GetImageType

Description

This COM method returns the array of pixel value at the specified coordinates of the image.


Syntax

[VB]
Value=objImageWarp.GetImageType ( Inp )

[C/C++]
HRESULT GetImagePixel( int Inp, int* pType );


Data Types [VB]

Inp: Long
Return value: Enumerated. Can be one of the following values:

IM_GRAY = 0 – 8-bit grayscale image (256 levels)

IM_1BIT = 1 – 1-bit palettized image (2 colors)

IM_4BIT = 4 – 4-bit palettized image (16 colors)

IM_8BIT = 8 – 8-bit palettized image (256 colors)

IM_MULTI = 9 – multiphase image (256 bands)

IM_RGB16 = 16 – 16-bit high-color image (5-bit x 3 channels, 32768 colors)

IM_RGB24 = 24 – 24-bit true-color image (8-bit x 3 channels, 16777216 colors)

IM_RGB32 = 32 – 32-bit true-color image (8-bit x 3 + alpha channel, 16777216 colors)

IM_RGB48 = 48 – 48-bit true-color image (16-bit x 3 channels, 281 trillion colors)

IM_GRAY16 = 61 – 16-bit grayscale image (65536 levels)

IM_GRAY32 = 62 – 32-bit grayscale image (4294967296 levels)

IM_FLOAT = 65 – 32-bit floating point image

IM_COMPLEX = 76 – 64 bit complex image (32-bit floating point x 2 channels)

Parameters [C/C++]

Inp [in]

Index of the image

pType [out,retval]

Pointer to the image type

Return Values

S_OK

Success

E_FAIL

Failure.

Example

This VB code grabs an image and retrieves its type

IW.Call("grabIm(1)")
While IW.Status <> SS_IDLE
Wend
type=IW.GetImageType (1)
MsgBox type