{ CoreGraphics - CGDataConsumer.h * Copyright (c) 1999-2004 Apple Computer, Inc. * All rights reserved. } { Pascal Translation Updated: Peter N Lewis, , August 2005 } { Pascal Translation Updated: Gale R Paeper, , 2006 } { Pascal Translation Updated: Jonas Maebe, , October 2009 } { Pascal Translation Updated: Jonas Maebe, , October 2012 } { Modified for use with Free Pascal Version 308 Please report any bugs to } {$ifc not defined MACOSALLINCLUDE or not MACOSALLINCLUDE} {$mode macpas} {$packenum 1} {$macro on} {$inline on} {$calling mwpascal} unit CGDataConsumer; interface {$setc UNIVERSAL_INTERFACES_VERSION := $0400} {$setc GAP_INTERFACES_VERSION := $0308} {$ifc not defined USE_CFSTR_CONSTANT_MACROS} {$setc USE_CFSTR_CONSTANT_MACROS := TRUE} {$endc} {$ifc defined CPUPOWERPC and defined CPUI386} {$error Conflicting initial definitions for CPUPOWERPC and CPUI386} {$endc} {$ifc defined FPC_BIG_ENDIAN and defined FPC_LITTLE_ENDIAN} {$error Conflicting initial definitions for FPC_BIG_ENDIAN and FPC_LITTLE_ENDIAN} {$endc} {$ifc not defined __ppc__ and defined CPUPOWERPC32} {$setc __ppc__ := 1} {$elsec} {$setc __ppc__ := 0} {$endc} {$ifc not defined __ppc64__ and defined CPUPOWERPC64} {$setc __ppc64__ := 1} {$elsec} {$setc __ppc64__ := 0} {$endc} {$ifc not defined __i386__ and defined CPUI386} {$setc __i386__ := 1} {$elsec} {$setc __i386__ := 0} {$endc} {$ifc not defined __x86_64__ and defined CPUX86_64} {$setc __x86_64__ := 1} {$elsec} {$setc __x86_64__ := 0} {$endc} {$ifc not defined __arm__ and defined CPUARM} {$setc __arm__ := 1} {$elsec} {$setc __arm__ := 0} {$endc} {$ifc not defined __arm64__ and defined CPUAARCH64} {$setc __arm64__ := 1} {$elsec} {$setc __arm64__ := 0} {$endc} {$ifc defined cpu64} {$setc __LP64__ := 1} {$elsec} {$setc __LP64__ := 0} {$endc} {$ifc defined __ppc__ and __ppc__ and defined __i386__ and __i386__} {$error Conflicting definitions for __ppc__ and __i386__} {$endc} {$ifc defined __ppc__ and __ppc__} {$setc TARGET_CPU_PPC := TRUE} {$setc TARGET_CPU_PPC64 := FALSE} {$setc TARGET_CPU_X86 := FALSE} {$setc TARGET_CPU_X86_64 := FALSE} {$setc TARGET_CPU_ARM := FALSE} {$setc TARGET_CPU_ARM64 := FALSE} {$setc TARGET_OS_MAC := TRUE} {$setc TARGET_OS_IPHONE := FALSE} {$setc TARGET_IPHONE_SIMULATOR := FALSE} {$setc TARGET_OS_EMBEDDED := FALSE} {$elifc defined __ppc64__ and __ppc64__} {$setc TARGET_CPU_PPC := FALSE} {$setc TARGET_CPU_PPC64 := TRUE} {$setc TARGET_CPU_X86 := FALSE} {$setc TARGET_CPU_X86_64 := FALSE} {$setc TARGET_CPU_ARM := FALSE} {$setc TARGET_CPU_ARM64 := FALSE} {$setc TARGET_OS_MAC := TRUE} {$setc TARGET_OS_IPHONE := FALSE} {$setc TARGET_IPHONE_SIMULATOR := FALSE} {$setc TARGET_OS_EMBEDDED := FALSE} {$elifc defined __i386__ and __i386__} {$setc TARGET_CPU_PPC := FALSE} {$setc TARGET_CPU_PPC64 := FALSE} {$setc TARGET_CPU_X86 := TRUE} {$setc