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 // HASH=99a54b814ccab7d2b1143c88581649ff
5 REG_FIDDLE(Surface_MakeNull, 256, 256, true, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7     SkDebugf("SkSurface::MakeNull(0, 0) %c= nullptr\n", SkSurface::MakeNull(0, 0) == nullptr ?
8              '=' : '!');
9     const int w = 37;
10     const int h = 1000;
11     auto surf = SkSurface::MakeNull(w, h);
12     auto nullCanvas = surf->getCanvas();
13     nullCanvas->drawPaint(SkPaint());   // does not crash, nothing draws
14     SkDebugf("surf->makeImageSnapshot() %c= nullptr\n", surf->makeImageSnapshot() == nullptr ?
15             '=' : '!');
16 }
17 }  // END FIDDLE
18