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/* HBToolbarBadgedItem.m
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License.
*/
#import "HBToolbarBadgedItem.h"
@interface HBToolbarBadgedItem ()
@property (nonatomic) NSImage *primary;
@property (nonatomic) NSImage *badged;
@end
@implementation HBToolbarBadgedItem
- (instancetype)initWithItemIdentifier:(NSString *)itemIdentifier
{
self = [super initWithItemIdentifier:itemIdentifier];
if (self)
{
_badgeFillColor = [NSColor redColor];
_badgeTextColor = [NSColor whiteColor];
}
return self;
}
- (void)awakeFromNib
{
if ([self respondsToSelector:@selector(awakeFromNib)])
{
[super awakeFromNib];
}
[self HB_refreshBadge];
}
#pragma mark - Public
- (void)setImage:(NSImage *)image
{
_primary = image;
[self HB_refreshBadge];
}
- (void)setBadgeValue:(NSString *)badgeValue
{
if (![_badgeValue isEqualToString:badgeValue])
{
_badgeValue = [badgeValue copy];
[self HB_refreshBadge];
}
}
- (void)setBadgeTextColor:(NSColor *)badgeTextColor
{
_badgeTextColor = [badgeTextColor copy];
[self HB_refreshBadge];
}
- (void)setBadgeFillColor:(NSColor *)badgeFillColor
{
_badgeFillColor = [badgeFillColor copy];
[self HB_refreshBadge];
}
#pragma mark -- Private Methods
- (void)HB_refreshBadge
{
if (_badgeValue.length && _primary)
{
__weak HBToolbarBadgedItem *weakSelf = self;
_badged = [NSImage imageWithSize:_primary.size flipped:NO drawingHandler:^BOOL(NSRect dstRect) {
HBToolbarBadgedItem *strongSelf = weakSelf;
if (strongSelf == nil)
{
return NO;
}
CGContextRef context = NSGraphicsContext.currentContext.CGContext;
CGContextSaveGState(context);
CGRect deviceRect = CGContextConvertRectToDeviceSpace(context, dstRect);
NSSize size = dstRect.size;
NSRect imageRect = NSMakeRect(0, 0, strongSelf->_primary.size.width, strongSelf->_primary.size.height);
CGImageRef ref = [strongSelf->_primary CGImageForProposedRect:&imageRect context:NSGraphicsContext.currentContext hints:nil];
CGContextDrawImage(context, imageRect, ref);
// Work out the area
CGFloat scaleFactor = deviceRect.size.width / strongSelf->_primary.size.width;
CGFloat typeSize = 10;
if (scaleFactor > 1)
{
typeSize = 8;
}
CGFloat pointSize = typeSize;
NSMutableParagraphStyle *paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
NSFont *font = [NSFont boldSystemFontOfSize:pointSize];
NSDictionary *attr = @{NSParagraphStyleAttributeName : paragraphStyle,
NSFontAttributeName : font,
NSForegroundColorAttributeName : strongSelf->_badgeTextColor };
NSRect textBounds = [strongSelf->_badgeValue boundingRectWithSize:NSZeroSize
options:0
attributes:attr];
NSPoint indent = NSMakePoint(typeSize, 2);
CGFloat radius = (textBounds.size.height + indent.y) * 0.5f;
CGFloat offset_x = 0;
CGFloat offset_y = 0;
NSRect badgeRect = NSMakeRect(size.width - textBounds.size.width - indent.x - offset_x, offset_y,
textBounds.size.width + indent.x, textBounds.size.height + indent.y);
badgeRect = NSIntegralRect(badgeRect);
// Draw the ellipse
CGFloat minx = CGRectGetMinX(badgeRect);
CGFloat midx = CGRectGetMidX(badgeRect);
CGFloat maxx = CGRectGetMaxX(badgeRect);
CGFloat miny = CGRectGetMinY(badgeRect);
CGFloat midy = CGRectGetMidY(badgeRect);
CGFloat maxy = CGRectGetMaxY(badgeRect);
// Fill the ellipse
CGContextBeginPath(context);
CGContextMoveToPoint(context, minx, midy);
CGContextAddArcToPoint(context, minx, miny, midx, miny, radius);
CGContextAddArcToPoint(context, maxx, miny, maxx, midy, radius);
CGContextAddArcToPoint(context, maxx, maxy, midx, maxy, radius);
CGContextAddArcToPoint(context, minx, maxy, minx, midy, radius);
CGContextClosePath(context);
CGColorRef fillColor = strongSelf->_badgeFillColor.CGColor;
CGContextSetFillColorWithColor(context,fillColor);
CGContextDrawPath(context, kCGPathFill);
// Draw the text
badgeRect.origin.x = CGRectGetMidX(badgeRect);
badgeRect.origin.x -= textBounds.origin.x / 2;
badgeRect.origin.x -= ((textBounds.size.width - textBounds.origin.x) * 0.5f);
badgeRect.origin.y = CGRectGetMidY(badgeRect);
badgeRect.origin.y -= textBounds.origin.y / 2;
badgeRect.origin.y -= ((textBounds.size.height - textBounds.origin.y) * 0.5f);
badgeRect.origin.x = floor(badgeRect.origin.x);
badgeRect.origin.y = floor(badgeRect.origin.y);
badgeRect.size.width = textBounds.size.width;
badgeRect.size.height = textBounds.size.height;
[strongSelf->_badgeValue drawInRect:badgeRect withAttributes:attr];
CGContextRestoreGState(context);
return YES;
}];
[super setImage:_badged];
}
else
{
[super setImage:_primary];
}
}
@end
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