// 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