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package org.jetbrains.skia.paragraph
import org.jetbrains.skia.ExternalSymbolName
import org.jetbrains.skia.impl.*
class LineMetrics(
/**
* The index in the text buffer the line begins.
*/
val startIndex: Int,
/**
* The index in the text buffer the line ends.
*/
val endIndex: Int,
/**
* The index in the text buffer the line ends.
*/
val endExcludingWhitespaces: Int,
/**
* The index in the text buffer the line begins.
*/
val endIncludingNewline: Int,
val isHardBreak: Boolean,
/**
* The final computed ascent for the line. This can be impacted by the strut, height,
* scaling, as well as outlying runs that are very tall. The top edge is
* `getBaseline() - getAscent()` and the bottom edge is `getBaseline() + getDescent()`.
* Ascent and descent are provided as positive numbers. These values are the cumulative metrics for the entire line.
*/
val ascent: Double,
/**
* The final computed descent for the line. This can be impacted by the strut, height,
* scaling, as well as outlying runs that are very tall. The top edge is
* `getBaseline() - getAscent()` and the bottom edge is `getBaseline() + getDescent()`.
* Ascent and descent are provided as positive numbers. These values are the cumulative metrics for the entire line.
*/
val descent: Double,
/**
* The final computed descent for the line. This can be impacted by the strut, height,
* scaling, as well as outlying runs that are very tall. The top edge is
* `getBaseline() - getAscent()` and the bottom edge is `getBaseline() + getDescent()`.
* Ascent and descent are provided as positive numbers. These values are the cumulative metrics for the entire line.
*/
val unscaledAscent: Double,
/**
* Total height of the paragraph including the current line.
*/
val height: Double,
/**
* Width of the line.
*/
val width: Double,
/**
* The left edge of the line.
*/
val left: Double,
/**
* The y position of the baseline for this line from the top of the paragraph.
*/
val baseline: Double,
/**
* Zero indexed line number
*/
val lineNumber: Int
) {
/**
* The final computed ascent for the line. This can be impacted by the strut, height,
* scaling, as well as outlying runs that are very tall. The top edge is
* `getBaseline() - getAscent()` and the bottom edge is `getBaseline() + getDescent()`.
* Ascent and descent are provided as positive numbers. These values are the cumulative metrics for the entire line.
*/
/**
* Total height of the paragraph including the current line.
*/
/**
* Width of the line.
*/
/**
* The left edge of the line.
*/
/**
* The y position of the baseline for this line from the top of the paragraph.
*/
/**
* Zero indexed line number
*/
/**
* The height of the current line, equals to `Math.round(getAscent() + getDescent())`.
*/
val lineHeight: Double
get() = ascent + descent
/**
* The right edge of the line, equals to `getLeft() + getWidth()`
*/
val right: Double
get() = left + width
override fun equals(other: Any?): Boolean {
if (other === this) return true
if (other !is LineMetrics) return false
if (startIndex != other.startIndex) return false
if (endIndex != other.endIndex) return false
if (endExcludingWhitespaces != other.endExcludingWhitespaces) return false
if (endIncludingNewline != other.endIncludingNewline) return false
if (isHardBreak != other.isHardBreak) return false
if (ascent.compareTo(other.ascent) != 0) return false
if (descent.compareTo(other.descent) != 0) return false
if (unscaledAscent.compareTo(other.unscaledAscent) != 0) return false
if (height.compareTo(other.height) != 0) return false
if (width.compareTo(other.width) != 0) return false
if (left.compareTo(other.left) != 0) return false
if (baseline.compareTo(other.baseline) != 0) return false
return lineNumber == other.lineNumber
}
override fun hashCode(): Int {
val PRIME = 59
var result = 1
result = result * PRIME + startIndex
result = result * PRIME + endIndex
result = result * PRIME + endExcludingWhitespaces
result = result * PRIME + endIncludingNewline
result = result * PRIME + if (isHardBreak) 79 else 97
result = result * PRIME + ascent.toBits().toInt()
result = result * PRIME + descent.toBits().toInt()
result = result * PRIME + unscaledAscent.toBits().toInt()
result = result * PRIME + height.toBits().toInt()
result = result * PRIME + width.toBits().toInt()
result = result * PRIME + left.toBits().toInt()
result = result * PRIME + baseline.toBits().toInt()
result = result * PRIME + lineNumber
return result
}
internal companion object : ArrayInteropDecoder {
override fun getArraySize(array: InteropPointer) = LineMetrics_nGetArraySize(array)
override fun disposeArray(array: InteropPointer) = LineMetrics_nDisposeArray(array)
override fun getArrayElement(array: InteropPointer, index: Int): LineMetrics {
val intArray = IntArray(6)
val doubleArray = DoubleArray(7)
interopScope {
LineMetrics_nGetArrayElement(array, index, toInterop(intArray), toInterop(doubleArray))
}
return LineMetrics(
intArray[0],
intArray[1],
intArray[2],
intArray[3],
intArray[4] != 0,
doubleArray[0],
doubleArray[1],
doubleArray[2],
doubleArray[3],
doubleArray[4],
doubleArray[5],
doubleArray[6],
intArray[5]
)
}
}
override fun toString(): String {
return "LineMetrics(_startIndex=$startIndex, _endIndex=$endIndex, _endExcludingWhitespaces=$endExcludingWhitespaces, _endIncludingNewline=$endIncludingNewline, _hardBreak=$isHardBreak, _ascent=$ascent, _descent=$descent, _unscaledAscent=$unscaledAscent, _height=$height, _width=$width, _left=$left, _baseline=$baseline, _lineNumber=$lineNumber)"
}
}
@ExternalSymbolName("org_jetbrains_skia_paragraph_LineMetrics__1nGetArraySize")
private external fun LineMetrics_nGetArraySize(array: InteropPointer): Int
@ExternalSymbolName("org_jetbrains_skia_paragraph_LineMetrics__1nDisposeArray")
private external fun LineMetrics_nDisposeArray(array: InteropPointer)
@ExternalSymbolName("org_jetbrains_skia_paragraph_LineMetrics__1nGetArrayElement")
private external fun LineMetrics_nGetArrayElement(array: InteropPointer, index: Int, longArgs: InteropPointer, doubleArgs: InteropPointer)
