skia2/docs/examples/draw_pixel_array.cpp

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// Copyright 2020 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
REG_FIDDLE(draw_pixel_array, 256, 256, false, 5) {
void draw(SkCanvas* canvas) {
constexpr int width = 4;
constexpr int height = 4;
static const uint32_t pixels[height * width] = {
0xFF000000, 0xFF005500, 0xFF00AA00, 0xFF00FF00,
0xFF000055, 0xFF005555, 0xFF00AA55, 0xFF00FF55,
0xFF0000AA, 0xFF0055AA, 0xFF00AAAA, 0xFF00FFAA,
0xFF0000FF, 0xFF0055FF, 0xFF00AAFF, 0xFF00FFFF,
};
SkPixmap pixmap(SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType),
pixels, sizeof(uint32_t) * width);
sk_sp<SkImage> img = SkImage::MakeRasterCopy(pixmap);
canvas->scale(16, 16);
canvas->drawImage(img, 6, 6);
}
} // END FIDDLE