\helpref{wxGDIObject}{wxgdiobject}\\
\helpref{wxObject}{wxobject}
+\wxheading{Include files}
+
+<wx/bitmap.h>
+
+\wxheading{Predefined objects}
+
+Objects:
+
+{\bf wxNullBitmap}
+
\wxheading{See also}
-\helpref{wxBitmap overview}{wxbitmapoverview}, \helpref{wxDC::Blit}{wxdcblit}, \helpref{wxIcon}{wxicon}, \helpref{wxCursor}{wxcursor}, \helpref{wxMemoryDC}{wxmemorydc}
+\helpref{wxBitmap overview}{wxbitmapoverview},
+\helpref{supported bitmap file formats}{supportedbitmapformats},
+\helpref{wxDC::Blit}{wxdcblit},
+\helpref{wxIcon}{wxicon}, \helpref{wxCursor}{wxcursor}, \helpref{wxBitmap}{wxbitmap},
+\helpref{wxMemoryDC}{wxmemorydc}
\latexignore{\rtfignore{\wxheading{Members}}}
\func{}{wxBitmap}{\param{const wxBitmap\& }{bitmap}}
-\func{}{wxBitmap}{\param{const wxBitmap* }{bitmap}}
-
-Copy constructors.
+Copy constructor.
-\func{}{wxBitmap}{\param{void*}{ data}, \param{const int}{ type}, \param{const int}{ width}, \param{const int}{ height}, \param{const int}{ depth = -1}}
+\func{}{wxBitmap}{\param{void*}{ data}, \param{int}{ type}, \param{int}{ width}, \param{int}{ height}, \param{int}{ depth = -1}}
-Creates a bitmap from the given data, which can be of arbitrary type.
+Creates a bitmap from the given data which is interpreted in platform-dependent
+manner.
-\func{}{wxBitmap}{\param{const char}{ bits[]}, \param{const int}{ width}, \param{const int}{ height}\\
- \param{const int}{ depth = 1}}
+\func{}{wxBitmap}{\param{const char}{ bits[]}, \param{int}{ width}, \param{int}{ height}\\
+ \param{int}{ depth = 1}}
Creates a bitmap from an array of bits.
-\func{}{wxBitmap}{\param{const int}{ width}, \param{const int}{ height}, \param{const int}{ depth = -1}}
+You should only use this function for monochrome bitmaps ({\it depth} 1) in
+portable programs: in this case the {\it bits} parameter should contain an XBM
+image.
+
+For other bit depths, the behaviour is platform dependent: under Windows, the
+data is passed without any changes to the underlying {\tt CreateBitmap()} API.
+Under other platforms, only monochrome bitmaps may be created using this
+constructor and \helpref{wxImage}{wximage} should be used for creating colour
+bitmaps from static data.
+
+\func{}{wxBitmap}{\param{int}{ width}, \param{int}{ height}, \param{int}{ depth = -1}}
-Creates a new bitmap.
+Creates a new bitmap. A depth of -1 indicates the depth of the current screen
+or visual. Some platforms only support 1 for monochrome and -1 for the current
+colour setting.
\func{}{wxBitmap}{\param{const char**}{ bits}}
Creates a bitmap from XPM data.
-\func{}{wxBitmap}{\param{const wxString\& }{name}, \param{const long}{ type}}
+\func{}{wxBitmap}{\param{const wxString\& }{name}, \param{long}{ type}}
Loads a bitmap from a file or resource.
screen is used.}
\docparam{name}{This can refer to a resource name under MS Windows, or a filename under MS Windows and X.
-Its meaning is determined by the {\it flags} parameter.}
+Its meaning is determined by the {\it type} parameter.}
\docparam{type}{May be one of the following:
\end{twocollist}
The validity of these flags depends on the platform and wxWindows configuration.
-If all possible wxWindows settings are used, the Windows platform supports BMP, BMP\_RESOURCE,
-XPM\_DATA, and XPM. Under X, the available formats are BMP, GIF, XBM, and XPM.}
+If all possible wxWindows settings are used, the Windows platform supports BMP file, BMP resource,
+XPM data, and XPM. Under wxGTK, the available formats are BMP file, XPM data, XPM file, and PNG file.
