{\param{long}{ flags}} + +Converts this colour to a \helpref{wxString}{wxstring} +using the given {\it flags}. + +The supported flags are {\bf wxC2S\_NAME}, to obtain the colour +name (e.g. wxColour(255,0,0) -> \texttt{``red"}), {\bf wxC2S\_CSS\_SYNTAX}, to obtain +the colour in the \texttt{``rgb(r,g,b)"} syntax +(e.g. wxColour(255,0,0) -> \texttt{``rgb(255,0,0)"}), and {\bf wxC2S\_HTML\_SYNTAX}, to obtain +the colour as \texttt{``\#"} followed by 6 hexadecimal digits +(e.g. wxColour(255,0,0) -> \texttt{``\#FF0000"}). + +This function never fails and always returns a non-empty string. + +\newsince{2.7.0} + \membersection{wxColour::GetPixel}\label{wxcolourgetpixel} \constfunc{long}{GetPixel}{\void} @@ -98,17 +129,20 @@ On X, an allocated pixel value is returned. -1 is returned if the pixel is invalid (on X, unallocated). + \membersection{wxColour::Green}\label{wxcolourgreen} \constfunc{unsigned char}{Green}{\void} Returns the green intensity. + \membersection{wxColour::Ok}\label{wxcolourok} \constfunc{bool}{Ok}{\void} -Returns true if the colour object is valid (the colour has been initialised with RGB values). +Returns \true if the colour object is valid (the colour has been initialised with RGB values). + \membersection{wxColour::Red}\label{wxcolourred} @@ -116,12 +150,33 @@ Returns true if the colour object is valid (the colour has been initialised with Returns the red intensity. + \membersection{wxColour::Set}\label{wxcolourset} -\func{void}{Set}{\param{const unsigned char}{ red}, \param{const unsigned char}{ green}, \param{const unsigned char}{ blue}} +\func{void}{Set}{\param{unsigned char}{ red}, \param{unsigned char}{ green}, \param{unsigned char}{ blue}} Sets the RGB intensity values. + +\membersection{wxColour::Set}\label{wxcolourset2} + +\func{void}{Set}{\param{unsigned long}{ RGB}} + +Sets the RGB intensity values extracting them from the packed long. + + +\membersection{wxColour::Set}\label{wxcolourset3} + +\func{bool}{Set}{\param{const wxString \&}{ str}} + +Sets the colour using the given string. +Accepts colour names (those listed in \helpref{wxTheColourDatabase}{wxcolourdatabase}), the CSS-like \texttt{``RGB(r,g,b)"} syntax (case insensitive) and the HTML-like syntax (i.e. \texttt{``\#"} followed by 6 hexadecimal digits for red, green, blue components). + +Returns \true if the conversion was successful, \false otherwise. + +\newsince{2.7.0} + + \membersection{wxColour::operator $=$}\label{wxcolourassign} \func{wxColour\&}{operator $=$}{\param{const wxColour\&}{ colour}} @@ -136,12 +191,14 @@ Assignment operator, using a colour name to be found in the colour database. \helpref{wxColourDatabase}{wxcolourdatabase} + \membersection{wxColour::operator $==$}\label{wxcolourequality} \func{bool}{operator $==$}{\param{const wxColour\&}{ colour}} Tests the equality of two colours by comparing individual red, green blue colours. + \membersection{wxColour::operator $!=$}\label{wxcolourinequality} \func{bool}{operator $!=$}{\param{const wxColour\&}{ colour}} @@ -166,28 +223,35 @@ This class holds a variety of information related to colour dialogs. \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxColourData::wxColourData}\label{wxcolourdataconstr} + +\membersection{wxColourData::wxColourData}\label{wxcolourdatactor} \func{}{wxColourData}{\void} -Constructor. Initializes the custom colours to white, the {\it data colour} setting +Constructor. Initializes the custom colours to {\tt wxNullColour}, +the {\it data colour} setting to black, and the {\it choose full} setting to true. -\membersection{wxColourData::\destruct{wxColourData}} + +\membersection{wxColourData::\destruct{wxColourData}}\label{wxcolourdatadtor} \func{}{\destruct{wxColourData}}{\void} Destructor. + \membersection{wxColourData::GetChooseFull}\label{wxcolourdatagetchoosefull} \constfunc{bool}{GetChooseFull}{\void} Under Windows, determines whether the Windows colour dialog will display the full dialog -with custom colour selection controls. Has no meaning under other platforms. +with custom colour selection controls. Under PalmOS, determines whether colour dialog +will display full rgb colour picker or only available palette indexer. +Has no meaning under other platforms. The default value is true. + \membersection{wxColourData::GetColour}\label{wxcolourdatagetcolour} \constfunc{wxColour\&}{GetColour}{\void} @@ -196,6 +260,7 @@ Gets the current colour associated with the colour dialog. The default colour is black. + \membersection{wxColourData::GetCustomColour}\label{wxcolourdatagetcustomcolour} \constfunc{wxColour\&}{GetCustomColour}{\param{int}{ i}} @@ -203,7 +268,8 @@ The default colour is black. Gets the {\it i}th custom colour associated with the colour dialog. {\it i} should be an integer between 0 and 15. -The default custom colours are all white. +The default custom colours are invalid colours. + \membersection{wxColourData::SetChooseFull}\label{wxcolourdatasetchoosefull} @@ -214,6 +280,7 @@ with custom colour selection controls. Under other platforms, has no effect. The default value is true. + \membersection{wxColourData::SetColour}\label{wxcolourdatasetcolour} \func{void}{SetColour}{\param{const wxColour\&}{ colour}} @@ -222,6 +289,7 @@ Sets the default colour for the colour dialog. The default colour is black. + \membersection{wxColourData::SetCustomColour}\label{wxcolourdatasetcustomcolour} \func{void}{SetCustomColour}{\param{int}{ i}, \param{const wxColour\&}{ colour}} @@ -229,7 +297,8 @@ The default colour is black. Sets the {\it i}th custom colour for the colour dialog. {\it i} should be an integer between 0 and 15. -The default custom colours are all white. +The default custom colours are invalid colours. + \membersection{wxColourData::operator $=$}\label{wxcolourdataassign} @@ -237,17 +306,24 @@ The default custom colours are all white. Assignment operator for the colour data. + + + \section{\class{wxColourDatabase}}\label{wxcolourdatabase} -wxWindows maintains a database of standard RGB colours for a predefined +wxWidgets maintains a database of standard RGB colours for a predefined set of named colours (such as ``BLACK'', ``LIGHT GREY''). The -application may add to this set if desired by using {\it Append}. There -is only one instance of this class: {\bf wxTheColourDatabase}. +application may add to this set if desired by using +\helpref{AddColour}{wxcolourdatabaseaddcolour} and may use it to look up +colours by names using \helpref{Find}{wxcolourdatabasefind} or find the names +for the standard colour suing \helpref{FindName}{wxcolourdatabasefindname}. + +There is one predefined instance of this class called +{\bf wxTheColourDatabase}. \wxheading{Derived from} -\helpref{wxList}{wxlist}\\ -\helpref{wxObject}{wxobject} +None \wxheading{Include files} @@ -255,7 +331,7 @@ is only one instance of this class: {\bf wxTheColourDatabase}. \wxheading{Remarks} -The colours in the standard database are as follows: +The standard database contains at least the following colours: AQUAMARINE, BLACK, BLUE, BLUE VIOLET, BROWN, CADET BLUE, CORAL, CORNFLOWER BLUE, CYAN, DARK GREY, DARK GREEN, DARK OLIVE GREEN, DARK @@ -276,29 +352,39 @@ YELLOW GREEN. \latexignore{\rtfignore{\wxheading{Members}}} + \membersection{wxColourDatabase::wxColourDatabase}\label{wxcolourdatabaseconstr} \func{}{wxColourDatabase}{\void} -Constructs the colour database. +Constructs the colour database. It will be initialized at the first use. -\membersection{wxColourDatabase::FindColour}\label{wxcolourdatabasefindcolour} -\func{wxColour*}{FindColour}{\param{const wxString\& }{colourName}} +\membersection{wxColourDatabase::AddColour}\label{wxcolourdatabaseaddcolour} -Finds a colour given the name. Returns NULL if not found. +\func{void}{AddColour}{\param{const wxString\& }{colourName}, \param{const wxColour\&}{colour}} -\membersection{wxColourDatabase::FindName}\label{wxcolourdatabasefindname} +\func{void}{AddColour}{\param{const wxString\& }{colourName}, \param{wxColour* }{colour}} + +Adds a colour to the database. If a colour with the same name already exists, +it is replaced. + +Please note that the overload taking a pointer is deprecated and will be +removed in the next wxWidgets version, please don't use it. -\constfunc{wxString}{FindName}{\param{const wxColour\&}{ colour}} -Finds a colour name given the colour. Returns NULL if not found. +\membersection{wxColourDatabase::Find}\label{wxcolourdatabasefind} -\membersection{wxColourDatabase::Initialize}\label{wxcolourdatabaseinitialize} +\func{wxColour}{Find}{\param{const wxString\& }{colourName}} -\func{void}{Initialize}{\void} +Finds a colour given the name. Returns an invalid colour object (that is, such +that its \helpref{Ok()}{wxcolourok} method returns \false) if the colour wasn't +found in the database. -Initializes the database with a number of stock colours. Called by wxWindows -on start-up. +\membersection{wxColourDatabase::FindName}\label{wxcolourdatabasefindname} + +\constfunc{wxString}{FindName}{\param{const wxColour\&}{ colour}} +Finds a colour name given the colour. Returns an empty string if the colour is +not found in the database.