1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2020 Google LLC. 2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. 3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h" 4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(skcanvas_star, 256, 256, false, 0) { draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Workervoid draw(SkCanvas* canvas) { 6*c8dee2aaSAndroid Build Coastguard Worker const SkScalar scale = 256.0f; 7*c8dee2aaSAndroid Build Coastguard Worker const SkScalar R = 0.45f * scale; 8*c8dee2aaSAndroid Build Coastguard Worker const SkScalar TAU = 6.2831853f; 9*c8dee2aaSAndroid Build Coastguard Worker SkPath path; 10*c8dee2aaSAndroid Build Coastguard Worker path.moveTo(R, 0.0f); 11*c8dee2aaSAndroid Build Coastguard Worker for (int i = 1; i < 7; ++i) { 12*c8dee2aaSAndroid Build Coastguard Worker SkScalar theta = 3 * i * TAU / 7; 13*c8dee2aaSAndroid Build Coastguard Worker path.lineTo(R * cos(theta), R * sin(theta)); 14*c8dee2aaSAndroid Build Coastguard Worker } 15*c8dee2aaSAndroid Build Coastguard Worker path.close(); 16*c8dee2aaSAndroid Build Coastguard Worker SkPaint p; 17*c8dee2aaSAndroid Build Coastguard Worker p.setAntiAlias(true); 18*c8dee2aaSAndroid Build Coastguard Worker canvas->clear(SK_ColorWHITE); 19*c8dee2aaSAndroid Build Coastguard Worker canvas->translate(0.5f * scale, 0.5f * scale); 20*c8dee2aaSAndroid Build Coastguard Worker canvas->drawPath(path, p); 21*c8dee2aaSAndroid Build Coastguard Worker } 22*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE 23