mirror of
https://github.com/TextureGroup/Texture.git
synced 2026-04-07 19:17:39 +00:00
Ballad
8231599d43
* fix backing size for image node which content mode is scaleAspectFit * chore: update comments and naming * add change log * Update CHANGELOG.md * Update CHANGELOG.md Co-Authored-By: junjielu <348649634@qq.com> * add unit test for backing size calculation * correct license
81 lines
3.1 KiB
Plaintext
81 lines
3.1 KiB
Plaintext
//
|
|
// ASImageNodeBackingSizeTests.mm
|
|
// Texture
|
|
//
|
|
// Copyright (c) Pinterest, Inc. All rights reserved.
|
|
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
#import <XCTest/XCTest.h>
|
|
#import <AsyncDisplayKit/ASImageNode+CGExtras.h>
|
|
|
|
static CGSize _FitSizeWithAspectRatio(CGFloat imageRatio, CGSize backingSize);
|
|
static CGSize _FillSizeWithAspectRatio(CGFloat imageRatio, CGSize backingSize);
|
|
|
|
static CGSize _FitSizeWithAspectRatio(CGFloat imageRatio, CGSize backingSize)
|
|
{
|
|
CGFloat backingRatio = backingSize.width / backingSize.height;
|
|
// fit size should be constrained in backing size
|
|
if (imageRatio > backingRatio) {
|
|
return CGSizeMake(backingSize.width, backingSize.width / imageRatio);
|
|
} else {
|
|
return CGSizeMake(backingSize.height * imageRatio, backingSize.height);
|
|
}
|
|
}
|
|
|
|
static CGSize _FillSizeWithAspectRatio(CGFloat imageRatio, CGSize backingSize)
|
|
{
|
|
CGFloat backingRatio = backingSize.width / backingSize.height;
|
|
// backing size should be constrained in fill size
|
|
if (imageRatio > backingRatio) {
|
|
return CGSizeMake(backingSize.height * imageRatio, backingSize.height);
|
|
} else {
|
|
return CGSizeMake(backingSize.width, backingSize.width / imageRatio);
|
|
}
|
|
}
|
|
|
|
@interface ASImageNodeBackingSizeTests : XCTestCase
|
|
|
|
@end
|
|
|
|
@implementation ASImageNodeBackingSizeTests
|
|
|
|
- (void)setUp {
|
|
// Put setup code here. This method is called before the invocation of each test method in the class.
|
|
}
|
|
|
|
- (void)tearDown {
|
|
// Put teardown code here. This method is called after the invocation of each test method in the class.
|
|
}
|
|
|
|
// ScaleAspectFit mode calculation.
|
|
- (void)testScaleAspectFitModeBackingSizeCalculation {
|
|
CGSize imageSize = CGSizeMake(100, 100);
|
|
CGSize boundsSize = CGSizeMake(200, 400);
|
|
|
|
CGSize backingSize = CGSizeZero;
|
|
CGRect imageDrawRect = CGRectZero;
|
|
|
|
ASCroppedImageBackingSizeAndDrawRectInBounds(imageSize, boundsSize, UIViewContentModeScaleAspectFit, CGRectZero, false, CGSizeZero, &backingSize, &imageDrawRect);
|
|
CGSize backingSizeShouldBe = _FillSizeWithAspectRatio(boundsSize.width / boundsSize.height, imageSize);
|
|
CGSize drawRectSizeShouldBe = _FitSizeWithAspectRatio(imageSize.width / imageSize.height, backingSizeShouldBe);
|
|
XCTAssertTrue(CGSizeEqualToSize(backingSizeShouldBe, backingSize));
|
|
XCTAssertTrue(CGSizeEqualToSize(drawRectSizeShouldBe, imageDrawRect.size));
|
|
}
|
|
|
|
// ScaleAspectFill mode calculation.
|
|
- (void)testScaleAspectFillModeBackingSizeCalculation {
|
|
CGSize imageSize = CGSizeMake(100, 100);
|
|
CGSize boundsSize = CGSizeMake(200, 400);
|
|
|
|
CGSize backingSize = CGSizeZero;
|
|
CGRect imageDrawRect = CGRectZero;
|
|
|
|
ASCroppedImageBackingSizeAndDrawRectInBounds(imageSize, boundsSize, UIViewContentModeScaleAspectFill, CGRectZero, false, CGSizeZero, &backingSize, &imageDrawRect);
|
|
CGSize backingSizeShouldBe = _FitSizeWithAspectRatio(boundsSize.width / boundsSize.height, imageSize);
|
|
CGSize drawRectSizeShouldBe = _FillSizeWithAspectRatio(imageSize.width / imageSize.height, backingSizeShouldBe);
|
|
XCTAssertTrue(CGSizeEqualToSize(backingSizeShouldBe, backingSize));
|
|
XCTAssertTrue(CGSizeEqualToSize(drawRectSizeShouldBe, imageDrawRect.size));
|
|
}
|
|
|
|
@end
|