List of usage examples for java.awt GradientPaint getColor1
public Color getColor1()
From source file:Main.java
/** * Serialises a <code>Paint</code> object. * * @param paint the paint object (<code>null</code> permitted). * @param stream the output stream (<code>null</code> not permitted). * * @throws IOException if there is an I/O error. *//*from w w w.j a v a 2 s .c om*/ public static void writePaint(final Paint paint, final ObjectOutputStream stream) throws IOException { if (stream == null) { throw new IllegalArgumentException("Null 'stream' argument."); } if (paint != null) { stream.writeBoolean(false); stream.writeObject(paint.getClass()); if (paint instanceof Serializable) { stream.writeObject(paint); } else if (paint instanceof GradientPaint) { final GradientPaint gp = (GradientPaint) paint; stream.writeFloat((float) gp.getPoint1().getX()); stream.writeFloat((float) gp.getPoint1().getY()); stream.writeObject(gp.getColor1()); stream.writeFloat((float) gp.getPoint2().getX()); stream.writeFloat((float) gp.getPoint2().getY()); stream.writeObject(gp.getColor2()); stream.writeBoolean(gp.isCyclic()); } } else { stream.writeBoolean(true); } }
From source file:PaintUtils.java
/** Resizes a gradient to fill the width and height available. If the * gradient is left to right it will be resized to fill the entire width. * If the gradient is top to bottom it will be resized to fill the entire * height. If the gradient is on an angle it will be resized to go from * one corner to the other of the rectangle formed by (0,0 -> width,height). * * This method can resize java.awt.GradientPaint, java.awt.LinearGradientPaint, * and the LinearGradientPaint implementation from Apache's Batik project. Note, * this method does not require the MultipleGradientPaint.jar from Apache to * compile or to run. MultipleGradientPaint.jar *is* required if you want * to resize the LinearGradientPaint from that jar. * * Any paint passed into this method which is not a kind of gradient paint (like * a Color or TexturePaint) will be returned unmodified. It will not throw * an exception. If the gradient cannot be resized due to other errors the * original paint will be returned unmodified. It will not throw an * exception.//from w w w . ja v a 2 s. c o m * */ public static Paint resizeGradient(Paint p, int width, int height) { if (p == null) return p; if (p instanceof GradientPaint) { GradientPaint gp = (GradientPaint) p; Point2D[] pts = new Point2D[2]; pts[0] = gp.getPoint1(); pts[1] = gp.getPoint2(); pts = adjustPoints(pts, width, height); return new GradientPaint(pts[0], gp.getColor1(), pts[1], gp.getColor2(), gp.isCyclic()); } if ("java.awt.LinearGradientPaint".equals(p.getClass().getName()) || "org.apache.batik.ext.awt.LinearGradientPaint".equals(p.getClass().getName())) { return resizeLinearGradient(p, width, height); } return p; }
From source file:Main.java
public void paint(Graphics g) { super.paint(g); Graphics2D g2d = (Graphics2D) g; GradientPaint gp1 = new GradientPaint(5, 5, Color.red, 20, 20, Color.yellow, true); System.out.println(gp1.getColor1()); g2d.setPaint(gp1);/*from w w w .j a v a2 s . com*/ g2d.fillRect(20, 20, 300, 40); }
From source file:com.newatlanta.bluedragon.CustomBarRenderer.java
/** * Returns a legend item for a series.// www . j av a2s . c o m * * @param datasetIndex * the dataset index (zero-based). * @param series * the series index (zero-based). * * @return The legend item. */ public LegendItem getLegendItem(int datasetIndex, int series) { CategoryPlot cp = getPlot(); if (cp == null) { return null; } CategoryDataset dataset; dataset = cp.getDataset(datasetIndex); String label = getLegendItemLabelGenerator().generateLabel(dataset, series); String description = label; String toolTipText = null; if (getLegendItemToolTipGenerator() != null) { toolTipText = getLegendItemToolTipGenerator().generateLabel(dataset, series); } String urlText = null; if (getLegendItemURLGenerator() != null) { urlText = getLegendItemURLGenerator().generateLabel(dataset, series); } Shape shape = new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0); Paint paint = getSeriesPaint(series); Paint outlinePaint = getSeriesOutlinePaint(series); Stroke