From e2098c4936a9cf42d70fb2d14ef17c2540b5be5d Mon Sep 17 00:00:00 2001 From: Hal Canary Date: Wed, 20 Jun 2018 09:52:16 -0400 Subject: SkFontMgr.h is a core header. Change-Id: Idad3c8b6961bb617afedb8e353060b9044edaee3 Reviewed-on: https://skia-review.googlesource.com/136066 Commit-Queue: Hal Canary Reviewed-by: Ben Wagner Reviewed-by: Joe Gregorio Auto-Submit: Hal Canary --- include/ports/SkFontMgr.h | 168 ++-------------------------------------------- 1 file changed, 5 insertions(+), 163 deletions(-) (limited to 'include/ports') diff --git a/include/ports/SkFontMgr.h b/include/ports/SkFontMgr.h index 866af45949..d7c391bfa5 100644 --- a/include/ports/SkFontMgr.h +++ b/include/ports/SkFontMgr.h @@ -1,164 +1,6 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef SkFontMgr_DEFINED -#define SkFontMgr_DEFINED - -#include "SkFontArguments.h" -#include "SkFontStyle.h" -#include "SkRefCnt.h" -#include "SkTypes.h" - -class SkData; -class SkFontData; -class SkStreamAsset; -class SkString; -class SkTypeface; - -class SK_API SkFontStyleSet : public SkRefCnt { -public: - virtual int count() = 0; - virtual void getStyle(int index, SkFontStyle*, SkString* style) = 0; - virtual SkTypeface* createTypeface(int index) = 0; - virtual SkTypeface* matchStyle(const SkFontStyle& pattern) = 0; - - static SkFontStyleSet* CreateEmpty(); - -protected: - SkTypeface* matchStyleCSS3(const SkFontStyle& pattern); - -private: - typedef SkRefCnt INHERITED; -}; - -class SK_API SkFontMgr : public SkRefCnt { -public: - int countFamilies() const; - void getFamilyName(int index, SkString* familyName) const; - SkFontStyleSet* createStyleSet(int index) const; - - /** - * The caller must call unref() on the returned object. - * Never returns NULL; will return an empty set if the name is not found. - * - * Passing nullptr as the parameter will return the default system family. - * Note that most systems don't have a default system family, so passing nullptr will often - * result in the empty set. - * - * It is possible that this will return a style set not accessible from - * createStyleSet(int) due to hidden or auto-activated fonts. - */ - SkFontStyleSet* matchFamily(const char familyName[]) const; - - /** - * Find the closest matching typeface to the specified familyName and style - * and return a ref to it. The caller must call unref() on the returned - * object. Will never return NULL, as it will return the default font if - * no matching font is found. - * - * Passing |nullptr| as the parameter for |familyName| will return the - * default system font. - * - * It is possible that this will return a style set not accessible from - * createStyleSet(int) or matchFamily(const char[]) due to hidden or - * auto-activated fonts. - */ - SkTypeface* matchFamilyStyle(const char familyName[], const SkFontStyle&) const; - - /** - * Use the system fallback to find a typeface for the given character. - * Note that bcp47 is a combination of ISO 639, 15924, and 3166-1 codes, - * so it is fine to just pass a ISO 639 here. - * - * Will return NULL if no family can be found for the character - * in the system fallback. - * - * Passing |nullptr| as the parameter for |familyName| will return the - * default system font. - * - * bcp47[0] is the least significant fallback, bcp47[bcp47Count-1] is the - * most significant. If no specified bcp47 codes match, any font with the - * requested character will be matched. - */ - SkTypeface* matchFamilyStyleCharacter(const char familyName[], const SkFontStyle&, - const char* bcp47[], int bcp47Count, - SkUnichar character) const; - - SkTypeface* matchFaceStyle(const SkTypeface*, const SkFontStyle&) const; - - /** - * Create a typeface for the specified data and TTC index (pass 0 for none) - * or NULL if the data is not recognized. The caller must call unref() on - * the returned object if it is not null. - */ - sk_sp makeFromData(sk_sp, int ttcIndex = 0) const; - - /** - * Create a typeface for the specified stream and TTC index - * (pass 0 for none) or NULL if the stream is not recognized. The caller - * must call unref() on the returned object if it is not null. - */ - sk_sp makeFromStream(std::unique_ptr, int ttcIndex = 0) const; - - /* Experimental, API subject to change. */ - sk_sp makeFromStream(std::unique_ptr, const SkFontArguments&) const; - - /** - * Create a typeface from the specified font data. - * Will return NULL if the typeface could not be created. - * The caller must call unref() on the returned object if it is not null. - */ - sk_sp makeFromFontData(std::unique_ptr) const; - - /** - * Create a typeface for the specified fileName and TTC index - * (pass 0 for none) or NULL if the file is not found, or its contents are - * not recognized. The caller must call unref() on the returned object - * if it is not null. - */ - sk_sp makeFromFile(const char path[], int ttcIndex = 0) const; - - sk_sp legacyMakeTypeface(const char familyName[], SkFontStyle style) const; - - /** Return the default fontmgr. */ - static sk_sp RefDefault(); - -protected: - virtual int onCountFamilies() const = 0; - virtual void onGetFamilyName(int index, SkString* familyName) const = 0; - virtual SkFontStyleSet* onCreateStyleSet(int index)const = 0; - - /** May return NULL if the name is not found. */ - virtual SkFontStyleSet* onMatchFamily(const char familyName[]) const = 0; - - virtual SkTypeface* onMatchFamilyStyle(const char familyName[], - const SkFontStyle&) const = 0; - virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&, - const char* bcp47[], int bcp47Count, - SkUnichar character) const = 0; - virtual SkTypeface* onMatchFaceStyle(const SkTypeface*, - const SkFontStyle&) const = 0; - - virtual sk_sp onMakeFromData(sk_sp, int ttcIndex) const = 0; - virtual sk_sp onMakeFromStreamIndex(std::unique_ptr, - int ttcIndex) const = 0; - virtual sk_sp onMakeFromStreamArgs(std::unique_ptr, - const SkFontArguments&) const; - virtual sk_sp onMakeFromFontData(std::unique_ptr) const; - virtual sk_sp onMakeFromFile(const char path[], int ttcIndex) const = 0; - - virtual sk_sp onLegacyMakeTypeface(const char familyName[], SkFontStyle) const = 0; - -private: - - /** Implemented by porting layer to return the default factory. */ - static sk_sp Factory(); - - typedef SkRefCnt INHERITED; -}; - +// Copyright 2018 Google LLC. +// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. +#ifndef ports_SkFontMgr_DEFINED +#define ports_SkFontMgr_DEFINED +#include "../core/SkFontMgr.h" #endif -- cgit v1.2.3