Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 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. |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 3 | #include "tools/fiddle/examples.h" |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 4 | // HASH=9e50185d502dc6903783679a84106089 |
Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Matrix_mapXY, 256, 256, false, 0) { |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void 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 |