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Added UIColor from hex and Hex Color Picker support #33

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Added UIColor from hex and Hex Color Picker support #33

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9e7ad88
Added hex support
soniccat Mar 29, 2014
b686230
fix possible crashes
soniccat Mar 30, 2014
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2 changes: 2 additions & 0 deletions Classes/OMColorHelper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@ BOOL OMColorTypeIsNSColor(OMColorType colorType) { return colorType >= OMColorTy
NSRegularExpression *_whiteNSColorRegex;
NSRegularExpression *_whiteUIColorRegex;
NSRegularExpression *_constantColorRegex;
NSRegularExpression *_rgbHexUIColorRegex;
NSRegularExpression *_rgbHexAlphaUIColorRegex;
}

@property (nonatomic, strong) OMPlainColorWell *colorWell;
Expand Down
166 changes: 124 additions & 42 deletions Classes/OMColorHelper.m
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,15 @@
#define kOMColorHelperHighlightingDisabled @"OMColorHelperHighlightingDisabled"
#define kOMColorHelperInsertionMode @"OMColorHelperInsertionMode"

NS_ENUM(NSUInteger, OMColorHelperInsertionMode)
{
OMColorHelperInsertionUIColor = 0,
OMColorHelperInsertionNSColor = 1
};

//support for http://wafflesoftware.net/hexpicker/
const NSInteger OMColorPandelHexMode = 65535;

@implementation OMColorHelper

@synthesize colorWell=_colorWell, colorFrameView=_colorFrameView, textView=_textView, selectedColorRange=_selectedColorRange, selectedColorType=_selectedColorType;
Expand Down Expand Up @@ -55,6 +64,8 @@ - (id)init
_rgbaNSColorRegex = [NSRegularExpression regularExpressionWithPattern:@"\\[\\s*NSColor\\s+colorWith(Calibrated|Device)Red:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s+green:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s+blue:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s+alpha:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s*\\]" options:0 error:NULL];
_whiteNSColorRegex = [NSRegularExpression regularExpressionWithPattern:@"\\[\\s*NSColor\\s+colorWith(Calibrated|Device)White:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s+alpha:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s*\\]" options:0 error:NULL];
_constantColorRegex = [NSRegularExpression regularExpressionWithPattern:@"\\[\\s*(UI|NS)Color\\s+(black|darkGray|lightGray|white|gray|red|green|blue|cyan|yellow|magenta|orange|purple|brown|clear)Color\\s*\\]" options:0 error:NULL];
_rgbHexUIColorRegex = [NSRegularExpression regularExpressionWithPattern:@"\\[\\s*UIColor\\s+colorWithRGBHex:\\s*(0x[A-Fa-f0-9]{6})?\\s*\\]" options:0 error:NULL];
_rgbHexAlphaUIColorRegex = [NSRegularExpression regularExpressionWithPattern:@"\\[\\s*UIColor\\s+colorWithRGBHex:\\s*(0x[A-Fa-f0-9]{6})?\\s*+alpha:\\s*([0-9]*\\.?[0-9]*f?)\\s*(\\/\\s*[0-9]*\\.?[0-9]*f?)?\\s*\\]" options:0 error:NULL];
}
return self;
}
Expand Down Expand Up @@ -104,21 +115,21 @@ - (BOOL)validateMenuItem:(NSMenuItem *)menuItem
[menuItem setState:enabled ? NSOffState : NSOnState];
return YES;
} else if ([menuItem action] == @selector(selectNSColorInsertionMode:)) {
[menuItem setState:[[NSUserDefaults standardUserDefaults] integerForKey:kOMColorHelperInsertionMode] == 1 ? NSOnState : NSOffState];
[menuItem setState:[[NSUserDefaults standardUserDefaults] integerForKey:kOMColorHelperInsertionMode] == OMColorHelperInsertionNSColor ? NSOnState : NSOffState];
} else if ([menuItem action] == @selector(selectUIColorInsertionMode:)) {
[menuItem setState:[[NSUserDefaults standardUserDefaults] integerForKey:kOMColorHelperInsertionMode] == 0 ? NSOnState : NSOffState];
[menuItem setState:[[NSUserDefaults standardUserDefaults] integerForKey:kOMColorHelperInsertionMode] == OMColorHelperInsertionUIColor ? NSOnState : NSOffState];
}
return YES;
}

- (void)selectNSColorInsertionMode:(id)sender
{
[[NSUserDefaults standardUserDefaults] setInteger:1 forKey:kOMColorHelperInsertionMode];
[[NSUserDefaults standardUserDefaults] setInteger:OMColorHelperInsertionNSColor forKey:kOMColorHelperInsertionMode];
}

- (void)selectUIColorInsertionMode:(id)sender
{
[[NSUserDefaults standardUserDefaults] setInteger:0 forKey:kOMColorHelperInsertionMode];
[[NSUserDefaults standardUserDefaults] setInteger:OMColorHelperInsertionUIColor forKey:kOMColorHelperInsertionMode];
}

