Java Code Examples for org.eclipse.swt.graphics.Color#getBlue()

@Override
public int[] getValue(ColorSwtParameter p) {
	String key = p.getParamID();
	Color existing;

	boolean is_override = COConfigurationManager.getStringParameter(
			key).length() > 0;
	if (!is_override) {
		return getDefaultValue(p);
	}

	// getSchemedColor will return white when it can't find a key starting with "config."
	// but we just checked that above, so we are ok
	existing = ColorCache.getSchemedColor(display, key);

	return existing == null ? null : new int[] {
		existing.getRed(),
		existing.getGreen(),
		existing.getBlue()
	};
}
 

public static boolean
isBlackTextReadable(
	Color	forBG )
{
	if (forBG == null || forBG.isDisposed()) {
		return true;
	}

	int red = forBG.getRed();
	int green = forBG.getGreen();
	int blue = forBG.getBlue();

	double brightness = Math.sqrt(
			red * red * 0.299 + green * green * 0.587 + blue * blue * 0.114);
	
	return brightness >= 130;
}
 

private void setResultColor(Color colorA, Color colorB, Composite resultColorComposite, Label resultColor){
	KMColor mix = new KMColor(new java.awt.Color(colorA.getRed(), colorA.getGreen(), colorA.getBlue()));
	mix.mix(new java.awt.Color(colorB.getRed(), colorB.getGreen(), colorB.getBlue()));
	java.awt.Color result = mix.getColor();
	resultColorComposite.setBackground(new Color(Display.getCurrent(), result.getRed(), result.getGreen(), result.getBlue()));
	resultColor.setText("R: " + result.getRed() + ", G: " + result.getGreen() + ", B: " + result.getBlue());
}
 

public void setColor(Color color) {
    this.color = new int[3];
    this.color[0] = color.getRed();
    this.color[1] = color.getGreen();
    this.color[2] = color.getBlue();

    firePropertyChange(PROPERTY_CHANGE_COLOR, null, null);
}
 

/**
 * @param fillColor the fillColor to set
 */
public void setFillColor(Color fillColor) {
	if(this.fillColor != null && this.fillColor.equals(fillColor))
		return;
	this.fillColor = fillColor;		
	int blue = 255 - fillColor.getBlue();
	int green = 255 - fillColor.getGreen();
	int red = fillColor.getRed();
	this.contrastFillColor = XYGraphMediaFactory.getInstance().getColor(
			new RGB(red, green, blue));
	repaint();
}
 

/**
 * Creates a new <code>Color</code> that is a brighter version of the
 * specified color.
 * 
 * @param c
 *            the specified color value.
 */
public static Color brighter( Color c )
{
	if ( c == null )
	{
		return null;
	}

	java.awt.Color color = new java.awt.Color( c.getRed( ),
			c.getGreen( ),
			c.getBlue( ) );

	color = color.brighter( );
	return getColor( color.getRed( ), color.getGreen( ), color.getBlue( ) );
}
 

private Color computeDashLineColor() {
	Color fg= fTable.getForeground();
	int fGray= (int)(0.3*fg.getRed() + 0.59*fg.getGreen() + 0.11*fg.getBlue());
	Color bg= fTable.getBackground();
	int bGray= (int)(0.3*bg.getRed() + 0.59*bg.getGreen() + 0.11*bg.getBlue());
	int gray= (int)((fGray + bGray) * 0.66);
	return new Color(fDisplay, gray, gray, gray);
}
 

private void allocateBlues() {
 int r = COConfigurationManager.getIntParameter("Color Scheme.red");
 int g = COConfigurationManager.getIntParameter("Color Scheme.green");
 int b = COConfigurationManager.getIntParameter("Color Scheme.blue");
  try {
    boolean bGrayScale = (r == b) && (b == g);

    HSLColor hslDefault = new HSLColor();
    hslDefault.initHSLbyRGB(0, 128, 255);

