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@@ -1,249 +0,0 @@
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-{
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- * CGDisplayFade.h
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- * CoreGraphics
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- *
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- * API to fade displays to and from a solid color, without resorting
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- * to playing with the gamma table APIs and losing ColorSync calibration.
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- *
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- * These APIs should be used in perference to manipulating the gamma tables
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- * for purposes of performing fade effects.
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- *
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- * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
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- *
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- }
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-{ Pascal Translation: Peter N Lewis, <[email protected]>, August 2005 }
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-{
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- Modified for use with Free Pascal
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- Version 200
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- Please report any bugs to <[email protected]>
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-}
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-
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-{$mode macpas}
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-{$packenum 1}
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-{$macro on}
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-{$inline on}
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-{$CALLING MWPASCAL}
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-
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-unit CGDisplayFade;
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-interface
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-{$setc UNIVERSAL_INTERFACES_VERSION := $0342}
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-{$setc GAP_INTERFACES_VERSION := $0200}
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-
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-{$ifc not defined USE_CFSTR_CONSTANT_MACROS}
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- {$setc USE_CFSTR_CONSTANT_MACROS := TRUE}
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-{$endc}
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-
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-{$ifc defined CPUPOWERPC and defined CPUI386}
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- {$error Conflicting initial definitions for CPUPOWERPC and CPUI386}
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-{$endc}
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-{$ifc defined FPC_BIG_ENDIAN and defined FPC_LITTLE_ENDIAN}
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- {$error Conflicting initial definitions for FPC_BIG_ENDIAN and FPC_LITTLE_ENDIAN}
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-{$endc}
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-
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-{$ifc not defined __ppc__ and defined CPUPOWERPC}
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- {$setc __ppc__ := 1}
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-{$elsec}
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- {$setc __ppc__ := 0}
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-{$endc}
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-{$ifc not defined __i386__ and defined CPUI386}
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- {$setc __i386__ := 1}
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-{$elsec}
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- {$setc __i386__ := 0}
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-{$endc}
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-
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-{$ifc defined __ppc__ and __ppc__ and defined __i386__ and __i386__}
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- {$error Conflicting definitions for __ppc__ and __i386__}
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-{$endc}
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-
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-{$ifc defined __ppc__ and __ppc__}
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- {$setc TARGET_CPU_PPC := TRUE}
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- {$setc TARGET_CPU_X86 := FALSE}
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-{$elifc defined __i386__ and __i386__}
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- {$setc TARGET_CPU_PPC := FALSE}
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- {$setc TARGET_CPU_X86 := TRUE}
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-{$elsec}
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- {$error Neither __ppc__ nor __i386__ is defined.}
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-{$endc}
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-{$setc TARGET_CPU_PPC_64 := FALSE}
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-
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-{$ifc defined FPC_BIG_ENDIAN}
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- {$setc TARGET_RT_BIG_ENDIAN := TRUE}
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- {$setc TARGET_RT_LITTLE_ENDIAN := FALSE}
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-{$elifc defined FPC_LITTLE_ENDIAN}
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- {$setc TARGET_RT_BIG_ENDIAN := FALSE}
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- {$setc TARGET_RT_LITTLE_ENDIAN := TRUE}
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-{$elsec}
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- {$error Neither FPC_BIG_ENDIAN nor FPC_LITTLE_ENDIAN are defined.}
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-{$endc}
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-{$setc ACCESSOR_CALLS_ARE_FUNCTIONS := TRUE}
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-{$setc CALL_NOT_IN_CARBON := FALSE}
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-{$setc OLDROUTINENAMES := FALSE}
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-{$setc OPAQUE_TOOLBOX_STRUCTS := TRUE}
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-{$setc OPAQUE_UPP_TYPES := TRUE}
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-{$setc OTCARBONAPPLICATION := TRUE}
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-{$setc OTKERNEL := FALSE}
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-{$setc PM_USE_SESSION_APIS := TRUE}
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-{$setc TARGET_API_MAC_CARBON := TRUE}
