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#import "OFColor.h"
#import "OFOnce.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
@interface OFColor ()
+ (instancetype)of_alloc;
@interface OFConcreteColor: OFColor
{
float _red, _green, _blue, _alpha;
OF_RESERVE_IVARS(OFColor, 4)
}
@end
@interface OFColorSingleton: OFColor
@interface OFColorSingleton: OFConcreteColor
@end
@interface OFColorPlaceholder: OFColorSingleton
@end
#ifdef OF_OBJFW_RUNTIME
@interface OFTaggedPointerColor: OFColorSingleton
@end
static const float allowedImprecision = 0.0000001;
#endif
static struct {
Class isa;
} placeholder;
#ifdef OF_OBJFW_RUNTIME
static int colorTag;
#endif
@implementation OFColorSingleton
- (instancetype)autorelease
{
return self;
}
- (instancetype)retain
{
return self;
}
- (void)release
{
}
- (unsigned int)retainCount
{
return OFMaxRetainCount;
}
@end
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(uintptr_t)blueInt);
if (ret != nil)
return ret;
}
#endif
return (id)[[OFColor of_alloc] initWithRed: red
green: green
blue: blue
alpha: alpha];
return (id)[[OFConcreteColor alloc] initWithRed: red
green: green
blue: blue
alpha: alpha];
}
@end
@implementation OFColorSingleton
- (instancetype)autorelease
{
return self;
}
- (instancetype)retain
{
return self;
}
- (void)release
{
}
- (unsigned int)retainCount
{
return OFMaxRetainCount;
}
@end
@implementation OFConcreteColor
- (instancetype)initWithRed: (float)red
green: (float)green
blue: (float)blue
alpha: (float)alpha
{
self = [super init];
@try {
if (red < 0.0 || red > 1.0 ||
green < 0.0 || green > 1.0 ||
blue < 0.0 || blue > 1.0 ||
alpha < 0.0 || alpha > 1.0)
@throw [OFInvalidArgumentException exception];
_red = red;
_green = green;
_blue = blue;
_alpha = alpha;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)getRed: (float *)red
green: (float *)green
blue: (float *)blue
alpha: (float *)alpha
{
*red = _red;
*green = _green;
*blue = _blue;
if (alpha != NULL)
*alpha = _alpha;
}
@end
#ifdef OF_OBJFW_RUNTIME
@implementation OFTaggedPointerColor
- (void)getRed: (float *)red
green: (float *)green
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object_setClass((id)&placeholder, [OFColorPlaceholder class]);
#ifdef OF_OBJFW_RUNTIME
colorTag =
objc_registerTaggedPointerClass([OFTaggedPointerColor class]);
#endif
}
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{
return [super alloc];
}
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}
- (instancetype)initWithRed: (float)red
green: (float)green
blue: (float)blue
alpha: (float)alpha
{
self = [super init];
@try {
if (red < 0.0 || red > 1.0 ||
green < 0.0 || green > 1.0 ||
blue < 0.0 || blue > 1.0 ||
alpha < 0.0 || alpha > 1.0)
@throw [OFInvalidArgumentException exception];
_red = red;
_green = green;
_blue = blue;
_alpha = alpha;
} @catch (id e) {
[self release];
@throw e;
}
return self;
return [super init];
}
- (bool)isEqual: (id)object
{
OFColor *other;
float red, green, blue, alpha;
float otherRed, otherGreen, otherBlue, otherAlpha;
if (object == self)
return true;
if (![object isKindOfClass: [OFColor class]])
return false;
other = object;
[self getRed: &red green: &green blue: &blue alpha: &alpha];
[other getRed: &otherRed
green: &otherGreen
blue: &otherBlue
alpha: &otherAlpha];
if (other->_red != _red)
if (otherRed != red)
return false;
if (other->_green != _green)
if (otherGreen != green)
return false;
if (other->_blue != _blue)
if (otherBlue != blue)
return false;
if (other->_alpha != _alpha)
if (otherAlpha != alpha)
return false;
return true;
}
- (unsigned long)hash
{
float red, green, blue, alpha;
unsigned long hash;
float tmp;
[self getRed: &red green: &green blue: &blue alpha: &alpha];
OFHashInit(&hash);
tmp = OFToLittleEndianFloat(_red);
tmp = OFToLittleEndianFloat(red);
for (uint_fast8_t i = 0; i < sizeof(float); i++)
OFHashAddByte(&hash, ((char *)&tmp)[i]);
tmp = OFToLittleEndianFloat(green);
for (uint_fast8_t i = 0; i < sizeof(float); i++)
OFHashAddByte(&hash, ((char *)&tmp)[i]);
tmp = OFToLittleEndianFloat(_green);
tmp = OFToLittleEndianFloat(blue);
for (uint_fast8_t i = 0; i < sizeof(float); i++)
OFHashAddByte(&hash, ((char *)&tmp)[i]);
tmp = OFToLittleEndianFloat(_blue);
tmp = OFToLittleEndianFloat(alpha);
for (uint_fast8_t i = 0; i < sizeof(float); i++)
OFHashAddByte(&hash, ((char *)&tmp)[i]);
tmp = OFToLittleEndianFloat(_alpha);
*red = _red;
*green = _green;
*blue = _blue;
if (alpha != NULL)
*alpha = _alpha;
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