gf_display_set_external_chroma()

Set the external chroma for a display

Synopsis:

#include <gf/gf.h>

int gf_display_set_external_chroma( gf_display_t display,
                                    gf_chroma_t *chroma );

Arguments:

display

The handle for the display to set the external chroma for. This handle is returned by gf_display_attach().

chroma

A pointer to a gf_chroma_t that describes the chroma operation parameters.

Library:

gf

Description:

This function specifies the external chroma setting for a display. This is typically used for mixing an external video source to the display.

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This API is only supported by the devg-lanbic driver.

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Returns:

GF_ERR_OK

Success.

GF_ERR_NOSUPPORT

External chroma is not supported on the specified display.

GF_ERR_IODISPLAY

Error communicating with io-display. Check to ensure that io-display is running. The sloginfo utility may provide more information.

Classification:

QNX Graphics Framework

See also:

gf_display_attach(), gf_display_detach()