skia2/docs/examples/Canvas_writePixels_2.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

23 lines
843 B
C++

// 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=8b128e067881f9251357653692fa28da
REG_FIDDLE(Canvas_writePixels_2, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
SkImageInfo imageInfo = SkImageInfo::MakeN32Premul(2, 2);
SkBitmap bitmap;
bitmap.setInfo(imageInfo);
uint32_t pixels[4];
bitmap.setPixels(pixels);
for (int y = 0; y < 256; y += 2) {
for (int x = 0; x < 256; x += 2) {
pixels[0] = SkColorSetRGB(x, y, x | y);
pixels[1] = SkColorSetRGB(x ^ y, y, x);
pixels[2] = SkColorSetRGB(x, x & y, y);
pixels[3] = SkColorSetRGB((~x) & 0xFF, (~y) & 0xFF, x);
canvas->writePixels(bitmap, x, y);
}
}
}
} // END FIDDLE