| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TransformPrinters_h |
| #define TransformPrinters_h |
| |
| #include <iosfwd> |
| |
| namespace blink { |
| |
| class AffineTransform; |
| class TransformationMatrix; |
| |
| // GTest print support for platform transform classes. |
| // |
| // To avoid ODR violations, these should also be declared in the respective |
| // headers defining these types. This is required because otherwise a template |
| // instantiation may be instantiated differently, depending on whether this |
| // declaration is found. |
| // |
| // As a result, it is not necessary to include this file in tests in order to |
| // use these printers. If, however, you get a link error about these symbols, |
| // you need to make sure the blink_platform_test_support target is linked in |
| // your unit test binary. |
| void PrintTo(const AffineTransform&, std::ostream*); |
| void PrintTo(const TransformationMatrix&, std::ostream*); |
| |
| } // namespace blink |
| |
| #endif // TransformPrinters_h |
