Example usage for android.text TextPaint setTextSize

Introduction

In this page you can find the example usage for android.text TextPaint setTextSize.

Prototype

public void setTextSize(float textSize) 

Source Link

Document

Set the paint's text size.

Usage

From source file:org.wikipedia.page.shareafact.SnippetImage.java

@NonNull
private static Layout drawTextSnippet(@NonNull Canvas canvas, @NonNull CharSequence textSnippet) {
    final int top = TOP_PADDING;
    final int maxHeight = 225;
    final int maxLines = 5;
    final float maxFontSize = 195.0f;
    final float minFontSize = 32.0f;

    TextPaint textPaint = new TextPaint();
    textPaint.setAntiAlias(true);/*from   ww w . j av a 2 s.c om*/
    textPaint.setColor(Color.WHITE);
    textPaint.setTextSize(maxFontSize);
    textPaint.setStyle(Paint.Style.FILL);
    textPaint.setTypeface(Typeface.DEFAULT_BOLD);
    textPaint.setShadowLayer(1.0f, 1.0f, 1.0f, Color.GRAY);

    StaticLayout textLayout = optimizeTextSize(
            new TextLayoutParams(textSnippet, textPaint, TEXT_WIDTH, SPACING_MULTIPLIER), maxHeight, maxLines,
            maxFontSize, minFontSize);

    canvas.save();
    int horizontalCenterOffset = top + (maxHeight - textLayout.getHeight()) / QUARTER;
    canvas.translate(HORIZONTAL_PADDING, horizontalCenterOffset);
    textLayout.draw(canvas);
    canvas.restore();

    return textLayout;
}

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From source file:org.wikipedia.page.shareafact.SnippetImage.java

private static int drawDescription(@NonNull Canvas canvas, @Nullable String description, int top,
        boolean isArticleRTL) {
    final int marginBottom = 5;
    final int maxHeight = 23;
    final int maxLines = 2;
    final float maxFontSize = 15.0f;
    final float minFontSize = 10.0f;

    if (TextUtils.isEmpty(description)) {
        return top - marginBottom;
    }/*  w  w  w  .j  av  a 2 s .  c o  m*/
    TextPaint textPaint = new TextPaint();
    textPaint.setAntiAlias(true);
    textPaint.setColor(Color.WHITE);
    textPaint.setTextSize(maxFontSize);
    textPaint.setStyle(Paint.Style.FILL);
    textPaint.setShadowLayer(1.0f, 0.0f, 0.0f, Color.GRAY);

    StaticLayout textLayout = optimizeTextSize(
            new TextLayoutParams(description, textPaint, DESCRIPTION_WIDTH, SPACING_MULTIPLIER), maxHeight,
            maxLines, maxFontSize, minFontSize);
    int left = HORIZONTAL_PADDING;
    if (isArticleRTL) {
        left = WIDTH - HORIZONTAL_PADDING - textLayout.getWidth();
    }

    top = top - marginBottom - textLayout.getHeight();
    canvas.save();
    canvas.translate(left, top);
    textLayout.draw(canvas);
    canvas.restore();

    return top;
}

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From source file:org.wikipedia.page.shareafact.SnippetImage.java

private static void drawWordmarkFromText(@NonNull Context context, @NonNull Canvas canvas,
        boolean isArticleRTL) {
    final int maxWidth = WIDTH - DESCRIPTION_WIDTH - 2 * HORIZONTAL_PADDING;
    final float fontSize = 20.0f;
    final float scaleX = 1.06f;

    TextPaint textPaint = new TextPaint();
    textPaint.setAntiAlias(true);/*from w ww.j  av  a  2  s . com*/
    textPaint.setColor(Color.LTGRAY);
    textPaint.setTextSize(fontSize);
    textPaint.setTypeface(SERIF);
    textPaint.setTextScaleX(scaleX);

