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

Example 6 with FontRenderContext

use of java.awt.font.FontRenderContext in project smile by haifengl.

the class Graphics method drawText.

/**
     * Draw a string with given reference point and rotation angle. (0.5, 0.5)
     * is center, (0, 0) is lower left, (0, 1) is upper left, etc. The angle of
     * rotation is in radians. The coordinates are logical coordinates.
     */
public void drawText(String label, double horizontalReference, double verticalReference, double rotation, double[] coord) {
    int[] sc = projection.screenProjection(coord);
    int x = sc[0];
    int y = sc[1];
    AffineTransform transform = g2d.getTransform();
    // Corner offset adjustment : Text Offset is used Here
    FontRenderContext frc = g2d.getFontRenderContext();
    Font font = g2d.getFont();
    double w = font.getStringBounds(label, frc).getWidth();
    double h = font.getSize2D();
    if (rotation != 0) {
        g2d.rotate(rotation, x, y);
    }
    x -= (int) (w * horizontalReference);
    y += (int) (h * verticalReference);
    g2d.drawString(label, x, y);
    g2d.setTransform(transform);
}

Example 7 with FontRenderContext

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

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);
    }
}

Example 8 with FontRenderContext

use of java.awt.font.FontRenderContext in project jdk8u_jdk by JetBrains.

the class TestLayoutVsICU method show.

private void show(String arg) throws ParserConfigurationException, SAXException, IOException {
    id = "<none>";
    File xmlFile = new File(arg);
    if (!xmlFile.exists()) {
        throw new FileNotFoundException("Can't open input XML file " + arg);
    }
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    if (OPT_VERBOSE) {
        System.out.println("# Parsing " + xmlFile.getAbsolutePath());
    }
    Document doc = db.parse(xmlFile);
    Element e = doc.getDocumentElement();
    if (!XML_LAYOUT_TESTS.equals(e.getNodeName())) {
        throw new IllegalArgumentException("Document " + xmlFile.getAbsolutePath() + " does not have <layout-tests> as its base");
    }
    NodeList testCases = e.getElementsByTagName(XML_TEST_CASE);
    for (int caseNo = 0; caseNo < testCases.getLength(); caseNo++) {
        final Node testCase = testCases.item(caseNo);
        final Map<String, String> testCaseAttrs = attrs(testCase);
        id = testCaseAttrs.get(XML_ID);
        final String script = testCaseAttrs.get(XML_SCRIPT);
        String testText = null;
        Integer[] expectGlyphs = null;
        Integer[] expectIndices = null;
        Map<String, String> fontAttrs = null;
        if (OPT_VERBOSE) {
            System.out.println("#" + caseNo + " id=" + id + ", script=" + script);
        }
        NodeList children = testCase.getChildNodes();
        for (int sub = 0; sub < children.getLength(); sub++) {
            Node n = children.item(sub);
            if (n.getNodeType() != Node.ELEMENT_NODE)
                continue;
            String nn = n.getNodeName();
            if (nn.equals(XML_TEST_FONT)) {
                fontAttrs = attrs(n);
            } else if (nn.equals(XML_TEST_TEXT)) {
                testText = n.getTextContent();
            } else if (nn.equals(XML_RESULT_GLYPHS)) {
                String hex = n.getTextContent();
                expectGlyphs = parseHexArray(hex);
            } else if (nn.equals(XML_RESULT_INDICES)) {
                String hex = n.getTextContent();
                expectIndices = parseHexArray(hex);
            } else if (OPT_VERBOSE) {
                System.out.println("Ignoring node " + nn);
            }
        }
        if (fontAttrs == null) {
            throw new IllegalArgumentException(id + " Missing node " + XML_TEST_FONT);
        }
        if (testText == null) {
            throw new IllegalArgumentException(id + " Missing node " + XML_TEST_TEXT);
        }
        String fontName = fontAttrs.get(XML_NAME);
        Font f = getFont(fontName, fontAttrs);
        if (f == null) {
            if (OPT_FAILMISSING) {
                throw new MissingResourceException("Missing font,  abort test", Font.class.getName(), fontName);
            }
            System.out.println("Skipping " + id + " because font is missing: " + fontName);
            skipped++;
            continue;
        }
        FontRenderContext frc = new FontRenderContext(null, true, true);
        TextLayout tl = new TextLayout(testText, f, frc);
        final List<GlyphVector> glyphs = new ArrayList<GlyphVector>();
        Graphics2D myg2 = new Graphics2D() {

