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package org.jetbrains.skia
import org.jetbrains.skia.impl.InteropPointer
import org.jetbrains.skia.impl.InteropScope
import org.jetbrains.skia.impl.withResult
class FontMetrics(
/**
* greatest extent above origin of any glyph bounding box, typically negative; deprecated with variable fonts
*/
val top: Float,
/**
* distance to reserve above baseline, typically negative
*/
val ascent: Float,
/**
* distance to reserve below baseline, typically positive
*/
val descent: Float,
/**
* greatest extent below origin of any glyph bounding box, typically positive; deprecated with variable fonts
*/
val bottom: Float,
/**
* distance to add between lines, typically positive or zero
*/
val leading: Float,
/**
* average character width, zero if unknown
*/
val avgCharWidth: Float,
/**
* maximum character width, zero if unknown
*/
val maxCharWidth: Float,
/**
* greatest extent to left of origin of any glyph bounding box, typically negative; deprecated with variable fonts
*/
val xMin: Float,
/**
* greatest extent to right of origin of any glyph bounding box, typically positive; deprecated with variable fonts
*/
val xMax: Float,
/**
* height of lower-case 'x', zero if unknown, typically negative
*/
val xHeight: Float,
/**
* height of an upper-case letter, zero if unknown, typically negative
*/
val capHeight: Float,
/**
* underline thickness
*/
val underlineThickness: Float?,
/**
* distance from baseline to top of stroke, typically positive
*/
val underlinePosition: Float?,
/**
* strikeout thickness
*/
val strikeoutThickness: Float?,
/**
* distance from baseline to bottom of stroke, typically negative
*/
val strikeoutPosition: Float?
) {
/**
* greatest extent above origin of any glyph bounding box, typically negative; deprecated with variable fonts
*/
/**
* distance to reserve above baseline, typically negative
*/
/**
* distance to reserve below baseline, typically positive
*/
/**
* greatest extent below origin of any glyph bounding box, typically positive; deprecated with variable fonts
*/
/**
* distance to add between lines, typically positive or zero
*/
/**
* average character width, zero if unknown
*/
/**
* maximum character width, zero if unknown
*/
/**
* greatest extent to left of origin of any glyph bounding box, typically negative; deprecated with variable fonts
*/
/**
* greatest extent to right of origin of any glyph bounding box, typically positive; deprecated with variable fonts
*/
/**
* height of lower-case 'x', zero if unknown, typically negative
*/
/**
* height of an upper-case letter, zero if unknown, typically negative
*/
/**
* underline thickness
*/
/**
* distance from baseline to top of stroke, typically positive
*/
/**
* strikeout thickness
*/
/**
* distance from baseline to bottom of stroke, typically negative
*/
val height: Float
get() = descent - ascent
override fun equals(other: Any?): Boolean {
if (other === this) return true
if (other !is FontMetrics) return false
if (top.compareTo(other.top) != 0) return false
if (ascent.compareTo(other.ascent) != 0) return false
if (descent.compareTo(other.descent) != 0) return false
if (bottom.compareTo(other.bottom) != 0) return false
if (leading.compareTo(other.leading) != 0) return false
if (avgCharWidth.compareTo(other.avgCharWidth) != 0) return false
if (maxCharWidth.compareTo(other.maxCharWidth) != 0) return false
if (xMin.compareTo(other.xMin) != 0) return false
if (xMax.compareTo(other.xMax) != 0) return false
if (xHeight.compareTo(other.xHeight) != 0) return false
if (capHeight.compareTo(other.capHeight) != 0) return false
if (if (this.underlineThickness == null) other.underlineThickness != null else this.underlineThickness != other.underlineThickness) return false
if (if (this.underlinePosition == null) other.underlinePosition != null else this.underlinePosition != other.underlinePosition) return false
if (if (this.strikeoutThickness == null) other.strikeoutThickness != null else this.strikeoutThickness != other.strikeoutThickness) return false
return !if (this.strikeoutPosition == null) other.strikeoutPosition != null else this.strikeoutPosition != other.strikeoutPosition
}
override fun hashCode(): Int {
val PRIME = 59
var result = 1
result = result * PRIME + top.toBits()
result = result * PRIME + ascent.toBits()
result = result * PRIME + descent.toBits()
result = result * PRIME + bottom.toBits()
result = result * PRIME + leading.toBits()
result = result * PRIME + avgCharWidth.toBits()
result = result * PRIME + maxCharWidth.toBits()
result = result * PRIME + xMin.toBits()
result = result * PRIME + xMax.toBits()
result = result * PRIME + xHeight.toBits()
result = result * PRIME + capHeight.toBits()
result = result * PRIME + underlineThickness.hashCode()
result = result * PRIME + underlinePosition.hashCode()
result = result * PRIME + strikeoutThickness.hashCode()
result = result * PRIME + strikeoutPosition.hashCode()
return result
}
override fun toString(): String {
return "FontMetrics(_top=$top, _ascent=$ascent, _descent=$descent, _bottom=$bottom, _leading=$leading, _avgCharWidth=$avgCharWidth, _maxCharWidth=$maxCharWidth, _xMin=$xMin, _xMax=$xMax, _xHeight=$xHeight, _capHeight=$capHeight, _underlineThickness=$underlineThickness, _underlinePosition=$underlinePosition, _strikeoutThickness=$strikeoutThickness, _strikeoutPosition=$strikeoutPosition)"
}
companion object
}
private inline fun Float.asNumberOrNull(): Float? = if (isNaN()) null else this
private fun FontMetrics.Companion.fromRawData(rawData: FloatArray) = FontMetrics(
rawData[0],
rawData[1],
rawData[2],
rawData[3],
rawData[4],
rawData[5],
rawData[6],
rawData[7],
rawData[8],
rawData[9],
rawData[10],
rawData[11].asNumberOrNull(),
rawData[12].asNumberOrNull(),
rawData[13].asNumberOrNull(),
rawData[14].asNumberOrNull()
)
internal fun FontMetrics.Companion.fromInteropPointer(block: InteropScope.(InteropPointer) -> Unit) = fromRawData(withResult(FloatArray(15), block))
