diff options
author | Hal Canary <halcanary@google.com> | 2018-06-20 09:52:16 -0400 |
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committer | Skia Commit-Bot <skia-commit-bot@chromium.org> | 2018-06-20 14:46:28 +0000 |
commit | e2098c4936a9cf42d70fb2d14ef17c2540b5be5d (patch) | |
tree | 3e1f35aba7f8675889b5d70bf8b983072d3907dd | |
parent | 2c74c32a56025a872ddb05e851f071cd38f253fa (diff) |
SkFontMgr.h is a core header.
Change-Id: Idad3c8b6961bb617afedb8e353060b9044edaee3
Reviewed-on: https://skia-review.googlesource.com/136066
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
-rw-r--r-- | gn/core.gni | 1 | ||||
-rw-r--r-- | include/core/SkFontMgr.h | 164 | ||||
-rw-r--r-- | include/ports/SkFontMgr.h | 168 |
3 files changed, 170 insertions, 163 deletions
diff --git a/gn/core.gni b/gn/core.gni index 9761dcccbe..9d31f58fc3 100644 --- a/gn/core.gni +++ b/gn/core.gni @@ -400,6 +400,7 @@ skia_core_sources = [ "$_include/core/SkFlattenable.h", "$_include/core/SkFontArguments.h", "$_include/core/SkFontLCDConfig.h", + "$_include/core/SkFontMgr.h", "$_include/core/SkFontStyle.h", "$_include/core/SkGraphics.h", "$_include/core/SkImage.h", diff --git a/include/core/SkFontMgr.h b/include/core/SkFontMgr.h new file mode 100644 index 0000000000..866af45949 --- /dev/null +++ b/include/core/SkFontMgr.h @@ -0,0 +1,164 @@ +/* + * 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<SkTypeface> makeFromData(sk_sp<SkData>, 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<SkTypeface> makeFromStream(std::unique_ptr<SkStreamAsset>, int ttcIndex = 0) const; + + /* Experimental, API subject to change. */ + sk_sp<SkTypeface> makeFromStream(std::unique_ptr<SkStreamAsset>, 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<SkTypeface> makeFromFontData(std::unique_ptr<SkFontData>) 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<SkTypeface> makeFromFile(const char path[], int ttcIndex = 0) const; + + sk_sp<SkTypeface> legacyMakeTypeface(const char familyName[], SkFontStyle style) const; + + /** Return the default fontmgr. */ + static sk_sp<SkFontMgr> 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<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const = 0; + virtual sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>, + int ttcIndex) const = 0; + virtual sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>, + const SkFontArguments&) const; + virtual sk_sp<SkTypeface> onMakeFromFontData(std::unique_ptr<SkFontData>) const; + virtual sk_sp<SkTypeface> onMakeFromFile(const char path[], int ttcIndex) const = 0; + + virtual sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[], SkFontStyle) const = 0; + +private: + + /** Implemented by porting layer to return the default factory. */ + static sk_sp<SkFontMgr> Factory(); + + typedef SkRefCnt INHERITED; +}; + +#endif 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<SkTypeface> makeFromData(sk_sp<SkData>, 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<SkTypeface> makeFromStream(std::unique_ptr<SkStreamAsset>, int ttcIndex = 0) const; - - /* Experimental, API subject to change. */ - sk_sp<SkTypeface> makeFromStream(std::unique_ptr<SkStreamAsset>, 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<SkTypeface> makeFromFontData(std::unique_ptr<SkFontData>) 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<SkTypeface> makeFromFile(const char path[], int ttcIndex = 0) const; - - sk_sp<SkTypeface> legacyMakeTypeface(const char familyName[], SkFontStyle style) const; - - /** Return the default fontmgr. */ - static sk_sp<SkFontMgr> 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<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const = 0; - virtual sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>, - int ttcIndex) const = 0; - virtual sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>, - const SkFontArguments&) const; - virtual sk_sp<SkTypeface> onMakeFromFontData(std::unique_ptr<SkFontData>) const; - virtual sk_sp<SkTypeface> onMakeFromFile(const char path[], int ttcIndex) const = 0; - - virtual sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[], SkFontStyle) const = 0; - -private: - - /** Implemented by porting layer to return the default factory. */ - static sk_sp<SkFontMgr> 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 |