1 #if 0  // Disabled until updated to use current API.
2 // Copyright 2019 Google LLC.
3 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4 #include "tools/fiddle/examples.h"
5 // HASH=b9becf0dc24a9f00726e24a81fb72f16
6 REG_FIDDLE(Matrix_preservesRightAngles, 256, 128, false, 0) {
7 void draw(SkCanvas* canvas) {
8     SkPaint p;
9     p.setAntiAlias(true);
10     SkMatrix m;
11     int pos = 0;
12     for (SkScalar sx : { 1, 2 } ) {
13         for (SkScalar kx : { 0, 1 } ) {
14             m.setAll(sx, kx, 16,    0, 1, 32,   0, 0, 1);
15             bool isSimilarity = m.isSimilarity();
16             bool preservesRightAngles = m.preservesRightAngles();
17             SkString str;
18             str.printf("sx: %g kx: %g %s %s", sx, kx, isSimilarity ? "sim" : "",
19                         preservesRightAngles ? "right" : "");
20             SkAutoCanvasRestore autoRestore(canvas, true);
21             canvas->concat(m);
22             canvas->drawString(str, 0, pos, p);
23             pos += 20;
24         }
25     }
26 }
27 }  // END FIDDLE
28 #endif  // Disabled until updated to use current API.
29