submodule/skia/docs/examples/skew_x_animated.cpp

   1 // Copyright 2020 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 REG_FIDDLE_ANIMATED(skew_x_animated, 256, 256, false, 6, 6) {
   5 void draw(SkCanvas* canvas) {
   6     canvas->clear(SK_ColorWHITE);
   7     SkMatrix matrix;
   8     matrix.setAll(2, 5 * cos(6.28318548 * frame), 0,
   9                   0, 2, 128,
  10                   0, 0, 1);
  11     SkPaint paint;
  12     paint.setShader(
  13         image->makeShader(
  14             SkTileMode::kRepeat,
  15             SkTileMode::kRepeat,
  16             SkSamplingOptions(),
  17             matrix));
  18     canvas->drawPaint(paint);
  19 }
  20 }  // END FIDDLE