/*
** Saturation.fred
**
** $VER: Saturation.fred 1.1.0 (5.11.93)
**
** This program can be run from an InvokeADPro list to run the current
** frame through the Saturation operator.
**
** Clips Imported:
**	FREDSaturationType	-	Type of saturation.
**	FREDSaturationAmt	-	Amount of saturation.
**
** NOTE: Clip names are case sensitive.
**
** This script requires FRED v1.4.0 (or higher) to run.  Also required is
** ADPro v2.5.0 (or higher).
**
** Copyright © 1993 Elastic Reality, Inc.
** All Rights Reserved
*/


ADDRESS "ADPro"
OPTIONS RESULTS

PARSE ARG FrameNum FrameFName Length LoadFlag FirstCallSeq FirstCallCell

NL = '0A'X
SQ = '27'X
DQ = '22'X
TRUE  = 1
FALSE = 0


/*
** Get the required clips.  Error if any are missing.
*/

SaturationType = GETCLIP( "FREDSaturationType" )
IF (SaturationType = "") THEN DO
	ADPRO_TO_FRONT
	OKAY1 "Required clip, FREDSaturationType," || NL ||,
		"is not specified."
	SCREEN_TO_FRONT "FRED"
	EXIT 10
END

SaturationAmt = GETCLIP( "FREDSaturationAmt" )
IF (SaturationAmt = "") THEN DO
	ADPRO_TO_FRONT
	OKAY1 "Required clip, FREDSaturationAmt," || NL ||,
		"is not specified."
	SCREEN_TO_FRONT "FRED"
	EXIT 10
END


/*
** See what type of data is loaded in ADPro/MorphPlus.
*/

CALL "FREDSCRIPTS:FREDFunctions/CheckForRawImageData" TRUE
IF (RESULT ~= 0) THEN
	EXIT 10

CALL "FREDSCRIPTS:FREDFunctions/CheckForColorImageData" TRUE
IF (RESULT ~= 0) THEN
	EXIT 10


/*
** Perform the Saturation operation.
*/

OPERATOR "SATURATION" SaturationType (SaturationAmt)
IF (RC ~= 0) THEN DO
	Why = ADPRO_RESULT
	ADPRO_TO_FRONT
	OKAY1 "The operator, Saturation," || NL ||,
		"failed to execute." || NL ||,
		Why || NL ||,
		"Arguments:" || NL ||,
		"Type: " || SaturationType || NL ||,
		"Amount: " || (SaturationAmt)
	SCREEN_TO_FRONT "FRED"
	EXIT 10
END

EXIT 0