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308 lines
6.7 KiB
308 lines
6.7 KiB
5 years ago
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/*
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File: CGDirectPalette.h
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Contains: CoreGraphics direct palette
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 2000-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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#ifndef CGDIRECTPALETTE_H_
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#define CGDIRECTPALETTE_H_
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#ifndef __CGDIRECTDISPLAY__
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#include <CGDirectDisplay.h>
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#endif
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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typedef float CGPaletteBlendFraction;
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/*
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* Convenient device color representation
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*
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* Values should be in the range from 0.0 to 1.0, where 0.0 is black, and 1.0
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* is full on for each channel.
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*/
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struct CGDeviceColor {
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float red;
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float green;
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float blue;
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};
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typedef struct CGDeviceColor CGDeviceColor;
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struct CGDeviceByteColor {
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CGByteValue red;
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CGByteValue green;
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CGByteValue blue;
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};
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typedef struct CGDeviceByteColor CGDeviceByteColor;
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/*
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* Create a new palette object representing the default 8 bit color palette.
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* Release the palette using CGPaletteRelease().
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*/
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/*
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* CGPaletteCreateDefaultColorPalette()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateDefaultColorPalette(void);
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/*
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* Create a copy of the display's current palette, if any.
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* Returns NULL if the current display mode does not support a palette.
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* Release the palette using CGPaletteRelease().
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*/
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/*
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* CGPaletteCreateWithDisplay()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateWithDisplay(CGDirectDisplayID display);
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/*
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* Create a new palette with a capacity as specified. Entries are initialized from
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* the default color palette. Release the palette using CGPaletteRelease().
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*/
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/*
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* CGPaletteCreateWithCapacity()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateWithCapacity(CGTableCount capacity);
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/*
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* Create a new palette with a capacity and contents as specified.
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* Release the palette using CGPaletteRelease().
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*/
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/*
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* CGPaletteCreateWithSamples()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateWithSamples(
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CGDeviceColor * sampleTable,
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CGTableCount sampleCount);
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/*
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* Convenience function:
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* Create a new palette with a capacity and contents as specified.
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* Release the palette using CGPaletteRelease().
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*/
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/*
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* CGPaletteCreateWithByteSamples()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateWithByteSamples(
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CGDeviceByteColor * sampleTable,
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CGTableCount sampleCount);
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/*
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* Release a palette
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*/
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/*
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* CGPaletteRelease()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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CGPaletteRelease(CGDirectPaletteRef palette);
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/*
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* Get the color value at the specified index
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*/
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/*
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* CGPaletteGetColorAtIndex()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDeviceColor )
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CGPaletteGetColorAtIndex(
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CGDirectPaletteRef palette,
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CGTableCount index);
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/*
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* Get the index for the specified color value
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* The index returned is for a palette color with the
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* lowest RMS error to the specified color.
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*/
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/*
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* CGPaletteGetIndexForColor()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGTableCount )
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CGPaletteGetIndexForColor(
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CGDirectPaletteRef palette,
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CGDeviceColor color);
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/*
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* Get the number of samples in the palette
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*/
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/*
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* CGPaletteGetNumberOfSamples()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGTableCount )
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CGPaletteGetNumberOfSamples(CGDirectPaletteRef palette);
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/*
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* Set the color value at the specified index
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*/
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/*
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* CGPaletteSetColorAtIndex()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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CGPaletteSetColorAtIndex(
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CGDirectPaletteRef palette,
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CGDeviceColor color,
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CGTableCount index);
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/*
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* Copy a palette
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*/
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/*
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* CGPaletteCreateCopy()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateCopy(CGDirectPaletteRef palette);
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/*
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* Compare two palettes
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*/
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/*
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* CGPaletteIsEqualToPalette()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( Boolean )
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CGPaletteIsEqualToPalette(
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CGDirectPaletteRef palette1,
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CGDirectPaletteRef palette2);
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/*
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* Create a new palette blended with a fraction of a device color.
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* Free the resulting palette with CGPaletteRelease()
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*/
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/*
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* CGPaletteCreateFromPaletteBlendedWithColor()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGDirectPaletteRef )
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CGPaletteCreateFromPaletteBlendedWithColor(
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CGDirectPaletteRef palette,
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CGPaletteBlendFraction fraction,
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CGDeviceColor color);
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* CGDIRECTPALETTE_H_ */
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