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

Detects red eye area in the image.

Declaration:

 
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AT_ERRCOUNT ACCUAPI IG_IP_detect_redeye_area(
        HIGEAR hIGear, 
        AT_INT xPos,
        AT_INT yPos,
        AT_DOUBLE dblThreshold, 
        LPAT_RECT lpRect,  
        AT_NR_ROI_MASK* lpMask
); 

Arguments:

Name Type Description
hIGear HIGEAR Image to analyze.
xPos AT_INT X coordinate of a point inside the area to be detected.
yPos AT_INT Y coordinate of a point inside the area to be detected.
dblThreshold AT_DOUBLE Area threshold. Value in the range 0.5..2 that specifies a part of the red component in the pixel color.
lpRect LPAT_RECT Rectangular area to apply the effect to, or NULL for whole image.
lpMask AT_NR_ROI_MASK* Returns the ROI mask.

Return Value:

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

Supported Raster Image Formats:

RGB – 3…48 bpp;
RGBA, RGBPA – 4..64 bpp;
RGBEx, RGBAEx, RGBPAEx – 1…16 bpc;
CMYK – 32 bpp.