    HSLColor hslScheme = new HSLColor();
    hslScheme.initHSLbyRGB(r, g, b);

    diffHue = hslScheme.getHue() - hslDefault.getHue();
    diffSatPct = hslScheme.getSaturation() == 0 ? 0 : (float) hslDefault.getSaturation() / hslScheme.getSaturation();
    diffLumPct = hslScheme.getLuminence() == 0 ? 0 : (float) hslDefault.getLuminence() / hslScheme.getLuminence();

    HSLColor hslColor = new HSLColor();
    Color colorTables = Colors.getSystemColor(display, SWT.COLOR_LIST_BACKGROUND);
    int tR = colorTables.getRed();
    int tG = colorTables.getGreen();
    int tB = colorTables.getBlue();

    // 0 == window background (white)
    // [blues.length-1] == rgb
    // in between == blend
    for (int i = 0; i < blues.length; i++) {
      hslColor.initHSLbyRGB(r, g, b);
      float blendBy = (i == 0) ? 1 : (float) 1.0
          - ((float) i / (float) (blues.length - 1));
      hslColor.blend(tR, tG, tB, blendBy);
      blues[i] = ColorCache.getColor(display, hslColor.getRed(),
				hslColor.getGreen(), hslColor.getBlue());
      int iSat = hslColor.getSaturation();
      int luminence = hslColor.getLuminence();
      if (luminence < 20) {
        if (iSat > 10) {
          hslColor.setSaturation(iSat / 2);
          hslColor.brighten(1.25f);
        } else if (bGrayScale) {
        	// gray
        	hslColor.brighten(1.2f);
        }
      } else {
        if (iSat > 10) {
          hslColor.setSaturation(iSat / 2);
          hslColor.brighten(0.75f);
        } else if (bGrayScale) {
        	// gray
        	hslColor.brighten(0.8f);
        }
      }

      faded[i] = ColorCache.getColor(display, hslColor.getRed(),
				hslColor.getGreen(), hslColor.getBlue());
    }

    if (bGrayScale) {
    	if (b > 200)
    		b -= 20;
    	else
    		b += 20;
    }
    hslColor.initHSLbyRGB(r, g, b);
    hslColor.reverseColor();
    colorInverse = ColorCache.getColor(display, hslColor.getRed(),
			hslColor.getGreen(), hslColor.getBlue());

    hslColor.initHSLbyRGB(r, g, b);
    hslColor.setHue(hslColor.getHue() + 25);
    colorShiftRight = ColorCache.getColor(display, hslColor.getRed(),
			hslColor.getGreen(), hslColor.getBlue());

    hslColor.initHSLbyRGB(r, g, b);
    hslColor.setHue(hslColor.getHue() - 25);
    colorShiftLeft = ColorCache.getColor(display, hslColor.getRed(),
			hslColor.getGreen(), hslColor.getBlue());
  } catch (Exception e) {
  	Logger.log(new LogEvent(LOGID, "Error allocating colors", e));
  }
}
 

public void setDefaultColor(Color color) {
    this.defaultColor = new int[3];
    this.defaultColor[0] = color.getRed();
    this.defaultColor[1] = color.getGreen();
    this.defaultColor[2] = color.getBlue();
}
 

public static GamaColor toGamaColor(final Color color) {
	return new GamaColor(color.getRed(), color.getGreen(), color.getBlue());
}
 

public UIColorModel createColorModel(int style1, int style2) {
	Color c1 = this.display.getSystemColor(style1);
	Color c2 = this.display.getSystemColor(style2);
	
	return new UIColorModel(((c1.getRed() + c2.getRed()) / 2), ((c1.getGreen() + c2.getGreen()) / 2), ((c1.getBlue() + c2.getBlue()) / 2));
}
 

private static Color createNewReverseColor(Color c) {
	Color newColor = new Color(Display.getCurrent(), 255 - c.getRed(), 255 - c.getGreen(), 255 - c.getBlue());
	return newColor;
}
 