+Under wxMotif, the available formats are XBM data, XBM file, XPM data, XPM file.
+
+In addition, wxBitmap can read all formats that \helpref{wxImage}{wximage} can, which currently include
+wxBITMAP\_TYPE\_JPEG, wxBITMAP\_TYPE\_TIF, wxBITMAP\_TYPE\_PNG, wxBITMAP\_TYPE\_GIF, wxBITMAP\_TYPE\_PCX,
+and wxBITMAP\_TYPE\_PNM. Of course, you must have wxImage handlers loaded. }
\wxheading{Remarks}
to a resource name under MS Windows, or a filename under MS Windows and X.
Under Windows, {\it type} defaults to wxBITMAP\_TYPE\_BMP\_RESOURCE.
-Under X, {\it type} defaults to wxBITMAP\_TYPE\_XBM.
+Under X, {\it type} defaults to wxBITMAP\_TYPE\_XPM.
\wxheading{See also}
\helpref{wxBitmap::LoadFile}{wxbitmaploadfile}
+\pythonnote{Constructors supported by wxPython are:\par
+\indented{2cm}{\begin{twocollist}
+\twocolitem{{\bf wxBitmap(name, flag)}}{Loads a bitmap from a file}
+\twocolitem{{\bf wxBitmapFromData(data, type, width, height, depth=1)}}{Creates
+a bitmap from the given data, which can be of arbitrary type.}
+\twocolitem{{\bf wxNoRefBitmap(name, flag)}}{This one won't own the
+reference, so Python won't call the destructor, this is good for toolbars
+and such where the parent will manage the bitmap.}
+\twocolitem{{\bf wxEmptyBitmap(width, height, depth = -1)}}{Creates an
+empty bitmap with the given specifications}
+\end{twocollist}}
+}
+
\membersection{wxBitmap::\destruct{wxBitmap}}
\func{}{\destruct{wxBitmap}}{\void}
This function is called by wxWindows on exit.
-\membersection{wxBitmap::Create}
+\membersection{wxBitmap::Create}\label{wxbitmapcreate}
-\func{virtual bool}{Create}{\param{const int}{ width}, \param{const int}{ height}, \param{const int}{ depth = -1}}
+\func{virtual bool}{Create}{\param{int}{ width}, \param{int}{ height}, \param{int}{ depth = -1}}
Creates a fresh bitmap. If the final argument is omitted, the display depth of
the screen is used.
-\func{virtual bool}{Create}{\param{void*}{ data}, \param{const int}{ type}, \param{const int}{ width}, \param{const int}{ height}, \param{const int}{ depth = -1}}
+\func{virtual bool}{Create}{\param{void*}{ data}, \param{int}{ type}, \param{int}{ width}, \param{int}{ height}, \param{int}{ depth = -1}}
Creates a bitmap from the given data, which can be of arbitrary type.
\constfunc{wxMask*}{GetMask}{\void}
-Gets the associated mask if any) which may have been loaded from a file
+Gets the associated mask (if any) which may have been loaded from a file
or set for the bitmap.
\wxheading{See also}
\helpref{wxBitmap::GetHeight}{wxbitmapgetheight}
+\membersection{wxBitmap::GetSubBitmap}\label{wxbitmapgetsubbitmap}
+
+\constfunc{wxBitmap}{GetSubBitmap}{\param{const wxRect\&}{rect}}
+
+Returns a sub bitmap of the current one as long as the rect belongs entirely to
+the bitmap. This function preserves bit depth and mask information.
+
\membersection{wxBitmap::InitStandardHandlers}
\func{static void}{InitStandardHandlers}{\void}
\membersection{wxBitmap::LoadFile}\label{wxbitmaploadfile}
-\func{bool}{LoadFile}{\param{const wxString\&}{ name}, \param{const long}{ type}}
+\func{bool}{LoadFile}{\param{const wxString\&}{ name}, \param{long}{ type}}
Loads a bitmap from a file or resource.
