Examples with StaticLayout android.text.StaticLayout used on opensource projects

Example 1 with StaticLayout

use of android.text.StaticLayout in project philm by chrisbanes.

the class AutofitTextView method getLineCount.

private static int getLineCount(String text, TextPaint paint, float size, float width, DisplayMetrics displayMetrics) {
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, size, displayMetrics));
    StaticLayout layout = new StaticLayout(text, paint, (int) width, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
    return layout.getLineCount();
}

Example 2 with StaticLayout

use of android.text.StaticLayout in project UltimateAndroid by cymcsg.

the class AutofitTextView method getTextSize.

/**
     * Recursive binary search to find the best size for the text
     */
private static float getTextSize(CharSequence text, TextPaint paint, float targetWidth, int maxLines, float low, float high, float precision, DisplayMetrics displayMetrics) {
    float mid = (low + high) / 2.0f;
    int lineCount = 1;
    StaticLayout layout = null;
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, mid, displayMetrics));
    if (maxLines != 1) {
        layout = new StaticLayout(text, paint, (int) targetWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
        lineCount = layout.getLineCount();
    }
    if (SPEW)
        Log.d(TAG, "low=" + low + " high=" + high + " mid=" + mid + " target=" + targetWidth + " maxLines=" + maxLines + " lineCount=" + lineCount);
    if (lineCount > maxLines) {
        return getTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
    } else if (lineCount < maxLines) {
        return getTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
    } else {
        float maxLineWidth = 0;
        if (maxLines == 1) {
            maxLineWidth = paint.measureText(text, 0, text.length());
        } else {
            for (int i = 0; i < lineCount; i++) {
                if (layout.getLineWidth(i) > maxLineWidth) {
                    maxLineWidth = layout.getLineWidth(i);
                }
            }
        }
        if ((high - low) < precision) {
            return low;
        } else if (maxLineWidth > targetWidth) {
            return getTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
        } else if (maxLineWidth < targetWidth) {
            return getTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
        } else {
            return mid;
        }
    }
}

Example 3 with StaticLayout

use of android.text.StaticLayout in project MPAndroidChart by PhilJay.

the class PieChartRenderer method drawCenterText.

/**
     * draws the description text in the center of the pie chart makes most
     * sense when center-hole is enabled
     */
protected void drawCenterText(Canvas c) {
    CharSequence centerText = mChart.getCenterText();
    if (mChart.isDrawCenterTextEnabled() && centerText != null) {
        MPPointF center = mChart.getCenterCircleBox();
        MPPointF offset = mChart.getCenterTextOffset();
        float x = center.x + offset.x;
        float y = center.y + offset.y;
        float innerRadius = mChart.isDrawHoleEnabled() && !mChart.isDrawSlicesUnderHoleEnabled() ? mChart.getRadius() * (mChart.getHoleRadius() / 100f) : mChart.getRadius();
        RectF holeRect = mRectBuffer[0];
        holeRect.left = x - innerRadius;
        holeRect.top = y - innerRadius;
        holeRect.right = x + innerRadius;
        holeRect.bottom = y + innerRadius;
        RectF boundingRect = mRectBuffer[1];
        boundingRect.set(holeRect);
        float radiusPercent = mChart.getCenterTextRadiusPercent() / 100f;
        if (radiusPercent > 0.0) {
            boundingRect.inset((boundingRect.width() - boundingRect.width() * radiusPercent) / 2.f, (boundingRect.height() - boundingRect.height() * radiusPercent) / 2.f);
        }
        if (!centerText.equals(mCenterTextLastValue) || !boundingRect.equals(mCenterTextLastBounds)) {
            // Next time we won't recalculate StaticLayout...
            mCenterTextLastBounds.set(boundingRect);
            mCenterTextLastValue = centerText;
            float width = mCenterTextLastBounds.width();
            // If width is 0, it will crash. Always have a minimum of 1
            mCenterTextLayout = new StaticLayout(centerText, 0, centerText.length(), mCenterTextPaint, (int) Math.max(Math.ceil(width), 1.f), Layout.Alignment.ALIGN_CENTER, 1.f, 0.f, false);
        }
        //float layoutWidth = Utils.getStaticLayoutMaxWidth(mCenterTextLayout);
        float layoutHeight = mCenterTextLayout.getHeight();
        c.save();
        if (Build.VERSION.SDK_INT >= 18) {
            Path path = mDrawCenterTextPathBuffer;
            path.reset();
            path.addOval(holeRect, Path.Direction.CW);
            c.clipPath(path);
        }
        c.translate(boundingRect.left, boundingRect.top + (boundingRect.height() - layoutHeight) / 2.f);
        mCenterTextLayout.draw(c);
        c.restore();
        MPPointF.recycleInstance(center);
        MPPointF.recycleInstance(offset);
    }
}

Example 4 with StaticLayout

use of android.text.StaticLayout in project LuaViewSDK by alibaba.

the class TextUtil method getAutofitTextSize.

/**
     * Recursive binary search to find the best size for the text.
     */
private static float getAutofitTextSize(CharSequence text, TextPaint paint, float targetWidth, int maxLines, float low, float high, float precision, DisplayMetrics displayMetrics) {
    float mid = (low + high) / 2.0f;
    int lineCount = 1;
    StaticLayout layout = null;
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, mid, displayMetrics));
    if (maxLines != 1) {
        layout = new StaticLayout(text, paint, (int) targetWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
        lineCount = layout.getLineCount();
    }
    if (SPEW)
        Log.d(TAG, "low=" + low + " high=" + high + " mid=" + mid + " target=" + targetWidth + " maxLines=" + maxLines + " lineCount=" + lineCount);
    if (lineCount > maxLines) {
        // For the case that `text` has more newline characters than `maxLines`.
        if ((high - low) < precision) {
            return low;
        }
        return getAutofitTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
    } else if (lineCount < maxLines) {
        return getAutofitTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
    } else {
        float maxLineWidth = 0;
        if (maxLines == 1) {
            maxLineWidth = paint.measureText(text, 0, text.length());
        } else {
            for (int i = 0; i < lineCount; i++) {
                if (layout.getLineWidth(i) > maxLineWidth) {
                    maxLineWidth = layout.getLineWidth(i);
                }
            }
        }
        if ((high - low) < precision) {
            return low;
        } else if (maxLineWidth > targetWidth) {
            return getAutofitTextSize(text, paint, targetWidth, maxLines, low, mid, precision, displayMetrics);
        } else if (maxLineWidth < targetWidth) {
            return getAutofitTextSize(text, paint, targetWidth, maxLines, mid, high, precision, displayMetrics);
        } else {
            return mid;
        }
    }
}

Example 5 with StaticLayout

use of android.text.StaticLayout in project LuaViewSDK by alibaba.

the class AutofitHelper method getLineCount.

private static int getLineCount(CharSequence text, TextPaint paint, float size, float width, DisplayMetrics displayMetrics) {
    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, size, displayMetrics));
    StaticLayout layout = new StaticLayout(text, paint, (int) width, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
    return layout.getLineCount();
}