public void setLook( final Control control, int style ) {
  if ( this.isOSLookShown() && style != WIDGET_STYLE_FIXED ) {
    return;
  }

  final GUIResource gui = GUIResource.getInstance();
  Font font = null;
  Color background = null;

  switch ( style ) {
    case WIDGET_STYLE_DEFAULT:
      background = gui.getColorBackground();
      if ( control instanceof Group && OS.indexOf( "mac" ) > -1 ) {
        control.addPaintListener( new PaintListener() {
          @Override
          public void paintControl( PaintEvent paintEvent ) {
            paintEvent.gc.setBackground( gui.getColorBackground() );
            paintEvent.gc.fillRectangle( 2, 0, control.getBounds().width - 8, control.getBounds().height - 20 );
          }
        } );
      }
      font = null; // GUIResource.getInstance().getFontDefault();
      break;
    case WIDGET_STYLE_FIXED:
      if ( !this.isOSLookShown() ) {
        background = gui.getColorBackground();
      }
      font = gui.getFontFixed();
      break;
    case WIDGET_STYLE_TABLE:
      background = gui.getColorBackground();
      font = null; // gui.getFontGrid();
      break;
    case WIDGET_STYLE_NOTEPAD:
      background = gui.getColorBackground();
      font = gui.getFontNote();
      break;
    case WIDGET_STYLE_GRAPH:
      background = gui.getColorBackground();
      font = gui.getFontGraph();
      break;
    case WIDGET_STYLE_TOOLBAR:
      background = GUIResource.getInstance().getColorDemoGray();
      break;
    case WIDGET_STYLE_TAB:
      background = GUIResource.getInstance().getColorWhite();
      CTabFolder tabFolder = (CTabFolder) control;
      tabFolder.setSimple( false );
      tabFolder.setBorderVisible( true );
      // need to make a copy of the tab selection background color to get around PDI-13940
      Color c = GUIResource.getInstance().getColorTab();
      Color tabColor = new Color( c.getDevice(), c.getRed(), c.getGreen(), c.getBlue() );
      tabFolder.setSelectionBackground( tabColor );
      break;
    default:
      background = gui.getColorBackground();
      font = null; // gui.getFontDefault();
      break;
  }

  if ( font != null && !font.isDisposed() ) {
    control.setFont( font );
  }

  if ( background != null && !background.isDisposed() ) {
    if ( control instanceof Button ) {
      Button b = (Button) control;
      if ( ( b.getStyle() & SWT.PUSH ) != 0 ) {
        return;
      }
    }
    control.setBackground( background );
  }
}
 

public void setLook( final Control control, int style ) {
  if ( this.isOSLookShown() && style != WIDGET_STYLE_FIXED ) {
    return;
  }

  final GuiResource gui = GuiResource.getInstance();
  Font font = null;
  Color background = null;

  switch ( style ) {
    case WIDGET_STYLE_DEFAULT:
      background = gui.getColorBackground();
      if ( control instanceof Group && OS.indexOf( "mac" ) > -1 ) {
        control.addPaintListener( paintEvent -> {
          paintEvent.gc.setBackground( gui.getColorBackground() );
          paintEvent.gc.fillRectangle( 2, 0, control.getBounds().width - 8, control.getBounds().height - 20 );
        } );
      }
      font = null; // GuiResource.getInstance().getFontDefault();
      break;
    case WIDGET_STYLE_FIXED:
      if ( !this.isOSLookShown() ) {
        background = gui.getColorBackground();
      }
      font = gui.getFontFixed();
      break;
    case WIDGET_STYLE_TABLE:
      background = gui.getColorBackground();
      font = null; // gui.getFontGrid();
      break;
    case WIDGET_STYLE_NOTEPAD:
      background = gui.getColorBackground();
      font = gui.getFontNote();
      break;
    case WIDGET_STYLE_GRAPH:
      background = gui.getColorBackground();
      font = gui.getFontGraph();
      break;
    case WIDGET_STYLE_TOOLBAR:
      background = GuiResource.getInstance().getColorDemoGray();
      break;
    case WIDGET_STYLE_TAB:
      background = GuiResource.getInstance().getColorWhite();
      CTabFolder tabFolder = (CTabFolder) control;
      tabFolder.setSimple( false );
      tabFolder.setBorderVisible( true );
      // need to make a copy of the tab selection background color to get around PDI-13940
      Color c = GuiResource.getInstance().getColorTab();
      Color tabColor = new Color( c.getDevice(), c.getRed(), c.getGreen(), c.getBlue() );
      tabFolder.setSelectionBackground( tabColor );
      break;
    default:
      background = gui.getColorBackground();
      font = null; // gui.getFontDefault();
      break;
  }

