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import java.awt.TexturePaint; |
import java.awt.TexturePaint; |
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import java.awt.geom.Rectangle2D; |
import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
import java.awt.image.BufferedImage; |
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import java.util.List; |
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import javax.swing.SwingConstants; |
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import javax.swing.UIManager; |
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/** |
/** |
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* Some utility and helper methods for the Metal Look & Feel. |
* Some utility and helper methods for the Metal Look & Feel. |
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// Prepare the texture. |
// Prepare the texture. |
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TexturePaint texture = |
TexturePaint texture = |
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new TexturePaint(pattern2D, new Rectangle2D.Double(0., 0., 4., 2.)); |
new TexturePaint(pattern2D, new Rectangle2D.Double(0., 0., 4., 4.)); |
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g2d.setPaint(texture); |
g2d.setPaint(texture); |
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g2d.fillRect(x, y, w, h); |
g2d.fillRect(x, y, w, h); |
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} |
} |
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*/ |
*/ |
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static void initializePattern(Color light, Color dark) |
static void initializePattern(Color light, Color dark) |
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{ |
{ |
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pattern2D = new BufferedImage(4, 4, BufferedImage.TYPE_INT_RGB); |
pattern2D = new BufferedImage(4, 4, BufferedImage.TYPE_INT_ARGB); |
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lightColor = light; |
lightColor = light; |
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darkColor = dark; |
darkColor = dark; |
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Graphics g = pattern2D.getGraphics(); |
Graphics g = pattern2D.getGraphics(); |
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g.fillRect(3, 3, 1, 1); |
g.fillRect(3, 3, 1, 1); |
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g.dispose(); |
g.dispose(); |
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} |
} |
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/** |
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* Paints the typical Metal gradient. See {@link #paintGradient(Graphics, |
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* int, int, int, int, double, double, Color, Color, Color, int)} |
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* for more details. |
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* |
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* The parameters are fetched from the UIManager using the key |
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* <code>uiProp</code>. The value is expected to be a {@link List} that |
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* contains 4 values: two {@link Double}s and 3 {@link Color} object that |
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* together make up the parameters passed to the painting method. |
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* |
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* @param g the graphics context to use |
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* @param x the X coordinate of the upper left corner of the rectangle |
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* @param y the Y coordinate of the upper left corner of the rectangle |
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* @param w the width of the rectangle |
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* @param h the height of the rectangle |
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* @param dir the direction of the gradient, either |
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* @param uiProp the key of the UIManager property that has the parameters |
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*/ |
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static void paintGradient(Graphics g, int x, int y, int w, int h, |
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int dir, String uiProp) |
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{ |
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List params = (List) UIManager.get(uiProp); |
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double g1 = ((Double) params.get(0)).doubleValue(); |
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double g2 = ((Double) params.get(1)).doubleValue(); |
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Color c1 = (Color) params.get(2); |
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Color c2 = (Color) params.get(3); |
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Color c3 = (Color) params.get(4); |
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paintGradient(g, x, y, w, h, g1, g2, c1, c2, c3, dir); |
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} |
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/** |
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* Paints the typical Metal gradient. The gradient is painted as follows: |
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* <pre> |
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* |
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* +-------+--------+--------+-----------------------------+ |
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* | | | | | |
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* +-------+--------+--------+-----------------------------+ |
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* c1 -> c2 -- c2 -> c1 --------> c3 |
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* < -g1- > < -g2- > < -g1- > |
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* </pre> |
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* |
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* There are 4 distinct areas in this gradient: |
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* <ol> |
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* <li>A gradient from color 1 to color 2 with the relative width specified |
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* by <code>g1</code></li> |
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* <li>A solid area with the color 2 and the relative width specified by |
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* <code>g2</code></li> |
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* <li>A gradient from color 2 to color 1 with the relative width specified |
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* by <code>g1</code></li> |
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* |
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* @param g the graphics context to use |
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* @param x the X coordinate of the upper left corner of the rectangle |
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* @param y the Y coordinate of the upper left corner of the rectangle |
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* @param w the width of the rectangle |
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* @param h the height of the rectangle |
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* @param g1 the relative width of the c1->c2 gradients |
