dc607e35e1
Change-Id: Ie16194937530d7cd75f84d9af66c31b77875ef83 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/347043 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "tests/Test.h"
|
|
|
|
#include "include/core/SkBitmap.h"
|
|
#include "include/core/SkImage.h"
|
|
|
|
// https://bug.skia.org/5096
|
|
// Test that when we make an image from a subset of a bitmap, that it
|
|
// has a diff (ID, dimensions) from an image made from the entire
|
|
// bitmap or a different subset of the image.
|
|
DEF_TEST(ImageBitmapIdentity, r) {
|
|
SkBitmap bm, a, b;
|
|
bm.allocN32Pixels(32, 64);
|
|
bm.eraseColor(SK_ColorBLACK);
|
|
bm.setImmutable();
|
|
(void)bm.extractSubset(&a, SkIRect::MakeXYWH(0, 0, 32, 32));
|
|
(void)bm.extractSubset(&b, SkIRect::MakeXYWH(0, 32, 32, 32));
|
|
REPORTER_ASSERT(r, a.getGenerationID() == b.getGenerationID());
|
|
auto img = bm.asImage();
|
|
auto imgA = a.asImage();
|
|
auto imgB = b.asImage();
|
|
REPORTER_ASSERT(r, img->uniqueID() == bm.getGenerationID());
|
|
REPORTER_ASSERT(r, img->uniqueID() != imgA->uniqueID());
|
|
REPORTER_ASSERT(r, img->uniqueID() != imgB->uniqueID());
|
|
REPORTER_ASSERT(r, imgA->uniqueID() != imgB->uniqueID());
|
|
REPORTER_ASSERT(r, imgA->uniqueID() != a.getGenerationID());
|
|
REPORTER_ASSERT(r, imgB->uniqueID() != b.getGenerationID());
|
|
}
|