public:
//@{
/**
- Creates an image from XPM data.
-
+ Creates an image from data in memory. If static_data is false
+ then the wxImage will take ownership of the data and free it
+ afterwards. For this, it has to be allocated with @e malloc.
+
@param width
Specifies the width of the image.
@param height
Specifies the height of the image.
+ @param data
+ A pointer to RGB data
+ @param apha
+ A pointer to alpha-channel data
+
+ */
+ wxImage(int width, int height, unsigned char* data, unsigned char* alpha, bool static_data = false );
+ wxImage(int width, int height, unsigned char* data, bool static_data = false);
+ //@}
+
+ /**
+ Creates an image with the given size and clears it if requested.
+ Does not create an alpha channel.
+ */
+ wxImage(int width, int height, bool clear = true);
+
+ /**
+ Creates an empty wxImage object. Does not create
+ an alpha channel.
+
+ @param width
+ Specifies the width of the image.
+ @param height
+ Specifies the height of the image.
+ @clear
+ Clear the image with zeros.
+ */
+ wxImage();
+
+ /**
+ Creates an image from XPM data.
+
+ @param xpmData
+ A pointer to XPM image data.
+ */
+ wxImage(const char* const* xpmData);
+ //@{
+ /**
@param name
Name of the file from which to load the image.
@param stream
- Opened input stream from which to load the image. Currently, the stream
- must support seeking.
+ Opened input stream from which to load the image. Currently,
+ the stream must support seeking.
@param type
May be one of the following:
-
-
-
-
-
-
- wxBITMAP_TYPE_BMP
-
-
-
-
- Load a Windows bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_GIF
-
-
-
-
- Load a GIF bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_JPEG
-
-
-
-
- Load a JPEG bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_PNG
-
-
-
-
- Load a PNG bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_PCX
-
-
-
-
- Load a PCX bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_PNM
-
-
-
-
- Load a PNM bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_TIF
-
-
-
-
- Load a TIFF bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_TGA
-
-
-
-
- Load a TGA bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_XPM
-
-
-
-
- Load a XPM bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_ICO
-
-
-
-
- Load a Windows icon file (ICO).
-
-
-
-
-
- wxBITMAP_TYPE_CUR
-
-
-
-
- Load a Windows cursor file (CUR).
-
-
-
-
-
- wxBITMAP_TYPE_ANI
-
-
-
-
- Load a Windows animated cursor file (ANI).
-
-
-
-
-
- wxBITMAP_TYPE_ANY
-
-
-
-
- Will try to autodetect the format.
+ wxBITMAP_TYPE_BMP: Load a Windows bitmap file.
+ wxBITMAP_TYPE_GIF: Load a GIF bitmap file.
+ wxBITMAP_TYPE_JPEG: Load a JPEG bitmap file.
+ wxBITMAP_TYPE_PNG: Load a PNG bitmap file.
+ wxBITMAP_TYPE_PCX: Load a PCX bitmap file.
+ wxBITMAP_TYPE_PNM: Load a PNM bitmap file.
+ wxBITMAP_TYPE_TIF: Load a TIFF bitmap file.
+ wxBITMAP_TYPE_TGA: Load a TGA bitmap file.
+ wxBITMAP_TYPE_XPM: Load a XPM bitmap file.
+ wxBITMAP_TYPE_ICO: Load a Windows icon file (ICO).
+ wxBITMAP_TYPE_CUR: Load a Windows cursor file (CUR).
+ wxBITMAP_TYPE_ANI: Load a Windows animated cursor file (ANI).
+ wxBITMAP_TYPE_ANY: Will try to autodetect the format.
+
@param mimetype
MIME type string (for example 'image/jpeg')
@param index
Index of the image to load in the case that the image file contains
- multiple images.
- 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 GIF and TIFF handler and as the largest and most colourful one by the
- ICO handler.
- @param xpmData
- A pointer to XPM image data.
+ multiple images. 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 GIF and TIFF handler
+ and as the largest and most colourful one by the ICO handler.
@remarks Depending on how wxWidgets has been configured, not all formats
may be available.
