From ce9a4d82c0544e795cd5c7c7a47a1573d8f46641 Mon Sep 17 00:00:00 2001
From: ulrich <not disclosed>
Date: Mon, 15 Jan 2018 17:27:13 +0000
Subject: [PATCH] readme ergaenzt
---
src/bilder.groovy | 25 +++++++++++++++++++------
1 files changed, 19 insertions(+), 6 deletions(-)
diff --git a/src/bilder.groovy b/src/bilder.groovy
index 7a14ff1..00ce2a1 100644
--- a/src/bilder.groovy
+++ b/src/bilder.groovy
@@ -14,14 +14,17 @@
import java.net.FileNameMap;
import java.net.URLConnection;
import javax.imageio.ImageIO;
+import javax.imageio.ImageWriter;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.stream.FileImageOutputStream;
+import javax.imageio.IIOImage;
import java.lang.Integer;
/*
- Skript zum Verkleinern von Bildern mit Hilfe
- der Klasse Bild
+ Java-Code zum Verkleinern von Bildern
args[0] - Anzahl Pixel an der laengsten Kante
- args[1] - qualitaet JPEG, z.B. 75 fuer 75%
+ args[1] - qualitaet JPEG, z.B. 0.75 fuer 75% des Originals
args[2] - Eingangsordner
args[3] - Ausgabeordner
*/
@@ -47,7 +50,7 @@
mediaTracker.waitForID(0);
if (!mediaTracker.isErrorAny()) {
- int quality = Integer.parseInt(args[1]);
+ float quality = Float.parseFloat(args[1]);
float factor = (float) 0.0;
BufferedImage thumbImage;
@@ -124,12 +127,22 @@
imgType = "jpg";
}
- ImageIO.write(thumbImage, imgType, outFile);
+ /*
+ 14.1.2018: Ausgabe um Qualitaetsparameter erweitert
+ Beginn
+ */
+ ImageWriter writer = ImageIO.getImageWritersByFormatName(imgType).next();
+ ImageWriteParam iwp = writer.getDefaultWriteParam();
+ iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
+ iwp.setCompressionQuality(quality);
+ writer.setOutput(new FileImageOutputStream(outFile));
+ writer.write(null, new IIOImage(thumbImage, null, null), iwp);
+ writer.dispose();
+ /* 14.1.2018 Ende */
}
} catch (InterruptedException ex) {
System.out.println("Error: " + ex.getLocalizedMessage());
}
-
}
} else {
System.out.println("fileList is null or empty");
--
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