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November 1, 2020 07:23
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Javaで画像として文字を出力する(Kotlinだけど)
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import java.awt.Color | |
import java.awt.Font | |
import java.awt.image.BufferedImage | |
import java.io.File | |
import javax.imageio.ImageIO | |
fun main(args: Array<String>) { | |
val img = BufferedImage(28 * 7, 40, BufferedImage.TYPE_3BYTE_BGR) | |
val g = img.graphics | |
g.color = Color.WHITE | |
g.fillRect(0, 0, 28 * 7, 40) | |
g.color = Color.BLACK | |
g.font = Font("Arial", Font.PLAIN, 28) | |
g.drawString("あいうえお憂鬱", 0, 28) | |
val m = g.fontMetrics | |
println("height:" + m.height) | |
println("width:" + m.stringWidth("あ")) | |
g.color = Color.RED | |
g.drawRect(0, 0, 27, 33) | |
g.color = Color.BLUE | |
g.drawRect(0, 0, 27, 28) | |
g.color = Color.RED | |
g.drawRect(28, 0, 27, 33) | |
g.drawRect(56, 0, 27, 33) | |
g.drawRect(84, 0, 27, 33) | |
g.drawRect(112, 0, 27, 33) | |
g.drawRect(140, 0, 27, 33) | |
g.drawRect(168, 0, 27, 33) | |
g.dispose() | |
ImageIO.write(img, "png", File("test.png")) | |
println("hello world") | |
} |
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参考元のページ
https://www.javalife.jp/2018/02/28/post-462/