| Flutter Impeller |

metal_screenshot.h
Go to the documentation of this file.
1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_IMPELLER_GOLDEN_TESTS_METAL_SCREENSHOT_H_
6 #define FLUTTER_IMPELLER_GOLDEN_TESTS_METAL_SCREENSHOT_H_
7
8 #include "flutter/impeller/golden_tests/screenshot.h"
9
10 #include <CoreFoundation/CoreFoundation.h>
11 #include <CoreImage/CoreImage.h>
12 #include <string>
13
14 namespace impeller {
15 namespace testing {
16
17 /// A screenshot that was produced from `MetalScreenshotter`.
18 class MetalScreenshot : public Screenshot {
19 public:
20 explicit MetalScreenshot(CGImageRef cgImage);
21
22 ~MetalScreenshot();
23
24 const uint8_t* GetBytes() const override;
25
26 size_t GetHeight() const override;
27
28 size_t GetWidth() const override;
29
30 size_t GetBytesPerRow() const override;
31
32 bool WriteToPNG(const std::string& path) const override;
33
34 private:
35 MetalScreenshot(const MetalScreenshot&) = delete;
36
37 MetalScreenshot& operator=(const MetalScreenshot&) = delete;
38 CGImageRef cg_image_;
39 CFDataRef pixel_data_;
40 };
41 } // namespace testing
42 } // namespace impeller
43
44 #endif // FLUTTER_IMPELLER_GOLDEN_TESTS_METAL_SCREENSHOT_H_
impeller::testing::MetalScreenshot::GetBytesPerRow
size_t GetBytesPerRow() const override
Returns number of bytes required to represent one row of the raw image.
Definition: metal_screenshot.mm:32
impeller::testing::MetalScreenshot
A screenshot that was produced from MetalScreenshotter.
Definition: metal_screenshot.h:18
impeller::testing::Screenshot
Definition: screenshot.h:16
screenshot.h
impeller::testing::MetalScreenshot::GetBytes
const uint8_t * GetBytes() const override
Access raw data of the screenshot.
Definition: metal_screenshot.mm:20
impeller::testing::MetalScreenshot::MetalScreenshot
MetalScreenshot(CGImageRef cgImage)
Definition: metal_screenshot.mm:10
impeller::testing::MetalScreenshot::WriteToPNG
bool WriteToPNG(const std::string &path) const override
Definition: metal_screenshot.mm:36
impeller::testing::MetalScreenshot::GetHeight
size_t GetHeight() const override
Returns the height of the image in pixels.
Definition: metal_screenshot.mm:24
impeller::testing::MetalScreenshot::~MetalScreenshot
~MetalScreenshot()
Definition: metal_screenshot.mm:15
impeller::testing::MetalScreenshot::GetWidth
size_t GetWidth() const override
Returns the width of the image in pixels.
Definition: metal_screenshot.mm:28
impeller
Definition: allocation.cc:12