skia2/docs/examples/Point_distanceToOrigin.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

25 lines
1.1 KiB
C++

#if 0 // Disabled until updated to use current API.
// 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=812cf26d91b1cdcd2c6b9438a8172518
REG_FIDDLE(Point_distanceToOrigin, 256, 192, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
const SkPoint points[] = { { 60, -110 }, { 90, 10 }, { 120, -110 }, { 180, -50 } };
const SkPoint origin = {0, 0};
canvas->translate(30, 140);
for (auto point : points) {
canvas->drawLine(origin, point, paint);
SkAutoCanvasRestore acr(canvas, true);
SkScalar angle = SkScalarATan2((point.fY - origin.fY), point.fX - origin.fX);
canvas->rotate(angle * 180 / SK_ScalarPI, origin.fX, origin.fY);
SkString distance("distance = ");
distance.appendScalar(point.distanceToOrigin());
canvas->drawString(distance, origin.fX + 25, origin.fY - 4, paint);
}
}
} // END FIDDLE
#endif // Disabled until updated to use current API.