X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/649d13e837b25f7b948ccfae02b18131f3a0a743..93c4157c6cf8603eaba7ebbbc3b1e7bd303d8241:/docs/latex/wx/image.tex?ds=sidebyside

diff --git a/docs/latex/wx/image.tex b/docs/latex/wx/image.tex
index 28aadc6a22..574391e7c1 100644
--- a/docs/latex/wx/image.tex
+++ b/docs/latex/wx/image.tex
@@ -24,16 +24,18 @@ handler with \helpref{wxImage::AddHandler}{wximageaddhandler} or
 
 \twocolwidtha{5cm}%
 \begin{twocollist}
-\twocolitem{\indexit{wxBMPHandler}}{Only for loading, always installed.}
+\twocolitem{\indexit{wxBMPHandler}}{For loading and saving, always installed.}
 \twocolitem{\indexit{wxPNGHandler}}{For loading and saving.}
 \twocolitem{\indexit{wxJPEGHandler}}{For loading and saving.}
 \twocolitem{\indexit{wxGIFHandler}}{Only for loading, due to legal issues.}
 \twocolitem{\indexit{wxPCXHandler}}{For loading and saving (see below).}
 \twocolitem{\indexit{wxPNMHandler}}{For loading and saving (see below).}
 \twocolitem{\indexit{wxTIFFHandler}}{For loading and saving.}
+\twocolitem{\indexit{wxIFFHandler}}{For loading only.}
 \twocolitem{\indexit{wxXPMHandler}}{For loading and saving.}
 \twocolitem{\indexit{wxICOHandler}}{For loading and saving.}
 \twocolitem{\indexit{wxCURHandler}}{For loading and saving.}
+\twocolitem{\indexit{wxANIHandler}}{For loading only.}
 \end{twocollist}
 
 When saving in PCX format, {\bf wxPCXHandler} will count the number of
@@ -122,15 +124,16 @@ Loads an image from an input stream.
 \twocolitem{\indexit{wxBITMAP\_TYPE\_XPM}}{Load a XPM bitmap file.}
 \twocolitem{\indexit{wxBITMAP\_TYPE\_ICO}}{Load a Windows icon file (ICO).}
 \twocolitem{\indexit{wxBITMAP\_TYPE\_CUR}}{Load a Windows cursor file (CUR).}
+\twocolitem{\indexit{wxBITMAP\_TYPE\_ANI}}{Load a Windows animated cursor file (ANI).}
 \twocolitem{\indexit{wxBITMAP\_TYPE\_ANY}}{Will try to autodetect the format.}
 \end{twocollist}}
 
 \docparam{mimetype}{MIME type string (for example 'image/jpeg')}
 
 \docparam{index}{Index of the image to load in the case that the image file contains multiple images.
-This is only used by ICO and TIFF handlers. The default value (-1) means 
+This is only used by GIF, ICO and TIFF handlers. The default value (-1) means 
 "choose the default image" and is interpreted as the first image (index=0) by 
-the TIFF handler and as the largest and most colourful one by the ICO handler.}
+the GIF and TIFF handler and as the largest and most colourful one by the ICO handler.}
 
 \wxheading{Remarks}
 
@@ -143,8 +146,8 @@ initialized with \helpref{wxImage::AddHandler}{wximageaddhandler} or
 Note: you can use \helpref{GetOptionInt}{wximagegetoptionint} to get the 
 hotspot for loaded cursor file:
 \begin{verbatim}
-    int hotspot_x = image.GetOptionInt(wxCUR_HOTSPOT_X);
-    int hotspot_y = image.GetOptionInt(wxCUR_HOTSPOT_Y);
+    int hotspot_x = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+    int hotspot_y = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
 
 \end{verbatim}
 
@@ -194,6 +197,10 @@ of a given handler class in an application session.}
 
 \helpref{wxImageHandler}{wximagehandler}
 
+\func{bool}{CanRead}{\param{const wxString\&}{ filename}}
+
+returns TRUE if the current image handlers can read this file
+
 \pythonnote{In wxPython this static method is named {\tt wxImage\_AddHandler}.}
 \membersection{wxImage::CleanUpHandlers}
 
@@ -203,6 +210,32 @@ Deletes all image handlers.
 
