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=304148c50c91490bfd58e9222342419c
5 REG_FIDDLE(Bitmap_extractSubset, 256, 256, true, 3) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkIRect bounds, s;
8 source.getBounds(&bounds);
9 SkDebugf("bounds: %d, %d, %d, %d\n", bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom);
10 SkBitmap subset;
11 for (int left: { -100, 0, 100, 1000 } ) {
12 for (int right: { 0, 100, 1000 } ) {
13 SkIRect b = SkIRect::MakeLTRB(left, 100, right, 200);
14 bool success = source.extractSubset(&subset, b);
15 SkDebugf("subset: %4d, %4d, %4d, %4d ", b.fLeft, b.fTop, b.fRight, b.fBottom);
16 SkDebugf("success; %s", success ? "true" : "false");
17 if (success) {
18 subset.getBounds(&s);
19 SkDebugf(" subset: %d, %d, %d, %d", s.fLeft, s.fTop, s.fRight, s.fBottom);
20 }
21 SkDebugf("\n");
22 }
23 }
24 }
25 } // END FIDDLE
26