如何在JavaFX中设置字体的字母间距(也称为跟踪)? [英] How to set the letter spacing (aka tracking) of a Font in JavaFX?

问题描述

互联网告诉我它可以在JavaFX 1.x中使用(我发现的大多数示例都是.fx格式，现在已经过时了).但是现在(JavaFX 2. *)似乎无法执行. 我可以想到一种实现所需效果的方法:将每个字母填充到Text中，然后将所有字母添加到FlowPane中，并且将HGap设置为所需的间距.但是，我宁愿将此作为最后的手段. 哦，我也尝试过将-fx-letter-spacing放到样式表中，也没用.

The internet teaches me it was available in JavaFX 1.x (most examples I found, were in the .fx format, which is now obsolete). But it now (JavaFX 2.*) seems impossible to do. I can think of one way for accomplishing the effect I want: stuff every letter in a Text and add all of them to a FlowPane with the HGap set to the wanted spacing. But I'd rather use this as a last resort. Oh, I've also tried putting -fx-letter-spacing in my stylesheet, didn't work either.

推荐答案

我制作了一个适合我需要的自定义类(警告:功能不多)

I made a custom class that fits my needs (warning: doesn't have a lot of functionality)

public class LetterSpacedText extends FlowPane {
    private Font font;
    private Color fill;

    public LetterSpacedText(String s, double spacing) {
        setText(s);
        setHgap(spacing);
    }

    public void setText(String s) {
        getChildren().clear();
        for (int i = 0; i < s.length(); i++) {
            getChildren().add(new Text("" + s.charAt(i)));
        }
        setFont(this.font);
        setFill(this.fill);
    }

    public void setFont(Font font) {
        if (font != null) {
            this.font = font;
            for (Node t : getChildren()) {
                ((Text) t).setFont(font);
            }
        }
    }

    public void setFill(Color fill) {
        if(fill != null) {
            this.fill = fill;
            for (Node t : getChildren()) {
                ((Text) t).setFill(fill);
            }
        }
    }
}

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