debian man page for lqr_carver_set_alpha_channel

Query: lqr_carver_set_alpha_channel

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

LQR_CARVER_SET_ALPHA_CHANNE(3)				     LqR library API reference				    LQR_CARVER_SET_ALPHA_CHANNE(3)

NAME
lqr_carver_set_alpha_channel - sets the alpha channel index in a LqrCarver object
SYNOPSIS
#include <lqr.h> LqrRetVal lqr_carver_set_alpha_channel(LqrCarver * carver, gint channel_index);
DESCRIPTION
The function lqr_carver_set_alpha_channel sets the alpha channel index of the image stored in the LqrCarver pointed to by carver to channel_index (between 0 and channels - 1, where channels is the number of colour channels of the carver). Use a negative value for cahnnel_index to specify that no alpha channel is present. If the specified channel coincides with the current value of the black channel, the black channel is unset. Calling this function sets the image time of the carver to LQR_CUSTOM_IMAGE.
RETURN VALUE
The return value follows the Liquid Rescale library signalling system.
SEE ALSO
LqrImageType(3), lqr_carver_new(3), lqr_carver_set_image_type(3), lqr_carver_set_black_channel(3), lqr_carver_get_image_type(3), lqr_carver_get_channels(3)
COPYRIGHT
Copyright (C) 2007-2009 Carlo Baldassi LqR library 0.4.1 API (3:1:3) 10 Maj 2009 LQR_CARVER_SET_ALPHA_CHANNE(3)
Related Man Pages
lqr_carver_get_channels(3) - debian
lqr_carver_get_bpp(3) - debian
lqr_carver_get_image_type(3) - debian
lqr_carver_rigmask_add_rgb_area(3) - debian
lqr_carver_set_black_channel(3) - debian
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