xref: /aosp_15_r20/external/skia/docs/examples/DCIToXYZD50.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2020 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(DCIToXYZD50, 512, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkColorSpacePrimaries p;
7*c8dee2aaSAndroid Build Coastguard Worker     // DCI-P3 Primaries from https://en.wikipedia.org/wiki/DCI-P3
8*c8dee2aaSAndroid Build Coastguard Worker     p.fRX = 0.680f; p.fRY = 0.320f;
9*c8dee2aaSAndroid Build Coastguard Worker     p.fGX = 0.265f; p.fGY = 0.690f;
10*c8dee2aaSAndroid Build Coastguard Worker     p.fBX = 0.150f; p.fBY = 0.060f;
11*c8dee2aaSAndroid Build Coastguard Worker 
12*c8dee2aaSAndroid Build Coastguard Worker     // DCI-P3 D65
13*c8dee2aaSAndroid Build Coastguard Worker     p.fWX = 0.3127f; p.fWY = 0.3290f;
14*c8dee2aaSAndroid Build Coastguard Worker 
15*c8dee2aaSAndroid Build Coastguard Worker     // DCI-P3 Theater
16*c8dee2aaSAndroid Build Coastguard Worker     // p.fWX = 0.314; p.fWY = 0.351;
17*c8dee2aaSAndroid Build Coastguard Worker 
18*c8dee2aaSAndroid Build Coastguard Worker     skcms_Matrix3x3 toXYZ;
19*c8dee2aaSAndroid Build Coastguard Worker     p.toXYZD50(&toXYZ);
20*c8dee2aaSAndroid Build Coastguard Worker 
21*c8dee2aaSAndroid Build Coastguard Worker     for (int i = 0; i < 3; ++i) {
22*c8dee2aaSAndroid Build Coastguard Worker         SkDebugf("%f %f %f\n", toXYZ.vals[i][0], toXYZ.vals[i][1], toXYZ.vals[i][2]);
23*c8dee2aaSAndroid Build Coastguard Worker     }
24*c8dee2aaSAndroid Build Coastguard Worker }
25*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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