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- // Copyright 2019 Google LLC.
- // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
- #include "tools/fiddle/examples.h"
- // HASH=9e50185d502dc6903783679a84106089
- REG_FIDDLE(Matrix_mapXY, 256, 256, false, 0) {
- void draw(SkCanvas* canvas) {
- SkPaint paint;
- paint.setAntiAlias(true);
- SkMatrix matrix;
- matrix.setRotate(60, 128, 128);
- SkPoint lines[] = {{50, 50}, {150, 50}, {150, 150}};
- for (size_t i = 0; i < SK_ARRAY_COUNT(lines); ++i) {
- SkPoint pt;
- matrix.mapXY(lines[i].fX, lines[i].fY, &pt);
- canvas->drawCircle(pt.fX, pt.fY, 3, paint);
- }
- canvas->concat(matrix);
- canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(lines), lines, paint);
- }
- } // END FIDDLE
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