    Spanned wikipedia = StringUtil.fromHtml(context.getString(R.string.wp_stylized));
    Layout.Alignment align = L10nUtil.isDeviceRTL() ? ALIGN_OPPOSITE : ALIGN_NORMAL;
    StaticLayout wordmarkLayout = buildLayout(
            new TextLayoutParams(wikipedia, textPaint, maxWidth, 1.0f, align));
    final int width = (int) wordmarkLayout.getLineWidth(0);
    final int height = wordmarkLayout.getHeight();

    final int bottom = HEIGHT - BOTTOM_PADDING;
    final int top = bottom - height;

    int left = WIDTH - HORIZONTAL_PADDING - width;
    if (isArticleRTL) {
        left = HORIZONTAL_PADDING;
    }

    canvas.save(); // --
    canvas.translate(left, top);
    wordmarkLayout.draw(canvas);
    canvas.restore(); // --
}

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From source file:com.ecuamobi.deckwallet.util.Renderer.java

public static void printQR(final Activity context, final String addressUri) {
    new AsyncTask<Void, Void, Bitmap>() {

        @Override/*from  www  .  j a v  a  2 s . co  m*/
        protected Bitmap doInBackground(Void... params) {
            TextPaint textPaint = new TextPaint();
            textPaint.setAntiAlias(true);
            textPaint.setColor(0xFF000000);
            final int bitmapMargin = 100;//big margin is to prevent possible clipping
            final int textHeight = 28;
            textPaint.setTextSize(textHeight);
            textPaint.setTextAlign(Paint.Align.CENTER);
            final int qrCodePadding = (int) (textPaint.descent() * 2);
            int textWidth = getTextWidth(addressUri, textPaint);
            QRCode addressQrCode = QRCode.getMinimumQRCode(addressUri, ErrorCorrectLevel.M);
            Bitmap addressQrCodeBitmap = addressQrCode.createImage(textWidth);
            Bitmap bmp = Bitmap.createBitmap(textWidth + bitmapMargin * 2,
                    addressQrCodeBitmap.getHeight() + qrCodePadding * 2 + bitmapMargin * 2,
                    Bitmap.Config.RGB_565);
            Canvas canvas = new Canvas(bmp);
            Paint paint = new Paint();
            paint.setStyle(Paint.Style.FILL);
            paint.setARGB(0xFF, 0xFF, 0xFF, 0xFF);
            paint.setAntiAlias(false);
            canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), paint);

            int centerXForAddress = bitmapMargin + textWidth / 2;
            int y = bitmapMargin + qrCodePadding;
            Paint qrCodePaint = new Paint();
            qrCodePaint.setAntiAlias(false);
            qrCodePaint.setDither(false);
            canvas.drawBitmap(addressQrCodeBitmap, centerXForAddress - addressQrCodeBitmap.getWidth() / 2, y,
                    qrCodePaint);
            y += qrCodePadding - textPaint.ascent();
            canvas.drawText(addressUri, centerXForAddress, y + addressQrCodeBitmap.getHeight(), textPaint);
            return bmp;
        }

        @Override
        protected void onPostExecute(final Bitmap bitmap) {
            if (bitmap != null) {
                //DEBUG
                //                    android.app.AlertDialog.Builder builder = new android.app.AlertDialog.Builder(context);
                //                    android.widget.ImageView view = new android.widget.ImageView(context);
                //                    view.setImageBitmap(bitmap);
                //                    builder.setView(view);
                //                    builder.setPositiveButton(android.R.string.ok, null);
                //                    builder.show();

                PrintHelper printHelper = new PrintHelper(context);
                printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
                printHelper.printBitmap(addressUri, bitmap);
            }

        }
    }.execute();

}

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From source file:org.wikipedia.page.shareafact.SnippetImage.java

private static void drawTitle(@NonNull Canvas canvas, @NonNull String title, int top, boolean isArticleRTL) {
    final int marginBottom = 0;
    final int maxHeight = 70;
    final int maxLines = 2;
    final float maxFontSize = 30.0f;
    final float spacingMultiplier = 0.7f;

    TextPaint textPaint = new TextPaint();
    textPaint.setAntiAlias(true);//ww  w  .  j a  v a2s.  co m
    textPaint.setColor(Color.WHITE);
    textPaint.setTextSize(maxFontSize);
    textPaint.setStyle(Paint.Style.FILL);
    textPaint.setTypeface(SERIF);
    textPaint.setShadowLayer(1.0f, 0.0f, 1.0f, Color.GRAY);