TARGET_CPU_X86_64 := FALSE} {$setc TARGET_CPU_ARM := FALSE} {$setc TARGET_CPU_ARM64 := FALSE} {$ifc defined(iphonesim)} {$setc TARGET_OS_MAC := FALSE} {$setc TARGET_OS_IPHONE := TRUE} {$setc TARGET_IPHONE_SIMULATOR := TRUE} {$elsec} {$setc TARGET_OS_MAC := TRUE} {$setc TARGET_OS_IPHONE := FALSE} {$setc TARGET_IPHONE_SIMULATOR := FALSE} {$endc} {$setc TARGET_OS_EMBEDDED := FALSE} {$elifc defined __x86_64__ and __x86_64__} {$setc TARGET_CPU_PPC := FALSE} {$setc TARGET_CPU_PPC64 := FALSE} {$setc TARGET_CPU_X86 := FALSE} {$setc TARGET_CPU_X86_64 := TRUE} {$setc TARGET_CPU_ARM := FALSE} {$setc TARGET_CPU_ARM64 := FALSE} {$ifc defined(iphonesim)} {$setc TARGET_OS_MAC := FALSE} {$setc TARGET_OS_IPHONE := TRUE} {$setc TARGET_IPHONE_SIMULATOR := TRUE} {$elsec} {$setc TARGET_OS_MAC := TRUE} {$setc TARGET_OS_IPHONE := FALSE} {$setc TARGET_IPHONE_SIMULATOR := FALSE} {$endc} {$setc TARGET_OS_EMBEDDED := FALSE} {$elifc defined __arm__ and __arm__} {$setc TARGET_CPU_PPC := FALSE} {$setc TARGET_CPU_PPC64 := FALSE} {$setc TARGET_CPU_X86 := FALSE} {$setc TARGET_CPU_X86_64 := FALSE} {$setc TARGET_CPU_ARM := TRUE} {$setc TARGET_CPU_ARM64 := FALSE} { will require compiler define when/if other Apple devices with ARM cpus ship } {$setc TARGET_OS_MAC := FALSE} {$setc TARGET_OS_IPHONE := TRUE} {$setc TARGET_IPHONE_SIMULATOR := FALSE} {$setc TARGET_OS_EMBEDDED := TRUE} {$elifc defined __arm64__ and __arm64__} {$setc TARGET_CPU_PPC := FALSE} {$setc TARGET_CPU_PPC64 := FALSE} {$setc TARGET_CPU_X86 := FALSE} {$setc TARGET_CPU_X86_64 := FALSE} {$setc TARGET_CPU_ARM := FALSE} {$setc TARGET_CPU_ARM64 := TRUE} { will require compiler define when/if other Apple devices with ARM cpus ship } {$setc TARGET_OS_MAC := FALSE} {$setc TARGET_OS_IPHONE := TRUE} {$setc TARGET_IPHONE_SIMULATOR := FALSE} {$setc TARGET_OS_EMBEDDED := TRUE} {$elsec} {$error __ppc__ nor __ppc64__ nor __i386__ nor __x86_64__ nor __arm__ nor __arm64__ is defined.} {$endc} {$ifc defined __LP64__ and __LP64__ } {$setc TARGET_CPU_64 := TRUE} {$elsec} {$setc TARGET_CPU_64 := FALSE} {$endc} {$ifc defined FPC_BIG_ENDIAN} {$setc TARGET_RT_BIG_ENDIAN := TRUE} {$setc TARGET_RT_LITTLE_ENDIAN := FALSE} {$elifc defined FPC_LITTLE_ENDIAN} {$setc TARGET_RT_BIG_ENDIAN := FALSE} {$setc TARGET_RT_LITTLE_ENDIAN := TRUE} {$elsec} {$error Neither FPC_BIG_ENDIAN nor FPC_LITTLE_ENDIAN are defined.} {$endc} {$setc ACCESSOR_CALLS_ARE_FUNCTIONS := TRUE} {$setc CALL_NOT_IN_CARBON := FALSE} {$setc OLDROUTINENAMES := FALSE} {$setc OPAQUE_TOOLBOX_STRUCTS := TRUE} {$setc OPAQUE_UPP_TYPES := TRUE} {$setc OTCARBONAPPLICATION := TRUE} {$setc OTKERNEL := FALSE} {$setc PM_USE_SESSION_APIS := TRUE} {$setc TARGET_API_MAC_CARBON := TRUE} {$setc TARGET_API_MAC_OS8 := FALSE} {$setc TARGET_API_MAC_OSX := TRUE} {$setc TARGET_CARBON := TRUE} {$setc TARGET_CPU_68K := FALSE} {$setc