X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cbea3ec6ae2cd8c8d477c6f04a09ca8a1fa1ab96..5b88a837ba75928cd3835a6b97ae2bf5ad983a6e:/interface/wx/bitmap.h?ds=sidebyside diff --git a/interface/wx/bitmap.h b/interface/wx/bitmap.h index ef1996453c..1d2b8b81f8 100644 --- a/interface/wx/bitmap.h +++ b/interface/wx/bitmap.h @@ -21,10 +21,15 @@ If you wish to extend the capabilities of wxBitmap, derive a class from wxBitmapHandler and add the handler using wxBitmap::AddHandler() in your - application initialisation. + application initialization. + + Note that all wxBitmapHandlers provided by wxWidgets are part of the + @ref page_libs_wxcore library. + For details about the default handlers, please see the note in the + wxBitmap class documentation. @library{wxcore} - @category{misc} + @category{gdi} @see @ref overview_bitmap, wxBitmap, wxIcon, wxCursor */ @@ -162,17 +167,21 @@ public: class (either wxNativePixelData for RGB bitmaps or wxAlphaPixelData for bitmaps with an additionaly alpha channel). - @note - Many wxBitmap functions take a @e type parameter, which is a value of the - ::wxBitmapType enumeration. + Note that many wxBitmap functions take a @e type parameter, which is a + value of the ::wxBitmapType enumeration. The validity of those values depends however on the platform where your program is running and from the wxWidgets configuration. - If all possible wxWidgets 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 load and save all formats that wxImage; see wxImage for - more info. Of course, you must have wxImage handlers loaded. + If all possible wxWidgets settings are used: + - wxMSW supports BMP and ICO files, BMP and ICO resources; + - wxGTK supports XPM files; + - wxMac supports PICT resources; + - wxX11 supports XPM files, XPM data, XBM data; + + In addition, wxBitmap can load and save all formats that wxImage can; see wxImage + for more info. Of course, you must have loaded the wxImage handlers + (see ::wxInitAllImageHandlers() and wxImage::AddHandler). + Note that all available wxBitmapHandlers for a given wxWidgets port are + automatically loaded at startup so you won't need to use wxBitmap::AddHandler. @library{wxcore} @category{gdi} @@ -264,6 +273,11 @@ public: A depth of 32 including an alpha channel is supported under MSW, Mac and GTK+. */ wxBitmap(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH); + + /** + @overload + */ + wxBitmap(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH); /** Creates a bitmap from XPM data. @@ -331,6 +345,14 @@ public: @param handler A new bitmap format handler object. There is usually only one instance of a given handler class in an application session. + + Note that unlike wxImage::AddHandler, there's no documented list of + the wxBitmapHandlers available in wxWidgets. + This is because they are platform-specific and most important, they are + all automatically loaded at startup. + + If you want to be sure that wxBitmap can load a certain type of image, + you'd better use wxImage::AddHandler. @see wxBitmapHandler */ @@ -357,10 +379,15 @@ public: /** Creates a fresh bitmap. If the final argument is omitted, the display depth of the screen is used. - - This overload works on all platforms. + + @return @true if the creation was successful. */ virtual bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH); + + /** + @overload + */ + virtual bool Create(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH); /* Creates a bitmap from the given data, which can be of arbitrary type. @@ -431,10 +458,12 @@ public: @see wxBitmapHandler */ - static wxList GetHandlers(); + static wxList& GetHandlers(); /** Gets the height of the bitmap in pixels. + + @see GetWidth(), GetSize() */ virtual int GetHeight() const; @@ -460,10 +489,19 @@ public: */ virtual wxBitmap GetSubBitmap(const wxRect& rect) const; + /** + Returns the size of the bitmap in pixels. + + @since 2.9.0 + + @see GetHeight(), GetWidth() + */ + wxSize GetSize() const; + /** Gets the width of the bitmap in pixels. - @see GetHeight() + @see GetHeight(), GetSize() */ virtual int GetWidth() const; @@ -492,7 +530,7 @@ public: /** Returns @true if bitmap data is present. */ - bool IsOk() const; + virtual bool IsOk() const; /** Loads a bitmap from a file or resource.