xref: /third_party/skia/docs/examples/Canvas_SaveLayerRec.cpp
  • Home
  • History
  • Annotate Annotate
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
  • only in /third_party/skia/docs/examples/
1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ci// HASH=ee8c0b120234e27364f8c9a786cf8f89
5cb93a386Sopenharmony_ciREG_FIDDLE(Canvas_SaveLayerRec, 256, 160, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    SkPaint redPaint, bluePaint;
8cb93a386Sopenharmony_ci    redPaint.setAntiAlias(true);
9cb93a386Sopenharmony_ci    redPaint.setColor(SK_ColorRED);
10cb93a386Sopenharmony_ci    canvas->drawCircle(21, 21, 8, redPaint);
11cb93a386Sopenharmony_ci    bluePaint.setColor(SK_ColorBLUE);
12cb93a386Sopenharmony_ci    canvas->drawCircle(31, 21, 8, bluePaint);
13cb93a386Sopenharmony_ci    SkMatrix matrix;
14cb93a386Sopenharmony_ci    matrix.setScale(4, 4);
15cb93a386Sopenharmony_ci    auto scaler = SkImageFilters::MatrixTransform(matrix, SkSamplingOptions(), nullptr);
16cb93a386Sopenharmony_ci    SkCanvas::SaveLayerRec saveLayerRec(nullptr, nullptr, scaler.get(), 0);
17cb93a386Sopenharmony_ci    canvas->saveLayer(saveLayerRec);
18cb93a386Sopenharmony_ci    canvas->drawCircle(125, 85, 8, redPaint);
19cb93a386Sopenharmony_ci    canvas->restore();
20cb93a386Sopenharmony_ci}
21cb93a386Sopenharmony_ci}  // END FIDDLE
22

Indexes created Thu Nov 07 10:32:03 CST 2024