 This function is called by wxWindows on exit.
 
+\membersection{wxImage::ComputeHistogram}\label{wximagecomputehistogram}
+
+\constfunc{unsigned long}{ComputeHistogram}{\param{wxImageHistogram\& }{histogram}}
+
+Computes the histogram of the image. {\it histogram} is a reference to 
+wxImageHistogram object. wxImageHistogram is a specialization of 
+\helpref{wxHashMap}{wxhashmap} "template" and is defined as follows:
+
+\begin{verbatim}
+class WXDLLEXPORT wxImageHistogramEntry
+{
+public:
+    wxImageHistogramEntry() : index(0), value(0) {}
+    unsigned long index;
+    unsigned long value;
+};
+
+WX_DECLARE_EXPORTED_HASH_MAP(unsigned long, wxImageHistogramEntry,
+                             wxIntegerHash, wxIntegerEqual,
+                             wxImageHistogram);
+\end{verbatim}
+
+\wxheading{Return value}
+
+Returns number of colours in the histogram.
+
 \membersection{wxImage::ConvertToBitmap}\label{wximageconverttobitmap}
 
 \constfunc{wxBitmap}{ConvertToBitmap}{\void}
@@ -352,6 +385,7 @@ available images.
 \twocolitem{\indexit{wxBITMAP\_TYPE\_XPM}}{Load a XPM bitmap file.}
 \twocolitem{\indexit{wxBITMAP\_TYPE\_ICO}}{Load a Windows icon file (ICO).}
 \twocolitem{\indexit{wxBITMAP\_TYPE\_CUR}}{Load a Windows cursor file (CUR).}
+\twocolitem{\indexit{wxBITMAP\_TYPE\_ANI}}{Load a Windows animated cursor file (ANI).}
 \twocolitem{\indexit{wxBITMAP\_TYPE\_ANY}}{Will try to autodetect the format.}
 \end{twocollist}}
 
@@ -534,15 +568,16 @@ Loads an image from an input stream.
 \twocolitem{{\bf wxBITMAP\_TYPE\_XPM}}{Load a XPM image file.}
 \twocolitem{{\bf wxBITMAP\_TYPE\_ICO}}{Load a Windows icon file (ICO).}
 \twocolitem{{\bf wxBITMAP\_TYPE\_CUR}}{Load a Windows cursor file (CUR).}
+\twocolitem{\indexit{wxBITMAP\_TYPE\_ANI}}{Load a Windows animated cursor file (ANI).}
 \twocolitem{{\bf wxBITMAP\_TYPE\_ANY}}{Will try to autodetect the format.}
 \end{twocollist}}
 
 \docparam{mimetype}{MIME type string (for example 'image/jpeg')}
 
 \docparam{index}{Index of the image to load in the case that the image file contains multiple images.
-This is only used by ICO and TIFF handlers. The default value (-1) means 
+This is only used by GIF, ICO and TIFF handlers. The default value (-1) means 
 "choose the default image" and is interpreted as the first image (index=0) by 
-the TIFF handler and as the largest and most colourful one by the ICO handler.}
+the GIF and TIFF handler and as the largest and most colourful one by the ICO handler.}
 
 \wxheading{Remarks}
 
@@ -551,14 +586,15 @@ Depending on how wxWindows has been configured, not all formats may be available
 Note: you can use \helpref{GetOptionInt}{wximagegetoptionint} to get the 
 hotspot for loaded cursor file:
 \begin{verbatim}
-    int hotspot_x = image.GetOptionInt(wxCUR_HOTSPOT_X);
-    int hotspot_y = image.GetOptionInt(wxCUR_HOTSPOT_Y);
+    int hotspot_x = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+    int hotspot_y = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
 
 \end{verbatim}
 
 \wxheading{Return value}
 
-TRUE if the operation succeeded, FALSE otherwise.
+TRUE if the operation succeeded, FALSE otherwise. If the optional index parameter is out of range,
+FALSE is returned and a call to wxLogError() takes place.
 