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-{$setc TARGET_API_MAC_OS8 := FALSE}
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-{$setc TARGET_API_MAC_OSX := TRUE}
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-{$setc TARGET_CARBON := TRUE}
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-{$setc TARGET_CPU_68K := FALSE}
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-{$setc TARGET_CPU_MIPS := FALSE}
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-{$setc TARGET_CPU_SPARC := FALSE}
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-{$setc TARGET_OS_MAC := TRUE}
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-{$setc TARGET_OS_UNIX := FALSE}
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-{$setc TARGET_OS_WIN32 := FALSE}
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-{$setc TARGET_RT_MAC_68881 := FALSE}
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-{$setc TARGET_RT_MAC_CFM := FALSE}
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-{$setc TARGET_RT_MAC_MACHO := TRUE}
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-{$setc TYPED_FUNCTION_POINTERS := TRUE}
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-{$setc TYPE_BOOL := FALSE}
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-{$setc TYPE_EXTENDED := FALSE}
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-{$setc TYPE_LONGLONG := TRUE}
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-uses MacTypes,CGBase,CGErrors,CGDirectDisplay,CGDisplayConfiguration;
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-{$ALIGN POWER}
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-
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-
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-type
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- CGDisplayFadeReservationToken = UInt32;
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-const
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- kCGDisplayFadeReservationInvalidToken = 0;
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-
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-type
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- CGDisplayBlendFraction = Float32;
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-{
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- * Values for the limits of the fade.
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- * kCGDisplayBlendNormal represents a normal display state
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- * kCGDisplayBlendSolidColor represents a display blended to a solid color
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- }
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-const
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- kCGDisplayBlendNormal = 0.0;
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-const
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- kCGDisplayBlendSolidColor = 1.0;
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-
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-{
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- * Time in seconds to perform a fade operation.
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- }
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-type
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- CGDisplayFadeInterval = Float32;
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-
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-{
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- *
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- * Most fade operations done by apps and games are done around display
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- * configuration changes. This API adds control over a built-in fade
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- * effect when performing display configuration changes.
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- *
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- * The default fade effect on a display mode change uses a fade-out of
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- * 0.3 seconds and a fade-in of 0.5 seconds. Color fades to French Blue
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- * for a normal desktop, and black when displays are captured.
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- *
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- * CGConfigureDisplayFadeEffect sets the display fade time and color
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- * for a display reconfigure operation.
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- * Call after CGBeginDisplayConfiguration() and before
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- * calling CGCompleteDisplayConfiguration().
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- *
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- * When CGCompleteDisplayConfiguration() is called, a fade-out effect will be
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- * done prior to the display reconfiguration. When the display reconfiguration
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- * is complete, control returns to the calling program, while a fade-in effect
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- * runs asynchronously.
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- }
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-function CGConfigureDisplayFadeEffect( configRef: CGDisplayConfigRef; fadeOutSeconds: CGDisplayFadeInterval; fadeInSeconds: CGDisplayFadeInterval; fadeRed: Float32; fadeGreen: Float32; fadeBlue: Float32 ): CGError; external name '_CGConfigureDisplayFadeEffect';
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-
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-{
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- * It may also be desirable to perform fade operations at other times, as when
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- * transitioning between game play and cinematic sequences. The following API
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- * provides a mechanism for controlling display fade operations outside of display
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- * mode reconfigurations.
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- }
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-type
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- CGDisplayReservationInterval = Float32;
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-const
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- kCGMaxDisplayReservationInterval = 15.0;
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-{
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- * Before performing fade operation, the caller must reserve the hardware
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- * for the expected period of time that the program will be doing fades
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- *
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- * A reservation token is returned that must be passed in on subsequent calls.
