xref: /aosp_15_r20/external/skia/docs/examples/RRect_setNinePatch.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 // Copyright 2019 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(RRect_setNinePatch, 256, 70, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkPaint paint;
7     paint.setAntiAlias(true);
8     SkRRect rrect;
9     rrect.setNinePatch({30, 10, 100, 60}, 10, 20, 20, 10);
10     canvas->drawRRect(rrect, paint);
11     paint.setColor(SK_ColorWHITE);
12     const SkRect r = rrect.getBounds();
13     canvas->drawLine(r.fLeft, r.fTop + rrect.radii(SkRRect::kUpperLeft_Corner).fY,
14                      r.fRight, r.fTop + rrect.radii(SkRRect::kUpperRight_Corner).fY, paint);
15     canvas->drawLine(r.fLeft, r.fBottom - rrect.radii(SkRRect::kLowerLeft_Corner).fY,
16                      r.fRight, r.fBottom - rrect.radii(SkRRect::kLowerRight_Corner).fY, paint);
17     canvas->drawLine(r.fLeft + rrect.radii(SkRRect::kUpperLeft_Corner).fX, r.fTop,
18                      r.fLeft + rrect.radii(SkRRect::kLowerLeft_Corner).fX, r.fBottom, paint);
19     canvas->drawLine(r.fRight - rrect.radii(SkRRect::kUpperRight_Corner).fX, r.fTop,
20                      r.fRight - rrect.radii(SkRRect::kLowerRight_Corner).fX, r.fBottom, paint);
21 }
22 }  // END FIDDLE
23