skia2/docs/examples/Octopus_Generator.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

31 lines
1.3 KiB
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(Octopus_Generator, 256, 256, false, 0) {
void paintOctopus(int x, int y, int size_base, SkColor color, SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(color);
int radius = 3 * size_base;
canvas->drawCircle(x, y, radius, paint);
for (int leg = 0; leg < 8; ++leg) {
canvas->drawCircle(x - radius + (2 * radius / 7.5 * leg),
y + radius - pow(abs(4 - leg), 2), size_base / 2 + 2, paint);
}
paint.setColor(SkColorSetRGB(SkTMin(255u, SkColorGetR(color) + 20),
SkTMin(255u, SkColorGetG(color) + 20),
SkTMin(255u, SkColorGetB(color) + 20)));
canvas->drawCircle(x - size_base, y + size_base, size_base / 2, paint);
canvas->drawCircle(x + size_base, y + size_base, size_base / 2, paint);
}
void draw(SkCanvas* canvas) {
SkRandom rand;
for (int i = 0; i < 400; ++i) {
paintOctopus(rand.nextRangeScalar(0, 256), rand.nextRangeScalar(0, 256),
rand.nextRangeScalar(6, 12), rand.nextU() | 0xFF0000000, canvas);
}
}
} // END FIDDLE