libjxl

FORK: libjxl patches used on blog
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luminance.h (653B)

      1 // Copyright (c) the JPEG XL Project Authors. All rights reserved.
      2 //
      3 // Use of this source code is governed by a BSD-style
      4 // license that can be found in the LICENSE file.
      5 
      6 #ifndef LIB_JXL_LUMINANCE_H_
      7 #define LIB_JXL_LUMINANCE_H_
      8 
      9 namespace jxl {
     10 
     11 // Chooses a default intensity target based on the transfer function of the
     12 // image, if known. For SDR images or images not known to be HDR, returns
     13 // kDefaultIntensityTarget, for images known to have PQ or HLG transfer function
     14 // returns a higher value.
     15 
     16 struct ImageMetadata;
     17 // TODO(eustas): rename
     18 void SetIntensityTarget(ImageMetadata* m);
     19 
     20 }  // namespace jxl
     21 
     22 #endif  // LIB_JXL_LUMINANCE_H_