jvmMain.vis.svgMapper.awt.RGBEncoderAwt.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lets-plot-common Show documentation

Lets-Plot JVM package without rendering part

There is a newer version: 4.5.3-alpha1

/*
 * Copyright (c) 2019. JetBrains s.r.o.
 * Use of this source code is governed by the MIT license that can be found in the LICENSE file.
 */

package jetbrains.datalore.vis.svgMapper.awt

import jetbrains.datalore.base.awt.toPngDataUri
import jetbrains.datalore.vis.svg.SvgImageElementEx.RGBEncoder

import java.awt.image.BufferedImage
import java.io.IOException

class RGBEncoderAwt : RGBEncoder {

    override fun toDataUrl(width: Int, height: Int, argbValues: IntArray): String {
        val bufferedImage = BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB)

        for (y in 0 until height) {
            for (x in 0 until width) {
                bufferedImage.setRGB(x, y, argbValues[y * width + x])
            }
        }

        try {
            return bufferedImage.toPngDataUri()
        } catch (e: IOException) {
            throw IllegalArgumentException("Can't build image $width X $height", e)
        }

    }
}