@see LoadFile()
*/
- wxImage();
- wxImage(const wxImage& image);
- wxImage(const wxBitmap& bitmap);
- wxImage(int width, int height, bool clear = true);
- wxImage(int width, int height, unsigned char* data,
- bool static_data = false);
- wxImage(const wxString& name, long type = wxBITMAP_TYPE_ANY,
- int index = -1);
- wxImage(const wxString& name, const wxString& mimetype,
- int index = -1);
- wxImage(wxInputStream& stream, long type = wxBITMAP_TYPE_ANY,
- int index = -1);
- wxImage(wxInputStream& stream, const wxString& mimetype,
- int index = -1);
- wxImage(const char* const* xpmData);
+ wxImage(const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1);
+ wxImage(const wxString& name, const wxString& mimetype, int index = -1);
+ wxImage(wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1);
+ wxImage(wxInputStream& stream, const wxString& mimetype, int index = -1);
//@}
+
/**
Destructor.
@param name
Name of the file to query.
@param stream
- Opened input stream with image data. Currently, the stream must support
- seeking.
+ Opened input stream with image data. Currently, the stream must
+ support seeking.
@param type
May be one of the following:
-
-
-
-
-
-
- wxBITMAP_TYPE_BMP
-
-
-
-
- Load a Windows bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_GIF
-
-
-
-
- Load a GIF bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_JPEG
-
-
-
-
- Load a JPEG bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_PNG
-
-
-
-
- Load a PNG bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_PCX
-
-
-
-
- Load a PCX bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_PNM
-
-
-
-
- Load a PNM bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_TIF
-
-
-
-
- Load a TIFF bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_XPM
-
-
-
-
- Load a XPM bitmap file.
-
-
-
-
-
- wxBITMAP_TYPE_ICO
-
-
-
-
- Load a Windows icon file (ICO).
-
-
-
-
-
- wxBITMAP_TYPE_CUR
-
-
-
-
- Load a Windows cursor file (CUR).
-
-
-
-
-
- wxBITMAP_TYPE_ANI
-
-
-
-
- Load a Windows animated cursor file (ANI).
-
-
-
-
-
- wxBITMAP_TYPE_ANY
-
-
-
-
- Will try to autodetect the format.
+ wxBITMAP_TYPE_BMP: Load a Windows bitmap file.
+ wxBITMAP_TYPE_GIF: Load a GIF bitmap file.
+ wxBITMAP_TYPE_JPEG: Load a JPEG bitmap file.
+ wxBITMAP_TYPE_PNG: Load a PNG bitmap file.
+ wxBITMAP_TYPE_PCX: Load a PCX bitmap file.
+ wxBITMAP_TYPE_PNM: Load a PNM bitmap file.
+ wxBITMAP_TYPE_TIF: Load a TIFF bitmap file.
+ wxBITMAP_TYPE_TGA: Load a TGA bitmap file.
+ wxBITMAP_TYPE_XPM: Load a XPM bitmap file.
+ wxBITMAP_TYPE_ICO: Load a Windows icon file (ICO).
+ wxBITMAP_TYPE_CUR: Load a Windows cursor file (CUR).
+ wxBITMAP_TYPE_ANI: Load a Windows animated cursor file (ANI).
+ wxBITMAP_TYPE_ANY: Will try to autodetect the format.
@returns Number of available images. For most image handlers, this is 1
(exceptions are TIFF and ICO formats).
@param name
Name of the file from which to load the image.
@param stream
- Opened input stream from which to load the image. Currently, the stream
- must support seeking.
+ Opened input stream from which to load the image. Currently, the
+ stream must support seeking.
@param type
- One of the following values:
-
-
-
-
-
-
- wxBITMAP_TYPE_BMP
-
-
-
-
- Load a Windows image file.
-
-
-
-
-
- wxBITMAP_TYPE_GIF
-
-
-
-
- Load a GIF image file.
-
-
-
-
-
- wxBITMAP_TYPE_JPEG
-
-
-
-
- Load a JPEG image file.
-
-
-
-
-
- wxBITMAP_TYPE_PCX
-
-
-
-
- Load a PCX image file.
-
-
-
-
-
- wxBITMAP_TYPE_PNG
-
-
-
-
- Load a PNG image file.
-
-
-
-
-
- wxBITMAP_TYPE_PNM
-
-
-
-
- Load a PNM image file.
-
-
-
-
-
- wxBITMAP_TYPE_TIF
-
-
-
-
- Load a TIFF image file.
-
-
-
-
-
- wxBITMAP_TYPE_XPM
-
-
-
-
- Load a XPM image file.
-
-
-
-
-
- wxBITMAP_TYPE_ICO
-
-
-
-
- Load a Windows icon file (ICO).
-
-
-
-
-
- wxBITMAP_TYPE_CUR
-
-
-
-
- Load a Windows cursor file (CUR).
