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comparison: gfx/thebes/gfxDWriteCommon.cpp
gfx/thebes/gfxDWriteCommon.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:ff559594d925 |
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "gfxDWriteCommon.h" | |
| 7 | |
| 8 IDWriteFontFileLoader* gfxDWriteFontFileLoader::mInstance = nullptr; | |
| 9 | |
| 10 HRESULT STDMETHODCALLTYPE | |
| 11 gfxDWriteFontFileLoader::CreateStreamFromKey(const void *fontFileReferenceKey, | |
| 12 UINT32 fontFileReferenceKeySize, | |
| 13 IDWriteFontFileStream **fontFileStream) | |
| 14 { | |
| 15 if (!fontFileReferenceKey || !fontFileStream) { | |
| 16 return E_POINTER; | |
| 17 } | |
| 18 | |
| 19 *fontFileStream = | |
| 20 new gfxDWriteFontFileStream( | |
| 21 static_cast<const ffReferenceKey*>(fontFileReferenceKey)->mArray); | |
| 22 | |
| 23 if (!*fontFileStream) { | |
| 24 return E_OUTOFMEMORY; | |
| 25 } | |
| 26 (*fontFileStream)->AddRef(); | |
| 27 return S_OK; | |
| 28 } | |
| 29 | |
| 30 gfxDWriteFontFileStream::gfxDWriteFontFileStream(FallibleTArray<uint8_t> *aData) | |
| 31 { | |
| 32 mData.SwapElements(*aData); | |
| 33 } | |
| 34 | |
| 35 gfxDWriteFontFileStream::~gfxDWriteFontFileStream() | |
| 36 { | |
| 37 } | |
| 38 | |
| 39 HRESULT STDMETHODCALLTYPE | |
| 40 gfxDWriteFontFileStream::GetFileSize(UINT64 *fileSize) | |
| 41 { | |
| 42 *fileSize = mData.Length(); | |
| 43 return S_OK; | |
| 44 } | |
| 45 | |
| 46 HRESULT STDMETHODCALLTYPE | |
| 47 gfxDWriteFontFileStream::GetLastWriteTime(UINT64 *lastWriteTime) | |
| 48 { | |
| 49 return E_NOTIMPL; | |
| 50 } | |
| 51 | |
| 52 HRESULT STDMETHODCALLTYPE | |
| 53 gfxDWriteFontFileStream::ReadFileFragment(const void **fragmentStart, | |
| 54 UINT64 fileOffset, | |
| 55 UINT64 fragmentSize, | |
| 56 void **fragmentContext) | |
| 57 { | |
| 58 // We are required to do bounds checking. | |
| 59 if (fileOffset + fragmentSize > (UINT64)mData.Length()) { | |
| 60 return E_FAIL; | |
| 61 } | |
| 62 // We should be alive for the duration of this. | |
| 63 *fragmentStart = &mData[fileOffset]; | |
| 64 *fragmentContext = nullptr; | |
| 65 return S_OK; | |
| 66 } | |
| 67 | |
| 68 void STDMETHODCALLTYPE | |
| 69 gfxDWriteFontFileStream::ReleaseFileFragment(void *fragmentContext) | |
| 70 { | |
| 71 } |
