Revision 1632 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.swing/org.gvsig.tools.swing.impl/src/main/java/org/gvsig/tools/swing/impl/DefaultColorChooserController.java
| DefaultColorChooserController.java | ||
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package org.gvsig.tools.swing.impl; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.i18n.I18nManager; |
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import org.gvsig.tools.swing.api.ColorChooserController; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.ToolsSwingManager; |
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public class DefaultColorChooserController implements ColorChooserController {
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|
| ... | ... | |
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} |
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}); |
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if( this.sldAlpha != null ) {
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this.sldAlpha.setMinimum(0); |
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this.sldAlpha.setMaximum(255); |
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this.sldAlpha.addChangeListener(new ChangeListener() {
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@Override |
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public void stateChanged(ChangeEvent e) {
|
| ... | ... | |
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} |
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}); |
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} |
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Font font = this.txtLabel.getFont(); |
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try {
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font = new Font(Font.MONOSPACED, Font.PLAIN, font.getSize()); |
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this.txtLabel.setFont(font); |
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} catch(Exception ex) {
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// If dont set a monospaced font ignore it. |
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font = null; |
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} |
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this.allowNull = allowNull; |
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if( !this.allowNull ) {
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this.color = Color.BLACK; |
| ... | ... | |
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} |
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color = Color.BLACK; |
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} |
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ToolsSwingManager manager = ToolsSwingLocator.getToolsSwingManager(); |
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this.color = color; |
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String text = String.format("%02x %02x%02x%02x",color.getAlpha(),color.getRed(),color.getGreen(),color.getBlue());
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this.txtLabel.setBackground(opaqueColor(this.color)); |
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this.txtLabel.setBackground(manager.opaqueColor(this.color));
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this.txtLabel.setText(text); |
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if( this.sldAlpha != null ) {
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this.sldAlpha.setValue(this.color.getAlpha()); |
| ... | ... | |
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this.txtLabel.invalidate(); |
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} |
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private Color opaqueColor(Color src) {
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// Based on |
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// https://en.wikipedia.org/wiki/Alpha_compositing#Alpha_blending |
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// |
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// when the destination background is opaque |
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// |
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double srca = src.getAlpha() / 255.0; |
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double srca_1 = (1 - srca); |
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Color color = new Color( |
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(int)(src.getRed() * srca + 255 * srca_1) & 0xff, |
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(int)(src.getGreen()* srca + 255 * srca_1) & 0xff, |
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(int)(src.getBlue() * srca + 255 * srca_1) & 0xff |
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); |
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return color; |
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} |
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|
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@Override |
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public Color get() {
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return this.color; |
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