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=f99dcb00296d0c56b6c0e178e94b3534
5REG_FIDDLE(Matrix_mapPoints, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
7    SkMatrix matrix;
8    matrix.reset();
9    const int count = 4;
10    SkPoint src[count];
11    matrix.mapRectToQuad(src, {40, 70, 180, 220} );
12    SkPaint paint;
13    paint.setARGB(77, 23, 99, 154);
14    for (int i = 0; i < 5; ++i) {
15        SkPoint dst[count];
16        matrix.mapPoints(dst, src, count);
17        canvas->drawPoints(SkCanvas::kPolygon_PointMode, count, dst, paint);
18        matrix.preRotate(35, 128, 128);
19    }
20}
21}  // END FIDDLE
22