skia2/docs/examples/Bitmap_installPixels_2.cpp

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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=a7e04447b2081010c50d7920e80a6bb2
REG_FIDDLE(Bitmap_installPixels_2, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
SkRandom random;
SkBitmap bitmap;
const int width = 8;
const int height = 8;
uint32_t pixels[width * height];
for (unsigned x = 0; x < width * height; ++x) {
pixels[x] = random.nextU();
}
SkImageInfo info = SkImageInfo::MakeN32(width, height, kUnpremul_SkAlphaType);
if (bitmap.installPixels(info, pixels, info.minRowBytes())) {
canvas->scale(32, 32);
canvas->drawBitmap(bitmap, 0, 0);
}
}
} // END FIDDLE