From e323c3767bc6351549bfed6cec907006ea42d1ef Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 27 Jun 2014 21:22:27 +0200
Subject: Branding module generator task

---
 src/main/java/org/openslx/satserver/util/Ppm.java | 52 +++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/main/java/org/openslx/satserver/util/Ppm.java

(limited to 'src/main/java/org/openslx/satserver')

diff --git a/src/main/java/org/openslx/satserver/util/Ppm.java b/src/main/java/org/openslx/satserver/util/Ppm.java
new file mode 100644
index 0000000..29491d7
--- /dev/null
+++ b/src/main/java/org/openslx/satserver/util/Ppm.java
@@ -0,0 +1,52 @@
+package org.openslx.satserver.util;
+
+import java.awt.Color;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+public class Ppm
+{
+
+	/**
+	 * Save image as ppm file.
+	 * 
+	 * @param inImage BufferedImage to save
+	 * @param fName file name to save as
+	 * @param white
+	 * @throws IOException
+	 */
+	public static boolean write( BufferedImage inImage, String fName, Color transparent ) throws IOException
+	{
+		FileOutputStream bw = null;
+		final int tr = transparent.getRed();
+		final int tg = transparent.getGreen();
+		final int tb = transparent.getBlue();
+		try {
+			File theFile = new File( fName );
+			bw = new FileOutputStream( theFile );
+			bw.write( "P6\n".getBytes( StandardCharsets.UTF_8 ) );
+			bw.write( ( inImage.getWidth() + " " + inImage.getHeight() + " 255\n" ).getBytes( StandardCharsets.UTF_8 ) );
+
+			for ( int y = 0; y < inImage.getHeight(); ++y ) {
+				for ( int x = 0; x < inImage.getWidth(); ++x ) {
+					int color = inImage.getRGB( x, y );
+					int alpha = ( color >>> 24 ) & 0xFF;
+					int red = ( color >>> 16 ) & 0xFF;
+					int green = ( color >>> 8 ) & 0xFF;
+					int blue = ( color ) & 0xFF;
+					bw.write( ( ( red * alpha ) + ( tr * ( 255 - alpha ) ) ) / 255 );
+					bw.write( ( ( green * alpha ) + ( tg * ( 255 - alpha ) ) ) / 255 );
+					bw.write( ( ( blue * alpha ) + ( tb * ( 255 - alpha ) ) ) / 255 );
+				}
+			}
+			bw.close();
+		} finally {
+			Util.multiClose( bw );
+		}
+		return true;
+	}
+
+}
-- 
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