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  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.

Enumeration Type Documentation

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.

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.


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.

An instance of an empty image without an alpha channel.



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