X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d7af2feac42c8b27a0823131dc2f4004c2472279..2f3f48883d514cc48cadb15f370bd6d52f49611b:/docs/latex/wx/image.tex diff --git a/docs/latex/wx/image.tex b/docs/latex/wx/image.tex index cb487fc78e..574391e7c1 100644 --- a/docs/latex/wx/image.tex +++ b/docs/latex/wx/image.tex @@ -24,17 +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 and saving.} +\twocolitem{\indexit{wxANIHandler}}{For loading only.} \end{twocollist} When saving in PCX format, {\bf wxPCXHandler} will count the number of @@ -130,9 +131,9 @@ Loads an image from an input stream. \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} @@ -145,8 +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} @@ -196,6 +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} @@ -570,9 +575,9 @@ Loads an image from an input stream. \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} @@ -581,14 +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} @@ -641,13 +647,19 @@ TRUE if the handler was found and removed, FALSE otherwise. \constfunc{bool}{SaveFile}{\param{const wxString\& }{name}, \param{const wxString\&}{ mimetype}} -Saves a image in the named file. +Saves an image in the named file. + +\constfunc{bool}{SaveFile}{\param{const wxString\& }{name}} + +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. \constfunc{bool}{SaveFile}{\param{wxOutputStream\& }{stream}, \param{int}{ type}} \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} @@ -655,17 +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}} @@ -684,8 +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}