outlineStroke = getSeriesOutlineStroke(series); // This is the fix for bug #2695 if (paint instanceof java.awt.GradientPaint) { // When the paintstyle is "shade" use the lighter // color while with "light" use the darker color // NOTE: if we take the lighter color (Color2) and make it darker // and it equals the darker color (Color1) then the paintstyle // is "shade". GradientPaint gp = ((GradientPaint) paint); if (cfCHART.getDarkerColor(gp.getColor2()).equals(gp.getColor1())) paint = gp.getColor2(); // the lighter color else paint = gp.getColor1(); // the darker color } return new LegendItem(label, description, toolTipText, urlText, true, shape, true, paint, isDrawBarOutline(), outlinePaint, outlineStroke, false, new Line2D.Float(), new BasicStroke(1.0f), Color.black); }
From source file:it.cnr.istc.utils.gui.ReverseGradientXYBarPainter.java
/** * Paints a single bar instance./* ww w .java2s .co m*/ * * @param g2 the graphics target. * @param renderer the renderer. * @param row the row index. * @param column the column index. * @param bar the bar * @param base indicates which side of the rectangle is the base of the bar. */ @Override public void paintBar(Graphics2D g2, XYBarRenderer renderer, int row, int column, RectangularShape bar, RectangleEdge base) { Paint itemPaint = renderer.getItemPaint(row, column); Color c0, c1; if (itemPaint instanceof Color) { c0 = (Color) itemPaint; c1 = c0.brighter(); } else if (itemPaint instanceof GradientPaint) { GradientPaint gp = (GradientPaint) itemPaint; c0 = gp.getColor1(); c1 = gp.getColor2(); } else { c0 = Color.blue; c1 = Color.blue.brighter(); } // as a special case, if the bar colour has alpha == 0, we draw // nothing. if (c0.getAlpha() == 0) { return; } if (base == RectangleEdge.LEFT || base == RectangleEdge.RIGHT) { Rectangle2D[] regions = splitVerticalBar(bar, this.g1, this.g2, this.g3); GradientPaint gp = new GradientPaint((float) regions[0].getMinX(), 0.0f, c0, (float) regions[0].getMaxX(), 0.0f, Color.white); g2.setPaint(gp); g2.fill(regions[0]); gp = new GradientPaint((float) regions[1].getMinX(), 0.0f, Color.white, (float) regions[1].getMaxX(), 0.0f, c0); g2.setPaint(gp); g2.fill(regions[1]); gp = new GradientPaint((float) regions[2].getMinX(), 0.0f, c0, (float) regions[2].getMaxX(), 0.0f, c1); g2.setPaint(gp); g2.fill(regions[2]); gp = new GradientPaint((float) regions[3].getMinX(), 0.0f, c1, (float) regions[3].getMaxX(), 0.0f, c0); g2.setPaint(gp); g2.fill(regions[3]); } else if (base == RectangleEdge.TOP || base == RectangleEdge.BOTTOM) { Rectangle2D[] regions = splitHorizontalBar(bar, this.g1, this.g2, this.g3); GradientPaint gp = new GradientPaint(0.0f, (float) regions[0].getMinY(), c0, 0.0f, (float) regions[0].getMaxX(), Color.white); g2.setPaint(gp); g2.fill(regions[0]); gp = new GradientPaint(0.0f, (float) regions[1].getMinY(), Color.white, 0.0f, (float) regions[1].getMaxY(), c0); g2.setPaint(gp); g2.fill(regions[1]); gp = new GradientPaint(0.0f, (float) regions[2].getMinY(), c0, 0.0f, (float) regions[2].getMaxY(), c1); g2.setPaint(gp); g2.fill(regions[2]); gp = new GradientPaint(0.0f, (float) regions[3].getMinY(), c1, 0.0f, (float) regions[3].getMaxY(), c0); g2.setPaint(gp); g2.fill(regions[3]); } // draw the outline... if (renderer.isDrawBarOutline()) { Stroke stroke = renderer.getItemOutlineStroke(row, column); Paint paint = renderer.getItemOutlinePaint(row, column); if (stroke != null && paint != null) { g2.setStroke(stroke); g2.setPaint(paint); g2.draw(bar); } } }
From source file:com.newatlanta.bluedragon.CustomClusteredXYBarRenderer.java
