Lines Matching +full:use +full:- +full:base +full:- +full:image

4  * Use of this source code is governed by a BSD-style license that can be
18  *  display an image with gainmap on this display. Let B be the pixel value from the base image
19  *  in a color space that has the primaries of the base image and a linear transfer function. Let
24  *    W = clamp((log(H)                - log(fDisplayRatioSdr)) /
25  *              (log(fDisplayRatioHdr) - log(fDisplayRatioSdr), 0, 1)
31  *  Finally, apply the gainmap to compute D, the displayed pixel. If the base image is SDR then
33  *    D = (B + fEpsilonSdr) * exp(L * W) - fEpsilonHdr
34  *  If the base image is HDR then compute:
35  *    D = (B + fEpsilonHdr) * exp(L * (W - 1)) - fEpsilonSdr
38  *  however, that the base used for the log() and exp() functions does not affect the results of
39  *  the computation (it cancels out, as long as the same base is used throughout).
45      *  Parameters for converting the gainmap from its image encoding to log space. These are
69      *  Whether the base image is the SDR image or the HDR image.
78      *  The type of the gainmap image. If the type is kApple, then the gainmap image was originally
92      * If specified, color space to apply the gainmap in, otherwise the base image's color space
98      * Return true if this can be encoded as an UltraHDR v1 image.
103      * If |data| contains an ISO 21496-1 version that is supported, return true. Otherwise return
109      * If |data| constains ISO 21496-1 metadata then parse that metadata then use it to populate
110      * |info| and return true, otherwise return false. If |data| indicates that that the base image
113      * default, to be overwritten by the image decoder).
118      * Serialize an ISO 21496-1 version 0 blob containing only the version structure.
123      * Serialize an ISO 21496-1 version 0 blob containing this' gainmap parameters.