Bitmap_allocPixels_2.cpp 623 B

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  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=91f474a11a2112cd5c88c40a9015048d
  5. REG_FIDDLE(Bitmap_allocPixels_2, 256, 256, false, 4) {
  6. void draw(SkCanvas* canvas) {
  7. SkBitmap bitmap;
  8. bitmap.allocPixels(SkImageInfo::Make(64, 64, kGray_8_SkColorType, kOpaque_SkAlphaType));
  9. SkCanvas offscreen(bitmap);
  10. offscreen.scale(.5f, .5f);
  11. for (int y : { 0, 64, 128, 192 } ) {
  12. offscreen.drawBitmap(source, -y, -y);
  13. canvas->drawBitmap(bitmap, y, y);
  14. }
  15. }
  16. } // END FIDDLE