Example usage for java.awt Color getRGB

Introduction

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

Prototype

public int getRGB() 

Source Link

Document

Returns the RGB value representing the color in the default sRGB ColorModel .

Usage

From source file:edu.umn.cs.spatialHadoop.nasa.HDFRasterLayer.java

protected Color calculateColor(float value, float minValue, float maxValue) {
    Color color;
    if (value < minValue) {
        color = colors[0];// w w  w .  ja  va 2 s  .  c  o m
    } else if (value > maxValue) {
        color = colors[1];
    } else {
        // Interpolate between two colors according to gradient type
        float ratio = (value - minValue) / (maxValue - minValue);
        if (gradientType == GradientType.GT_HSB) {
            // Interpolate between two hues
            float hue = hues[0] * (1.0f - ratio) + hues[1] * ratio;
            float saturation = saturations[0] * (1.0f - ratio) + saturations[1] * ratio;
            float brightness = brightnesses[0] * (1.0f - ratio) + brightnesses[1] * ratio;
            color = Color.getHSBColor(hue, saturation, brightness);
            int alpha = (int) (colors[0].getAlpha() * (1.0f - ratio) + colors[1].getAlpha() * ratio);
            color = new Color(color.getRGB() & 0xffffff | (alpha << 24), true);
        } else if (gradientType == GradientType.GT_RGB) {
            // Interpolate between colors
            int red = (int) (colors[0].getRed() * (1.0f - ratio) + colors[1].getRed() * ratio);
            int green = (int) (colors[0].getGreen() * (1.0f - ratio) + colors[1].getGreen() * ratio);
            int blue = (int) (colors[0].getBlue() * (1.0f - ratio) + colors[1].getBlue() * ratio);
            int alpha = (int) (colors[0].getAlpha() * (1.0f - ratio) + colors[1].getAlpha() * ratio);
            color = new Color(red, green, blue, alpha);
        } else {
            throw new RuntimeException("Unsupported gradient type: " + gradientType);
        }
    }
    return color;
}

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From source file:org.tellervo.desktop.prefs.Prefs.java

/**
 * Set the value of a preference to the specified color
 * @param pref// w  w w .j  a  v a  2s.  c om
 * @param value
 */
public void setColorPref(PrefKey pref, Color value) {
    String encoded = "#" + Integer.toHexString(value.getRGB() & 0x00ffffff);
    setPref(pref, encoded);
}

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From source file:org.tellervo.desktop.prefs.Prefs.java

/**
 * Use setPref(PrefKey, ...) instead/*  w w  w  . j a v a  2  s  . c om*/
 * @param pref
 * @param value
 */
@Deprecated
public void setColorPref(String pref, Color value) {
    String encoded = "#" + Integer.toHexString(value.getRGB() & 0x00ffffff);
    setPref(pref, encoded);
}

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From source file:com.ricemap.spateDB.operations.Plot.java

/**
 * Plots a Geometry from the library JTS into the given image.
 * @param graphics//from w w  w.  j a v a2 s .c o m
 * @param geom
 * @param fileMbr
 * @param imageWidth
 * @param imageHeight
 * @param scale
 * @param shape_color
 */
private static void drawJTSShape(Graphics2D graphics, Geometry geom, Prism fileMbr, int imageWidth,
        int imageHeight, double scale, Color shape_color) {
    if (geom instanceof GeometryCollection) {
        GeometryCollection geom_coll = (GeometryCollection) geom;
        for (int i = 0; i < geom_coll.getNumGeometries(); i++) {
            Geometry sub_geom = geom_coll.getGeometryN(i);
            // Recursive call to draw each geometry
            drawJTSShape(graphics, sub_geom, fileMbr, imageWidth, imageHeight, scale, shape_color);
        }
    } else if (geom instanceof com.vividsolutions.jts.geom.Polygon) {
        com.vividsolutions.jts.geom.Polygon poly = (com.vividsolutions.jts.geom.Polygon) geom;

