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Add test case for CGImage create decoded with EXIF orientation

This commit is contained in:
DreamPiggy 2019-04-25 16:10:39 +08:00
parent 4dce559d44
commit 9c6c4927fb
3 changed files with 56 additions and 3 deletions
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6
Tests/SDWebImage Tests.xcodeproj/project.pbxproj
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@ -14,6 +14,8 @@
3226ECBC20754F7700FAFACF /* SDWebImageTestDownloadOperation.m in Sources */ = {isa = PBXBuildFile; fileRef = 3226ECBA20754F7700FAFACF /* SDWebImageTestDownloadOperation.m */; };
323B8E1F20862322008952BE /* SDWebImageTestLoader.m in Sources */ = {isa = PBXBuildFile; fileRef = 323B8E1E20862322008952BE /* SDWebImageTestLoader.m */; };
323B8E2020862322008952BE /* SDWebImageTestLoader.m in Sources */ = {isa = PBXBuildFile; fileRef = 323B8E1E20862322008952BE /* SDWebImageTestLoader.m */; };
324047442271956F007C53E1 /* TestEXIF.png in Resources */ = {isa = PBXBuildFile; fileRef = 324047432271956F007C53E1 /* TestEXIF.png */; };
324047452271956F007C53E1 /* TestEXIF.png in Resources */ = {isa = PBXBuildFile; fileRef = 324047432271956F007C53E1 /* TestEXIF.png */; };
3254C32020641077008D1022 /* SDImageTransformerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3254C31F20641077008D1022 /* SDImageTransformerTests.m */; };
3254C32120641077008D1022 /* SDImageTransformerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3254C31F20641077008D1022 /* SDImageTransformerTests.m */; };
3264FF2F205D42CB00F6BD48 /* SDWebImageTestTransformer.m in Sources */ = {isa = PBXBuildFile; fileRef = 3264FF2E205D42CB00F6BD48 /* SDWebImageTestTransformer.m */; };
@ -79,6 +81,7 @@
3226ECBA20754F7700FAFACF /* SDWebImageTestDownloadOperation.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDWebImageTestDownloadOperation.m; sourceTree = "<group>"; };
323B8E1D20862322008952BE /* SDWebImageTestLoader.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SDWebImageTestLoader.h; sourceTree = "<group>"; };
323B8E1E20862322008952BE /* SDWebImageTestLoader.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDWebImageTestLoader.m; sourceTree = "<group>"; };
324047432271956F007C53E1 /* TestEXIF.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = TestEXIF.png; sourceTree = "<group>"; };
3254C31F20641077008D1022 /* SDImageTransformerTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDImageTransformerTests.m; sourceTree = "<group>"; };
3264FF2D205D42CB00F6BD48 /* SDWebImageTestTransformer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SDWebImageTestTransformer.h; sourceTree = "<group>"; };
3264FF2E205D42CB00F6BD48 /* SDWebImageTestTransformer.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SDWebImageTestTransformer.m; sourceTree = "<group>"; };
@ -170,6 +173,7 @@
isa = PBXGroup;
children = (
433BBBBA1D7EFA8B0086B6E9 /* MonochromeTestImage.jpg */,
324047432271956F007C53E1 /* TestEXIF.png */,
433BBBB61D7EF8200086B6E9 /* TestImage.gif */,
5F7F38AC1AE2A77A00B0E330 /* TestImage.jpg */,
43828A441DA67F9900000E62 /* TestImageLarge.jpg */,
@ -352,6 +356,7 @@
327054E3206CEFF3006EA328 /* TestImageAnimated.apng in Resources */,
32B99EA3203B31360017FD66 /* TestImage.gif in Resources */,
328BAF2C2240C08E00FC70DD /* Test-Release.xcconfig in Resources */,
324047452271956F007C53E1 /* TestEXIF.png in Resources */,
328BAF2E2240C08E00FC70DD /* Test-Debug.xcconfig in Resources */,
32B99EA4203B31360017FD66 /* TestImage.jpg in Resources */,
32B99EA6203B31360017FD66 /* TestImage.png in Resources */,
@ -379,6 +384,7 @@
433BBBB91D7EF8260086B6E9 /* TestImage.png in Resources */,
327054E2206CEFF3006EA328 /* TestImageAnimated.apng in Resources */,
433BBBBB1D7EFA8B0086B6E9 /* MonochromeTestImage.jpg in Resources */,
