impeller::testing::MetalScreenshot Class Reference

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#include <metal_screenshot.h>

Public Member Functions
	~MetalScreenshot ()
const UInt8 *	GetBytes () const
size_t	GetHeight () const
size_t	GetWidth () const
bool	WriteToPNG (const std::string &path) const

Friends
class	MetalScreenshoter

Detailed Description

A screenshot that was produced from MetalScreenshoter.

Definition at line 19 of file metal_screenshot.h.

Constructor & Destructor Documentation

~MetalScreenshot()

impeller::testing::MetalScreenshot::~MetalScreenshot

(

)

Definition at line 15 of file metal_screenshot.mm.

                                  {
  CFRelease(pixel_data_);
  CGImageRelease(cg_image_);
}

Member Function Documentation

GetBytes()

const UInt8 * impeller::testing::MetalScreenshot::GetBytes

(

)

const

Definition at line 20 of file metal_screenshot.mm.

                                             {
  return CFDataGetBytePtr(pixel_data_);
}

GetHeight()

size_t impeller::testing::MetalScreenshot::GetHeight

(

)

const

Definition at line 24 of file metal_screenshot.mm.

                                        {
  return CGImageGetHeight(cg_image_);
}

GetWidth()

size_t impeller::testing::MetalScreenshot::GetWidth

(

)

const

Definition at line 28 of file metal_screenshot.mm.

                                       {
  return CGImageGetWidth(cg_image_);
}

WriteToPNG()

bool impeller::testing::MetalScreenshot::WriteToPNG

(

const std::string &

path

)

const

Definition at line 32 of file metal_screenshot.mm.

                                                            {
  bool result = false;
  NSURL* output_url =
      [NSURL fileURLWithPath:[NSString stringWithUTF8String:path.c_str()]];
  CGImageDestinationRef destination = CGImageDestinationCreateWithURL(
      (__bridge CFURLRef)output_url, kUTTypePNG, 1, nullptr);
  if (destination != nullptr) {
    CGImageDestinationAddImage(destination, cg_image_,
                               (__bridge CFDictionaryRef) @{});
 
    if (CGImageDestinationFinalize(destination)) {
      result = true;
    }
 
    CFRelease(destination);
  }
  return result;
}

Friends And Related Function Documentation

MetalScreenshoter

friend class MetalScreenshoter

friend

Definition at line 32 of file metal_screenshot.h.

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The documentation for this class was generated from the following files:

• impeller/golden_tests/metal_screenshot.h
• impeller/golden_tests/metal_screenshot.mm