ImageGear for C and C++ on Windows v19.10 - Updated
IG_IP_erode
API Reference Guide > Core Component API Reference > Core Component Functions Reference > Image Processing Functions > IG_IP_erode

This function applies erosion effect to provided raster page using the specified structure element.

Declaration:

 
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AT_ERRCOUNT ACCUAPI IG_IP_erode(
        HIGEAR hIGear, 
        LPAT_RECT lpRect,
        LPAT_INT lpMatrix,
        AT_INT nMatrixSize
);

Arguments:

Name Type Description
hIGear HIGEAR Image to which to apply effect.
lpRect LPAT_RECT Image rectangle to process.
lpMatrix LPAT_INT Matrix specifying a structuring element for the operation.
nMatrixSize AT_INT Matrix edge size.

Return Value:

Returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

Indexed RGB - 1…8 bpp with grayscale palette;
Grayscale - 1…16 bpp.

Sample:

Image Processing

Remarks:

This function is applicable to any grayscale image (image with [Gy] color space).