| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Resources.h" |
| #include "Test.h" |
| |
| #include "SkBitmap.h" |
| #include "SkJpegEncoder.h" |
| #include "SkStream.h" |
| |
| DEF_TEST(Encode_Jpeg, r) { |
| SkBitmap bitmap; |
| bool success = GetResourceAsBitmap("mandrill_128.png", &bitmap); |
| if (!success) { |
| return; |
| } |
| |
| SkPixmap src; |
| success = bitmap.peekPixels(&src); |
| REPORTER_ASSERT(r, success); |
| if (!success) { |
| return; |
| } |
| |
| SkDynamicMemoryWStream dst0, dst1, dst2, dst3; |
| success = SkJpegEncoder::Encode(&dst0, src, SkJpegEncoder::Options()); |
| REPORTER_ASSERT(r, success); |
| |
| auto encoder1 = SkJpegEncoder::Make(&dst1, src, SkJpegEncoder::Options()); |
| for (int i = 0; i < src.height(); i++) { |
| success = encoder1->encodeRows(1); |
| REPORTER_ASSERT(r, success); |
| } |
| |
| auto encoder2 = SkJpegEncoder::Make(&dst2, src, SkJpegEncoder::Options()); |
| for (int i = 0; i < src.height(); i+=3) { |
| success = encoder2->encodeRows(3); |
| REPORTER_ASSERT(r, success); |
| } |
| |
| auto encoder3 = SkJpegEncoder::Make(&dst3, src, SkJpegEncoder::Options()); |
| success = encoder3->encodeRows(200); |
| REPORTER_ASSERT(r, success); |
| |
| sk_sp<SkData> data0 = dst0.detachAsData(); |
| sk_sp<SkData> data1 = dst1.detachAsData(); |
| sk_sp<SkData> data2 = dst2.detachAsData(); |
| sk_sp<SkData> data3 = dst3.detachAsData(); |
| REPORTER_ASSERT(r, data0->equals(data1.get())); |
| REPORTER_ASSERT(r, data0->equals(data2.get())); |
| REPORTER_ASSERT(r, data0->equals(data3.get())); |
| } |