RemapHueCommand Constructor()

 
import static org.junit.Assert.assertTrue; 
 
import java.io.File; 
import java.io.IOException; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
 
import leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.color.*; 
 
 
public int INCREMENT_S2(int x, int Length) { 
    return ((x + 1) % Length); 
} 
 
public int DECREMENT_S2(int x, int Length) { 
    return ((x + (Length - 1)) % Length); 
} 
 
public int ADD_S2(int x, int y, int Length) { 
    return ((x + y) % Length); 
} 
 
public void remapHueCommandConstructorExample() { 
    final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
 
    // Load an image 
    RasterCodecs codecs = new RasterCodecs(); 
    codecs.setThrowExceptionsOnInvalidImages(true); 
 
    RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "cannon.jpg")); 
 
    // Prepare the command 
    int[] maskTable; 
    int[] hueTable; 
    RasterHsvColor hsvRef; 
    int hueGreen, hueChange; 
    int change; 
    int i, count; 
    int length; 
 
    if (image.getBitsPerPixel() >= 48) 
        length = 0x10000; 
    else if (!(image.getBitsPerPixel() == 16 || image.getBitsPerPixel() == 12)) 
        length = 256; 
    else if (image.getLookupTable() != null && image.getUseLookupTable()) 
        length = 256; 
    else 
        length = (1 << image.getBitsPerPixel()); 
    // Allocate tables 
    maskTable = new int[length]; 
    hueTable = new int[length]; 
    // Initialize tables 
    for (i = 0; i < length; i++) { 
        maskTable[i] = 0; 
        hueTable[i] = i; 
    } 
 
    // Get the hue for green 
    hsvRef = RasterHsvColor.fromRasterColor(new RasterColor(0, 255, 0)); 
    hueGreen = hsvRef.getH(); 
 
    // Obtain new hue 
    hsvRef = RasterHsvColor.fromRasterColor(new RasterColor(255, 128, 0)); 
    change = (int) hsvRef.getH() - (int) hueGreen; 
    hueChange = (change > 0) ? (int) change : (int) (change + length - 1); 
    hueGreen *= (length - 1) / 255; 
    hueChange *= (length - 1) / 255; 
 
    // Set values in HueTable, MaskTable 
    hueTable[hueGreen] = (hueTable[hueGreen] + hueChange); 
    maskTable[hueGreen] = 1; 
 
    // Set the hues near green (+/- 15) 
    count = (15 * (length - 1)) / 255; 
    for (i = INCREMENT_S2(hueGreen, length); count > 0; i = INCREMENT_S2(i, length), count--) { 
        hueTable[i] = ADD_S2(hueTable[i], hueChange, length); 
        maskTable[i] = 1; 
    } 
 
    count = (15 * (length - 1)) / 255; 
    for (i = DECREMENT_S2(hueGreen, length); count > 0; i = DECREMENT_S2(i, length), count--) { 
        hueTable[i] = ADD_S2(hueTable[i], hueChange, length); 
        maskTable[i] = 1; 
    } 
 
    RemapHueCommand command = new RemapHueCommand(maskTable, hueTable, null, null, length); 
    command.run(image); 
    codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.JPEG, 24); 
 
    System.out.println("Command run and image saved to " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")); 
    assertTrue("Command run and image saved", (new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists())); 
}