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- *
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- * Failing to release the hardware by the end of the reservation interval will
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- * result in the reservation token becomingn invalid, and the hardware being
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- * unfaded back to a normal state. The reservation interval is limited (clipped)
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- * to 15 seconds maximum, and should be greater than zero.
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- *
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- * Returns kCGErrorNoneAvailable if another reservation is in effect,
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- * and kCGErrorSuccess on success.
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- }
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-function CGAcquireDisplayFadeReservation( seconds: CGDisplayReservationInterval; var pNewToken: CGDisplayFadeReservationToken ): CGError; external name '_CGAcquireDisplayFadeReservation';
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-
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-{
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- * Releases a display fade reservation, and unfades the display if needed
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- * The reservation token myToken is no longer valid after this operation.
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- *
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- * CGReleaseDisplayFadeReservation may be safely called while an async fade
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- * operation is running, and if the ending blend value is kCGDisplayBlendNormal,
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- * will not disturb the running operation. The reservation is dropped when the
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- * fade opertion completes.
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- *
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- * Returns kCGErrorIllegalArgument if myToken is not the valid reservation token,
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- * and kCGErrorSuccess on success.
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- }
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-function CGReleaseDisplayFadeReservation( myToken: CGDisplayFadeReservationToken ): CGError; external name '_CGReleaseDisplayFadeReservation';
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-
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-{
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- * The actual fade mechanism:
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- *
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- * The function takes the current reservation token,
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- * a time interval to perform the fade operation in seconds,
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- * a starting and ending blend coefficient, an RGB color in device space,
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- * and a boolean to indicate that the operation should be done synchronously.
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- *
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- * Over the fade operation time interval, the system will interpolate a
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- * blending coefficient between the starting and ending values given,
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- * applying a nonlinear (sine-based) bias term, and will blend the video output
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- * with the specified color based on the resulting value.
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- *
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- * If the time interval is specifed as 0.0, then the ending state blend value is
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- * applied at once and the function returns.
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- *
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- * The maximum allowable time interval is 15 seconds.
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- *
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- * If the parameter 'synchronous' is true, the function does not return
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- * til the fade operation is complete. If false, the function returns at once,
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- * and the fade operation runs asynchronously.
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- *
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- * CGReleaseDisplayFadeReservation may be safely called while an async fade
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- * operation is running, and if the ending blend value is kCGDisplayBlendNormal,
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- * will not disturb the running operation. The reservation is dropped when the
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- * fade opertion completes.
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- *
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- * Invalid parameters result in a return value of kCGErrorIllegalArgument.
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- * Trying to start a fade operation while an asynchronous fade operation is running
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- * results in a return value of kCGErrorNoneAvailable.
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- *
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- * To perform a 2 second fade to black, waiting til complete:
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- *
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- * CGDisplayFade(myToken,
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- * 2.0, // 2 seconds
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- * kCGDisplayBlendNormal, // Starting state
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- * kCGDisplayBlendSolidColor, // Ending state
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- * 0.0, 0.0, 0.0, // black
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- * true); // Wait for completion
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- *
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- * To perform a 2 second fade from black to normal, without waiting for completion:
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- *
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- * CGDisplayFade(myToken,
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- * 2.0, // 2 seconds
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- * kCGDisplayBlendSolidColor, // Starting state
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- * kCGDisplayBlendNormal, // Ending state
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- * 0.0, 0.0, 0.0, // black
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- * false); // Don't wait for completion
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- }
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-function CGDisplayFade( myToken: CGDisplayFadeReservationToken; seconds: CGDisplayFadeInterval; startBlend: CGDisplayBlendFraction; endBlend: CGDisplayBlendFraction; redBlend: Float32; greenBlend: Float32; blueBlend: Float32; synchronous: boolean_t ): CGError; external name '_CGDisplayFade';
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-
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-{
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- * Returns true if a fade operation is currently in progress.
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- }
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-function CGDisplayFadeOperationInProgress: boolean_t; external name '_CGDisplayFadeOperationInProgress';
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-
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-
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-end.
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