            @Override
            public void draw(Shape s) {
            // TODO Auto-generated method stub
            }

            @Override
            public boolean drawImage(Image img, AffineTransform xform, ImageObserver obs) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public void drawImage(BufferedImage img, BufferedImageOp op, int x, int y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawRenderedImage(RenderedImage img, AffineTransform xform) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawRenderableImage(RenderableImage img, AffineTransform xform) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawString(String str, int x, int y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawString(String str, float x, float y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawString(AttributedCharacterIterator iterator, int x, int y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawString(AttributedCharacterIterator iterator, float x, float y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawGlyphVector(GlyphVector g, float x, float y) {
                if (x != 0.0 || y != 0.0) {
                    throw new InternalError("x,y should be 0 but got " + x + "," + y);
                }
                //System.err.println("dGV : " + g.toString() + " @ "+x+","+y);
                glyphs.add(g);
            }

            @Override
            public void fill(Shape s) {
            // TODO Auto-generated method stub
            }

            @Override
            public boolean hit(Rectangle rect, Shape s, boolean onStroke) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public GraphicsConfiguration getDeviceConfiguration() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void setComposite(Composite comp) {
            // TODO Auto-generated method stub
            }

            @Override
            public void setPaint(Paint paint) {
            // TODO Auto-generated method stub
            }

            @Override
            public void setStroke(Stroke s) {
            // TODO Auto-generated method stub
            }

            @Override
            public void setRenderingHint(Key hintKey, Object hintValue) {
            // TODO Auto-generated method stub
            }

            @Override
            public Object getRenderingHint(Key hintKey) {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void setRenderingHints(Map<?, ?> hints) {
            // TODO Auto-generated method stub
            }

            @Override
            public void addRenderingHints(Map<?, ?> hints) {
            // TODO Auto-generated method stub
            }

            @Override
            public RenderingHints getRenderingHints() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void translate(int x, int y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void translate(double tx, double ty) {
            // TODO Auto-generated method stub
            }

            @Override
            public void rotate(double theta) {
            // TODO Auto-generated method stub
            }

            @Override
            public void rotate(double theta, double x, double y) {
            // TODO Auto-generated method stub
            }

            @Override
            public void scale(double sx, double sy) {
            // TODO Auto-generated method stub
            }

            @Override
            public void shear(double shx, double shy) {
            // TODO Auto-generated method stub
            }

            @Override
            public void transform(AffineTransform Tx) {
            // TODO Auto-generated method stub
            }

            @Override
            public void setTransform(AffineTransform Tx) {
            // TODO Auto-generated method stub
            }

            @Override
            public AffineTransform getTransform() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public Paint getPaint() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public Composite getComposite() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void setBackground(Color color) {
            // TODO Auto-generated method stub
            }

            @Override
            public Color getBackground() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public Stroke getStroke() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void clip(Shape s) {
            // TODO Auto-generated method stub
            }

            @Override
            public FontRenderContext getFontRenderContext() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public Graphics create() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public Color getColor() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void setColor(Color c) {
            // TODO Auto-generated method stub
            }

            @Override
            public void setPaintMode() {
            // TODO Auto-generated method stub
            }

            @Override
            public void setXORMode(Color c1) {
            // TODO Auto-generated method stub
            }

            @Override
            public Font getFont() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void setFont(Font font) {
            // TODO Auto-generated method stub
            }

            @Override
            public FontMetrics getFontMetrics(Font f) {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public Rectangle getClipBounds() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void clipRect(int x, int y, int width, int height) {
            // TODO Auto-generated method stub
            }

            @Override
            public void setClip(int x, int y, int width, int height) {
            // TODO Auto-generated method stub
            }

            @Override
            public Shape getClip() {
                // TODO Auto-generated method stub
                return null;
            }

            @Override
            public void setClip(Shape clip) {
            // TODO Auto-generated method stub
            }

