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
REG_FIDDLE(Matrix_preservesRightAngles, 256, 128, false, 0)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