/** * Returns a default legend item for the specified series. Subclasses should * override this method to generate customised items. * /*w ww . j a v a 2 s . c om*/ * @param datasetIndex * the dataset index (zero-based). * @param series * the series index (zero-based). * * @return A legend item for the series. */ public LegendItem getLegendItem(int datasetIndex, int series) { LegendItem result = null; XYPlot xyplot = getPlot(); if (xyplot != null) { XYDataset dataset = xyplot.getDataset(datasetIndex); if (dataset != null) { XYSeriesLabelGenerator lg = getLegendItemLabelGenerator(); String label = lg.generateLabel(dataset, series); String description = label; String toolTipText = null; if (getLegendItemToolTipGenerator() != null) { toolTipText = getLegendItemToolTipGenerator().generateLabel(dataset, series); } String urlText = null; if (getLegendItemURLGenerator() != null) { urlText = getLegendItemURLGenerator().generateLabel(dataset, series); } Shape shape = getLegendBar(); Paint paint = getSeriesPaint(series); Paint outlinePaint = getSeriesOutlinePaint(series); Stroke outlineStroke = getSeriesOutlineStroke(series); // This is the fix for bug #2695 if (paint instanceof java.awt.GradientPaint) { // When the paintstyle is "shade" use the lighter // color while with "light" use the darker color // NOTE: if we take the lighter color (Color2) and make it darker // and it equals the darker color (Color1) then the paintstyle // is "shade". GradientPaint gp = ((GradientPaint) paint); if (cfCHART.getDarkerColor(gp.getColor2()).equals(gp.getColor1())) paint = gp.getColor2(); // the lighter color else paint = gp.getColor1(); // the darker color } result = new LegendItem(label, description, toolTipText, urlText, shape, paint, outlineStroke, outlinePaint); } } return result; }
From source file:org.jfree.eastwood.GXYPlot.java
/** * Draws the background for the plot.// w w w. j ava 2 s . co m * * @param g2 the graphics device. * @param area the area. */ public void drawBackground(Graphics2D g2, Rectangle2D area) { Paint p = getBackgroundPaint(); if (p instanceof GradientPaint) { // do the transformation directly GradientPaint gp = (GradientPaint) p; double r = (this.f1 - this.f0) * area.getWidth(); Point2D p0 = new Point2D.Double(area.getMinX() + this.f0 * area.getWidth(), area.getMaxY()); Point2D p1 = new Point2D.Double(p0.getX() + r * Math.cos(this.angle), p0.getY() - r * Math.sin(this.angle)); p = new GradientPaint(p0, gp.getColor1(), p1, gp.getColor2()); } g2.setPaint(p); g2.fill(area); }
From source file:net.sf.fspdfs.chartthemes.spring.EyeCandySixtiesChartTheme.java
/** * *//* ww w .ja v a2s . c o m*/ protected void configureChart(JFreeChart jfreeChart, JRChartPlot jrPlot) throws JRException { super.configureChart(jfreeChart, jrPlot); TextTitle title = jfreeChart.getTitle(); if (title != null) { RectangleInsets padding = title.getPadding(); double bottomPadding = Math.max(padding.getBottom(), 15d); title.setPadding(padding.getTop(), padding.getLeft(), bottomPadding, padding.getRight()); } GradientPaint gp = (GradientPaint) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.BACKGROUND_PAINT); jfreeChart.setBackgroundPaint(new GradientPaint(0f, 0f, gp.getColor1(), 0f, getChart().getHeight() * 0.7f, gp.getColor2(), false)); }
From source file:net.sf.jasperreports.chartthemes.spring.EyeCandySixtiesChartTheme.java
@Override protected void configureChart(JFreeChart jfreeChart, JRChartPlot jrPlot) throws JRException { super.configureChart(jfreeChart, jrPlot); TextTitle title = jfreeChart.getTitle(); if (title != null) { RectangleInsets padding = title.getPadding(); double bottomPadding = Math.max(padding.getBottom(), 15d); title.setPadding(padding.getTop(), padding.getLeft(), bottomPadding, padding.getRight()); }//from w w w. jav a 2 s. c om GradientPaint gp = (GradientPaint) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.BACKGROUND_PAINT); jfreeChart.setBackgroundPaint(new GradientPaint(0f, 0f, gp.getColor1(), 0f, getChart().getHeight() * 0.7f, gp.getColor2(), false)); }
From source file:SWTGraphics2D.java
/** * Sets the paint for this graphics context. For now, this graphics * context only supports instances of {@link Color} or * {@link GradientPaint} (in the latter case there is no real gradient * support, the paint used is the <code>Color</code> returned by * <code>getColor1()</code>). * * @param paint the paint (<code>null</code> not permitted). * * @see #getPaint()/* ww w. j a va 2s .c o m*/ * @see #setColor(Color) */ public void setPaint(Paint paint) { if (paint instanceof Color) { setColor((Color) paint); } else if (paint instanceof GradientPaint) { GradientPaint gp = (GradientPaint) paint; setColor(gp.getColor1()); } else { throw new RuntimeException("Can only handle 'Color' at present."); } }