\twocolitem{{\bf wxBITMAP\_TYPE\_XPM}}{Load an XPM bitmap file.}
\end{twocollist}
-The validity of these flags depends on the platform and wxWindows configuration.}
+The validity of these flags depends on the platform and wxWindows configuration.
+
+In addition, wxBitmap can read all formats that \helpref{wxImage}{wximage} can
+(wxBITMAP\_TYPE\_JPEG, wxBITMAP\_TYPE\_PNG, wxBITMAP\_TYPE\_GIF, wxBITMAP\_TYPE\_PCX, wxBITMAP\_TYPE\_PNM).
+(Of course you must have wxImage handlers loaded.) }
\wxheading{Return value}
\twocolitem{{\bf wxBITMAP\_TYPE\_XPM}}{Save an XPM bitmap file.}
\end{twocollist}
-The validity of these flags depends on the platform and wxWindows configuration.}
+The validity of these flags depends on the platform and wxWindows configuration.
+
+In addition, wxBitmap can save all formats that \helpref{wxImage}{wximage} can
+(wxBITMAP\_TYPE\_JPEG, wxBITMAP\_TYPE\_PNG).
+(Of course you must have wxImage handlers loaded.) }
-\docparam{palette}{An optional palette used for saving the bitmap. TODO: this parameter should
-probably be eliminated; instead the app should set the palette before saving.}
+\docparam{palette}{An optional palette used for saving the bitmap.}
+% TODO: this parameter should
+%probably be eliminated; instead the app should set the palette before saving.
\wxheading{Return value}
\membersection{wxBitmap::SetPalette}\label{wxbitmapsetpalette}
-\func{void}{SetPalette}{\param{wxPalette* }{palette}}
+\func{void}{SetPalette}{\param{const wxPalette\& }{palette}}
-Sets the associated palette: it will be deleted in the wxBitmap
-destructor, so if you do not wish it to be deleted automatically,
-reset the palette to NULL before the bitmap is deleted.
+Sets the associated palette.
\wxheading{Parameters}
\docparam{palette}{The palette to set.}
-\wxheading{Remarks}
-
-The bitmap object owns the palette once this has been called.
-
\wxheading{See also}
\helpref{wxPalette}{wxpalette}
\helpref{wxObject}{wxobject}
+\wxheading{Include files}
+
+<wx/bitmap.h>
+
\wxheading{See also}
\helpref{wxBitmap}{wxbitmap}, \helpref{wxIcon}{wxicon}, \helpref{wxCursor}{wxcursor}
\membersection{wxBitmapHandler::Create}
-\func{virtual bool}{Create}{\param{wxBitmap* }{bitmap}, \param{void*}{ data}, \param{const int}{ type}, \param{const int}{ width}, \param{const int}{ height}, \param{const int}{ depth = -1}}
+\func{virtual bool}{Create}{\param{wxBitmap* }{bitmap}, \param{void*}{ data}, \param{int}{ type}, \param{int}{ width}, \param{int}{ height}, \param{int}{ depth = -1}}
Creates a bitmap from the given data, which can be of arbitrary type. The wxBitmap object {\it bitmap} is
manipulated by this function.
\membersection{wxBitmapHandler::LoadFile}\label{wxbitmaphandlerloadfile}
-\func{bool}{LoadFile}{\param{wxBitmap* }{bitmap}, \param{const wxString\&}{ name}, \param{const long}{ type}}
+\func{bool}{LoadFile}{\param{wxBitmap* }{bitmap}, \param{const wxString\&}{ name}, \param{long}{ type}}
Loads a bitmap from a file or resource, putting the resulting data into {\it bitmap}.
\docparam{type}{See \helpref{wxBitmap::wxBitmap}{wxbitmapconstr} for values this can take.}
-\docparam{palette}{An optional palette used for saving the bitmap. TODO: this parameter should
-probably be eliminated; instead the app should set the palette before saving.}
+\docparam{palette}{An optional palette used for saving the bitmap.}
\wxheading{Return value}
projects / wxWidgets.git / blobdiff