xref: /aosp_15_r20/external/skia/docs/examples/Matrix_setSinCos.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(Matrix_setSinCos, 256, 128, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkPaint paint;
7     paint.setColor(SK_ColorGRAY);
8     paint.setAntiAlias(true);
9     SkRect rect = {20, 20, 100, 100};
10     canvas->drawRect(rect, paint);
11     paint.setColor(SK_ColorRED);
12     SkMatrix matrix;
13     matrix.setSinCos(.25f, .85f, rect.centerX(), rect.centerY());
14     canvas->concat(matrix);
15     canvas->drawRect(rect, paint);
16 }
17 }  // END FIDDLE
18