Example usage for java.awt Color getComponents

Introduction

In this page you can find the example usage for java.awt Color getComponents.

Prototype

public float[] getComponents(float[] compArray) 

Source Link

Document

Returns a float array containing the color and alpha components of the Color , in the ColorSpace of the Color .

Usage

From source file:Main.java

public static void main(String[] args) {

    Color myColor = Color.RED;

    System.out.println(Arrays.toString(myColor.getComponents(null)));

}

---

From source file:ComponentTest.java

public static void main(String[] args) {
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel cm = new ComponentColorModel(cs, new int[] { 5, 6, 5 }, false, false, Transparency.OPAQUE,
            DataBuffer.TYPE_BYTE);

    Color fifty = new Color(cs, new float[] { 1.0f, 1.0f, 1.0f }, 0);
    float[] components = fifty.getComponents(null);
    System.out.print("Original normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
    System.out.println();//  w  w  w . j a v  a 2  s .co m
    int[] unnormalized = cm.getUnnormalizedComponents(components, 0, null, 0);
    System.out.print("Original unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();
    Object pixel = cm.getDataElements(unnormalized, 0, (Object) null);
    System.out.print("Pixel samples: ");
    byte[] pixelBytes = (byte[]) pixel;
    for (int i = 0; i < 3; i++)
        System.out.print(pixelBytes[i] + " ");
    System.out.println();

    unnormalized = cm.getComponents(pixel, null, 0);
    System.out.print("Derived unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();
    components = cm.getNormalizedComponents(unnormalized, 0, null, 0);
    System.out.print("Derived normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
    System.out.println();
}

---

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel cm = new ComponentColorModel(cs, new int[] { 5, 6, 5 }, false, false, Transparency.OPAQUE,
            DataBuffer.TYPE_BYTE);

    Color fifty = new Color(cs, new float[] { 1.0f, 1.0f, 1.0f }, 0);
    float[] components = fifty.getComponents(null);
    System.out.print("Original normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
    System.out.println();/*from ww  w .j  av a 2s .c  o  m*/
    int[] unnormalized = cm.getUnnormalizedComponents(components, 0, null, 0);
    System.out.print("Original unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();

    Object pixel = cm.getDataElements(unnormalized, 0, (Object) null);
    System.out.print("Pixel samples: ");
    byte[] pixelBytes = (byte[]) pixel;
    for (int i = 0; i < 3; i++)
        System.out.print(pixelBytes[i] + " ");
    System.out.println();

    unnormalized = cm.getComponents(pixel, null, 0);
    System.out.print("Derived unnormalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(unnormalized[i] + " ");
    System.out.println();
    components = cm.getNormalizedComponents(unnormalized, 0, null, 0);
    System.out.print("Derived normalized components: ");
    for (int i = 0; i < 3; i++)
        System.out.print(components[i] + " ");
}

---

From source file:edu.ku.brc.ui.UIHelper.java

/**
 * @param c1/*from  w  ww .  ja va2s  .co  m*/
 * @param pct1
 * @param c2
 * @param pct2
 * @return
 */
public static Color getMixedColor(Color c1, float pct1, Color c2, float pct2) {
    float[] clr1 = c1.getComponents(null);
    float[] clr2 = c2.getComponents(null);
    for (int i = 0; i < clr1.length; i++) {
        clr1[i] = (clr1[i] * pct1) + (clr2[i] * pct2);
    }
    return new Color(clr1[0], clr1[1], clr1[2], clr1[3]);
}

---

From source file:org.apache.fop.util.ColorUtil.java

private static Color toSRGBColor(Color color) {
    float[] comps;
    ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    comps = color.getRGBColorComponents(null);
    float[] allComps = color.getComponents(null);
    float alpha = allComps[allComps.length - 1]; //Alpha is on last component
    return new Color(sRGB, comps, alpha);
}

---

From source file:org.shaman.rpg.editor.textures.impl.TextureIOTest.java

private void assertColorEquals(int rgbExpected, int rgbActual, double delta) {
    Color exp = new Color(rgbExpected);
    float[] expA = exp.getComponents(null);
    Color act = new Color(rgbActual);
    float[] actA = act.getComponents(null);
    for (int i = 0; i < 3; ++i) {
        assertEquals(expA[i] * expA[3], actA[i] * actA[3], delta); //multiply with alpha
    }//  w  w w .java  2 s . c  o  m
}

---