skia2/docs/examples/Path_getPoints.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

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978 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 "fiddle/examples.h"
// HASH=9bc86efda08cbcd9c6f7c5f220294a24
REG_FIDDLE(Path_getPoints, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
auto debugster = [](const char* prefix, const SkPath& path, SkPoint* points, int max) -> void {
int count = path.getPoints(points, max);
SkDebugf("%s point count: %d ", prefix, count);
for (int i = 0; i < SkTMin(count, max) && points; ++i) {
SkDebugf("(%1.8g,%1.8g) ", points[i].fX, points[i].fY);
}
SkDebugf("\n");
};
SkPath path;
path.lineTo(20, 20);
path.lineTo(-10, -10);
SkPoint points[3];
debugster("no points", path, nullptr, 0);
debugster("zero max", path, points, 0);
debugster("too small", path, points, 2);
debugster("just right", path, points, path.countPoints());
}
} // END FIDDLE