skia2/docs/examples/draw_pixel_array.cpp
Hal Canary 6c8422c671 add more docs/examples from named fiddles.
ignore offscreen, srgb, and animated fiddles for now.

Change-Id: I923131b684865698e6cda138b004930e11f504d5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/263713
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2020-01-14 19:22:26 +00:00

22 lines
877 B
C++

// 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