Matt Sarett | 9b848d5 | 2017-05-02 11:32:42 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "Resources.h" |
| 9 | #include "Test.h" |
| 10 | |
| 11 | #include "SkBitmap.h" |
| 12 | #include "SkJpegEncoder.h" |
| 13 | #include "SkStream.h" |
| 14 | |
| 15 | DEF_TEST(Encode_Jpeg, r) { |
| 16 | SkBitmap bitmap; |
| 17 | bool success = GetResourceAsBitmap("mandrill_128.png", &bitmap); |
| 18 | if (!success) { |
| 19 | return; |
| 20 | } |
| 21 | |
| 22 | SkPixmap src; |
| 23 | success = bitmap.peekPixels(&src); |
| 24 | REPORTER_ASSERT(r, success); |
| 25 | if (!success) { |
| 26 | return; |
| 27 | } |
| 28 | |
| 29 | SkDynamicMemoryWStream dst0, dst1, dst2, dst3; |
| 30 | success = SkJpegEncoder::Encode(&dst0, src, SkJpegEncoder::Options()); |
| 31 | REPORTER_ASSERT(r, success); |
| 32 | |
| 33 | auto encoder1 = SkJpegEncoder::Make(&dst1, src, SkJpegEncoder::Options()); |
| 34 | for (int i = 0; i < src.height(); i++) { |
| 35 | success = encoder1->encodeRows(1); |
| 36 | REPORTER_ASSERT(r, success); |
| 37 | } |
| 38 | |
| 39 | auto encoder2 = SkJpegEncoder::Make(&dst2, src, SkJpegEncoder::Options()); |
| 40 | for (int i = 0; i < src.height(); i+=3) { |
| 41 | success = encoder2->encodeRows(3); |
| 42 | REPORTER_ASSERT(r, success); |
| 43 | } |
| 44 | |
| 45 | auto encoder3 = SkJpegEncoder::Make(&dst3, src, SkJpegEncoder::Options()); |
| 46 | success = encoder3->encodeRows(200); |
| 47 | REPORTER_ASSERT(r, success); |
| 48 | |
| 49 | sk_sp<SkData> data0 = dst0.detachAsData(); |
| 50 | sk_sp<SkData> data1 = dst1.detachAsData(); |
| 51 | sk_sp<SkData> data2 = dst2.detachAsData(); |
| 52 | sk_sp<SkData> data3 = dst3.detachAsData(); |
| 53 | REPORTER_ASSERT(r, data0->equals(data1.get())); |
| 54 | REPORTER_ASSERT(r, data0->equals(data2.get())); |
| 55 | REPORTER_ASSERT(r, data0->equals(data3.get())); |
| 56 | } |