skia2/docs/examples/Point_Distance.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

26 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=9e0a2de2eb94dba4521d733e73f2bda5
REG_FIDDLE(Point_Distance, 256, 192, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
const SkPoint lines[][2] = {{{-10, -10}, {90, 30}}, {{0, 0}, {150, 30}}, {{10, 25}, {120, 150}}};
const SkPoint origin = {30, 160};
for (auto line : lines) {
SkPoint a = origin + line[0];
const SkPoint& b = line[1];
canvas->drawLine(a, b, paint);
SkAutoCanvasRestore acr(canvas, true);
SkScalar angle = SkScalarATan2((b.fY - a.fY), b.fX - a.fX);
canvas->rotate(angle * 180 / SK_ScalarPI, a.fX, a.fY);
SkString distance("distance = ");
distance.appendScalar(SkPoint::Distance(a, b));
canvas->drawString(distance, a.fX + 25, a.fY - 4, paint);
}
}
} // END FIDDLE
#endif // Disabled until updated to use current API.