- (void)toggleColorHighlightingEnabled:(id)sender
Expand Down Expand Up @@ -175,7 +186,7 @@ - (void)insertColor:(id)sender
}
[self.textView.undoManager beginUndoGrouping];
NSInteger insertionMode = [[NSUserDefaults standardUserDefaults] integerForKey:kOMColorHelperInsertionMode];
if (insertionMode == 0) {
if (insertionMode == OMColorHelperInsertionUIColor) {
[self.textView insertText:@"[UIColor colorWithRed:1.0 green:0.0 blue:0.0 alpha:1.0]" replacementRange:self.textView.selectedRange];
} else {
[self.textView insertText:@"[NSColor colorWithCalibratedRed:1.0 green:0.0 blue:0.0 alpha:1.0]" replacementRange:self.textView.selectedRange];
Expand Down Expand Up @@ -424,6 +435,50 @@ - (NSColor *)colorInText:(NSString *)text selectedRange:(NSRange)selectedRange t
}
}];
}

if (!foundColor) {
[_rgbHexUIColorRegex enumerateMatchesInString:text options:0 range:NSMakeRange(0, text.length) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) {
NSRange colorRange = [result range];

if ([result rangeAtIndex:1].location != NSNotFound)
if (selectedRange.location >= colorRange.location && NSMaxRange(selectedRange) <= NSMaxRange(colorRange)) {
NSString *hexString = [text substringWithRange:[result rangeAtIndex:1]];

CGFloat b = 0;
CGFloat g = 0;
CGFloat r = 0;
[self hexString:hexString toRed:&r green:&g blue:&b];

foundColorType = OMColorTypeUIRGBA;
foundColor = [NSColor colorWithCalibratedRed:r green:g blue:b alpha:1.0f];
foundColorRange = colorRange;
*stop = YES;
}
}];
}

if (!foundColor) {
[_rgbHexAlphaUIColorRegex enumerateMatchesInString:text options:0 range:NSMakeRange(0, text.length) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) {
NSRange colorRange = [result range];

if ([result rangeAtIndex:1].location != NSNotFound && [result rangeAtIndex:2].location != NSNotFound)
if (selectedRange.location >= colorRange.location && NSMaxRange(selectedRange) <= NSMaxRange(colorRange)) {
NSString *hexString = [text substringWithRange:[result rangeAtIndex:1]];

CGFloat r = 0;
CGFloat g = 0;
CGFloat b = 0;
[self hexString:hexString toRed:&r green:&g blue:&b];

NSString *floatString = [text substringWithRange:[result rangeAtIndex:2]];

foundColorType = OMColorTypeUIRGBA;
foundColor = [NSColor colorWithCalibratedRed:r green:g blue:b alpha:[floatString floatValue]];
foundColorRange = colorRange;
*stop = YES;
}
}];
}

if (foundColor) {
if (matchedRange != NULL) {
Expand All @@ -438,6 +493,17 @@ - (NSColor *)colorInText:(NSString *)text selectedRange:(NSRange)selectedRange t
return nil;
}

- (void)hexString:(NSString *)hexString toRed:(CGFloat *)r green:(CGFloat *)g blue:(CGFloat *)b
{
NSScanner *scanner = [[NSScanner alloc] initWithString:hexString];
unsigned value = 0;
[scanner scanHexInt:&value];

*b = (value & 0xFF) / 255.0f;
*g = (value >> 8 & 0xFF) / 255.0f;
*r = (value >> 16 & 0xFF) / 255.0f;
}

- (double)dividedValue:(double)value withDivisorRange:(NSRange)divisorRange inString:(NSString *)text
{
if (divisorRange.location != NSNotFound) {
Expand All @@ -455,44 +521,60 @@ - (NSString *)colorStringForColor:(NSColor *)color withType:(OMColorType)colorTy
CGFloat red = -1.0; CGFloat green = -1.0; CGFloat blue = -1.0; CGFloat alpha = -1.0;
color = [color colorUsingColorSpace:[NSColorSpace genericRGBColorSpace]];
[color getRed:&red green:&green blue:&blue alpha:&alpha];


