xref: /aosp_15_r20/external/skia/docs/examples/AutoCanvasRestore_SkCanvas_star.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 // Copyright 2019 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(AutoCanvasRestore_SkCanvas_star, 256, 128, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkPaint paint;
7     paint.setAntiAlias(true);
8     SkFont font(fontMgr->matchFamilyStyle(nullptr, {}), 64);
9     for (SkScalar sx : { -1, 1 } ) {
10         for (SkScalar sy : { -1, 1 } ) {
11             SkAutoCanvasRestore autoRestore(canvas, true);
12             SkMatrix m = SkMatrix::MakeAll(sx, 1, 96,    0, sy, 64,   0, 0, 1);
13             canvas->concat(m);
14             canvas->drawString("R", 0, 0, font, paint);
15         }
16     }
17 }
18 }  // END FIDDLE
19