References ▼
enum{RGB8 = 1035,RGB24,REDCHANNEL,GREENCHANNEL,BLUECHANNEL,ALLCHANNELS};
| Enumeration | Description |
|---|---|
| RGB8 | Sets the type to RGB8. |
| RGB24 | Sets the type to RGB24 |
| REDCHANNEL | Use only the Red channel. |
| GREENCHANNEL | Use only the Green channel. |
| BLUECHANNEL | Use only the Blue channel. |
| ALLCHANNELS | Use the Master channel. |
| Type | Name | Description |
|---|---|---|
| VARIANT_BOOL | RGBMode | TRUE to use RGB data, and FALSE for BGR. |
| long | HistogramType | Describes the histogram type: which channel will have its histogram displayed. |
| VARIANT_BOOL | DefaultRGBMode | Default RGB mode. |
| long | DefaultHistogramType | Default histogram type. |
| void | GetHistogramArray( long HistogramArray, long lFrameCount) | Retrieves the histogram for a frame. The HistogramArray parameter should be a 255 element array of the type long. You will pass the address of the first element in the array to the function. The lFrameCount is filled with a value indicating the frame the histogram refers to. |
Retrieves the histogram for a frame.
The address of the first element in a 255 elements array of type long.
Pointer to a long variable that will be updated with a value indicating the frame the histogram refers to.
| Return | Description |
|---|---|
| S_OK | Successful. |
| < 0 | An error occurred. |
| E_POINTER | HistogramArray or lFrameCount are NULL. |
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