Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\javafx\font\directwrite\DWFontFile.java

/*
 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.javafx.font.directwrite;

import com.sun.javafx.font.Disposer;
import com.sun.javafx.font.FontStrikeDesc;
import com.sun.javafx.font.PrismFontFactory;
import com.sun.javafx.font.PrismFontFile;
import com.sun.javafx.font.PrismFontStrike;
import com.sun.javafx.geom.Path2D;
import com.sun.javafx.geom.RectBounds;
import com.sun.javafx.geom.transform.BaseTransform;

class DWFontFile extends PrismFontFile {
    private IDWriteFontFace fontFace;
    private DWDisposer disposer;

DWFontFile(String name, String filename, int fIndex, boolean register,
               boolean embedded, boolean copy, boolean tracked) throws Exception {
        super(name, filename, fIndex, register, embedded, copy, tracked);
        fontFace = createFontFace();

if (PrismFontFactory.debugFonts) {
            if (fontFace == null) {
                System.err.println("Failed to create IDWriteFontFace for " + this);
            }
        }

if (copy) {
            disposer = new DWDisposer(fontFace);
            Disposer.addRecord(this, disposer);
        }
    }

private IDWriteFontFace createEmbeddedFontFace() {
        IDWriteFactory factory = DWFactory.getDWriteFactory();
        IDWriteFontFile fontFile = factory.CreateFontFileReference(getFileName());
        if (fontFile == null) return null;
        boolean[] isSupportedFontType = new boolean[1];
        int[] fontFileType = new int[1];
        int[] fontFaceType = new int[1];
        int[] numberOfFaces = new int[1];
        int hr = fontFile.Analyze(isSupportedFontType, fontFileType, fontFaceType, numberOfFaces);
        IDWriteFontFace face = null;
        if (hr == OS.S_OK && isSupportedFontType[0]) {
            int faceIndex = getFontIndex();
            int simulation = OS.DWRITE_FONT_SIMULATIONS_NONE;
            face = factory.CreateFontFace(fontFaceType[0], fontFile, faceIndex, simulation);
        }
        fontFile.Release();
        return face;
    }

private IDWriteFontFace createFontFace() {
        if (isEmbeddedFont()) {
            return createEmbeddedFontFace();
        }

IDWriteFontCollection collection = DWFactory.getFontCollection();
        int index = collection.FindFamilyName(getFamilyName());
        if (index == -1) {
            /* This can happen when the family name reported by GDI does not
             * match family name in DirectWrite. For example, GDI reports
             * 'Arial Black' as family name while DirectWrite represents the
             * same font using family equals to 'Arial' and style equals to
             * DWRITE_FONT_WEIGHT_BLACK. The fix to try to create the font
             * using the font file.
             */
            return createEmbeddedFontFace();
        }

IDWriteFontFamily family = collection.GetFontFamily(index);
        if (family == null) return null;
        int weight = isBold() ? OS.DWRITE_FONT_WEIGHT_BOLD :
                                OS.DWRITE_FONT_WEIGHT_NORMAL;
        int stretch = OS.DWRITE_FONT_STRETCH_NORMAL;
        int style = isItalic() ? OS.DWRITE_FONT_STYLE_ITALIC :
                                 OS.DWRITE_FONT_STYLE_NORMAL;
        IDWriteFont font = family.GetFirstMatchingFont(weight, stretch, style);
        family.Release();
        if (font == null) return null;
        IDWriteFontFace face = font.CreateFontFace();
        font.Release();
        return face;
    }

IDWriteFontFace getFontFace() {
        return fontFace;
    }

Path2D getGlyphOutline(int gc, float size) {
        if (fontFace == null) return null;
        if (size == 0) return new Path2D();
        return fontFace.GetGlyphRunOutline(size, (short)gc, false);
    }

RectBounds getBBox(int glyphCode, float size) {
        /* In coretext and t2k this is the bounds for the path of the glyph */
        float[] bb = new float[4];
        getGlyphBoundingBox(glyphCode, size, bb);
        return new RectBounds(bb[0], bb[1], bb[2], bb[3]);
    }

@Override protected int[] createGlyphBoundingBox(int gc) {
        if (fontFace == null) return null;
        DWRITE_GLYPH_METRICS metrics = fontFace.GetDesignGlyphMetrics((short)gc, false);
        if (metrics == null) return null;
        int[] bb = new int[4];
        bb[0] = metrics.leftSideBearing;
        bb[1] = metrics.verticalOriginY - metrics.advanceHeight + metrics.bottomSideBearing;
        bb[2] = metrics.advanceWidth - metrics.rightSideBearing;
        bb[3] = metrics.verticalOriginY - metrics.topSideBearing;
        return bb;
    }

@Override
    protected PrismFontStrike<DWFontFile> createStrike(float size, BaseTransform transform,
                                                       int aaMode, FontStrikeDesc desc) {
        return new DWFontStrike(this, size, transform, aaMode, desc);
    }

/* This is called only for fonts where a temp file was created
     */
    @Override
    protected synchronized void disposeOnShutdown() {
        if (fontFace != null) {
            //If this isn't done, Windows won't delete the file, since
            // DW will have it open.
            if (disposer != null) {
                disposer.dispose();
            } else {
                fontFace.Release();
                if (PrismFontFactory.debugFonts) {
                    System.err.println("null disposer for " + fontFace);
                }
            }
            if (PrismFontFactory.debugFonts) {
                System.err.println("fontFace freed: " + fontFace);
            }
            fontFace = null;
        }
        super.disposeOnShutdown(); // deletes the file.
    }
}

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