| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "SkAdvancedTypefaceMetrics.h" |
| #include "SkTypeface.h" |
| #include "SkFontHost.h" |
| |
| uint32_t SkTypeface::UniqueID(const SkTypeface* face) { |
| if (face) { |
| return face->uniqueID(); |
| } |
| |
| // We cache the default fontID, assuming it will not change during a boot |
| // The initial value of 0 is fine, since a typeface's uniqueID should not |
| // be zero. |
| static uint32_t gDefaultFontID; |
| |
| if (0 == gDefaultFontID) { |
| SkTypeface* defaultFace = |
| SkFontHost::CreateTypeface(NULL, NULL, NULL, 0, |
| SkTypeface::kNormal); |
| SkASSERT(defaultFace); |
| gDefaultFontID = defaultFace->uniqueID(); |
| defaultFace->unref(); |
| } |
| return gDefaultFontID; |
| } |
| |
| bool SkTypeface::Equal(const SkTypeface* facea, const SkTypeface* faceb) { |
| return SkTypeface::UniqueID(facea) == SkTypeface::UniqueID(faceb); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| SkTypeface* SkTypeface::CreateFromName(const char name[], Style style) { |
| return SkFontHost::CreateTypeface(NULL, name, NULL, 0, style); |
| } |
| |
| SkTypeface* SkTypeface::CreateForChars(const void* data, size_t bytelength, |
| Style s) { |
| return SkFontHost::CreateTypeface(NULL, NULL, data, bytelength, s); |
| } |
| |
| SkTypeface* SkTypeface::CreateFromTypeface(const SkTypeface* family, Style s) { |
| return SkFontHost::CreateTypeface(family, NULL, NULL, 0, s); |
| } |
| |
| SkTypeface* SkTypeface::CreateFromStream(SkStream* stream) { |
| return SkFontHost::CreateTypefaceFromStream(stream); |
| } |
| |
| SkTypeface* SkTypeface::CreateFromFile(const char path[]) { |
| return SkFontHost::CreateTypefaceFromFile(path); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void SkTypeface::serialize(SkWStream* stream) const { |
| SkFontHost::Serialize(this, stream); |
| } |
| |
| SkTypeface* SkTypeface::Deserialize(SkStream* stream) { |
| return SkFontHost::Deserialize(stream); |
| } |
| |
| SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics( |
| SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) const { |
| return SkFontHost::GetAdvancedTypefaceMetrics(fUniqueID, perGlyphInfo); |
| } |
| |
| // Temporary: for transitions purposes only. |
| SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics( |
| bool perGlyphInfo) const { |
| SkASSERT(!perGlyphInfo); |
| return SkFontHost::GetAdvancedTypefaceMetrics( |
| fUniqueID, |
| SkAdvancedTypefaceMetrics::kNo_PerGlyphInfo); |
| } |