    StaticLayout textLayout = optimizeTextSize(
            new TextLayoutParams(title, textPaint, DESCRIPTION_WIDTH, spacingMultiplier), maxHeight, maxLines,
            maxFontSize, maxFontSize);
    int left = HORIZONTAL_PADDING;
    if (isArticleRTL) {
        left = WIDTH - HORIZONTAL_PADDING - textLayout.getWidth();
    }
    int marginBottomTotal = marginBottom;
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        // versions < 5.0 don't compensate for bottom margin correctly when line
        // spacing is less than 1.0, so we'll compensate ourselves
        final int marginBoost = 10;
        marginBottomTotal += marginBoost;
    }

    top = top - marginBottomTotal - textLayout.getHeight();
    canvas.save();
    canvas.translate(left, top);
    textLayout.draw(canvas);
    canvas.restore();
}

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From source file:au.com.zacher.popularmovies.activity.layout.CollapsingTitleLayout.java

/**
 * Recursive binary search to find the best size for the text
 *
 * Adapted from https://github.com/grantland/android-autofittextview
 *//*from w  w w  .  j  a v a  2  s . com*/
private static float getSingleLineTextSize(String text, TextPaint paint, float targetWidth, float low,
        float high, float precision, DisplayMetrics metrics) {
    final float mid = (low + high) / 2.0f;

    paint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX, mid, metrics));
    final float maxLineWidth = paint.measureText(text);

    if ((high - low) < precision) {
        return low;
    } else if (maxLineWidth > targetWidth) {
        return getSingleLineTextSize(text, paint, targetWidth, low, mid, precision, metrics);
    } else if (maxLineWidth < targetWidth) {
        return getSingleLineTextSize(text, paint, targetWidth, mid, high, precision, metrics);
    } else {
        return mid;
    }
}

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From source file:com.ecuamobi.deckwallet.util.Renderer.java

static void printWallet(final Activity context, final String label, final String addressUri,
        final String privateKey) {
    new AsyncTask<Void, Void, Bitmap>() {

        @Override/*from w ww . ja  v  a 2  s.com*/
        protected Bitmap doInBackground(Void... params) {

            TextPaint textPaint = new TextPaint();
            textPaint.setAntiAlias(true);
            textPaint.setColor(0xFF000000);
            final int bitmapMargin = 100;//big margin is to prevent possible clipping
            final int textHeight = 28;
            final int spaceBetweenQrCodes = 60;
            textPaint.setTextSize(textHeight);
            textPaint.setTextAlign(Paint.Align.CENTER);
            final int qrCodePadding = (int) (textPaint.descent() * 2);
            Rect bounds = new Rect();
            textPaint.getTextBounds(privateKey, 0, privateKey.length(), bounds);
            int textWidth = getTextWidth(privateKey, textPaint);
            ArrayList<String> labelLinesRelaxed = wrap(label, textWidth, false, textPaint);
            for (String titleLine : labelLinesRelaxed) {
                textWidth = Math.max(textWidth, getTextWidth(titleLine, textPaint));
            }
            textWidth = Math.max(textWidth, getTextWidth(addressUri, textPaint));
            QRCode privateKeyQrCode = QRCode.getMinimumQRCode(privateKey, ErrorCorrectLevel.M);
            Bitmap privateKeyQrCodeBitmap = privateKeyQrCode.createImage(textWidth);
            QRCode addressQrCode = QRCode.getMinimumQRCode(addressUri, ErrorCorrectLevel.M);
            Bitmap addressQrCodeBitmap = addressQrCode.createImage(textWidth);
            ArrayList<String> labelLines = wrap(label, textWidth, true, textPaint);
            Bitmap bmp = Bitmap.createBitmap(
                    textWidth * 2 + bitmapMargin * 2 + spaceBetweenQrCodes, privateKeyQrCodeBitmap.getHeight()
                            + textHeight * (labelLines.size() + 1) + qrCodePadding * 2 + bitmapMargin * 2,
                    Bitmap.Config.RGB_565);
            Canvas canvas = new Canvas(bmp);
            Paint paint = new Paint();
            paint.setStyle(Paint.Style.FILL);
            paint.setARGB(0xFF, 0xFF, 0xFF, 0xFF);
            paint.setAntiAlias(false);
            canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), paint);

