This function returns the geometry colors in the range of nStart.. nEnd.
Declaration:
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Copy Code
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AT_ERRCOUNT ACCUAPI IG_vect_geom_get_colors(
HIG_VECT_ENTITY hEntity,
unsigned char* lpColors,
long nStart,
long nEnd
);
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Arguments:
Name |
Type |
Description |
hEntity |
HIG_VECT_ENTITY |
Geometry entity handle. |
lpColors |
unsigned char* |
Buffer for the local colors of the geometry. |
nStart |
long |
Index of the start color. |
nEnd |
long |
Index of the end color. |
Return Value:
Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
This function does not process image pixels.
Sample:
None
Remarks:
Using this function makes sense only if the argument bUseColors of IG_vect_geom_init() is set to VECT_TRUE.
The number of the color components is defined by nColorAlign argument of IG_vect_geom_init(). The color buffer must be long enough to receive (nEnd - nStart + 1) * nColorAlign bytes.