Examples with FontRenderContext java.awt.font.FontRenderContext used on opensource projects

Example 71 with FontRenderContext

use of java.awt.font.FontRenderContext in project poi by apache.

the class DrawTextParagraph method tab2space.

/**
     * Replace a tab with the effective number of white spaces.
     */
private String tab2space(TextRun tr) {
    AttributedString string = new AttributedString(" ");
    String fontFamily = tr.getFontFamily();
    if (fontFamily == null) {
        fontFamily = "Lucida Sans";
    }
    string.addAttribute(TextAttribute.FAMILY, fontFamily);
    Double fs = tr.getFontSize();
    if (fs == null) {
        fs = 12d;
    }
    string.addAttribute(TextAttribute.SIZE, fs.floatValue());
    TextLayout l = new TextLayout(string.getIterator(), new FontRenderContext(null, true, true));
    double wspace = l.getAdvance();
    Double tabSz = paragraph.getDefaultTabSize();
    if (tabSz == null) {
        tabSz = wspace * 4;
    }
    int numSpaces = (int) Math.ceil(tabSz / wspace);
    StringBuilder buf = new StringBuilder();
    for (int i = 0; i < numSpaces; i++) {
        buf.append(' ');
    }
    return buf.toString();
}

Example 72 with FontRenderContext

use of java.awt.font.FontRenderContext in project jgnash by ccavanaugh.

the class AWTFontUtilities method getFontRenderContext.

private static synchronized FontRenderContext getFontRenderContext() {
    FontRenderContext context = contextReference.get();
    if (context == null) {
        context = new FontRenderContext(null, true, true);
        contextReference = new SoftReference<>(context);
    }
    return context;
}

Example 73 with FontRenderContext

use of java.awt.font.FontRenderContext in project jgnash by ccavanaugh.

the class AWTFontUtilities method getStringWidth.

/**
     * Calculates the width of the specified {@code String}.
     * 
     * @param text the text to be weighted.
     * @param font the font to be weighted
     * @return the width of the given string in 1/72" dpi.
     */
private static int getStringWidth(final String text, final Font font) {
    final FontRenderContext frc = getFontRenderContext();
    // text is padded by one space
    final Rectangle2D bounds = font.getStringBounds(text + " ", frc);
    return (int) ceil(bounds.getWidth()) + 5;
}

Example 74 with FontRenderContext

use of java.awt.font.FontRenderContext in project chipKIT32-MAX by chipKIT32.

the class CompositionTextManager method getTextLayout.

private TextLayout getTextLayout(AttributedCharacterIterator text, int committed_count) {
    AttributedString composed = new AttributedString(text, committed_count, text.getEndIndex());
    Font font = textArea.getPainter().getFont();
    FontRenderContext context = ((Graphics2D) (textArea.getPainter().getGraphics())).getFontRenderContext();
    composed.addAttribute(TextAttribute.FONT, font);
    TextLayout layout = new TextLayout(composed.getIterator(), context);
    return layout;
}

Example 75 with FontRenderContext

use of java.awt.font.FontRenderContext in project android_frameworks_base by crdroidandroid.

the class BidiRenderer method render.

/**
     * Renders the text to the right of the bounds with the given font.
     * @param font The font to render the text with.
     */
private void render(int start, int limit, Font font, int flag, float[] advances, int advancesIndex, boolean draw) {
    FontRenderContext frc;
    if (mGraphics != null) {
        frc = mGraphics.getFontRenderContext();
    } else {
        frc = Toolkit.getDefaultToolkit().getFontMetrics(font).getFontRenderContext();
        // Metrics obtained this way don't have anti-aliasing set. So,
        // we create a new FontRenderContext with anti-aliasing set.
        frc = new FontRenderContext(font.getTransform(), mPaint.isAntiAliased(), frc.usesFractionalMetrics());
    }
    GlyphVector gv = font.layoutGlyphVector(frc, mText, start, limit, flag);
    int ng = gv.getNumGlyphs();
    int[] ci = gv.getGlyphCharIndices(0, ng, null);
    if (advances != null) {
        for (int i = 0; i < ng; i++) {
            int adv_idx = advancesIndex + ci[i];
            advances[adv_idx] += gv.getGlyphMetrics(i).getAdvanceX();
        }
    }
    if (draw && mGraphics != null) {
        mGraphics.drawGlyphVector(gv, mBounds.right, mBaseline);
    }
    // Update the bounds.
    Rectangle2D awtBounds = gv.getLogicalBounds();
    RectF bounds = awtRectToAndroidRect(awtBounds, mBounds.right, mBaseline);
    // coordinates from the bounds as an offset.
    if (Math.abs(mBounds.right - mBounds.left) == 0) {
        mBounds = bounds;
    } else {
        mBounds.union(bounds);
    }
}