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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkTypes.h" | 8 #include "SkTypes.h" |
9 #include "SkDWriteFontFileStream.h" | 9 #include "SkDWriteFontFileStream.h" |
10 #include "SkHRESULT.h" | 10 #include "SkHRESULT.h" |
11 #include "SkTemplates.h" | 11 #include "SkTemplates.h" |
12 #include "SkTFitsIn.h" | |
12 #include "SkTScopedComPtr.h" | 13 #include "SkTScopedComPtr.h" |
13 | 14 |
14 #include <dwrite.h> | 15 #include <dwrite.h> |
15 #include <limits> | 16 #include <limits> |
bungeman-skia
2013/07/10 22:06:17
After converting the other one, this can be remove
| |
16 | 17 |
17 /////////////////////////////////////////////////////////////////////////////// | 18 /////////////////////////////////////////////////////////////////////////////// |
18 // SkIDWriteFontFileStream | 19 // SkIDWriteFontFileStream |
19 | 20 |
20 SkDWriteFontFileStream::SkDWriteFontFileStream(IDWriteFontFileStream* fontFileSt ream) | 21 SkDWriteFontFileStream::SkDWriteFontFileStream(IDWriteFontFileStream* fontFileSt ream) |
21 : fFontFileStream(SkRefComPtr(fontFileStream)) | 22 : fFontFileStream(SkRefComPtr(fontFileStream)) |
22 , fPos(0) | 23 , fPos(0) |
23 , fLockedMemory(NULL) | 24 , fLockedMemory(NULL) |
24 , fFragmentLock(NULL) { | 25 , fFragmentLock(NULL) { |
25 } | 26 } |
(...skipping 150 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
176 { | 177 { |
177 // The loader is responsible for doing a bounds check. | 178 // The loader is responsible for doing a bounds check. |
178 UINT64 fileSize; | 179 UINT64 fileSize; |
179 this->GetFileSize(&fileSize); | 180 this->GetFileSize(&fileSize); |
180 if (fileOffset > fileSize || fragmentSize > fileSize - fileOffset) { | 181 if (fileOffset > fileSize || fragmentSize > fileSize - fileOffset) { |
181 *fragmentStart = NULL; | 182 *fragmentStart = NULL; |
182 *fragmentContext = NULL; | 183 *fragmentContext = NULL; |
183 return E_FAIL; | 184 return E_FAIL; |
184 } | 185 } |
185 | 186 |
186 if (fileOffset + fragmentSize > (std::numeric_limits<size_t>::max)()) { | 187 if (fileOffset + fragmentSize > (std::numeric_limits<size_t>::max)()) { |
bungeman-skia
2013/07/10 22:06:17
Missed this one.
Done
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187 return E_FAIL; | 188 return E_FAIL; |
188 } | 189 } |
189 | 190 |
190 const void* data = fStream->getMemoryBase(); | 191 const void* data = fStream->getMemoryBase(); |
191 if (NULL != data) { | 192 if (NULL != data) { |
192 *fragmentStart = static_cast<BYTE const*>(data) + static_cast<size_t>(fi leOffset); | 193 *fragmentStart = static_cast<BYTE const*>(data) + static_cast<size_t>(fi leOffset); |
193 *fragmentContext = NULL; | 194 *fragmentContext = NULL; |
194 | 195 |
195 } else { | 196 } else { |
196 //May be called from multiple threads. | 197 //May be called from multiple threads. |
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223 HRESULT STDMETHODCALLTYPE SkDWriteFontFileStreamWrapper::GetFileSize(UINT64* fil eSize) { | 224 HRESULT STDMETHODCALLTYPE SkDWriteFontFileStreamWrapper::GetFileSize(UINT64* fil eSize) { |
224 *fileSize = fStream->getLength(); | 225 *fileSize = fStream->getLength(); |
225 return S_OK; | 226 return S_OK; |
226 } | 227 } |
227 | 228 |
228 HRESULT STDMETHODCALLTYPE SkDWriteFontFileStreamWrapper::GetLastWriteTime(UINT64 * lastWriteTime) { | 229 HRESULT STDMETHODCALLTYPE SkDWriteFontFileStreamWrapper::GetLastWriteTime(UINT64 * lastWriteTime) { |
229 // The concept of last write time does not apply to this loader. | 230 // The concept of last write time does not apply to this loader. |
230 *lastWriteTime = 0; | 231 *lastWriteTime = 0; |
231 return E_NOTIMPL; | 232 return E_NOTIMPL; |
232 } | 233 } |
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