зеркало из https://github.com/github/Rebel.git
Added NSColor extensions to convert to and from CGColor
This commit is contained in:
Justin Spahr-Summers
Родитель
759407a78f
Коммит
77e70975b7
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@ -12,6 +12,8 @@
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D0723FC615C5FB68004DBDC7 /* NSColor+RBLAdditions.h in Headers */ = {isa = PBXBuildFile; fileRef = D0723FC415C5FB68004DBDC7 /* NSColor+RBLAdditions.h */; settings = {ATTRIBUTES = (Public, ); }; };
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D0723FC715C5FB68004DBDC7 /* NSColor+RBLAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = D0723FC515C5FB68004DBDC7 /* NSColor+RBLAdditions.m */; settings = {COMPILER_FLAGS = "-fno-objc-arc"; }; };
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D09AE4E315C5F45200ECAD10 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D09AE4E215C5F45200ECAD10 /* Cocoa.framework */; };
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D09AE4ED15C5F45200ECAD10 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = D09AE4EB15C5F45200ECAD10 /* InfoPlist.strings */; };
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D09AE4F915C5F45300ECAD10 /* SenTestingKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D09AE4F815C5F45300ECAD10 /* SenTestingKit.framework */; };
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@ -122,6 +124,8 @@
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D0723FBE15C5F9D8004DBDC7 /* RBLView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RBLView.h; sourceTree = "<group>"; };
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D0723FBF15C5F9D8004DBDC7 /* RBLView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RBLView.m; sourceTree = "<group>"; };
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D0723FC415C5FB68004DBDC7 /* NSColor+RBLAdditions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSColor+RBLAdditions.h"; sourceTree = "<group>"; };
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D0723FC515C5FB68004DBDC7 /* NSColor+RBLAdditions.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSColor+RBLAdditions.m"; sourceTree = "<group>"; };
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D09AE4E215C5F45200ECAD10 /* Cocoa.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Cocoa.framework; path = System/Library/Frameworks/Cocoa.framework; sourceTree = SDKROOT; };
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D09AE4E515C5F45200ECAD10 /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = System/Library/Frameworks/AppKit.framework; sourceTree = SDKROOT; };
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@ -255,6 +259,15 @@
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name = Classes;
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sourceTree = "<group>";
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};
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D0723FC315C5FB54004DBDC7 /* Extensions */ = {
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isa = PBXGroup;
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children = (
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D0723FC415C5FB68004DBDC7 /* NSColor+RBLAdditions.h */,
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D0723FC515C5FB68004DBDC7 /* NSColor+RBLAdditions.m */,
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);
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name = Extensions;
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sourceTree = "<group>";
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};
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D09AE4D315C5F45200ECAD10 = {
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isa = PBXGroup;
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children = (
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@ -302,6 +315,7 @@
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children = (
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D09AE4EF15C5F45200ECAD10 /* Rebel.h */,
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D0723FBD15C5F9CD004DBDC7 /* Classes */,
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D0723FC315C5FB54004DBDC7 /* Extensions */,
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D09AE4E915C5F45200ECAD10 /* Supporting Files */,
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);
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path = Rebel;
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@ -345,6 +359,7 @@
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files = (
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D0723FC215C5FA13004DBDC7 /* Rebel.h in Headers */,
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D0723FC015C5F9D8004DBDC7 /* RBLView.h in Headers */,
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D0723FC615C5FB68004DBDC7 /* NSColor+RBLAdditions.h in Headers */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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@ -527,6 +542,7 @@
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buildActionMask = 2147483647;
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files = (
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D0723FC115C5F9D8004DBDC7 /* RBLView.m in Sources */,
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D0723FC715C5FB68004DBDC7 /* NSColor+RBLAdditions.m in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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@ -0,0 +1,30 @@
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//
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// NSColor+RBLAdditions.h
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// Rebel
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//
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// Created by Justin Spahr-Summers on 01.12.11.
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// Copyright (c) 2012 GitHub. All rights reserved.
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//
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// Portions copyright (c) 2011 Bitswift. All rights reserved.
