ImageGear Professional for Unix
IG_IP_color_count_get
| ImageGear Professional v18.2 > API Reference Guide > Core Component API Reference > Core Component Functions Reference > Image Processing Functions > IG_IP_color_count_get |
This function counts the number of unique colors in the specified rectangular area of the image.
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AT_ERRCOUNT ACCUAPI IG_IP_color_count_get(
HIGEAR hIGear,
LPAT_RECT lpRect,
LPAT_INT lpCount
);
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| Name | Type | Description |
| hIGear | HIGEAR | Image whose count colors are to be counted. |
| lpRect | LPAT_RECT | Rectangle in which to count colors (NULL for the whole image). |
| lpCount | LPAT_INT | Pointer to AT_INT to receive number of colors. |
Returns the number of ImageGear errors that occurred during this function call.
All pixel formats supported by ImageGear Professional.