        for (int i = 0; i < poly.getNumInteriorRing(); i++) {
            LineString ring = poly.getInteriorRingN(i);
            drawJTSShape(graphics, ring, fileMbr, imageWidth, imageHeight, scale, shape_color);
        }

        drawJTSShape(graphics, poly.getExteriorRing(), fileMbr, imageWidth, imageHeight, scale, shape_color);
    } else if (geom instanceof LineString) {
        LineString line = (LineString) geom;
        double geom_alpha = line.getLength() * scale;
        int color_alpha = geom_alpha > 1.0 ? 255 : (int) Math.round(geom_alpha * 255);
        if (color_alpha == 0)
            return;

        int[] xpoints = new int[line.getNumPoints()];
        int[] ypoints = new int[line.getNumPoints()];

        for (int i = 0; i < xpoints.length; i++) {
            double px = line.getPointN(i).getX();
            double py = line.getPointN(i).getY();

            // Transform a point in the polygon to image coordinates
            xpoints[i] = (int) Math.round((px - fileMbr.x1) * imageWidth / (fileMbr.x2 - fileMbr.x1));
            ypoints[i] = (int) Math.round((py - fileMbr.y1) * imageHeight / (fileMbr.y2 - fileMbr.y1));
        }

        // Draw the polygon
        graphics.setColor(new Color((shape_color.getRGB() & 0x00FFFFFF) | (color_alpha << 24), true));
        graphics.drawPolyline(xpoints, ypoints, xpoints.length);
    }
}

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From source file:com.t3.model.Token.java

public void setHaloColor(Color color) {
    if (color != null) {
        haloColorValue = color.getRGB();
    } else {/*w  w  w  .  j av a 2  s  .  c  om*/
        haloColorValue = null;
    }
    haloColor = color;
}

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From source file:com.t3.model.Token.java

public void setVisionOverlayColor(Color color) {
    if (color != null) {
        visionOverlayColorValue = color.getRGB();
    } else {//from  w w  w.j a v a2 s .co  m
        visionOverlayColorValue = null;
    }
    visionOverlayColor = color;
}

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From source file:edu.umn.cs.spatialHadoop.operations.Plot.java

/**
 * Plots a Geometry from the library JTS into the given image.
 * @param graphics/*  www. java2s  . c om*/
 * @param geom
 * @param fileMbr
 * @param imageWidth
 * @param imageHeight
 * @param scale
 * @param shape_color
 */
private static void drawJTSShape(Graphics2D graphics, Geometry geom, Rectangle fileMbr, int imageWidth,
        int imageHeight, double scale, Color shape_color) {
    if (geom instanceof GeometryCollection) {
        GeometryCollection geom_coll = (GeometryCollection) geom;
        for (int i = 0; i < geom_coll.getNumGeometries(); i++) {
            Geometry sub_geom = geom_coll.getGeometryN(i);
            // Recursive call to draw each geometry
            drawJTSShape(graphics, sub_geom, fileMbr, imageWidth, imageHeight, scale, shape_color);
        }
    } else if (geom instanceof com.vividsolutions.jts.geom.Polygon) {
        com.vividsolutions.jts.geom.Polygon poly = (com.vividsolutions.jts.geom.Polygon) geom;

        for (int i = 0; i < poly.getNumInteriorRing(); i++) {
            LineString ring = poly.getInteriorRingN(i);
            drawJTSShape(graphics, ring, fileMbr, imageWidth, imageHeight, scale, shape_color);
        }

        drawJTSShape(graphics, poly.getExteriorRing(), fileMbr, imageWidth, imageHeight, scale, shape_color);
    } else if (geom instanceof LineString) {
        LineString line = (LineString) geom;
        double geom_alpha = line.getLength() * scale;
        int color_alpha = geom_alpha > 1.0 ? 255 : (int) Math.round(geom_alpha * 255);
        if (color_alpha == 0)
            return;

        int[] xpoints = new int[line.getNumPoints()];
        int[] ypoints = new int[line.getNumPoints()];

        for (int i = 0; i < xpoints.length; i++) {
            double px = line.getPointN(i).getX();
            double py = line.getPointN(i).getY();

