skia2/docs/examples/Path_getVerbs.cpp

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// 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=2ec66880966a6133ddd9331ce7323438
REG_FIDDLE(Path_getVerbs, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
auto debugster = [](const char* prefix, const SkPath& path, uint8_t* verbs, int max) -> void {
int count = path.getVerbs(verbs, max);
SkDebugf("%s verb count: %d ", prefix, count);
const char* verbStr[] = { "move", "line", "quad", "conic", "cubic", "close" };
for (int i = 0; i < SkTMin(count, max) && verbs; ++i) {
SkDebugf("%s ", verbStr[verbs[i]]);
}
SkDebugf("\n");
};
SkPath path;
path.lineTo(20, 20);
path.lineTo(-10, -10);
uint8_t verbs[3];
debugster("no verbs", path, nullptr, 0);
debugster("zero max", path, verbs, 0);
debugster("too small", path, verbs, 2);
debugster("just right", path, verbs, path.countVerbs());
}
} // END FIDDLE