transmission/macosx/NSImageAdditions.mm

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// This file Copyright © Transmission authors and contributors.
// It may be used under the MIT (SPDX: MIT) license.
// License text can be found in the licenses/ folder.
#import "CocoaCompatibility.h"
#import "NSImageAdditions.h"
#import "NSApplicationAdditions.h"
@implementation NSImage (NSImageAdditions)
static CGFloat const kIconSize = 16.0;
static CGFloat const kBorderWidth = 1.25;
+ (NSImage*)discIconWithColor:(NSColor*)color insetFactor:(CGFloat)insetFactor
{
return [NSImage imageWithSize:NSMakeSize(kIconSize, kIconSize) flipped:NO drawingHandler:^BOOL(NSRect rect) {
//shape
rect = NSInsetRect(rect, kBorderWidth / 2 + rect.size.width * insetFactor / 2, kBorderWidth / 2 + rect.size.height * insetFactor / 2);
NSBezierPath* bp = [NSBezierPath bezierPathWithOvalInRect:rect];
bp.lineWidth = kBorderWidth;
//border
CGFloat fractionOfBlendedColor = NSApp.darkMode ? 0.15 : 0.3;
NSColor* borderColor = [color blendedColorWithFraction:fractionOfBlendedColor ofColor:NSColor.controlTextColor];
[borderColor setStroke];
[bp stroke];
//inside
[color setFill];
[bp fill];
return YES;
}];
}
- (NSImage*)imageWithColor:(NSColor*)color
{
NSImage* coloredImage = [self copy];
[coloredImage lockFocus];
[color set];
NSSize const size = coloredImage.size;
NSRectFillUsingOperation(NSMakeRect(0.0, 0.0, size.width, size.height), NSCompositingOperationSourceAtop);
[coloredImage unlockFocus];
return coloredImage;
}
+ (NSImage*)systemSymbol:(NSString*)symbolName withFallback:(NSString*)fallbackName
{
if (@available(macOS 11.0, *))
{
return [NSImage imageWithSystemSymbolName:symbolName accessibilityDescription:nil];
}
return [NSImage imageNamed:fallbackName];
}
+ (NSImage*)largeSystemSymbol:(NSString*)symbolName withFallback:(NSString*)fallbackName
{
#ifdef __MAC_11_0
if (@available(macOS 11.0, *))
{
return [[NSImage imageWithSystemSymbolName:symbolName accessibilityDescription:nil]
imageWithSymbolConfiguration:[NSImageSymbolConfiguration configurationWithScale:NSImageSymbolScaleLarge]];
}
#endif
return [NSImage imageNamed:fallbackName];
}
@end