From: Niki Roo Date: Thu, 23 Feb 2017 07:30:08 +0000 (+0100) Subject: VERSION 1.2.1: drawEllipse3D X-Git-Tag: nikiroo-utils-1.2.3~2 X-Git-Url: https://git.nikiroo.be/?a=commitdiff_plain;h=ef13cd7fb48f9bc175aba322b6ec631beb9330bd;p=nikiroo-utils.git VERSION 1.2.1: drawEllipse3D --- diff --git a/VERSION b/VERSION index 524cb55..6085e94 100644 --- a/VERSION +++ b/VERSION @@ -1 +1 @@ -1.1.1 +1.2.1 diff --git a/changelog b/changelog index 02a6944..1e993c2 100644 --- a/changelog +++ b/changelog @@ -1,3 +1,9 @@ +Version 1.1.2 +------------- + +New drawEllipse3D method + ...in UIUtils + Version 1.1.1 ------------- diff --git a/src/be/nikiroo/utils/ui/UIUtils.java b/src/be/nikiroo/utils/ui/UIUtils.java index 547ff6c..24cbf64 100644 --- a/src/be/nikiroo/utils/ui/UIUtils.java +++ b/src/be/nikiroo/utils/ui/UIUtils.java @@ -1,5 +1,13 @@ package be.nikiroo.utils.ui; +import java.awt.Color; +import java.awt.GradientPaint; +import java.awt.Graphics; +import java.awt.Graphics2D; +import java.awt.Paint; +import java.awt.RadialGradientPaint; +import java.awt.RenderingHints; + import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; @@ -29,4 +37,82 @@ public class UIUtils { } catch (IllegalAccessException e) { } } + + /** + * Draw a 3D-looking ellipse at the given location, if the given + * {@link Graphics} object is compatible (with {@link Graphics2D}); draw a + * simple ellipse if not. + * + * @param g + * the {@link Graphics} to draw on + * @param color + * the base colour + * @param x + * the X coordinate + * @param y + * the Y coordinate + * @param width + * the width radius + * @param height + * the height radius + */ + static public void drawEllipse3D(Graphics g, Color color, int x, int y, + int width, int height) { + if (g instanceof Graphics2D) { + Graphics2D g2 = (Graphics2D) g; + g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, + RenderingHints.VALUE_ANTIALIAS_ON); + + // Retains the previous state + Paint oldPaint = g2.getPaint(); + + // Base shape + g2.setColor(color); + g2.fillOval(x, y, width, height); + + // Compute dark/bright colours + Paint p = null; + Color dark = color.darker(); + Color bright = color.brighter(); + Color darkEnd = new Color(dark.getRed(), dark.getGreen(), + dark.getBlue(), 0); + Color darkPartial = new Color(dark.getRed(), dark.getGreen(), + dark.getBlue(), 64); + Color brightEnd = new Color(bright.getRed(), bright.getGreen(), + bright.getBlue(), 0); + + // Adds shadows at the bottom left + p = new GradientPaint(0, height, dark, width, 0, darkEnd); + g2.setPaint(p); + g2.fillOval(x, y, width, height); + + // Adds highlights at the top right + p = new GradientPaint(width, 0, bright, 0, height, brightEnd); + g2.setPaint(p); + g2.fillOval(x, y, width, height); + + // Darken the edges + p = new RadialGradientPaint(x + width / 2f, y + height / 2f, + Math.min(width / 2f, height / 2f), new float[] { 0f, 1f }, + new Color[] { darkEnd, darkPartial }, + RadialGradientPaint.CycleMethod.NO_CYCLE); + g2.setPaint(p); + g2.fillOval(x, y, width, height); + + // Adds inner highlight at the top right + p = new RadialGradientPaint(x + 3f * width / 4f, y + height / 4f, + Math.min(width / 4f, height / 4f), + new float[] { 0.0f, 0.8f }, + new Color[] { bright, brightEnd }, + RadialGradientPaint.CycleMethod.NO_CYCLE); + g2.setPaint(p); + g2.fillOval(x * 2, y, width, height); + + // Reset original paint + g2.setPaint(oldPaint); + } else { + g.setColor(color); + g.fillOval(x, y, width, height); + } + } }