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Author: salimt

Duke-Java-Programming-Solving-Problems-with-Software/BatchGrayScale-ImageInversion/BatchGrayScale-ImageInversion.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../lib/courserajava.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES>
+          <root url="jar://$MODULE_DIR$/../lib/courserajava.jar!/" />
+        </SOURCES>
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../lib/apache-csv.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES>
+          <root url="jar://$MODULE_DIR$/../lib/apache-csv.jar!/" />
+        </SOURCES>
+      </library>
+    </orderEntry>
+  </component>
+</module>

Duke-Java-Programming-Solving-Problems-with-Software/BatchGrayScale-ImageInversion/ProgrammingExercise-BatchGrayscale.pdf

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+/**
+ * Optional Honors Content -Duke University
+ * @author: salimt
+ */
+
+public class BatchInversion {
+
+    public static void main(String[] args) {
+        GrayScaleConverter.selectAndConvert();          //converts selected files/imaged gray-scaled and saves
+        ImageInversion.selectAndConvert();              //converts selected files/imaged negative and saves
+    }
+
+
+}

Duke-Java-Programming-Solving-Problems-with-Software/BatchGrayScale-ImageInversion/cat.jpg

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+/**
+ * Convert any number of images to a gray scale version by setting all color components of each pixel to the same value.
+ * 
+ * @author -salimt
+ */
+
+import edu.duke.DirectoryResource;
+import edu.duke.ImageResource;
+import edu.duke.Pixel;
+
+import java.io.File;
+
+public class GrayScaleConverter {
+
+	public static ImageResource makeGray(ImageResource inImage) {
+		//creates a blank image of the same size
+		ImageResource outImage = new ImageResource(inImage.getWidth(), inImage.getHeight());
+		for (Pixel pixel: outImage.pixels()) {
+			//look at the corresponding pixel in inImage
+			Pixel inPixel = inImage.getPixel(pixel.getX(), pixel.getY());
+			//compute R+G+B divide that sum by 3 (call it average)
+			int average = (inPixel.getRed() + inPixel.getBlue() + inPixel.getGreen())/3;
+			//set the pixel colors to average
+			pixel.setRed(average);
+			pixel.setGreen(average);
+			pixel.setBlue(average);
+		}
+		//outImage is your answer
+		return outImage;
+	}
+
+	//selects many pictures converts them gray scale and saves with name "gray-FILENAME"
+	public static void selectAndConvert () {
+		DirectoryResource dr = new DirectoryResource();
+		for (File f : dr.selectedFiles()) {
+			ImageResource inImage = new ImageResource(f);
+            ImageSaver.doSave(makeGray(inImage), new ImageResource(f).getFileName(), "gray-");
+
+            // SECOND WAY\\
+//            ImageResource original = new ImageResource(f);
+//            ImageResource grayscale = makeGray(original);
+//            grayscale.setFileName("gray-" + original.getFileName());
+//            grayscale.draw();
+//            grayscale.save();
+		}
+	}
+
+	public static void testGray() {
+		ImageResource ir = new ImageResource();
+		ImageResource gray = makeGray(ir);
+		gray.draw();
+	}
+}

Duke-Java-Programming-Solving-Problems-with-Software/BatchGrayScale-ImageInversion/duvall.png

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+/**
+ * @author: salimt
+ */
+
+import edu.duke.*;
+import java.io.File;
+
+public class ImageInversion {
+
+    public static ImageResource makeInversion(ImageResource inImage){
+        //creates a blank image of the same size
+        ImageResource outImage = new ImageResource(inImage.getWidth(), inImage.getHeight());
+        for (Pixel pixel: outImage.pixels()) {
+            Pixel inPixel = inImage.getPixel(pixel.getX(), pixel.getY());
+            //modifies the colors to be the exact opposite within the 0 to 255 range
+            pixel.setRed(255-inPixel.getRed());
+            pixel.setGreen(255-inPixel.getGreen());
+            pixel.setBlue(255-inPixel.getBlue());
+        }
+        return outImage;
+    }
+
+    //selects many pictures converts them negative and saves with name "inverted-FILENAME"
+    public static void selectAndConvert() {
+        DirectoryResource dr = new DirectoryResource();
+        for (File f : dr.selectedFiles()) {
+            ImageResource inImage = new ImageResource(f);
+            ImageSaver.doSave(makeInversion(inImage), new ImageResource(f).getFileName(), "inverted-");
+        }
+    }
+}

Duke-Java-Programming-Solving-Problems-with-Software/BatchGrayScale-ImageInversion/image-examples.zip

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+/**
+ * Make copies of all images selected within a directory (or folder).
+ * 
+ * @author -salimt
+ */
+
+
+import edu.duke.ImageResource;
+
+public class ImageSaver {
+	public static void doSave(ImageResource image, String fileName, String conversionType) {
+        image.setFileName(conversionType + fileName);
+        image.save();
+	}
+}