skia2/docs/examples/Bitmap_extractSubset.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

26 lines
1.1 KiB
C++

// 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=304148c50c91490bfd58e9222342419c
REG_FIDDLE(Bitmap_extractSubset, 256, 256, true, 3) {
void draw(SkCanvas* canvas) {
SkIRect bounds, s;
source.getBounds(&bounds);
SkDebugf("bounds: %d, %d, %d, %d\n", bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom);
SkBitmap subset;
for (int left: { -100, 0, 100, 1000 } ) {
for (int right: { 0, 100, 1000 } ) {
SkIRect b = SkIRect::MakeLTRB(left, 100, right, 200);
bool success = source.extractSubset(&subset, b);
SkDebugf("subset: %4d, %4d, %4d, %4d ", b.fLeft, b.fTop, b.fRight, b.fBottom);
SkDebugf("success; %s", success ? "true" : "false");
if (success) {
subset.getBounds(&s);
SkDebugf(" subset: %d, %d, %d, %d", s.fLeft, s.fTop, s.fRight, s.fBottom);
}
SkDebugf("\n");
}
}
}
} // END FIDDLE