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Side by Side Diff: trunk/include/core/SkFontHost.h

Issue 13001002: remove GetTable* APIs from SkFontHost, and rely on SkTypeface::onGetTable* (Closed) Base URL: http://skia.googlecode.com/svn/
Patch Set: Created 7 years, 9 months ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #ifndef SkFontHost_DEFINED 10 #ifndef SkFontHost_DEFINED
(...skipping 207 matching lines...) Expand 10 before | Expand all | Expand 10 after
218 id. Passing NULL means all glyphs in the font. 218 id. Passing NULL means all glyphs in the font.
219 @param glyphIDsCount Number of elements in subsetGlyphIds. Ignored if 219 @param glyphIDsCount Number of elements in subsetGlyphIds. Ignored if
220 glyphIDs is NULL. 220 glyphIDs is NULL.
221 */ 221 */
222 static SkAdvancedTypefaceMetrics* GetAdvancedTypefaceMetrics( 222 static SkAdvancedTypefaceMetrics* GetAdvancedTypefaceMetrics(
223 SkFontID fontID, 223 SkFontID fontID,
224 SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo, 224 SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
225 const uint32_t* glyphIDs, 225 const uint32_t* glyphIDs,
226 uint32_t glyphIDsCount); 226 uint32_t glyphIDsCount);
227 227
228 /** Return the number of tables in the font
229 */
230 static int CountTables(SkFontID);
231
232 /** Copy into tags[] (allocated by the caller) the list of table tags in
233 the font, and return the number. This will be the same as CountTables()
234 or 0 if an error occured.
235 */
236 static int GetTableTags(SkFontID, SkFontTableTag[]);
237
238 /** Given a table tag, return the size of its contents, or 0 if not present
239 */
240 static size_t GetTableSize(SkFontID, SkFontTableTag);
241
242 /** Copy the contents of a table into data (allocated by the caller). Note
243 that the contents of the table will be in their native endian order
244 (which for most truetype tables is big endian). If the table tag is
245 not found, or there is an error copying the data, then 0 is returned.
246 If this happens, it is possible that some or all of the memory pointed
247 to by data may have been written to, even though an error has occured.
248
249 @param fontID the font to copy the table from
250 @param tag The table tag whose contents are to be copied
251 @param offset The offset in bytes into the table's contents where the
252 copy should start from.
253 @param length The number of bytes, starting at offset, of table data
254 to copy.
255 @param data storage address where the table contents are copied to
256 @return the number of bytes actually copied into data. If offset+length
257 exceeds the table's size, then only the bytes up to the table's
258 size are actually copied, and this is the value returned. If
259 offset > the table's size, or tag is not a valid table,
260 then 0 is returned.
261 */
262 static size_t GetTableData(SkFontID fontID, SkFontTableTag tag,
263 size_t offset, size_t length, void* data);
264
265 /////////////////////////////////////////////////////////////////////////// 228 ///////////////////////////////////////////////////////////////////////////
266 229
267 friend class SkTypeface; 230 friend class SkTypeface;
268 }; 231 };
269 232
270 #endif 233 #endif
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