capPaletteManual

The capPaletteManual macro requests that the capture driver manually sample video frames and create a new palette. You can use this macro or explicitly call the WM_CAP_PAL_MANUALCREATE message.

BOOL capPaletteManual(

hwnd,
fGrab,
iColors
);

Parameters

hwnd

Handle of a capture window.

fGrab

Palette histogram flag. Set this parameter to TRUE for each frame included in creating the optimal palette. After the last frame has been collected, set this parameter to FALSE to calculate the optimal palette and send it to the capture driver.

iColors

Number of colors in the palette. The maximum value for this parameter is 256. This value is used only during collection of the first frame in a sequence.

Return Values

Returns TRUE if successful or FALSE otherwise.

If an error occurs and an error callback function is set using the capSetCallbackOnError macro, the error callback function is called.

See Also

capSetCallbackOnError, WM_CAP_PAL_MANUALCREATE

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