如何删除jSlider的边框 [英] How to remove the Border of jSlider
问题描述
我定制了一个面临一个小问题的jSlider -
I`ve customized an jSlider facing a little problem-
更改值后,我的自定义jSlider上显示了一个边框。对不起,我拍了照片,但我不允许发布。点击它后,未定制的jSlider不会显示这样的边框。
After changing values, on my custom jSlider is a border shown. Sorry, I´ve made pictures but Iàm not allowed to post it. The not customized jSlider do not show such border after click on it.
是否有一个方法我必须覆盖才能摆脱这个边界?提前谢谢你!
Is there an Method i have to Override to get rid of this border? Thank you in advance!
对不起我的英文!希望有人能帮助我!
这是我的自定义用户界面:
Sorry for my english! Hope anyone can help me! This is my Customized UI:
public class RedGreenSliderUI extends BasicSliderUI{
Image knobImage ;
private BasicStroke stroke = new BasicStroke(1f, BasicStroke.CAP_ROUND,
BasicStroke.JOIN_ROUND, 0f, new float[]{1f, 2f}, 0f);
private static final float[] fractions = {0.0f, 0.5f};
private static final Color[] fillColors = {
/* new Color(0x2687AE),*/
/* new Color(0x1658AE)*/
new Color(0xc8041b),
new Color(0xc8041b)
};
private static final Color[] backColors = {
new Color(0x04c814),
new Color(0x04c814)
};
private static final Paint hFillGradient = new LinearGradientPaint(0, 0, 0, 11,
fractions, fillColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Paint hBackGradient = new LinearGradientPaint(0, 0, 0, 11,
fractions, backColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Paint vFillGradient = new LinearGradientPaint(0, 0, 11, 0,
fractions, fillColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Paint vBackGradient = new LinearGradientPaint(0, 0, 11, 0,
fractions, backColors, MultipleGradientPaint.CycleMethod.NO_CYCLE);
private static final Stroke roundEndStroke = new BasicStroke(5,
BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND);
public RedGreenSliderUI( JSlider aSlider ) {
super( aSlider );
try {
this.knobImage = ImageIO.read(getClass().getResource("ringelblumensalbe- Updater-Grafiken/tongThumb01.png")); //.getClassLoader()
} catch ( IOException e ) {
e.printStackTrace();
}
}
public void paintThumb(Graphics g) {
g.drawImage( this.knobImage, thumbRect.x, thumbRect.y, 15, 30, null );
}
@Override
protected Dimension getThumbSize() {
return new Dimension(15, 30);
}
@Override
protected Color getHighlightColor() {
return new Color(98, 94, 0);
}
public void paintTrack(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
if (slider.getOrientation() == JSlider.HORIZONTAL) {
int cy = (trackRect.height / 2) - 2;
g.translate(trackRect.x, trackRect.y + cy);
g2.setStroke(roundEndStroke);
g2.setPaint(hBackGradient);
g2.drawLine(thumbRect.x, 2, trackRect.width, 2);
g2.setPaint(hFillGradient);
g2.drawLine(0, 2, thumbRect.x, 2);
g.translate(-trackRect.x, -(trackRect.y + cy));
} else {
int cx = (trackRect.width / 2) - 2;
g.translate(trackRect.x + cx, trackRect.y);
g2.setStroke(roundEndStroke);
g2.setPaint(vBackGradient);
g2.drawLine(2, 0, 2, thumbRect.y);
g2.setPaint(vFillGradient);
g2.drawLine(2, thumbRect.y, 2, trackRect.height);
g.translate(-(trackRect.x + cx), -trackRect.y);
}
}
编辑:我知道了。答案是覆盖getFocusColor()。
I`ve got it. The answer is to override getFocusColor().
@Override
protected Color getFocusColor(){
return new Color(255,255,255);
}
推荐答案
焦点矩形由以下方式呈现:滑块的UI委托,通常基于 BasicSliderUI
。虽然我不能提倡击败焦点指标,但您可以尝试下列其中一项:
The focus rectangle is renderered by the slider's UI delegate, typically based on BasicSliderUI
. Although I can't advocate defeating the focus indicator, you can try one of the following:
-
使用
UIManager
设置Slider.focus
颜色以匹配Slider.background
。
覆盖 paintFocus()
方法,什么都不做; 此处可以看到相关示例。
Override the paintFocus()
method to do nothing; a related example is seen here.
这篇关于如何删除jSlider的边框的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!