-
-
-
-
-
- wxBITMAP_TYPE_ANI
-
-
-
-
- Load a Windows animated cursor file (ANI).
-
-
-
-
-
- wxBITMAP_TYPE_ANY
-
-
-
-
- Will try to autodetect the format.
+ May be one of the following:
+ wxBITMAP_TYPE_BMP: Load a Windows bitmap file.
+ wxBITMAP_TYPE_GIF: Load a GIF bitmap file.
+ wxBITMAP_TYPE_JPEG: Load a JPEG bitmap file.
+ wxBITMAP_TYPE_PNG: Load a PNG bitmap file.
+ wxBITMAP_TYPE_PCX: Load a PCX bitmap file.
+ wxBITMAP_TYPE_PNM: Load a PNM bitmap file.
+ wxBITMAP_TYPE_TIF: Load a TIFF bitmap file.
+ wxBITMAP_TYPE_TGA: Load a TGA bitmap file.
+ wxBITMAP_TYPE_XPM: Load a XPM bitmap file.
+ wxBITMAP_TYPE_ICO: Load a Windows icon file (ICO).
+ wxBITMAP_TYPE_CUR: Load a Windows cursor file (CUR).
+ wxBITMAP_TYPE_ANI: Load a Windows animated cursor file (ANI).
+ wxBITMAP_TYPE_ANY: Will try to autodetect the format.
@param mimetype
MIME type string (for example 'image/jpeg')
@param index
Index of the image to load in the case that the image file contains
- multiple images.
- 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 GIF and TIFF handler and as the largest and most colourful one by the
- ICO handler.
+ multiple images. 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 GIF and TIFF handler
+ and as the largest and most colourful one by the ICO handler.
@returns @true if the operation succeeded, @false otherwise. If the
optional index parameter is out of range, @false is
Opened output stream to save the image to.
@param type
Currently these types can be used:
-
-
-
-
-
-
- wxBITMAP_TYPE_BMP
-
-
-
-
- Save a BMP image file.
-
-
-
-
-
- wxBITMAP_TYPE_JPEG
-
-
-
-
- Save a JPEG image file.
-
-
-
-
-
- wxBITMAP_TYPE_PNG
-
-
-
-
- Save a PNG image file.
-
-
-
-
-
- wxBITMAP_TYPE_PCX
-
-
-
-
- Save a PCX image file (tries to save as 8-bit if possible, falls back to
- 24-bit otherwise).
-
-
-
-
-
- wxBITMAP_TYPE_PNM
-
-
-
-
- Save a PNM image file (as raw RGB always).
-
-
-
-
-
- wxBITMAP_TYPE_TIFF
-
-
-
-
- Save a TIFF image file.
-
-
-
-
-
- wxBITMAP_TYPE_XPM
-
-
-
-
- Save a XPM image file.
-
-
-
-
-
- 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).
-
-
-
-
-
- wxBITMAP_TYPE_CUR
-
-
-
-
- Save a Windows cursor file (CUR).
+ wxBITMAP_TYPE_BMP: Save a BMP image file.
+ wxBITMAP_TYPE_JPEG: Save a JPEG image file.
+ wxBITMAP_TYPE_PNG: Save a PNG image file.
+ wxBITMAP_TYPE_PCX: Save a PCX image file (tries to save as 8-bit if possible,
+ falls back to 24-bit otherwise).
+ wxBITMAP_TYPE_PNM: Save a PNM image file (as raw RGB always).
+ wxBITMAP_TYPE_TIFF: Save a TIFF image file.
+ wxBITMAP_TYPE_XPM: Save a XPM image file.
+ 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).
+ wxBITMAP_TYPE_CUR: Save a Windows cursor file (CUR).
@param mimetype
MIME type.
Example:
@param quality
- Determines what method to use for resampling the image. Can be one of the
- following:
-
-
-
-
-
-
- wxIMAGE_QUALITY_NORMAL
-
-
-
-
- Uses the normal default scaling method of pixel replication
-
-
-
-
-
- wxIMAGE_QUALITY_HIGH
-
-
-
-
- Uses bicubic and box averaging resampling methods for upsampling and
- downsampling respectively
+ Determines what method to use for resampling the image.
+ Can be one of the following:
+
+ wxIMAGE_QUALITY_NORMAL: Uses the normal default scaling method of
+ pixel replication
+ wxIMAGE_QUALITY_HIGH: Uses bicubic and box averaging resampling
+ methods for upsampling and downsampling respectively
@see Rescale()
*/