ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Core Component API Reference / Core Component Functions Reference / Image Processing Functions / IG_IP_detect_redeye_area
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    IG_IP_detect_redeye_area
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    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.