submodule/skia/docs/examples/Canvas_drawPath.cpp

   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.
   3 #include "tools/fiddle/examples.h"
   4 // HASH=fe2294131f422b8d6752f6a880f98ad9
   5 REG_FIDDLE(Canvas_drawPath, 256, 256, false, 0) {
   6 void draw(SkCanvas* canvas) {
   7     SkPath path;
   8     path.moveTo(20, 20);
   9     path.quadTo(60, 20, 60, 60);
  10     path.close();
  11     path.moveTo(60, 20);
  12     path.quadTo(60, 60, 20, 60);
  13     SkPaint paint;
  14     paint.setStrokeWidth(10);
  15     paint.setAntiAlias(true);
  16     paint.setStyle(SkPaint::kStroke_Style);
  17     for (auto join: { SkPaint::kBevel_Join, SkPaint::kRound_Join, SkPaint::kMiter_Join } ) {
  18         paint.setStrokeJoin(join);
  19         for (auto cap: { SkPaint::kButt_Cap, SkPaint::kSquare_Cap, SkPaint::kRound_Cap  } ) {
  20             paint.setStrokeCap(cap);
  21             canvas->drawPath(path, paint);
  22             canvas->translate(80, 0);
  23         }
  24         canvas->translate(-240, 60);
  25     }
  26     paint.setStyle(SkPaint::kFill_Style);
  27     for (auto fill : { SkPathFillType::kWinding,
  28                        SkPathFillType::kEvenOdd,
  29                        SkPathFillType::kInverseWinding } ) {
  30         path.setFillType(fill);
  31         canvas->save();
  32         canvas->clipRect({0, 10, 80, 70});
  33         canvas->drawPath(path, paint);
  34         canvas->restore();
  35         canvas->translate(80, 0);
  36     }
  37 }
  38 }  // END FIDDLE