            int centerXForAddress = bitmapMargin + textWidth / 2;
            int centerXForPrivateKey = bitmapMargin + textWidth + spaceBetweenQrCodes + textWidth / 2;
            int y = (int) (bitmapMargin - textPaint.ascent());
            for (int i = 0; i < labelLines.size(); i++) {
                canvas.drawText(labelLines.get(i), centerXForPrivateKey, y + i * textHeight, textPaint);
            }
            y = bitmapMargin + labelLines.size() * textHeight + qrCodePadding;
            Paint qrCodePaint = new Paint();
            qrCodePaint.setAntiAlias(false);
            qrCodePaint.setDither(false);
            canvas.drawBitmap(addressQrCodeBitmap, centerXForAddress - addressQrCodeBitmap.getWidth() / 2, y,
                    qrCodePaint);
            canvas.drawBitmap(privateKeyQrCodeBitmap,
                    centerXForPrivateKey - privateKeyQrCodeBitmap.getWidth() / 2, y, qrCodePaint);
            y += qrCodePadding - textPaint.ascent();
            canvas.drawText(addressUri, centerXForAddress, y + addressQrCodeBitmap.getHeight(), textPaint);
            canvas.drawText(privateKey, centerXForPrivateKey, y + privateKeyQrCodeBitmap.getHeight(),
                    textPaint);
            return bmp;
        }

        @Override
        protected void onPostExecute(final Bitmap bitmap) {
            if (bitmap != null) {
                //DEBUG
                //                    android.app.AlertDialog.Builder builder = new android.app.AlertDialog.Builder(context);
                //                    android.widget.ImageView view = new android.widget.ImageView(context);
                //                    view.setImageBitmap(bitmap);
                //                    builder.setView(view);
                //                    builder.setPositiveButton(android.R.string.ok, null);
                //                    builder.show();

                PrintHelper printHelper = new PrintHelper(context);
                printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
                printHelper.printBitmap(label, bitmap);
            }

        }
    }.execute();
}

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From source file:se.attentec.attenhome.TypefaceSpan.java

@Override
public void updateMeasureState(TextPaint p) {
    p.setTypeface(mTypeface);/*from   www.j a v  a 2  s  .  c om*/
    p.setTextSize(mTextSize);
    p.setColor(mColor);
    // Note: This flag is required for proper typeface rendering
    p.setFlags(p.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
}

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From source file:se.attentec.attenhome.TypefaceSpan.java

@Override
public void updateDrawState(TextPaint tp) {
    tp.setTypeface(mTypeface);/*from w  w w.  ja  v  a2 s  . com*/
    tp.setTextSize(mTextSize);
    tp.setColor(mColor);
    // Note: This flag is required for proper typeface rendering
    tp.setFlags(tp.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
}

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From source file:com.busdrone.android.ui.VehicleMarkerRenderer.java

private Bitmap render(int color, String text) {
    TextPaint textPaint = new TextPaint();
    textPaint.setColor(Color.WHITE);
    textPaint.setStyle(Paint.Style.FILL);
    textPaint.setAntiAlias(true);/* ww w .j  a v  a 2s . c  om*/
    textPaint.setTextSize(mTextSize);

    Rect textBounds = new Rect();
    textPaint.getTextBounds(text, 0, text.length(), textBounds);

    int width = mPadding + textBounds.width() + mPadding;
    int height = mPadding + textBounds.height() + mPadding;

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmap);

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.FILL);
    paint.setColor(color);
    canvas.drawRoundRect(new RectF(0, 0, width, height), mCornerRadius, mCornerRadius, paint);

    canvas.drawText(text, (width / 2f) - (textBounds.width() / 2f), (height / 2f) + (textBounds.height() / 2f),
            textPaint);

    return bitmap;
}

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