1 // Copyright 2020 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(count_verbs, 256, 256, false, 0) {
5 #include "include/utils/SkTextUtils.h"
6
make_path(const SkFont & font)7 static SkPath make_path(const SkFont& font) {
8 SkPath path;
9 const char text[] = "SKIA";
10 SkTextUtils::GetPath(text, strlen(text), SkTextEncoding::kUTF8, 0, 0, font, &path);
11 return path;
12 }
13
count_verbs(const SkPath & path,int counts[6])14 static void count_verbs(const SkPath& path, int counts[6]) {
15 SkPath::Iter it(path, false);
16 for (int i = 0; i < 6; ++i) {
17 counts[i] = 0;
18 }
19 while (true) {
20 SkPoint pts[4];
21 SkPath::Verb verb = it.next(pts);
22 if (verb == SkPath::kDone_Verb) {
23 break;
24 }
25 if ((unsigned)verb < 6) {
26 counts[(unsigned)verb]++;
27 }
28 }
29 }
30
draw(SkCanvas * canvas)31 void draw(SkCanvas* canvas) {
32 SkFont font(SkTypeface::MakeFromName("DejaVu Sans Mono", SkFontStyle()), 30);
33 SkPath path = make_path(font);
34 int counts[6];
35 count_verbs(path, counts);
36
37 // output results:
38 const char* verbs[6] = {"Move", "Line", "Quad", "Conic", "Cubic", "Close"};
39 SkPoint pt = SkPoint::Make(10.0f, 5.0f + font.getSpacing());
40 SkPaint p;
41 canvas->clear(SK_ColorWHITE);
42 for (int i = 0; i < 6; ++i) {
43 canvas->drawString(SkStringPrintf("%-5s %3d", verbs[i], counts[i]), pt.fX, pt.fY, font,
44 p);
45 pt.fY += font.getSpacing();
46 }
47 }
48 } // END FIDDLE
49