android.text.StaticLayout#getOffsetForHorizontal ( )源码实例Demo

下面列出了android.text.StaticLayout#getOffsetForHorizontal ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： Telegram-FOSS 文件： TextSelectionHelper.java

@Override
protected int getCharOffsetFromCord(int x, int y, int offsetX, int offsetY, ArticleSelectableView view, boolean maybe) {
    if (view == null) {
        return -1;
    }

    int line = -1;
    x -= offsetX;
    y -= offsetY;

    arrayList.clear();
    view.fillTextLayoutBlocks(arrayList);

    int childIndex;
    if (maybe) {
        childIndex = maybeTextIndex;
    } else {
        childIndex = startPeek ? startViewChildPosition : endViewChildPosition;
    }
    StaticLayout layout = arrayList.get(childIndex).getLayout();
    if (x < 0) {
        x = 1;
    }
    if (y < 0) {
        y = 1;
    }
    if (x > layout.getWidth()) {
        x = layout.getWidth();
    }
    if (y > layout.getLineBottom(layout.getLineCount() - 1)) {
        y = (int) (layout.getLineBottom(layout.getLineCount() - 1) - 1);
    }

    for (int i = 0; i < layout.getLineCount(); i++) {
        if (y > layout.getLineTop(i) && y < layout.getLineBottom(i)) {
            line = i;
            break;
        }
    }
    if (line >= 0) {
        return layout.getOffsetForHorizontal(line, x);
    }

    return -1;
}

源代码2 项目： Telegram 文件： TextSelectionHelper.java

@Override
protected int getCharOffsetFromCord(int x, int y, int offsetX, int offsetY, ArticleSelectableView view, boolean maybe) {
    if (view == null) {
        return -1;
    }

    int line = -1;
    x -= offsetX;
    y -= offsetY;

    arrayList.clear();
    view.fillTextLayoutBlocks(arrayList);

    int childIndex;
    if (maybe) {
        childIndex = maybeTextIndex;
    } else {
        childIndex = startPeek ? startViewChildPosition : endViewChildPosition;
    }
    StaticLayout layout = arrayList.get(childIndex).getLayout();
    if (x < 0) {
        x = 1;
    }
    if (y < 0) {
        y = 1;
    }
    if (x > layout.getWidth()) {
        x = layout.getWidth();
    }
    if (y > layout.getLineBottom(layout.getLineCount() - 1)) {
        y = (int) (layout.getLineBottom(layout.getLineCount() - 1) - 1);
    }

    for (int i = 0; i < layout.getLineCount(); i++) {
        if (y > layout.getLineTop(i) && y < layout.getLineBottom(i)) {
            line = i;
            break;
        }
    }
    if (line >= 0) {
        return layout.getOffsetForHorizontal(line, x);
    }

    return -1;
}

方法所在类

android.text.StaticLayout