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// See the LICENSE file for more information.
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//
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#import <AppKit/AppKit.h>
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/*
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* Extensions to NSColor for interoperability with CGColor.
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*/
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@interface NSColor (RBLAdditions)
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/*
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* The CGColor corresponding to the receiver.
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*/
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@property (nonatomic, readonly) CGColorRef rbl_CGColor;
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/*
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* Returns an NSColor corresponding to the given CGColor.
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*
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* This currently does not handle pattern colors.
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*/
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+ (NSColor *)rbl_colorWithCGColor:(CGColorRef)color;
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@end
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@ -0,0 +1,91 @@
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//
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// NSColor+RBLAdditions.m
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// Rebel
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//
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// Created by Justin Spahr-Summers on 01.12.11.
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// Copyright (c) 2012 GitHub. All rights reserved.
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//
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// Portions copyright (c) 2011 Bitswift. All rights reserved.
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// See the LICENSE file for more information.
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//
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#import "NSColor+RBLAdditions.h"
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static void drawCGImagePattern (void *info, CGContextRef context) {
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CGImageRef image = info;
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size_t width = CGImageGetWidth(image);
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size_t height = CGImageGetHeight(image);
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CGContextDrawImage(context, CGRectMake(0, 0, width, height), image);
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}
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static void releasePatternInfo (void *info) {
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CFRelease(info);
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}
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@implementation NSColor (RBLAdditions)
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+ (NSColor *)rbl_colorWithCGColor:(CGColorRef)color {
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if (color == nil) {
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return nil;
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}
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CGColorSpaceRef colorSpaceRef = CGColorGetColorSpace(color);
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NSColorSpace *colorSpace = [[NSColorSpace alloc] initWithCGColorSpace:colorSpaceRef];
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NSColor *result = [self colorWithColorSpace:colorSpace components:CGColorGetComponents(color) count:(size_t)CGColorGetNumberOfComponents(color)];
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[colorSpace release];
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return result;
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}
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- (CGColorRef)rbl_CGColor {
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if ([self.colorSpaceName isEqualToString:NSPatternColorSpace]) {
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CGImageRef patternImage = [self.patternImage CGImageForProposedRect:NULL context:nil hints:nil];
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if (patternImage == NULL) {
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return NULL;
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}
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size_t width = CGImageGetWidth(patternImage);
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size_t height = CGImageGetHeight(patternImage);
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CGRect patternBounds = CGRectMake(0, 0, width, height);
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CGPatternRef pattern = CGPatternCreate(
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// Released in releasePatternInfo().
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(void *)CFRetain(patternImage),
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patternBounds,
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CGAffineTransformIdentity,
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width,
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height,
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kCGPatternTilingConstantSpacingMinimalDistortion,
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YES,
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&(CGPatternCallbacks){
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.version = 0,
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.drawPattern = &drawCGImagePattern,
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.releaseInfo = &releasePatternInfo
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}
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);
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CGColorSpaceRef colorSpaceRef = CGColorSpaceCreatePattern(NULL);
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CGColorRef result = CGColorCreateWithPattern(colorSpaceRef, pattern, (CGFloat[]){ 1.0 });
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CGColorSpaceRelease(colorSpaceRef);
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CGPatternRelease(pattern);
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return (CGColorRef)[(id)result autorelease];
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}
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NSColorSpace *colorSpace = [NSColorSpace genericRGBColorSpace];
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NSColor *color = [self colorUsingColorSpace:colorSpace];
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CGFloat components[color.numberOfComponents];
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[color getComponents:components];
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CGColorSpaceRef colorSpaceRef = colorSpace.CGColorSpace;
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CGColorRef result = CGColorCreate(colorSpaceRef, components);
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return (CGColorRef)[(id)result autorelease];
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}
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@end
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@ -6,4 +6,5 @@
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// Copyright (c) 2012 GitHub. All rights reserved.
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//
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#import <Rebel/NSColor+RBLAdditions.h>
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#import <Rebel/RBLView.h>
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