How to add watermarks to Java
This article will explain in detail how to add watermarks to Java. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.
JAVA/JSP adds text to pictures or pictures to pictures.
Import java.awt.Color
Import java.awt.Font
Import java.awt.Graphics
Import java.awt.Image
Import java.awt.image.BufferedImage
Import java.io.File
Import java.io.FileOutputStream
Import javax.imageio.ImageIO
Import com.sun.image.codec.jpeg.JPEGCodec
Import com.sun.image.codec.jpeg.JPEGImageEncoder
Public final class ImageUtils {
Public ImageUtils () {
}
/ *
* public final static String getPressImgPath () {return ApplicationContext
* .getRealPath ("/ template/data/util/shuiyin.gif");}
, /
/ *
* print the picture onto the picture
*
* @ param pressImg--
* Watermark file
* @ param targetImg--
* Target file
* @ param x
*-x coordinates
* @ param y
*-y coordinates
, /
Public final static void pressImage (String pressImg, String targetImg
Int x, int y) {
Try {
/ / Target file
File _ file = new File (targetImg)
Image src = ImageIO.read (_ file)
Int wideth = src.getWidth (null)
Int height = src.getHeight (null)
BufferedImage image = new BufferedImage (wideth, height
BufferedImage.TYPE_INT_RGB)
Graphics g = image.createGraphics ()
G.drawImage (src, 0,0, wideth, height, null)
/ / Watermark file
File _ filebiao = new File (pressImg)
Image src_biao = ImageIO.read (_ filebiao)
Int wideth_biao = src_biao.getWidth (null)
Int height_biao = src_biao.getHeight (null)
G.drawImage (src_biao, (wideth-wideth_biao) / 2
(height-height_biao) / 2, wideth_biao, height_biao, null)
/ / end of watermark file
G.dispose ()
FileOutputStream out = new FileOutputStream (targetImg)
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder (out)
Encoder.encode (image)
Out.close ()
} catch (Exception e) {
E.printStackTrace ()
}
}
/ *
* print text watermark image
*
* @ param pressText
*-text
* @ param targetImg--
* Target image
* @ param fontName--
* Font name
* @ param fontStyle--
* Font style
* @ param color--
* font color
* @ param fontSize--
* Font size
* @ param x--
* offset
* @ param y
, /
Public static void pressText (String pressText, String targetImg
String fontName, int fontStyle, int color, int fontSize, int x
Int y) {
Try {
File _ file = new File (targetImg)
Image src = ImageIO.read (_ file)
Int wideth = src.getWidth (null)
Int height = src.getHeight (null)
BufferedImage image = new BufferedImage (wideth, height
BufferedImage.TYPE_INT_RGB)
Graphics g = image.createGraphics ()
G.drawImage (src, 0,0, wideth, height, null)
/ / String s = "www.qhd.com.cn"
G.setColor (new Color (color,false))
G.setFont (new Font (fontName, fontStyle, fontSize))
G.drawString (pressText, wideth-fontSize-x, height-fontSize
/ 2-y)
G.dispose ()
FileOutputStream out = new FileOutputStream (targetImg)
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder (out)
Encoder.encode (image)
Out.close ()
} catch (Exception e) {
System.out.println (e)
}
}
Public static void main (String [] args) {
PressText (Li Baidu, e:1.jpg, font-weight, Font.BOLD,255,70,700, 100)
PressImage ("e:/2.png", "e:/1.jpg", 0,0)
}
}
This is the end of the article on "how to add watermarks to Java". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.
