skia2/docs/examples/Point_add_operator.cpp
Herb Derby 5623d9e36f Replace SK_ARRAY_COUNT with std::size() for skia/docs
Change-Id: I9569ba4760546be6302c24658e64cb58c7db86e5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/550697
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2022-06-16 20:09:58 +00:00

26 lines
1012 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 "tools/fiddle/examples.h"
// HASH=911a84253dfec4dabf94dbe3c71766f0
REG_FIDDLE(Point_add_operator, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
SkPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 },
{ 6, 4 }, { 7, 5 }, { 5, 7 },
{ 4, 6 }, { 3, 7 }, { 1, 5 },
{ 2, 4 }, { 1, 3 }, { 3, 1 } };
canvas->scale(30, 15);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawPoints(SkCanvas::kPolygon_PointMode, std::size(points), points, paint);
SkVector mod = {1, 1};
for (auto& point : points) {
point = point + mod;
mod.fX *= 1.1f;
mod.fY += .2f;
}
paint.setColor(SK_ColorRED);
canvas->drawPoints(SkCanvas::kPolygon_PointMode, std::size(points), points, paint);
}
} // END FIDDLE