TARGET_CPU_MIPS := FALSE} {$setc TARGET_CPU_SPARC := FALSE} {$setc TARGET_OS_UNIX := FALSE} {$setc TARGET_OS_WIN32 := FALSE} {$setc TARGET_RT_MAC_68881 := FALSE} {$setc TARGET_RT_MAC_CFM := FALSE} {$setc TARGET_RT_MAC_MACHO := TRUE} {$setc TYPED_FUNCTION_POINTERS := TRUE} {$setc TYPE_BOOL := FALSE} {$setc TYPE_EXTENDED := FALSE} {$setc TYPE_LONGLONG := TRUE} uses MacTypes,CFBase,CFData,CGBase,CFURL; {$endc} {not MACOSALLINCLUDE} {$ALIGN POWER} type CGDataConsumerRef = ^OpaqueCGDataConsumerRef; { an opaque type } OpaqueCGDataConsumerRef = record end; { This callback is called to copy `count' bytes from `buffer' to the data consumer. } type CGDataConsumerPutBytesCallback = function( info: UnivPtr; buffer: {const} UnivPtr; count: size_t ): size_t; { This callback is called to release the `info' pointer when the data provider is freed. } type CGDataConsumerReleaseInfoCallback = procedure( info: UnivPtr ); { Callbacks for writing data. `putBytes' copies `count' bytes from `buffer' to the consumer, and returns the number of bytes copied. It should return 0 if no more data can be written to the consumer. `releaseConsumer', if non-NULL, is called when the consumer is freed. } type CGDataConsumerCallbacks = record putBytes: CGDataConsumerPutBytesCallback; releaseConsumer: CGDataConsumerReleaseInfoCallback; end; { Return the CFTypeID for CGDataConsumerRefs. } function CGDataConsumerGetTypeID: CFTypeID; external name '_CGDataConsumerGetTypeID'; (* CG_AVAILABLE_STARTING(__MAC_10_2, __IPHONE_2_0) *) { Create a data consumer using `callbacks' to handle the data. `info' is passed to each of the callback functions. } function CGDataConsumerCreate( info: UnivPtr; const (*var*) callbacks: CGDataConsumerCallbacks ): CGDataConsumerRef; external name '_CGDataConsumerCreate'; (* CG_AVAILABLE_STARTING(__MAC_10_0, __IPHONE_2_0) *) { Create a data consumer which writes data to `url'. } function CGDataConsumerCreateWithURL( url: CFURLRef ): CGDataConsumerRef; external name '_CGDataConsumerCreateWithURL'; (* CG_AVAILABLE_STARTING(__MAC_10_0, __IPHONE_2_0) *) { Create a data consumer which writes to `data'. } function CGDataConsumerCreateWithCFData( data: CFMutableDataRef ): CGDataConsumerRef; external name '_CGDataConsumerCreateWithCFData'; (* CG_AVAILABLE_STARTING(__MAC_10_4, __IPHONE_2_0) *) { Equivalent to `CFRetain(consumer)'. } function CGDataConsumerRetain( consumer: CGDataConsumerRef ): CGDataConsumerRef; external name '_CGDataConsumerRetain'; (* CG_AVAILABLE_STARTING(__MAC_10_0, __IPHONE_2_0) *) { Equivalent to `CFRelease(consumer)'. } procedure CGDataConsumerRelease( consumer: CGDataConsumerRef ); external name '_CGDataConsumerRelease'; (* CG_AVAILABLE_STARTING(__MAC_10_0, __IPHONE_2_0) *) {$ifc not defined MACOSALLINCLUDE or not MACOSALLINCLUDE} end. {$endc} {not MACOSALLINCLUDE}