// 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=c69cd2a590b5733c3cbc92cb9ceed3f5 REG_FIDDLE(Matrix_mapRectToQuad, 256, 192, false, 0) { void draw(SkCanvas* canvas) { SkPaint paint; paint.setAntiAlias(true); SkMatrix matrix; matrix.setRotate(60, 128, 128); SkRect rect = {50, 50, 150, 150}; SkPoint pts[4]; matrix.mapRectToQuad(pts, rect); for (int i = 0; i < 4; ++i) { canvas->drawCircle(pts[i].fX, pts[i].fY, 3, paint); } canvas->concat(matrix); paint.setStyle(SkPaint::kStroke_Style); canvas->drawRect(rect, paint); } } // END FIDDLE