| |
| /* |
| * Copyright 2011 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #include "SkAdvancedTypefaceMetrics.h" |
| #include "SkTypeface.h" |
| #include "SkFontHost.h" |
| |
| //#define TRACE_LIFECYCLE |
| |
| #ifdef TRACE_LIFECYCLE |
| static int32_t gTypefaceCounter; |
| #endif |
| |
| SkTypeface::SkTypeface(Style style, SkFontID fontID, bool isFixedWidth) |
| : fUniqueID(fontID), fStyle(style), fIsFixedWidth(isFixedWidth) { |
| #ifdef TRACE_LIFECYCLE |
| SkDebugf("SkTypeface: create %p fontID %d total %d\n", |
| this, fontID, ++gTypefaceCounter); |
| #endif |
| } |
| |
| SkTypeface::~SkTypeface() { |
| #ifdef TRACE_LIFECYCLE |
| SkDebugf("SkTypeface: destroy %p fontID %d total %d\n", |
| this, fUniqueID, --gTypefaceCounter); |
| #endif |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| 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); |
| } |