| // 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 "services/shape_detection/text_detection_impl_mac.h" |
| |
| #import <AppKit/AppKit.h> |
| |
| #include <memory> |
| |
| #include "base/command_line.h" |
| #include "base/functional/bind.h" |
| #include "base/mac/bridging.h" |
| #include "base/mac/mac_util.h" |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/run_loop.h" |
| #include "base/test/gmock_callback_support.h" |
| #include "base/test/task_environment.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/skia/include/utils/mac/SkCGUtils.h" |
| #include "ui/gl/gl_switches.h" |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| using base::test::RunOnceClosure; |
| |
| namespace shape_detection { |
| |
| class TextDetectionImplMacTest : public ::testing::Test { |
| public: |
| ~TextDetectionImplMacTest() override = default; |
| |
| void DetectCallback(std::vector<mojom::TextDetectionResultPtr> results) { |
| // CIDetectorTypeText doesn't return the decoded text, juts bounding boxes. |
| Detection(results.size()); |
| } |
| MOCK_METHOD1(Detection, void(size_t)); |
| |
| std::unique_ptr<TextDetectionImplMac> impl_; |
| base::test::SingleThreadTaskEnvironment task_environment_; |
| }; |
| |
| TEST_F(TextDetectionImplMacTest, CreateAndDestroy) {} |
| |
| // This test generates an image with a single text line and scans it back. |
| TEST_F(TextDetectionImplMacTest, ScanOnce) { |
| // Text detection needs GPU infrastructure. |
| if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kUseGpuInTests)) { |
| return; |
| } |
| |
| impl_ = std::make_unique<TextDetectionImplMac>(); |
| base::ScopedCFTypeRef<CGColorSpaceRef> rgb_colorspace( |
| CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB)); |
| |
| const int width = 200; |
| const int height = 50; |
| base::ScopedCFTypeRef<CGContextRef> context(CGBitmapContextCreate( |
| nullptr, width, height, 8 /* bitsPerComponent */, |
| width * 4 /* rowBytes */, rgb_colorspace, |
| uint32_t{kCGImageAlphaPremultipliedFirst} | kCGBitmapByteOrder32Host)); |
| |
| // Draw a white background. |
| CGContextSetRGBFillColor(context, 1.0, 1.0, 1.0, 1.0); |
| CGContextFillRect(context, CGRectMake(0.0, 0.0, width, height)); |
| |
| // Create a line of Helvetica 16 text, and draw it in the |context|. |
| NSDictionary* attributes = |
| @{NSFontAttributeName : [NSFont fontWithName:@"Helvetica" size:16]}; |
| |
| NSAttributedString* info = |
| [[NSAttributedString alloc] initWithString:@"https://www.chromium.org" |
| attributes:attributes]; |
| |
| base::ScopedCFTypeRef<CTLineRef> line( |
| CTLineCreateWithAttributedString(base::mac::NSToCFPtrCast(info))); |
| |
| CGContextSetTextPosition(context, 10.0, height / 2.0); |
| CTLineDraw(line, context); |
| |
| // Extract a CGImage and its raw pixels from |context|. |
| base::ScopedCFTypeRef<CGImageRef> cg_image( |
| CGBitmapContextCreateImage(context)); |
| EXPECT_EQ(static_cast<size_t>(width), CGImageGetWidth(cg_image)); |
| EXPECT_EQ(static_cast<size_t>(height), CGImageGetHeight(cg_image)); |
| |
| SkBitmap bitmap; |
| ASSERT_TRUE(SkCreateBitmapFromCGImage(&bitmap, cg_image)); |
| |
| base::RunLoop run_loop; |
| // Send the image to Detect() and expect the response in callback. |
| EXPECT_CALL(*this, Detection(1)) |
| .WillOnce(RunOnceClosure(run_loop.QuitClosure())); |
| impl_->Detect(bitmap, |
| base::BindOnce(&TextDetectionImplMacTest::DetectCallback, |
| base::Unretained(this))); |
| |
| run_loop.Run(); |
| } |
| |
| } // shape_detection namespace |