image.h File Reference

Classes
class	wxImageHandler
	This is the base class for implementing image file loading/saving, and image creation from data. More...
class	wxImage
	This class encapsulates a platform-independent image. More...
class	wxImage::wxImage::RGBValue
	A simple class which stores red, green and blue values as 8 bit unsigned integers in the range of 0-255. More...
class	wxImage::wxImage::HSVValue
	A simple class which stores hue, saturation and value as doubles in the range 0.0-1.0. More...
Enumerations
enum	wxImageResolution {   wxIMAGE_RESOLUTION_NONE = 0,   wxIMAGE_RESOLUTION_INCHES = 1,   wxIMAGE_RESOLUTION_CM = 2 }
	Possible values for the image resolution option. More...
enum	wxImageResizeQuality {   wxIMAGE_QUALITY_NEAREST,   wxIMAGE_QUALITY_BILINEAR,   wxIMAGE_QUALITY_BICUBIC,   wxIMAGE_QUALITY_NORMAL,   wxIMAGE_QUALITY_HIGH }
	Image resize algorithm. More...
enum	wxImagePNGType {   wxPNG_TYPE_COLOUR = 0,   wxPNG_TYPE_GREY = 2,   wxPNG_TYPE_GREY_RED = 3 }
	Possible values for PNG image type option. More...
Functions
void	wxInitAllImageHandlers ()
	Initializes all available image handlers.
Variables
const unsigned char	wxIMAGE_ALPHA_TRANSPARENT = 0
	Constant used to indicate the alpha value conventionally defined as the complete transparency.
const unsigned char	wxIMAGE_ALPHA_OPAQUE = 0xff
	Constant used to indicate the alpha value conventionally defined as the complete opacity.
wxImage	wxNullImage
	An instance of an empty image without an alpha channel.

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Enumeration Type Documentation

enum wxImagePNGType

Possible values for PNG image type option.

See also:

wxImage::GetOptionInt().

Enumerator:

wxPNG_TYPE_COLOUR	Colour PNG image.
wxPNG_TYPE_GREY	Greyscale PNG image converted from RGB.
wxPNG_TYPE_GREY_RED	Greyscale PNG image using red as grey.

enum wxImageResizeQuality

Image resize algorithm.

This is used with wxImage::Scale() and wxImage::Rescale().

Enumerator:

wxIMAGE_QUALITY_NEAREST	Simplest and fastest algorithm.
wxIMAGE_QUALITY_BILINEAR	Compromise between wxIMAGE_QUALITY_NEAREST and wxIMAGE_QUALITY_BICUBIC.
wxIMAGE_QUALITY_BICUBIC	Highest quality but slowest execution time.
wxIMAGE_QUALITY_NORMAL	Default image resizing algorithm used by wxImage::Scale().
wxIMAGE_QUALITY_HIGH	Best image resizing algorithm, currently same as wxIMAGE_QUALITY_BICUBIC.

enum wxImageResolution

Possible values for the image resolution option.

See also:

wxImage::GetOptionInt().

Enumerator:

wxIMAGE_RESOLUTION_NONE	Resolution not specified.
wxIMAGE_RESOLUTION_INCHES	Resolution specified in inches.
wxIMAGE_RESOLUTION_CM	Resolution specified in centimetres.

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Variable Documentation

const unsigned char wxIMAGE_ALPHA_OPAQUE = 0xff

Constant used to indicate the alpha value conventionally defined as the complete opacity.

const unsigned char wxIMAGE_ALPHA_TRANSPARENT = 0

Constant used to indicate the alpha value conventionally defined as the complete transparency.

wxImage wxNullImage

An instance of an empty image without an alpha channel.