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104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
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/************************************************************
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Created: Saturday, July 27, 1991 at 5:18 PM
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Picker.h
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C Interface to the Macintosh Libraries
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Copyright Apple Computer, Inc. 1987-1991
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All rights reserved
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This file is used in these builds: ROM System
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Change History (most recent first):
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<9> 7/31/91 JL Updated Copyright.
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<8> 7/23/91 JL Checked in File from database. Adjusted comments.
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<7> 6/14/91 JL Checked in official MPW 3.2ƒ version. Added and deleted some
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blank lines to match shipped version.
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<5> 11/28/90 JL Put formal parameter names back.
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<4> 11/7/90 JL Changed all #defines to anonymous enums
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<3> 11/4/90 dba got rid of some extraneous parameter names; used
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constStr255Parameter; improved definition of MaxSmallFract
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************************************************************/
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#ifndef __PICKER__
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#define __PICKER__
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#ifndef __QUICKDRAW__
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#include <Quickdraw.h>
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#endif
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enum {
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MaxSmallFract = 0x0000FFFF /*Maximum small fract value, as long*/
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};
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/* A SmallFract value is just the fractional part of a Fixed number,
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which is the low order word. SmallFracts are used to save room,
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and to be compatible with Quickdraw's RGBColor. They can be
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assigned directly to and from INTEGERs. */
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typedef unsigned short SmallFract; /* Unsigned fraction between 0 and 1 */
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/* For developmental simplicity in switching between the HLS and HSV
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models, HLS is reordered into HSL. Thus both models start with
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hue and saturation values; value/lightness/brightness is last. */
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struct HSVColor {
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SmallFract hue; /*Fraction of circle, red at 0*/
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SmallFract saturation; /*0-1, 0 for gray, 1 for pure color*/
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SmallFract value; /*0-1, 0 for black, 1 for max intensity*/
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};
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typedef struct HSVColor HSVColor;
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struct HSLColor {
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SmallFract hue; /*Fraction of circle, red at 0*/
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SmallFract saturation; /*0-1, 0 for gray, 1 for pure color*/
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SmallFract lightness; /*0-1, 0 for black, 1 for white*/
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};
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typedef struct HSLColor HSLColor;
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struct CMYColor {
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SmallFract cyan;
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SmallFract magenta;
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SmallFract yellow;
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};
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typedef struct CMYColor CMYColor;
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#ifdef __cplusplus
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extern "C" {
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#endif
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pascal SmallFract Fix2SmallFract(Fixed f)
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= {0x3F3C,0x0001,0xA82E};
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pascal Fixed SmallFract2Fix(SmallFract s)
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= {0x3F3C,0x0002,0xA82E};
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pascal void CMY2RGB(const CMYColor *cColor,RGBColor *rColor)
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= {0x3F3C,0x0003,0xA82E};
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pascal void RGB2CMY(const RGBColor *rColor,CMYColor *cColor)
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= {0x3F3C,0x0004,0xA82E};
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pascal void HSL2RGB(const HSLColor *hColor,RGBColor *rColor)
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= {0x3F3C,0x0005,0xA82E};
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pascal void RGB2HSL(const RGBColor *rColor,HSLColor *hColor)
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= {0x3F3C,0x0006,0xA82E};
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pascal void HSV2RGB(const HSVColor *hColor,RGBColor *rColor)
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= {0x3F3C,0x0007,0xA82E};
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pascal void RGB2HSV(const RGBColor *rColor,HSVColor *hColor)
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= {0x3F3C,0x0008,0xA82E};
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pascal Boolean GetColor(Point where,ConstStr255Param prompt,const RGBColor *inColor,
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RGBColor *outColor)
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= {0x3F3C,0x0009,0xA82E};
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#ifdef __cplusplus
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}
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#endif
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#endif
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