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{
* CGDirectPalette.h
* CoreGraphics
*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
}
{ Pascal Translation Updated: Peter N Lewis, <peter@stairways.com.au>, August 2005 }
{
Modified for use with Free Pascal
Version 200
Please report any bugs to <gpc@microbizz.nl>
}
{$mode macpas}
{$packenum 1}
{$macro on}
{$inline on}
{$CALLING MWPASCAL}
unit CGDirectPalette;
interface
{$setc UNIVERSAL_INTERFACES_VERSION := $0342}
{$setc GAP_INTERFACES_VERSION := $0200}
{$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}
{$ifc not defined __ppc__ and defined CPUPOWERPC}
{$setc __ppc__ := 1}
{$elsec}
{$setc __ppc__ := 0}
{$endc}
{$ifc not defined __i386__ and defined CPUI386}
{$setc __i386__ := 1}
{$elsec}
{$setc __i386__ := 0}
{$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_X86 := FALSE}
{$elifc defined __i386__ and __i386__}
{$setc TARGET_CPU_PPC := FALSE}
{$setc TARGET_CPU_X86 := TRUE}
{$elsec}
{$error Neither __ppc__ nor __i386__ is defined.}
{$endc}
{$setc TARGET_CPU_PPC_64 := FALSE}
{$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_MAC := TRUE}
{$setc TARGET_OS_UNIX := FALSE}
{$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}
{$setc TYPE_LONGLONG := TRUE}
uses MacTypes,CGDirectDisplay;
{$ALIGN POWER}
type
CGPaletteBlendFraction = Float32; { A value between 0.0 and 1.0 }
{
* Convenient device color representation
*
* Values should be in the range from 0.0 to 1.0, where 0.0 is black, and 1.0
* is full on for each channel.
}
type
CGDeviceColorPtr = ^CGDeviceColor;
CGDeviceColor = record
red: Float32;
green: Float32;
blue: Float32;
end;
CGDeviceByteColorPtr = ^CGDeviceByteColor;
CGDeviceByteColor = record
red: SInt8;
green: SInt8;
blue: SInt8;
end;
{
* Create a new palette object representing the default 8 bit color palette.
* Release the palette using CGPaletteRelease().
}
function CGPaletteCreateDefaultColorPalette: CGDirectPaletteRef; external name '_CGPaletteCreateDefaultColorPalette';
{
* Create a copy of the display's current palette, if any.
* Returns NULL if the current display mode does not support a palette.
* Release the palette using CGPaletteRelease().
}
function CGPaletteCreateWithDisplay( display: CGDirectDisplayID ): CGDirectPaletteRef; external name '_CGPaletteCreateWithDisplay';
{
* Create a new palette with a capacity as specified. Entries are initialized from
* the default color palette. Release the palette using CGPaletteRelease().
}
function CGPaletteCreateWithCapacity( capacity: CGTableCount ): CGDirectPaletteRef; external name '_CGPaletteCreateWithCapacity';
{
* Create a new palette with a capacity and contents as specified.
* Release the palette using CGPaletteRelease().
}
function CGPaletteCreateWithSamples( var sampleTable: CGDeviceColor; sampleCount: CGTableCount ): CGDirectPaletteRef; external name '_CGPaletteCreateWithSamples';
{
* Convenience function:
* Create a new palette with a capacity and contents as specified.
* Release the palette using CGPaletteRelease().
}
function CGPaletteCreateWithByteSamples( var sampleTable: CGDeviceByteColor; sampleCount: CGTableCount ): CGDirectPaletteRef; external name '_CGPaletteCreateWithByteSamples';
{
* Release a palette
}
procedure CGPaletteRelease( palette: CGDirectPaletteRef ); external name '_CGPaletteRelease';
{
* Get the color value at the specified index
}
function CGPaletteGetColorAtIndex( palette: CGDirectPaletteRef; index: CGTableCount ): CGDeviceColor; external name '_CGPaletteGetColorAtIndex';
{
* Get the index for the specified color value
* The index returned is for a palette color with the
* lowest RMS error to the specified color.
}
function CGPaletteGetIndexForColor( palette: CGDirectPaletteRef; color: CGDeviceColor ): CGTableCount; external name '_CGPaletteGetIndexForColor';
{
* Get the number of samples in the palette
}
function CGPaletteGetNumberOfSamples( palette: CGDirectPaletteRef ): CGTableCount; external name '_CGPaletteGetNumberOfSamples';
{
* Set the color value at the specified index
}
procedure CGPaletteSetColorAtIndex( palette: CGDirectPaletteRef; color: CGDeviceColor; index: CGTableCount ); external name '_CGPaletteSetColorAtIndex';
{
* Copy a palette
}
function CGPaletteCreateCopy( palette: CGDirectPaletteRef ): CGDirectPaletteRef; external name '_CGPaletteCreateCopy';
{
* Compare two palettes
}
function CGPaletteIsEqualToPalette( palette1: CGDirectPaletteRef; palette2: CGDirectPaletteRef ): Boolean; external name '_CGPaletteIsEqualToPalette';
{
* Create a new palette blended with a fraction of a device color.
* Free the resulting palette with CGPaletteRelease()
}
function CGPaletteCreateFromPaletteBlendedWithColor( palette: CGDirectPaletteRef; fraction: CGPaletteBlendFraction; color: CGDeviceColor ): CGDirectPaletteRef; external name '_CGPaletteCreateFromPaletteBlendedWithColor';
end.
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