blob: 9a26bf08d3e5e8dccccb305862e7690272ef4eab [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "impeller/golden_tests/metal_screenshot.h"
namespace impeller {
namespace testing {
MetalScreenshot::MetalScreenshot(CGImageRef cgImage) : cg_image_(cgImage) {
CGDataProviderRef data_provider = CGImageGetDataProvider(cgImage);
pixel_data_ = CGDataProviderCopyData(data_provider);
}
MetalScreenshot::~MetalScreenshot() {
CFRelease(pixel_data_);
CGImageRelease(cg_image_);
}
const UInt8* MetalScreenshot::GetBytes() const {
return CFDataGetBytePtr(pixel_data_);
}
size_t MetalScreenshot::GetHeight() const {
return CGImageGetHeight(cg_image_);
}
size_t MetalScreenshot::GetWidth() const {
return CGImageGetWidth(cg_image_);
}
bool MetalScreenshot::WriteToPNG(const std::string& path) const {
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;
}
} // namespace testing
} // namespace impeller