Example usage for android.text Layout getPrimaryHorizontal

Introduction

In this page you can find the example usage for android.text Layout getPrimaryHorizontal.

Prototype

public float getPrimaryHorizontal(int offset) 

Source Link

Document

Get the primary horizontal position for the specified text offset.

Usage

From source file:io.plaidapp.core.ui.transitions.ReflowText.java

/**
 * Calculate the right boundary for this run (harder than it sounds). As we're a letter ahead,
 * need to grab either current letter start or the end of the previous line. Also need to
 * consider maxLines case, which inserts ellipses at the overflow point  don't include these.
 *//*w ww  .  java  2s  . c  o m*/
private int getRunRight(Layout unrestrictedLayout, Layout maxLinesLayout, int currentLine, int index, int line,
        boolean withinMax, boolean isMaxEllipsis, boolean isLastChar) {
    int runRight;
    if (line != currentLine || isLastChar) {
        if (isMaxEllipsis) {
            runRight = (int) maxLinesLayout.getPrimaryHorizontal(index);
        } else {
            runRight = (int) unrestrictedLayout.getLineMax(currentLine);
        }
    } else {
        if (withinMax) {
            runRight = (int) maxLinesLayout.getPrimaryHorizontal(index);
        } else {
            runRight = (int) unrestrictedLayout.getPrimaryHorizontal(index);
        }
    }
    return runRight;
}

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From source file:com.nttec.everychan.ui.presentation.BoardFragment.java

private Point getSpanCoordinates(View widget, ClickableURLSpan span) {
    TextView parentTextView = (TextView) widget;

    Rect parentTextViewRect = new Rect();

    // Initialize values for the computing of clickedText position
    SpannableString completeText = (SpannableString) (parentTextView).getText();
    Layout textViewLayout = parentTextView.getLayout();

    int startOffsetOfClickedText = completeText.getSpanStart(span);
    int endOffsetOfClickedText = completeText.getSpanEnd(span);
    double startXCoordinatesOfClickedText = textViewLayout.getPrimaryHorizontal(startOffsetOfClickedText);
    double endXCoordinatesOfClickedText = textViewLayout.getPrimaryHorizontal(endOffsetOfClickedText);

    // Get the rectangle of the clicked text
    int currentLineStartOffset = textViewLayout.getLineForOffset(startOffsetOfClickedText);
    int currentLineEndOffset = textViewLayout.getLineForOffset(endOffsetOfClickedText);
    boolean keywordIsInMultiLine = currentLineStartOffset != currentLineEndOffset;
    textViewLayout.getLineBounds(currentLineStartOffset, parentTextViewRect);

    // Update the rectangle position to his real position on screen
    int[] parentTextViewLocation = { 0, 0 };
    parentTextView.getLocationOnScreen(parentTextViewLocation);

    double parentTextViewTopAndBottomOffset = (parentTextViewLocation[1] - parentTextView.getScrollY()
            + parentTextView.getCompoundPaddingTop());

    Rect windowRect = new Rect();
    activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(windowRect);
    parentTextViewTopAndBottomOffset -= windowRect.top;

    parentTextViewRect.top += parentTextViewTopAndBottomOffset;
    parentTextViewRect.bottom += parentTextViewTopAndBottomOffset;

    parentTextViewRect.left += (parentTextViewLocation[0] + startXCoordinatesOfClickedText
            + parentTextView.getCompoundPaddingLeft() - parentTextView.getScrollX());
    parentTextViewRect.right = (int) (parentTextViewRect.left + endXCoordinatesOfClickedText
            - startXCoordinatesOfClickedText);

    int x = (parentTextViewRect.left + parentTextViewRect.right) / 2;
    int y = (parentTextViewRect.top + parentTextViewRect.bottom) / 2;
    if (keywordIsInMultiLine) {
        x = parentTextViewRect.left;//from ww w. j ava  2 s.  co  m
    }

    return new Point(x, y);
}

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