xref: /third_party/skia/docs/examples/Bitmap_installPixels_2.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=a7e04447b2081010c50d7920e80a6bb2
5cb93a386Sopenharmony_ciREG_FIDDLE(Bitmap_installPixels_2, 256, 256, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci   SkRandom random;
8cb93a386Sopenharmony_ci   SkBitmap bitmap;
9cb93a386Sopenharmony_ci   const int width = 8;
10cb93a386Sopenharmony_ci   const int height = 8;
11cb93a386Sopenharmony_ci   uint32_t pixels[width * height];
12cb93a386Sopenharmony_ci   for (unsigned x = 0; x < width * height; ++x) {
13cb93a386Sopenharmony_ci       pixels[x] = random.nextU();
14cb93a386Sopenharmony_ci   }
15cb93a386Sopenharmony_ci   SkImageInfo info = SkImageInfo::MakeN32(width, height, kUnpremul_SkAlphaType);
16cb93a386Sopenharmony_ci   if (bitmap.installPixels(info, pixels, info.minRowBytes())) {
17cb93a386Sopenharmony_ci       canvas->scale(32, 32);
18cb93a386Sopenharmony_ci       canvas->drawImage(bitmap.asImage(), 0, 0);
19cb93a386Sopenharmony_ci   }
20cb93a386Sopenharmony_ci}
21cb93a386Sopenharmony_ci}  // END FIDDLE
22

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