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https://github.com/jie65535/JChatGPT.git
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jie65535
23299b2ae7
Add cache-expiry profile maintenance and contextual injection, reorganize runtime code by responsibility, remove automatic favorability decay, and prepare version 1.15.0.
33 lines
1.1 KiB
Kotlin
33 lines
1.1 KiB
Kotlin
package top.jie65535.mirai.media
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import org.scilab.forge.jlatexmath.TeXConstants
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import org.scilab.forge.jlatexmath.TeXFormula
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import java.awt.Color
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import java.awt.Insets
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import java.awt.image.BufferedImage
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import java.io.ByteArrayOutputStream
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import javax.imageio.ImageIO
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import javax.swing.JLabel
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object LaTeXConverter {
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/**
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* 转换LaTeX到图片字节数组
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*/
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fun convertToImage(latexString: String, format: String = "png"): ByteArray {
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val formula = TeXFormula(latexString)
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val icon = formula.TeXIconBuilder().setStyle(TeXConstants.STYLE_DISPLAY).setSize(20f).build()
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icon.insets = Insets(5, 5, 5, 5)
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val image = BufferedImage(icon.iconWidth, icon.iconHeight, BufferedImage.TYPE_INT_ARGB)
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val g2 = image.createGraphics()
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g2.color = Color.white
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g2.fillRect(0, 0, icon.iconWidth, icon.iconHeight)
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val jl = JLabel()
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jl.setForeground(Color.black)
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icon.paintIcon(jl, g2, 0, 0)
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val stream = ByteArrayOutputStream()
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ImageIO.write(image, format, stream)
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return stream.toByteArray()
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}
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}
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