Bitmap_installPixels_2.cpp 752 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=a7e04447b2081010c50d7920e80a6bb2
  5. REG_FIDDLE(Bitmap_installPixels_2, 256, 256, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkRandom random;
  8. SkBitmap bitmap;
  9. const int width = 8;
  10. const int height = 8;
  11. uint32_t pixels[width * height];
  12. for (unsigned x = 0; x < width * height; ++x) {
  13. pixels[x] = random.nextU();
  14. }
  15. SkImageInfo info = SkImageInfo::MakeN32(width, height, kUnpremul_SkAlphaType);
  16. if (bitmap.installPixels(info, pixels, info.minRowBytes())) {
  17. canvas->scale(32, 32);
  18. canvas->drawBitmap(bitmap, 0, 0);
  19. }
  20. }
  21. } // END FIDDLE