BOOL showAsHex = [NSColorPanel sharedColorPanel].mode == OMColorPandelHexMode;

if (red >= 0) {
for (NSString *colorName in _constantColorsByName) {
NSColor *constantColor = [_constantColorsByName objectForKey:colorName];
if ([constantColor isEqual:color]) {
if (OMColorTypeIsNSColor(colorType)) {
colorString = [NSString stringWithFormat:@"[NSColor %@Color]", colorName];
} else {
colorString = [NSString stringWithFormat:@"[UIColor %@Color]", colorName];
}
break;
}
}
if (!colorString) {
if (fabs(red - green) < 0.001 && fabs(green - blue) < 0.001) {
if (colorType == OMColorTypeUIRGBA || colorType == OMColorTypeUIWhite || colorType == OMColorTypeUIConstant) {
colorString = [NSString stringWithFormat:@"[UIColor colorWithWhite:%.3f alpha:%.3f]", red, alpha];
} else if (colorType == OMColorTypeUIRGBAInit || colorType == OMColorTypeUIWhiteInit) {
colorString = [NSString stringWithFormat:@"[[UIColor alloc] initWithWhite:%.3f alpha:%.3f]", red, alpha];
}
else if (colorType == OMColorTypeNSConstant || colorType == OMColorTypeNSRGBACalibrated || colorType == OMColorTypeNSWhiteCalibrated) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithCalibratedWhite:%.3f alpha:%.3f]", red, alpha];
} else if (colorType == OMColorTypeNSRGBADevice || colorType == OMColorTypeNSWhiteDevice) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithDeviceWhite:%.3f alpha:%.3f]", red, alpha];
}
} else {
if (colorType == OMColorTypeUIRGBA || colorType == OMColorTypeUIWhite || colorType == OMColorTypeUIConstant) {
colorString = [NSString stringWithFormat:@"[UIColor colorWithRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];
} else if (colorType == OMColorTypeUIRGBAInit || colorType == OMColorTypeUIWhiteInit) {
colorString = [NSString stringWithFormat:@"[[UIColor alloc] initWithRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];
}
else if (colorType == OMColorTypeNSConstant || colorType == OMColorTypeNSRGBACalibrated || colorType == OMColorTypeNSWhiteCalibrated) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithCalibratedRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];
} else if (colorType == OMColorTypeNSRGBADevice || colorType == OMColorTypeNSWhiteDevice) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithDeviceRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];
}
}
}
if (!showAsHex) {
for (NSString *colorName in _constantColorsByName) {
NSColor *constantColor = [_constantColorsByName objectForKey:colorName];
if ([constantColor isEqual:color]) {
if (OMColorTypeIsNSColor(colorType)) {
colorString = [NSString stringWithFormat:@"[NSColor %@Color]", colorName];
} else {
colorString = [NSString stringWithFormat:@"[UIColor %@Color]", colorName];
}
break;
}
}

if (!colorString) {
if (fabs(red - green) < 0.001 && fabs(green - blue) < 0.001) {
if (colorType == OMColorTypeUIRGBA || colorType == OMColorTypeUIWhite || colorType == OMColorTypeUIConstant) {
colorString = [NSString stringWithFormat:@"[UIColor colorWithWhite:%.3f alpha:%.3f]", red, alpha];

} else if (colorType == OMColorTypeUIRGBAInit || colorType == OMColorTypeUIWhiteInit) {
colorString = [NSString stringWithFormat:@"[[UIColor alloc] initWithWhite:%.3f alpha:%.3f]", red, alpha];

} else if (colorType == OMColorTypeNSConstant || colorType == OMColorTypeNSRGBACalibrated || colorType == OMColorTypeNSWhiteCalibrated) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithCalibratedWhite:%.3f alpha:%.3f]", red, alpha];

} else if (colorType == OMColorTypeNSRGBADevice || colorType == OMColorTypeNSWhiteDevice) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithDeviceWhite:%.3f alpha:%.3f]", red, alpha];
}

} else {
if (colorType == OMColorTypeUIRGBA || colorType == OMColorTypeUIWhite || colorType == OMColorTypeUIConstant) {
colorString = [NSString stringWithFormat:@"[UIColor colorWithRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];

} else if (colorType == OMColorTypeUIRGBAInit || colorType == OMColorTypeUIWhiteInit) {
colorString = [NSString stringWithFormat:@"[[UIColor alloc] initWithRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];

} else if (colorType == OMColorTypeNSConstant || colorType == OMColorTypeNSRGBACalibrated || colorType == OMColorTypeNSWhiteCalibrated) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithCalibratedRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];

} else if (colorType == OMColorTypeNSRGBADevice || colorType == OMColorTypeNSWhiteDevice) {
colorString = [NSString stringWithFormat:@"[NSColor colorWithDeviceRed:%.3f green:%.3f blue:%.3f alpha:%.3f]", red, green, blue, alpha];
}
}
}
} else {
if (alpha == 1.0f) {
colorString = [NSString stringWithFormat:@"[UIColor colorWithRGBHex:0x%02X%02X%02X]", (unsigned int)(red*255),(unsigned int)(green*255),(unsigned int)(blue*255)];
} else {
colorString = [NSString stringWithFormat:@"[UIColor colorWithRGBHex:0x%02X%02X%02X alpha:%.3f]", (unsigned int)(red*255),(unsigned int)(green*255),(unsigned int)(blue*255),alpha];
}
}
}
return colorString;
}
Expand Down