blob: 63d21cbb4b5b175770e8ab66c615431979be8ae4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
// Copyright (c) the JPEG XL Project 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 "lib/jxl/chroma_from_luma.h"
namespace jxl {
ColorCorrelationMap::ColorCorrelationMap(size_t xsize, size_t ysize, bool XYB)
: ytox_map(DivCeil(xsize, kColorTileDim), DivCeil(ysize, kColorTileDim)),
ytob_map(DivCeil(xsize, kColorTileDim), DivCeil(ysize, kColorTileDim)) {
ZeroFillImage(&ytox_map);
ZeroFillImage(&ytob_map);
if (!XYB) {
base_correlation_b_ = 0;
}
RecomputeDCFactors();
}
} // namespace jxl
|
