| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| // The PNG decoder is not available on all platforms. |
| #if !defined(SK_BUILD_FOR_MAC) && \ |
| !defined(SK_BUILD_FOR_WIN) && \ |
| !defined(SK_BUILD_FOR_IOS) |
| |
| #include "SkBitmap.h" |
| #include "SkForceLinking.h" |
| #include "SkImageDecoder.h" |
| #include "Test.h" |
| |
| // A valid 1x1 indexed PNG. |
| unsigned char gPngData[] = { |
| 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, |
| 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, |
| 0x08, 0x03, 0x00, 0x00, 0x00, 0x28, 0xcb, 0x34, 0xbb, 0x00, 0x00, 0x00, |
| 0x09, 0x70, 0x48, 0x59, 0x73, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, |
| 0x1c, 0x00, 0x0f, 0x01, 0xb9, 0x8f, 0x00, 0x00, 0x00, 0x06, 0x50, 0x4c, |
| 0x54, 0x45, 0xff, 0x00, 0x00, 0x00, 0xff, 0x00, 0xd2, 0x87, 0xef, 0x71, |
| 0x00, 0x00, 0x00, 0x13, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0xed, 0xfd, |
| 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0xf8, 0xaf, 0x16, 0x46, 0x00, |
| 0x02, 0x00, 0x01, 0x32, 0x60, 0xf7, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x49, |
| 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82 |
| }; |
| |
| // Attempt to decode an invalid PNG that has a palette. Mostly we're looking to |
| // make sure we don't leak memory since libpng uses setjmp for error handling so |
| // it's very easy to accidentally skip destructors when a failure happens. |
| DEF_TEST(InvalidIndexedPng, reporter) { |
| SkBitmap image; |
| SkForceLinking(false); |
| // Make our PNG invalid by changing a byte. |
| gPngData[sizeof(gPngData) - 1] = 1; |
| bool success = SkImageDecoder::DecodeMemory( |
| gPngData, sizeof(gPngData), &image, SkColorType::kUnknown_SkColorType, |
| SkImageDecoder::kDecodePixels_Mode); |
| REPORTER_ASSERT(reporter, !success); |
| } |
| |
| #endif // !(SK_BUILD_FOR_MAC||SK_BUILD_FOR_WIN||SK_BUILD_FOR_IOS) |