  if ( font != null && !font.isDisposed() ) {
    control.setFont( font );
  }

  if ( background != null && !background.isDisposed() ) {
    if ( control instanceof Button ) {
      Button b = (Button) control;
      if ( ( b.getStyle() & SWT.PUSH ) != 0 ) {
        return;
      }
    }
    control.setBackground( background );
  }
}
 

/**
 * Creates a new <code>Color</code> that is a darker version of this
 * <code>Color</code>.
 * <p>
 * This method applies an arbitrary scale factor to each of the three RGB
 * components of this <code>Color</code> to create a darker version of
 * this <code>Color</code>. Although <code>brighter</code> and
 * <code>darker</code> are inverse operations, the results of a series of
 * invocations of these two methods might be inconsistent because of
 * rounding errors.
 * 
 * @param origColor
 *            initial color.
 * @param darkColor
 *            the target dark color.
 * @return a new <code>Color</code> object that is a darker version of
 *         this <code>Color</code>.
 */
public static Color darker( Color origColor, Color darkColor )
{
	double redFactor = darkColor.getRed( ) / 255.0;
	double greenFactor = darkColor.getGreen( ) / 255.0;
	double blueFactor = darkColor.getBlue( ) / 255.0;

	return getColor( Math.max( (int) ( origColor.getRed( ) * redFactor ), 0 ),
			Math.max( (int) ( origColor.getGreen( ) * greenFactor ), 0 ),
			Math.max( (int) ( origColor.getBlue( ) * blueFactor ), 0 ) );
}
 

/**
 * Creates an awt color instance to match the rgb values
 * of the specified swt color.
 *
 * @param color The swt color to match.
 * @return an awt color abject.
 */
public static java.awt.Color toAwtColor(Color color) {
    return new java.awt.Color(color.getRed(), color.getGreen(),
            color.getBlue());
}
 

/**
 * Creates an awt color instance to match the rgb values
 * of the specified swt color.
 *
 * @param color The swt color to match.
 * @return an awt color abject.
 */
public static java.awt.Color toAwtColor(Color color) {
    return new java.awt.Color(color.getRed(), color.getGreen(),
            color.getBlue());
}
 

/**
 * Creates an awt color instance to match the rgb values
 * of the specified swt color.
 *
 * @param color The swt color to match.
 * @return an awt color abject.
 */
public static java.awt.Color toAwtColor(Color color) {
    return new java.awt.Color(color.getRed(), color.getGreen(),
            color.getBlue());
}
 

/**
 * Creates an awt color instance to match the rgb values 
 * of the specified swt color.
 * 
 * @param color The swt color to match.
 * @return an awt color abject.
 */
public static java.awt.Color toAwtColor(Color color) {
    return new java.awt.Color(color.getRed(), color.getGreen(), 
            color.getBlue());
}
 

/**
 * Creates an awt color instance to match the rgb values
 * of the specified swt color.
 *
 * @param color The swt color to match.
 * @return an awt color abject.
 */
public static java.awt.Color toAwtColor(Color color) {
    return new java.awt.Color(color.getRed(), color.getGreen(),
            color.getBlue());
}