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* @param g2 the relative width of the c2 solid area |
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* @param c1 the color 1 |
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* @param c2 the color 2 |
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* @param c3 the color 3 |
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* @param dir the direction of the gradient, either |
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* {@link SwingConstants#HORIZONTAL} or {@link SwingConstants#VERTICAL} |
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*/ |
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static void paintGradient(Graphics g, int x, int y, int w, int h, double g1, |
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double g2, Color c1, Color c2, Color c3, int dir) |
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{ |
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if (dir == SwingConstants.HORIZONTAL) |
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paintHorizontalGradient(g, x, y, w, h, g1, g2, c1, c2, c3); |
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else |
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paintVerticalGradient(g, x, y, w, h, g1, g2, c1, c2, c3); |
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} |
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/** |
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* Paints a horizontal gradient. See {@link #paintGradient(Graphics, int, |
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* int, int, int, double, double, Color, Color, Color, int)} for details. |
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* |
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* @param x the X coordinate of the upper left corner of the rectangle |
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* @param y the Y coordinate of the upper left corner of the rectangle |
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* @param w the width of the rectangle |
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* @param h the height of the rectangle |
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* @param g1 the relative width of the c1->c2 gradients |
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* @param g2 the relative width of the c2 solid area |
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* @param c1 the color 1 |
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* @param c2 the color 2 |
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* @param c3 the color 3 |
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*/ |
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static void paintHorizontalGradient(Graphics g, int x, int y, int w, int h, |
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double g1, double g2, Color c1, Color c2, |
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Color c3) |
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{ |
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// Calculate the coordinates. |
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// The size of the first gradient area (c1->2). |
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int w1 = (int) (w * g1); |
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// The size of the solid c2 area. |
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int w2 = (int) (w * g2); |
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int x0 = x; |
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int x1 = x0 + w1; |
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int x2 = x1 + w2; |
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int x3 = x2 + w1; |
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int x4 = x + w; |
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// Paint first gradient area (c1->c2). |
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int xc; // The current y coordinate. |
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for (xc = x0; xc < x1; xc++) |
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{ |
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if (xc > x + w) |
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break; |
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// Perform color interpolation; |
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double factor = (xc - x0) / (double) w1; |
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int rInt = (int) ((c2.getRed() - c1.getRed()) * factor + c1.getRed()); |
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int gInt = (int) ((c2.getGreen() - c1.getGreen()) * factor |
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+ c1.getGreen()); |
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int bInt = (int) ((c2.getBlue() - c1.getBlue()) * factor |
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+ c1.getBlue()); |
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Color interpolated = new Color(rInt, gInt, bInt); |
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g.setColor(interpolated); |
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g.drawLine(xc, y, xc, y + h); |
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} |
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// Paint solid c2 area. |
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g.setColor(c2); |
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g.fillRect(x1, y, x2 - x1, h); |
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// Paint second gradient area (c2->c1). |
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for (xc = x2; xc < x3; xc++) |
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{ |
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if (xc > x + w) |
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break; |
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// Perform color interpolation; |
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double factor = (xc - x2) / (double) w1; |
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int rInt = (int) ((c1.getRed() - c2.getRed()) * factor + c2.getRed()); |
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int gInt = (int) ((c1.getGreen() - c2.getGreen()) * factor |
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+ c2.getGreen()); |
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int bInt = (int) ((c1.getBlue() - c2.getBlue()) * factor |
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+ c2.getBlue()); |
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Color interpolated = new Color(rInt, gInt, bInt); |
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g.setColor(interpolated); |
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g.drawLine(xc, y, xc, y + h); |
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} |
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// Paint third gradient area (c1->c3). |
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for (xc = x3; xc < x4; xc++) |
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{ |
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if (xc > x + w) |
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break; |
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// Perform color interpolation; |
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double factor = (xc - x3) / (double) (x4 - x3); |
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int rInt = (int) ((c3.getRed() - c1.getRed()) * factor + c1.getRed()); |
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int gInt = (int) ((c3.getGreen() - c1.getGreen()) * factor |