 \wxheading{See also}
 
@@ -607,17 +643,23 @@ TRUE if the handler was found and removed, FALSE otherwise.
 
 \membersection{wxImage::SaveFile}\label{wximagesavefile}
 
-\func{bool}{SaveFile}{\param{const wxString\& }{name}, \param{int}{ type}}
+\constfunc{bool}{SaveFile}{\param{const wxString\& }{name}, \param{int}{ type}}
+
+\constfunc{bool}{SaveFile}{\param{const wxString\& }{name}, \param{const wxString\&}{ mimetype}}
+
+Saves an image in the named file.
 
-\func{bool}{SaveFile}{\param{const wxString\& }{name}, \param{const wxString\&}{ mimetype}}
+\constfunc{bool}{SaveFile}{\param{const wxString\& }{name}}
 
-Saves a image in the named file.
+Saves an image in the named file. File type is determined from the extension of the
+file name. Note that this function may fail if the extension is not recognized! You
+can use one of the forms above to save images to files with non-standard extensions.
 
-\func{bool}{SaveFile}{\param{wxOutputStream\& }{stream}, \param{int}{ type}}
+\constfunc{bool}{SaveFile}{\param{wxOutputStream\& }{stream}, \param{int}{ type}}
 
-\func{bool}{SaveFile}{\param{wxOutputStream\& }{stream}, \param{const wxString\&}{ mimetype}}
+\constfunc{bool}{SaveFile}{\param{wxOutputStream\& }{stream}, \param{const wxString\&}{ mimetype}}
 
-Saves a image in the given stream.
+Saves an image in the given stream.
 
 \wxheading{Parameters}
 
@@ -625,17 +667,17 @@ Saves a image in the given stream.
 
 \docparam{stream}{Opened output stream to save the image to.}
 
-\docparam{type}{Currently three types can be used:
+\docparam{type}{Currently these types can be used:
 
 \twocolwidtha{5cm}%
 \begin{twocollist}
+\twocolitem{{\bf wxBITMAP\_TYPE\_BMP}}{Save a BMP image file.}
 \twocolitem{{\bf wxBITMAP\_TYPE\_JPEG}}{Save a JPEG image file.}
 \twocolitem{{\bf wxBITMAP\_TYPE\_PNG}}{Save a PNG image file.}
 \twocolitem{{\bf wxBITMAP\_TYPE\_PCX}}{Save a PCX image file (tries to save as 8-bit if possible, falls back to 24-bit otherwise).}
 \twocolitem{{\bf wxBITMAP\_TYPE\_PNM}}{Save a PNM image file (as raw RGB always).}
 \twocolitem{{\bf wxBITMAP\_TYPE\_TIFF}}{Save a TIFF image file.}
 \twocolitem{{\bf wxBITMAP\_TYPE\_XPM}}{Save a XPM image file.}
-\twocolitem{{\bf wxBITMAP\_TYPE\_ICO}}{Save a ICO image file. }
 \twocolitem{{\bf wxBITMAP\_TYPE\_ICO}}{Save a Windows icon file (ICO) (the size may be up to 255 wide by 127 high. A single image is saved in 8 colors at the size supplied).}
 \twocolitem{{\bf wxBITMAP\_TYPE\_CUR}}{Save a Windows cursor file (CUR).}
 \end{twocollist}}
@@ -654,8 +696,8 @@ Note: you can use \helpref{GetOptionInt}{wximagegetoptionint} to set the
 hotspot before saving an image into a cursor file (default hotspot is in 
 the centre of the image):
 \begin{verbatim}
-    image.SetOption(wxCUR_HOTSPOT_X, hotspotX);
-    image.SetOption(wxCUR_HOTSPOT_Y, hotspotY);
+    image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hotspotX);
+    image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hotspotY);
 
 \end{verbatim}
 
