зеркало из https://github.com/mozilla/gecko-dev.git
38 строки
1.4 KiB
C++
38 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "gfxMacUtils.h"
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#include <CoreVideo/CoreVideo.h>
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/* static */ CFStringRef gfxMacUtils::CFStringForTransferFunction(
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mozilla::gfx::TransferFunction aTransferFunction) {
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#if !defined(MAC_OS_VERSION_10_13) || \
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MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_VERSION_10_13
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CFStringRef kCVImageBufferTransferFunction_sRGB = CFSTR("IEC_sRGB");
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CFStringRef kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ =
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CFSTR("SMPTE_ST_2084_PQ");
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CFStringRef kCVImageBufferTransferFunction_ITU_R_2100_HLG =
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CFSTR("ITU_R_2100_HLG");
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#endif
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switch (aTransferFunction) {
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case mozilla::gfx::TransferFunction::BT709:
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return kCVImageBufferTransferFunction_ITU_R_709_2;
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case mozilla::gfx::TransferFunction::SRGB:
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return kCVImageBufferTransferFunction_sRGB;
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case mozilla::gfx::TransferFunction::PQ:
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return kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ;
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case mozilla::gfx::TransferFunction::HLG:
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return kCVImageBufferTransferFunction_ITU_R_2100_HLG;
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default:
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MOZ_ASSERT_UNREACHABLE("Unknown TransferFunction.");
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return kCVImageBufferTransferFunction_ITU_R_709_2;
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}
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}
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