{ CoreGraphics - CGPDFPage.h
 * Copyright (c) 2001-2008 Apple Inc.
 * All rights reserved. }
{       Pascal Translation:  Peter N Lewis, <peter@stairways.com.au>, August 2005 }
{       Pascal Translation Updated:  Jonas Maebe, <jonas@freepascal.org>, October 2009 }
{
    Modified for use with Free Pascal
    Version 308
    Please report any bugs to <gpc@microbizz.nl>
}

{$ifc not defined MACOSALLINCLUDE or not MACOSALLINCLUDE}
{$mode macpas}
{$packenum 1}
{$macro on}
{$inline on}
{$calling mwpascal}

unit CGPDFPage;
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}

{$ifc defined cpu64}
  {$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}
	{$setc TARGET_OS_MAC := TRUE}
	{$setc TARGET_OS_IPHONE := FALSE}
	{$setc TARGET_IPHONE_SIMULATOR := FALSE}
{$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_OS_MAC := TRUE}
	{$setc TARGET_OS_IPHONE := FALSE}
	{$setc TARGET_IPHONE_SIMULATOR := 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}
{$ifc defined(iphonesim)}
 	{$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}
{$endc}
{$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_OS_MAC := TRUE}
	{$setc TARGET_OS_IPHONE := FALSE}
	{$setc TARGET_IPHONE_SIMULATOR := 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}
	{ will require compiler define when/if other Apple devices with ARM cpus ship }
	{$setc TARGET_OS_MAC := FALSE}
	{$setc TARGET_OS_IPHONE := TRUE}
	{$setc TARGET_IPHONE_SIMULATOR := FALSE}
{$elsec}
	{$error __ppc__ nor __ppc64__ nor __i386__ nor __x86_64__ nor __arm__ is defined.}
{$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}
{$setc TYPE_LONGLONG := TRUE}
uses MacTypes,CGAffineTransforms,CFBase,CGBase,CGPDFDocument,CGGeometry;
{$endc} {not MACOSALLINCLUDE}

{$ALIGN POWER}


// CGPDFPageRef defined in CGBase


type
	CGPDFBox = SInt32;
const
	kCGPDFMediaBox = 0;
	kCGPDFCropBox = 1;
	kCGPDFBleedBox = 2;
	kCGPDFTrimBox = 3;
	kCGPDFArtBox = 4;

{ Equivalent to `CFRetain(page)', except it doesn't crash (as CFRetain
   does) if `page' is NULL. }

function CGPDFPageRetain( page: CGPDFPageRef ): CGPDFPageRef; external name '_CGPDFPageRetain';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Equivalent to `CFRelease(page)', except it doesn't crash (as CFRelease
   does) if `page' is NULL. }

procedure CGPDFPageRelease( page: CGPDFPageRef ); external name '_CGPDFPageRelease';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return the document of `page'. }

function CGPDFPageGetDocument( page: CGPDFPageRef ): CGPDFDocumentRef; external name '_CGPDFPageGetDocument';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return the page number of `page'. }

function CGPDFPageGetPageNumber( page: CGPDFPageRef ): size_t; external name '_CGPDFPageGetPageNumber';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return the rectangle associated with `box' in `page'. This is the value
   of the corresponding entry (such as /MediaBox, /ArtBox, and so on) in the
   page's dictionary. }

function CGPDFPageGetBoxRect( page: CGPDFPageRef; box: CGPDFBox ): CGRect; external name '_CGPDFPageGetBoxRect';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return the rotation angle (in degrees) of `page'. This is the value of
   the /Rotate entry in the page's dictionary. }

function CGPDFPageGetRotationAngle( page: CGPDFPageRef ): SInt32; external name '_CGPDFPageGetRotationAngle';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return a transform mapping the box specified by `box' to `rect' as
   follows:
     - Compute the effective rect by intersecting the rect associated with
       `box' and the /MediaBox entry of the page.
     - Rotate the effective rect according to the page's /Rotate entry.
     - Center the resulting rect on `rect'. If `rotation' is non-zero, then
       the rect will rotated clockwise by `rotation' degrees. `rotation'
       must be a multiple of 90.
     - Scale the rect down, if necessary, so that it coincides with the
       edges of `rect'. If `preserveAspectRatio' is true, then the final
       rect will coincide with the edges of `rect' only in the more
       restrictive dimension. }

function CGPDFPageGetDrawingTransform( page: CGPDFPageRef; box: CGPDFBox; rect: CGRect; rotate: SInt32; preserveAspectRatio: CBool ): CGAffineTransform; external name '_CGPDFPageGetDrawingTransform';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return the dictionary of `page'. }

function CGPDFPageGetDictionary( page: CGPDFPageRef ): CGPDFDictionaryRef; external name '_CGPDFPageGetDictionary';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{ Return the CFTypeID for CGPDFPageRefs. }

function CGPDFPageGetTypeID: CFTypeID; external name '_CGPDFPageGetTypeID';
(* CG_AVAILABLE_STARTING(__MAC_10_3, __IPHONE_2_0) *)

{$ifc not defined MACOSALLINCLUDE or not MACOSALLINCLUDE}

end.
{$endc} {not MACOSALLINCLUDE}