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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/test/ios/ui_image_test_utils.h"
#include "base/apple/foundation_util.h"
#include "base/apple/scoped_cftyperef.h"
namespace ui::test::uiimage_utils {
UIImage* UIImageWithSizeAndSolidColor(CGSize const& size, UIColor* color) {
return UIImageWithSizeAndSolidColorAndScale(size, color, /*scale=*/1.0);
}
UIImage* UIImageWithSizeAndSolidColorAndScale(CGSize const& size,
UIColor* color,
CGFloat scale) {
UIGraphicsImageRendererFormat* format =
[UIGraphicsImageRendererFormat preferredFormat];
format.scale = scale;
format.opaque = YES;
UIGraphicsImageRenderer* renderer =
[[UIGraphicsImageRenderer alloc] initWithSize:size format:format];
return
[renderer imageWithActions:^(UIGraphicsImageRendererContext* ui_context) {
CGContextRef context = ui_context.CGContext;
CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, CGRectMake(0, 0, size.width, size.height));
}];
}
bool UIImagesAreEqual(UIImage* image_1, UIImage* image_2) {
if (image_1 == image_2) {
return true;
}
if (!CGSizeEqualToSize(image_1.size, image_2.size)) {
return false;
}
base::apple::ScopedCFTypeRef<CFDataRef> data_ref_1(
CGDataProviderCopyData(CGImageGetDataProvider(image_1.CGImage)));
base::apple::ScopedCFTypeRef<CFDataRef> data_ref_2(
CGDataProviderCopyData(CGImageGetDataProvider(image_2.CGImage)));
auto span_1 = base::apple::CFDataToSpan(data_ref_1.get());
auto span_2 = base::apple::CFDataToSpan(data_ref_2.get());
return span_1 == span_2;
}
} // namespace ui::test::uiimage_utils
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