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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #import "ios/chrome/browser/ui/uikit_ui_util.h" | 5 #import "ios/chrome/browser/ui/uikit_ui_util.h" |
| 6 | 6 |
| 7 #import <Accelerate/Accelerate.h> | 7 #import <Accelerate/Accelerate.h> |
| 8 #import <Foundation/Foundation.h> | 8 #import <Foundation/Foundation.h> |
| 9 #import <QuartzCore/QuartzCore.h> | 9 #import <QuartzCore/QuartzCore.h> |
| 10 #import <UIKit/UIKit.h> | 10 #import <UIKit/UIKit.h> |
| 11 #include <cmath> | 11 #include <cmath> |
| 12 | 12 |
| 13 #include "base/ios/ios_util.h" | 13 #include "base/ios/ios_util.h" |
| 14 #include "base/logging.h" | 14 #include "base/logging.h" |
| 15 #include "base/mac/foundation_util.h" | 15 #include "base/mac/foundation_util.h" |
| 16 #include "ios/chrome/browser/ui/ui_util.h" | 16 #include "ios/chrome/browser/ui/ui_util.h" |
| 17 #include "ios/chrome/browser/ui/ui_util.h" | 17 #include "ios/chrome/browser/ui/ui_util.h" |
| 18 #include "ui/base/l10n/l10n_util.h" | 18 #include "ui/base/l10n/l10n_util.h" |
| 19 #include "ui/base/l10n/l10n_util_mac.h" | 19 #include "ui/base/l10n/l10n_util_mac.h" |
| 20 #include "ui/gfx/ios/uikit_util.h" |
| 20 #include "ui/gfx/scoped_cg_context_save_gstate_mac.h" | 21 #include "ui/gfx/scoped_cg_context_save_gstate_mac.h" |
| 21 #include "ui/ios/uikit_util.h" | |
| 22 | 22 |
| 23 namespace { | 23 namespace { |
| 24 | 24 |
| 25 // Linearly interpolate between |a| and |b| by fraction |f|. Satisfies | 25 // Linearly interpolate between |a| and |b| by fraction |f|. Satisfies |
| 26 // |Lerp(a,b,0) == a| and |Lerp(a,b,1) == b|. | 26 // |Lerp(a,b,0) == a| and |Lerp(a,b,1) == b|. |
| 27 CGFloat Lerp(CGFloat a, CGFloat b, CGFloat fraction) { | 27 CGFloat Lerp(CGFloat a, CGFloat b, CGFloat fraction) { |
| 28 return a * (1.0f - fraction) + b * fraction; | 28 return a * (1.0f - fraction) + b * fraction; |
| 29 } | 29 } |
| 30 | 30 |
| 31 // Gets the RGBA components from a UIColor in RBG or monochrome color space. | 31 // Gets the RGBA components from a UIColor in RBG or monochrome color space. |
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| 450 DCHECK_NE(subview1, subview2); | 450 DCHECK_NE(subview1, subview2); |
| 451 [parentView addConstraint:[NSLayoutConstraint | 451 [parentView addConstraint:[NSLayoutConstraint |
| 452 constraintWithItem:subview1 | 452 constraintWithItem:subview1 |
| 453 attribute:NSLayoutAttributeCenterY | 453 attribute:NSLayoutAttributeCenterY |
| 454 relatedBy:NSLayoutRelationEqual | 454 relatedBy:NSLayoutRelationEqual |
| 455 toItem:subview2 | 455 toItem:subview2 |
| 456 attribute:NSLayoutAttributeCenterY | 456 attribute:NSLayoutAttributeCenterY |
| 457 multiplier:1 | 457 multiplier:1 |
| 458 constant:0]]; | 458 constant:0]]; |
| 459 } | 459 } |
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