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 // HASH=f75a9b629aa6c51ed888f8799b5ba5f7
5 REG_FIDDLE(Matrix_preTranslate, 256, 160, false, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkPaint paint;
8 paint.setAntiAlias(true);
9 SkRect rect = {20, 20, 100, 100};
10 for (int i = 0; i < 2; ++i ) {
11 SkMatrix matrix;
12 i == 0 ? matrix.reset(): matrix.setRotate(25, rect.centerX(), 320);
13 {
14 SkAutoCanvasRestore acr(canvas, true);
15 canvas->concat(matrix);
16 paint.setColor(SK_ColorGRAY);
17 canvas->drawRect(rect, paint);
18 }
19 paint.setColor(SK_ColorRED);
20 for (int j = 0; j < 2; ++j ) {
21 SkAutoCanvasRestore acr(canvas, true);
22 matrix.preTranslate(40, 40);
23 canvas->concat(matrix);
24 canvas->drawCircle(0, 0, 3, paint);
25 }
26 }
27 }
28 } // END FIDDLE
29