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package org.jetbrains.skia
import org.jetbrains.skia.impl.*
import org.jetbrains.skia.impl.Library.Companion.staticLoad
open class FontMgr : RefCnt {
companion object {
init {
staticLoad()
}
val default = FontMgr(_nDefault(), false)
}
val familiesCount: Int
get() = try {
Stats.onNativeCall()
_nGetFamiliesCount(_ptr)
} finally {
reachabilityBarrier(this)
}
fun getFamilyName(index: Int): String =
try {
Stats.onNativeCall()
withStringResult {
_nGetFamilyName(_ptr, index)
}
} finally {
reachabilityBarrier(this)
}
fun makeStyleSet(index: Int): FontStyleSet? =
try {
Stats.onNativeCall()
val ptr = _nMakeStyleSet(_ptr, index)
if (ptr == NullPointer) null else FontStyleSet(ptr)
} finally {
reachabilityBarrier(this)
}
/**
* The caller must call [close] on the returned object.
* Never returns `null`; will return an empty set if the name is not found.
*
* Passing `null` as the parameter will return the default system family.
* Note that most systems don't have a default system family, so passing
* `null` will often result in the empty set.
*
* It is possible that this will return a style set not accessible from
* [makeStyleSet] due to hidden or auto-activated fonts.
*/
fun matchFamily(familyName: String?): FontStyleSet =
try {
Stats.onNativeCall()
interopScope { FontStyleSet(_nMatchFamily(_ptr, toInterop(familyName))) }
} finally {
reachabilityBarrier(this)
}
/**
* Find the closest matching typeface to the specified [familyName] and [style]
* and return it. The caller must call [close] on the returned
* object. Will return `null` if no 'good' match is found.
*
* Passing `null` as the value for [familyName] will return the
* default system font.
*
* It is possible that this will return a style set not accessible from
* [makeStyleSet] or [matchFamily] due to hidden or
* auto-activated fonts.
*/
fun matchFamilyStyle(familyName: String?, style: FontStyle): Typeface? =
try {
Stats.onNativeCall()
val ptr = interopScope { _nMatchFamilyStyle(_ptr, toInterop(familyName), style._value) }
if (ptr == NullPointer) null else Typeface(ptr)
} finally {
reachabilityBarrier(this)
}
fun matchFamiliesStyle(families: Array, style: FontStyle): Typeface? {
for (family in families) {
val typeface = matchFamilyStyle(family, style)
if (typeface != null) return typeface
}
return null
}
/**
* 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 `null` as the value for [familyName] will return the
* default system font.
*
* `bcp47[0]` is the least significant fallback, `bcp47[bcp47.length-1]` is the
* most significant. If no specified bcp47 codes match, any font with the
* requested character will be matched.
*/
fun matchFamilyStyleCharacter(
familyName: String?,
style: FontStyle,
bcp47: Array?,
character: Int
): Typeface? =
try {
Stats.onNativeCall()
val ptr = interopScope {
_nMatchFamilyStyleCharacter(
_ptr,
toInterop(familyName),
style._value,
toInterop(bcp47 ?: emptyArray()),
bcp47?.size ?: 0,
character
)
}
if (ptr == NullPointer) null else Typeface(ptr)
} finally {
reachabilityBarrier(this)
}
fun matchFamiliesStyleCharacter(
families: Array,
style: FontStyle,
bcp47: Array?,
character: Int
): Typeface? {
for (family in families) {
val typeface = matchFamilyStyleCharacter(family, style, bcp47, character)
if (typeface != null) return typeface
}
return null
}
/**
* 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 [close] on
* the returned object if it is not null.
*/
fun makeFromData(data: Data?, ttcIndex: Int = 0): Typeface? =
try {
Stats.onNativeCall()
val ptr =
_nMakeFromData(_ptr, getPtr(data), ttcIndex)
if (ptr == NullPointer) null else Typeface(ptr)
} finally {
reachabilityBarrier(this)
reachabilityBarrier(data)
}
internal constructor(ptr: NativePointer) : super(ptr)
internal constructor(ptr: NativePointer, allowClose: Boolean) : super(ptr, allowClose)
}
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nGetFamiliesCount")
private external fun _nGetFamiliesCount(ptr: NativePointer): Int
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nGetFamilyName")
private external fun _nGetFamilyName(ptr: NativePointer, index: Int): NativePointer
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nMakeStyleSet")
private external fun _nMakeStyleSet(ptr: NativePointer, index: Int): NativePointer
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nMatchFamily")
private external fun _nMatchFamily(ptr: NativePointer, familyName: InteropPointer): NativePointer
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nMatchFamilyStyle")
private external fun _nMatchFamilyStyle(ptr: NativePointer, familyName: InteropPointer, fontStyle: Int): NativePointer
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nMatchFamilyStyleCharacter")
private external fun _nMatchFamilyStyleCharacter(
ptr: NativePointer,
familyName: InteropPointer,
fontStyle: Int,
bcp47: InteropPointer,
bcp47size: Int,
character: Int
): NativePointer
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nMakeFromData")
private external fun _nMakeFromData(ptr: NativePointer, dataPtr: NativePointer, ttcIndex: Int): NativePointer
@ExternalSymbolName("org_jetbrains_skia_FontMgr__1nDefault")
private external fun _nDefault(): NativePointer
