Bitmap_tryAllocPixels.cpp 695 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=34479d5aa23ce9f5e334b0786c9edb22
  5. REG_FIDDLE(Bitmap_tryAllocPixels, 256, 256, false, 3) {
  6. void draw(SkCanvas* canvas) {
  7. SkBitmap bitmap;
  8. SkImageInfo info = SkImageInfo::Make(64, 256, kGray_8_SkColorType, kOpaque_SkAlphaType);
  9. if (bitmap.tryAllocPixels(info, 0)) {
  10. SkCanvas offscreen(bitmap);
  11. offscreen.scale(.5f, .5f);
  12. for (int x : { 0, 64, 128, 192 } ) {
  13. offscreen.drawBitmap(source, -x, 0);
  14. canvas->drawBitmap(bitmap, x, 0);
  15. }
  16. }
  17. }
  18. } // END FIDDLE