324047442271956F007C53E1 /* TestEXIF.png in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
};

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Tests/Tests/Images/TestEXIF.png Normal file
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53
Tests/Tests/SDImageTransformerTests.m
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@ -208,18 +208,65 @@
expect(SDTransformedKeyForKey(key, transformerKey)).equal(@"ftp://root:password@foo.com/image-SDImageFlippingTransformer(1,0).png");
}
- (void)test20CGImageCreateDecodedWithOrientation {
// Test EXIF orientation tag, you can open this image with `Preview.app`, open inspector (Command+I) and rotate (Command+L/R) to check
UIImage *image = [[UIImage alloc] initWithContentsOfFile:[self testPNGPathForName:@"TestEXIF"]];
CGImageRef originalCGImage = image.CGImage;
expect(image).notTo.beNil();
CGImageRef upCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationUp];
UIImage *upImage = [[UIImage alloc] initWithCGImage:upCGImage];
expect([[upImage sd_colorAtPoint:CGPointMake(60, 160)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(upCGImage);
CGImageRef upMirroredCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationUpMirrored];
UIImage *upMirroredImage = [[UIImage alloc] initWithCGImage:upMirroredCGImage];
expect([[upMirroredImage sd_colorAtPoint:CGPointMake(130, 160)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(upMirroredCGImage);
CGImageRef downCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationDown];
UIImage *downImage = [[UIImage alloc] initWithCGImage:downCGImage];
expect([[downImage sd_colorAtPoint:CGPointMake(130, 30)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(downCGImage);
CGImageRef downMirrorerdCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationDownMirrored];
UIImage *downMirroredImage = [[UIImage alloc] initWithCGImage:downMirrorerdCGImage];
expect([[downMirroredImage sd_colorAtPoint:CGPointMake(60, 30)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(downMirrorerdCGImage);
CGImageRef leftMirroredCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationLeftMirrored];
UIImage *leftMirroredImage = [[UIImage alloc] initWithCGImage:leftMirroredCGImage];
expect([[leftMirroredImage sd_colorAtPoint:CGPointMake(160, 60)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(leftMirroredCGImage);
CGImageRef rightCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationRight];
UIImage *rightImage = [[UIImage alloc] initWithCGImage:rightCGImage];
expect([[rightImage sd_colorAtPoint:CGPointMake(30, 60)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(rightCGImage);
CGImageRef rightMirroredCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationRightMirrored];
UIImage *rightMirroredImage = [[UIImage alloc] initWithCGImage:rightMirroredCGImage];
expect([[rightMirroredImage sd_colorAtPoint:CGPointMake(30, 130)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(rightMirroredCGImage);
CGImageRef leftCGImage = [SDImageCoderHelper CGImageCreateDecoded:originalCGImage orientation:kCGImagePropertyOrientationLeft];
UIImage *leftImage = [[UIImage alloc] initWithCGImage:leftCGImage];
expect([[leftImage sd_colorAtPoint:CGPointMake(160, 130)].sd_hexString isEqualToString:UIColor.blackColor.sd_hexString]).beTruthy();
CGImageRelease(leftCGImage);
}
#pragma mark - Helper
- (UIImage *)testImage {
if (!_testImage) {
_testImage = [[UIImage alloc] initWithContentsOfFile:[self testPNGPath]];
_testImage = [[UIImage alloc] initWithContentsOfFile:[self testPNGPathForName:@"TestImage"]];
}
return _testImage;
}
- (NSString *)testPNGPath {
- (NSString *)testPNGPathForName:(NSString *)name {
NSBundle *testBundle = [NSBundle bundleForClass:[self class]];
return [testBundle pathForResource:@"TestImage" ofType:@"png"];
return [testBundle pathForResource:name ofType:@"png"];
}
@end