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=9e50185d502dc6903783679a84106089
5REG_FIDDLE(Matrix_mapXY, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
7    SkPaint paint;
8    paint.setAntiAlias(true);
9    SkMatrix matrix;
10    matrix.setRotate(60, 128, 128);
11    SkPoint lines[] = {{50, 50}, {150, 50}, {150, 150}};
12    for (size_t i = 0; i < SK_ARRAY_COUNT(lines); ++i) {
13        SkPoint pt;
14        matrix.mapXY(lines[i].fX, lines[i].fY, &pt);
15        canvas->drawCircle(pt.fX, pt.fY, 3, paint);
16    }
17    canvas->concat(matrix);
18    canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(lines), lines, paint);
19}
20}  // END FIDDLE
21