skia2/docs/examples/Path_IsLineDegenerate.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

18 lines
839 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=97a031f9186ade586928563840ce9116
REG_FIDDLE(Path_IsLineDegenerate, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
SkPoint points[] = { {100, 100}, {100.000001f, 100.000001f}, {100.0001f, 100.0001f} };
for (size_t i = 0; i < std::size(points) - 1; ++i) {
for (bool exact : { false, true } ) {
SkDebugf("line from (%1.8g,%1.8g) to (%1.8g,%1.8g) is %s" "degenerate, %s\n",
points[i].fX, points[i].fY, points[i + 1].fX, points[i + 1].fY,
SkPath::IsLineDegenerate(points[i], points[i + 1], exact)
? "" : "not ", exact ? "exactly" : "nearly");
}
}
}
} // END FIDDLE