AuroraMiddleware/skia2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

move fontmgr into include/ports for now

Browse Source 
git-svn-id: http://skia.googlecode.com/svn/trunk@8370 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2013-03-25 18:44:17 +00:00
parent c26d94fd7d
commit c452d82c82
3 changed files with 144 additions and 126 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

126
experimental/SkFontMgr.h
View File

@ -1,126 +0,0 @@
/*
* 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 "SkRefCnt.h"
class SkData;
class SkStream;
class SkString;
class SkFontStyle {
public:
enum Weight {
kThin_Weight = 100,
kExtraLight_Weight = 200,
kLight_Weight = 300,
kNormal_Weight = 400,
kMedium_Weight = 500,
kSemiBold_Weight = 600,
kBold_Weight = 700,
kExtraBold_Weight = 800,
kBlack_Weight = 900
};
enum Width {
kUltraCondensed_Width = 1,
kExtraCondensed_Width = 2,
kCondensed_Width = 3,
kSemiCondensed_Width = 4,
kNormal_Width = 5,
kSemiExpanded_Width = 6,
kExpanded_Width = 7,
kExtraExpanded_Width = 8,
kUltaExpanded_Width = 9
};
enum Flags {
kItalic_Flag = 1 << 0,
};
SkFontStyle();
SkFontStyle(int weight, int width, unsigned flags);
bool operator==(const SkFontStyle&) const {
return fUnion.fU32 == other.fUnion.fU32;
}
int weight() const { return fUnion.fR.fWeight; }
int width() const { return fUnion.fR.fWidth; }
unsigned flags() const { return fUnion.fR.fFlags; }
bool isItalic() const {
return SkToBool(fUnion.fR.fFlags & kItalic_Flag);
}
private:
union {
struct {
uint16_t fWeight; // 100 ... 900
uint8_t fWidth; // 1 .. 9
uint8_t fFlags;
} fR;
uint32_t fU32;
} fUnion;
};
class SkFontMgr : public SkRefCnt {
public:
/**
* SkData contains an array of [const char*]
*/
SkData* refFamilyNames();
/**
* Given a familyName, if a corresponding family is found, return
* the array of available styles in SkData (as [SkFontStyle]).
*
* If foundFamilyName is not null, set it to the actual familyName for the
* found family.
*/
SkData* refFamilyStyles(const char familyName[], SkString* foundFamilyName);
/**
* 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.
*
* If foundFamilyName is not null, set it to the actual familyName for the
* returned typeface.
*/
SkTypeface* matchFamilyName(const char familyName[], const Desc&,
SkString* foundFamilyName);
/**
* 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.
*/
SkTypeface* createFromData(SkData*, int ttcIndex = 0);
/**
* 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.
*/
SkTypeface* createFromStream(SkStream*, int ttcIndex = 0);
/**
* 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.
*/
SkTypeface* createFromFile(const char path[], int ttcIndex = 0);
private:
typedef SkRefCnt INHERITED;
};
#endif

75
include/ports/SkFontMgr.h Normal file
View File

@ -0,0 +1,75 @@
/*
* 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 "SkRefCnt.h"
#include "SkFontStyle.h"
class SkData;
class SkStream;
class SkString;
class SkFontStyleSet : public SkRefCnt {
public:
int count() const;
void getStyle(int index, SkFontStyle*) const;
SkTypeface* createTypeface(int index) const;
};
class SkFontFamilySet : public SkRefCnt {
public:
int count() const;
void getName(int index, SkString* familyName) const;
SkFontStyleSet* refStyleSet(int index) const;
};
class SkFontMgr : public SkRefCnt {
public:
/**
* Return a fontfamily set, which can iterate all of the font families
* available to this fontmgr. The caller is responsible for calling unref()
* on the returned object. Will never return NULL.
*/
SkFontFamilySet* createFamilySet();
/**
* 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.
*/
SkTypeface* matchFamilyStyle(const char familyName[], const SkFontStyle&);
/**
* 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.
*/
SkTypeface* createFromData(SkData*, int ttcIndex = 0);
/**
* 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.
*/
SkTypeface* createFromStream(SkStream*, int ttcIndex = 0);
/**
* 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.
*/
SkTypeface* createFromFile(const char path[], int ttcIndex = 0);
private:
typedef SkRefCnt INHERITED;
};
#endif

69
include/ports/SkFontStyle.h Normal file
View File

@ -0,0 +1,69 @@
/*
* 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 "SkTypes.h"
class SkFontStyle {
public:
enum Weight {
kThin_Weight = 100,
kExtraLight_Weight = 200,
kLight_Weight = 300,
kNormal_Weight = 400,
kMedium_Weight = 500,
kSemiBold_Weight = 600,
kBold_Weight = 700,
kExtraBold_Weight = 800,
kBlack_Weight = 900
};
enum Width {
kUltraCondensed_Width = 1,
kExtraCondensed_Width = 2,
kCondensed_Width = 3,
kSemiCondensed_Width = 4,
kNormal_Width = 5,
kSemiExpanded_Width = 6,
kExpanded_Width = 7,
kExtraExpanded_Width = 8,
kUltaExpanded_Width = 9
};
enum Slant {
kUpright_Slant,
kItalic_Slant,
};
SkFontStyle();
SkFontStyle(int weight, int width, Slant);
bool operator==(const SkFontStyle& rhs) const {
return fUnion.fU32 == rhs.fUnion.fU32;
}
int weight() const { return fUnion.fR.fWeight; }
int width() const { return fUnion.fR.fWidth; }
bool isItalic() const {
return kItalic_Slant == fUnion.fR.fSlant;
}
private:
union {
struct {
uint16_t fWeight; // 100 .. 900
uint8_t fWidth; // 1 .. 9
uint8_t fSlant; // 0 .. 2
} fR;
uint32_t fU32;
} fUnion;
};
#endif