1cb93a386Sopenharmony_ci#if 0  // Disabled until updated to use current API.
2cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
3cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
5cb93a386Sopenharmony_ci// HASH=8b37f4ae7fec1756433c0f984175fb14
6cb93a386Sopenharmony_ciREG_FIDDLE(Matrix_isSimilarity, 256, 256, false, 0) {
7cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
8cb93a386Sopenharmony_ci    SkPaint p;
9cb93a386Sopenharmony_ci    p.setAntiAlias(true);
10cb93a386Sopenharmony_ci    SkMatrix m;
11cb93a386Sopenharmony_ci    int below = 175;
12cb93a386Sopenharmony_ci    for (SkScalar sx : { -1, 1 } ) {
13cb93a386Sopenharmony_ci        for (SkScalar sy : { -1, 1 } ) {
14cb93a386Sopenharmony_ci            m.setAll(sx, 1, 128,    1, sy, 32,   0, 0, 1);
15cb93a386Sopenharmony_ci            bool isSimilarity = m.isSimilarity();
16cb93a386Sopenharmony_ci            SkString str;
17cb93a386Sopenharmony_ci            str.printf("sx: %g sy: %g sim: %s", sx, sy, isSimilarity ? "true" : "false");
18cb93a386Sopenharmony_ci            {
19cb93a386Sopenharmony_ci                SkAutoCanvasRestore autoRestore(canvas, true);
20cb93a386Sopenharmony_ci                canvas->concat(m);
21cb93a386Sopenharmony_ci                canvas->drawString(str, 0, 0, p);
22cb93a386Sopenharmony_ci            }
23cb93a386Sopenharmony_ci            if (!isSimilarity) {
24cb93a386Sopenharmony_ci                canvas->drawString(str, 40, below, p);
25cb93a386Sopenharmony_ci                below += 20;
26cb93a386Sopenharmony_ci            }
27cb93a386Sopenharmony_ci        }
28cb93a386Sopenharmony_ci    }
29cb93a386Sopenharmony_ci}
30cb93a386Sopenharmony_ci}  // END FIDDLE
31cb93a386Sopenharmony_ci#endif  // Disabled until updated to use current API.
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