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+ c1.getGreen()); |
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int bInt = (int) ((c3.getBlue() - c1.getBlue()) * factor |
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+ c1.getBlue()); |
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Color interpolated = new Color(rInt, gInt, bInt); |
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g.setColor(interpolated); |
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g.drawLine(xc, y, xc, y + h); |
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} |
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} |
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/** |
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* Paints a vertical gradient. See {@link #paintGradient(Graphics, int, int, |
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* int, int, double, double, Color, Color, Color, int)} for details. |
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* |
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* @param x the X coordinate of the upper left corner of the rectangle |
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* @param y the Y coordinate of the upper left corner of the rectangle |
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* @param w the width of the rectangle |
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* @param h the height of the rectangle |
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* @param g1 the relative width of the c1->c2 gradients |
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* @param g2 the relative width of the c2 solid area |
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* @param c1 the color 1 |
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* @param c2 the color 2 |
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* @param c3 the color 3 |
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*/ |
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static void paintVerticalGradient(Graphics g, int x, int y, int w, int h, |
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double g1, double g2, Color c1, Color c2, |
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Color c3) |
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{ |
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// Calculate the coordinates. |
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// The size of the first gradient area (c1->2). |
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int w1 = (int) (h * g1); |
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// The size of the solid c2 area. |
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int w2 = (int) (h * g2); |
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int y0 = y; |
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int y1 = y0 + w1; |
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int y2 = y1 + w2; |
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int y3 = y2 + w1; |
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int y4 = y + h; |
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// Paint first gradient area (c1->c2). |
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int yc; // The current y coordinate. |
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for (yc = y0; yc < y1; yc++) |
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{ |
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if (yc > y + h) |
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break; |
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// Perform color interpolation; |
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double factor = (yc - y0) / (double) w1; |
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int rInt = (int) ((c2.getRed() - c1.getRed()) * factor + c1.getRed()); |
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int gInt = (int) ((c2.getGreen() - c1.getGreen()) * factor |
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+ c1.getGreen()); |
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int bInt = (int) ((c2.getBlue() - c1.getBlue()) * factor |
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+ c1.getBlue()); |
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Color interpolated = new Color(rInt, gInt, bInt); |
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g.setColor(interpolated); |
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g.drawLine(x, yc, x + w, yc); |
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} |
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// Paint solid c2 area. |
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g.setColor(c2); |
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g.fillRect(x, y1, w, y2 - y1); |
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// Paint second gradient area (c2->c1). |
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for (yc = y2; yc < y3; yc++) |
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{ |
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if (yc > y + h) |
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break; |
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// Perform color interpolation; |
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double factor = (yc - y2) / (double) w1; |
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int rInt = (int) ((c1.getRed() - c2.getRed()) * factor + c2.getRed()); |
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int gInt = (int) ((c1.getGreen() - c2.getGreen()) * factor |
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+ c2.getGreen()); |
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int bInt = (int) ((c1.getBlue() - c2.getBlue()) * factor |
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+ c2.getBlue()); |
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Color interpolated = new Color(rInt, gInt, bInt); |
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g.setColor(interpolated); |
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g.drawLine(x, yc, x + w, yc); |
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} |
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// Paint third gradient area (c1->c3). |
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for (yc = y3; yc < y4; yc++) |
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{ |
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if (yc > y + h) |
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break; |
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// Perform color interpolation; |
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double factor = (yc - y3) / (double) (y4 - y3); |
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int rInt = (int) ((c3.getRed() - c1.getRed()) * factor + c1.getRed()); |
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int gInt = (int) ((c3.getGreen() - c1.getGreen()) * factor |
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+ c1.getGreen()); |
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int bInt = (int) ((c3.getBlue() - c1.getBlue()) * factor |
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+ c1.getBlue()); |
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Color interpolated = new Color(rInt, gInt, bInt); |
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g.setColor(interpolated); |
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g.drawLine(x, yc, x + w, yc); |
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} |
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} |
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} |
} |