Class HdrMetadata

Namespace

Egami.Colors

Assembly

Egami.dll

What an HDR file says about the display it was mastered on and the light levels in it (SMPTE ST 2086 and CTA-861.3, as PNG's mDCV and cLLI chunks store them). Tone mapping takes its source peak from here. Luminances are in cd/m².

public sealed record HdrMetadata : IEquatable<HdrMetadata>

Inheritance

object

HdrMetadata

Implements

IEquatable<HdrMetadata>

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Examples

// What an HDR file says about its mastering display and light levels, alongside its code points.
RasterMetadata metadata = raster.Metadata;
double? peak = metadata.Hdr?.MaxContentLightLevel ?? metadata.Hdr?.MasteringMaxLuminance;
bool pq = metadata.GetColorProfile().IsHdr;

Properties

MasteringMaxLuminance

Gets the mastering display's peak luminance, or null.

public double? MasteringMaxLuminance { get; init; }

Property Value

double?

MasteringMinLuminance

Gets the mastering display's black luminance, or null.

public double? MasteringMinLuminance { get; init; }

Property Value

double?

MasteringPrimaries

Gets the mastering display's primaries and white point, or null.

public ColorPrimaries? MasteringPrimaries { get; init; }

Property Value

ColorPrimaries

MaxContentLightLevel

Gets the maximum content light level (MaxCLL): the brightest pixel's luminance, or null.

public double? MaxContentLightLevel { get; init; }

Property Value

double?

MaxFrameAverageLightLevel

Gets the maximum frame-average light level (MaxFALL), or null.

public double? MaxFrameAverageLightLevel { get; init; }

Property Value

double?