            // Transform a point in the polygon to image coordinates
            xpoints[i] = (int) Math.round((px - fileMbr.x1) * imageWidth / (fileMbr.x2 - fileMbr.x1));
            ypoints[i] = (int) Math.round((py - fileMbr.y1) * imageHeight / (fileMbr.y2 - fileMbr.y1));
        }

        // Draw the polygon
        graphics.setColor(new Color((shape_color.getRGB() & 0x00FFFFFF) | (color_alpha << 24), true));
        graphics.drawPolyline(xpoints, ypoints, xpoints.length);
    }
}

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From source file:com.jcraft.weirdx.DDXWindowImp.java

public final Graphics getGraphics(GC gc, int mask) {
    if (!isVisible()) {
        return null;
    }// w w w  . j  a  va2  s  .c  o  m
    if (offg == null)
        allocImage();
    Graphics graphics = offg;
    if ((mask & GC.GCSubwindowMode) != 0 && (gc.attr & GC.IncludeInferiors) != 0) {
        graphics = getGraphics();
        window.currentGC = null;
    } else {
        if (gc == window.currentGC && gc.time == window.gctime && (mask & ~window.gmask) == 0) {
            //System.out.println("DDXWindow skip");
            return graphics;
        }
        window.gctime = gc.time;
        window.currentGC = gc;
        window.gmask = mask;
    }

    if (gc.clip_mask != null && gc.clip_mask instanceof ClipRectangles) {
        java.awt.Rectangle rec = (Rectangle) (gc.clip_mask.getMask());
        if (rec != null) {
            graphics = offg;
        }

        if (rec == null
                || (rec.x == 0 && rec.y == 0 && rec.width == window.width && rec.height == window.height)) {
            //   return graphics;
        } else {
            graphics.setClip(rec.x, rec.y, rec.width, rec.height);
        }
    }

    if ((mask & GC.GCFunction) != 0) {
        Color color = window.getColormap().getColor(gc.fgPixel);
        if (gc.function == GC.GXxor) {
            window.gmask &= ~GC.GCFunction;
            graphics.setXORMode(new Color((color.getRGB() ^ graphics.getColor().getRGB()) & 0xffffff));
        } else if (gc.function == GC.GXinvert) {
            window.gmask &= ~GC.GCFunction;
            graphics.setXORMode(window.screen.defaultColormap.getColor(window.background.pixel));
        } else {
            graphics.setColor(color);
        }
    }

    if ((mask & GC.GCFont) != 0) {
        XFont font = gc.font;
        graphics.setFont(font.getFont());
    }

    if ((mask & GC.GCLineWidth) != 0 || (mask & GC.GCLineStyle) != 0 || (mask & GC.GCCapStyle) != 0
            || (mask & GC.GCJoinStyle) != 0) {
    }
    return graphics;
}

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From source file:net.java.sip.communicator.impl.gui.main.chat.ChatWritePanel.java

/**
 * Sets the font color//from w w  w  . j  av  a  2s.  c o  m
 * @param color the color
 */
public void setFontColor(Color color) {
    ActionEvent evt = new ActionEvent(editorPane, ActionEvent.ACTION_PERFORMED, "");

    Action action = new HTMLEditorKit.ForegroundAction(Integer.toString(color.getRGB()), color);

    action.actionPerformed(evt);
}

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From source file:tufts.vue.RichTextBox.java

/** @return true if hue value of Color is black, ignoring any alpha */
private boolean isBlack(Color c) {
    return c != null && (c.getRGB() & 0xFFFFFF) == 0;
}

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