Java Graphics Draw Gradient paintHorizontalGradient2D(Graphics2D g, int x, int y, int w, int h, float g1, float g2, Color c1, Color c2, Color c3, int[][] mask)

Description

Paints a horizontal gradient using Graphics2D functionality.

License

Open Source License

Parameter

Parameter	Description
g	the Graphics2D instance
x	the X coordinate of the upper left corner of the rectangle
y	the Y coordinate of the upper left corner of the rectangle
w	the width of the rectangle
h	the height of the rectangle
g1	the relative width of the c1->c2 gradients
g2	the relative width of the c2 solid area
c1	the color 1
c2	the color 2
c3	the color 3
mask	the mask that should be used when painting the gradient as described above

Declaration

private static void paintHorizontalGradient2D(Graphics2D g, int x, int y, int w, int h, float g1, float g2,
        Color c1, Color c2, Color c3, int[][] mask) 

Method Source Code

//package com.java2s;
/* MetalUtils.java//from w  ww  .  j ava2s  .c  o m
Copyright (C) 2005 Free Software Foundation, Inc.
    
This file is part of GNU Classpath.
    
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
    
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
    
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
    
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */

import java.awt.Color;

import java.awt.GradientPaint;

import java.awt.Graphics2D;

public class Main {
    /**
     * Paints a horizontal gradient using Graphics2D functionality.
     *
     * @param g the Graphics2D instance
     * @param x the X coordinate of the upper left corner of the rectangle
     * @param y the Y coordinate of the upper left corner of the rectangle
     * @param w the width of the rectangle
     * @param h the height of the rectangle
     * @param g1 the relative width of the c1->c2 gradients
     * @param g2 the relative width of the c2 solid area
     * @param c1 the color 1
     * @param c2 the color 2
     * @param c3 the color 3
     * @param mask the mask that should be used when painting the gradient as
     *        described above
     */
    private static void paintHorizontalGradient2D(Graphics2D g, int x, int y, int w, int h, float g1, float g2,
            Color c1, Color c2, Color c3, int[][] mask) {
        // FIXME: Handle the mask somehow, or do Graphics2D clipping instead.
        GradientPaint p1 = new GradientPaint(x, y, c1, x + w * g1, y, c2);
        g.setPaint(p1);
        // This fills the first gradient and the solid area in one go.
        g.fillRect(x, y, (int) (w * (g1 + g2)), h);

        GradientPaint p2 = new GradientPaint(x + (w * (g1 + g2)), y, c2, x + w, y, c3);
        g.setPaint(p2);
        g.fillRect((int) (x + (w * (g1 + g2))), y, (int) (w * (1. - (g1 + g2))), h);
    }
}

Related

1. DrawGradient(Graphics g, int x, int y, int width, int height, Color color1, Color color2)
2. linearGradient(final JComponent comp, final Color col, final int step, final int sleepTime)
3. paintGradient(Graphics g, JComponent comp, Color color1, Color color2)
4. paintGradientSelection(Color topLineColor, Color bottomLineColor, Color topGradientColor, Color bottomGradientColor, Graphics2D graphics2D, int width, int height)
5. paintListGradientSelection(Graphics2D graphics2D, Component component, int width, int height)
6. paintMacGradientFill(Graphics2D g, Rectangle rect, Color brightC, Color darkC)
7. paintVerticalGradient2D(Graphics2D g, int x, int y, int w, int h, float g1, float g2, Color c1, Color c2, Color c3, int[][] mask)