            @Override
            public void copyArea(int x, int y, int width, int height, int dx, int dy) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawLine(int x1, int y1, int x2, int y2) {
            // TODO Auto-generated method stub
            }

            @Override
            public void fillRect(int x, int y, int width, int height) {
            // TODO Auto-generated method stub
            }

            @Override
            public void clearRect(int x, int y, int width, int height) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) {
            // TODO Auto-generated method stub
            }

            @Override
            public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawOval(int x, int y, int width, int height) {
            // TODO Auto-generated method stub
            }

            @Override
            public void fillOval(int x, int y, int width, int height) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawArc(int x, int y, int width, int height, int startAngle, int arcAngle) {
            // TODO Auto-generated method stub
            }

            @Override
            public void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawPolyline(int[] xPoints, int[] yPoints, int nPoints) {
            // TODO Auto-generated method stub
            }

            @Override
            public void drawPolygon(int[] xPoints, int[] yPoints, int nPoints) {
            // TODO Auto-generated method stub
            }

            @Override
            public void fillPolygon(int[] xPoints, int[] yPoints, int nPoints) {
            // TODO Auto-generated method stub
            }

            @Override
            public boolean drawImage(Image img, int x, int y, ImageObserver observer) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public boolean drawImage(Image img, int x, int y, int width, int height, ImageObserver observer) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public boolean drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public boolean drawImage(Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer) {
                // TODO Auto-generated method stub
                return false;
            }

            @Override
            public void dispose() {
            // TODO Auto-generated method stub
            }
        };
        tl.draw(myg2, 0, 0);
        if (glyphs.size() != 1) {
            err("drew " + glyphs.size() + " times - expected 1");
            total++;
            bad++;
            continue;
        }
        boolean isBad = false;
        GlyphVector gv = glyphs.get(0);
        // GLYPHS
        int[] gotGlyphs = gv.getGlyphCodes(0, gv.getNumGlyphs(), new int[gv.getNumGlyphs()]);
        // go up to this count
        int count = Math.min(gotGlyphs.length, expectGlyphs.length);
        for (int i = 0; i < count; i++) {
            if (gotGlyphs[i] != expectGlyphs[i]) {
                err("@" + i + " - got \tglyph 0x" + Integer.toHexString(gotGlyphs[i]) + " wanted 0x" + Integer.toHexString(expectGlyphs[i]));
                isBad = true;
                break;
            }
        }
        // INDICES
        int[] gotIndices = gv.getGlyphCharIndices(0, gv.getNumGlyphs(), new int[gv.getNumGlyphs()]);
        for (int i = 0; i < count; i++) {
            if (gotIndices[i] != expectIndices[i]) {
                err("@" + i + " - got \tindex 0x" + Integer.toHexString(gotGlyphs[i]) + " wanted 0x" + Integer.toHexString(expectGlyphs[i]));
                isBad = true;
                break;
            }
        }
        // COUNT
        if (gotGlyphs.length != expectGlyphs.length) {
            System.out.println("Got " + gotGlyphs.length + " wanted " + expectGlyphs.length + " glyphs");
            isBad = true;
        } else {
            if (OPT_VERBOSE) {
                System.out.println(">> OK: " + gotGlyphs.length + " glyphs");
            }
        }
        if (isBad) {
            bad++;
            System.out.println("* FAIL: " + id + "  /\t" + fontName);
        } else {
            System.out.println("* OK  : " + id + "  /\t" + fontName);
        }
        total++;
    }
}

Example 9 with FontRenderContext

use of java.awt.font.FontRenderContext in project jdk8u_jdk by JetBrains.

the class TranslatedOutlineTest method main.

public static void main(String[] a) {
    /* prepare blank image */
    BufferedImage bi = new BufferedImage(50, 50, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = (Graphics2D) bi.getGraphics();
    g2.setColor(Color.WHITE);
    g2.fillRect(0, 0, 50, 50);
    /* draw outline somethere in the middle of the image */
    FontRenderContext frc = new FontRenderContext(null, false, false);
    g2.setColor(Color.RED);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    GlyphVector gv = g2.getFont().createGlyphVector(frc, "test");
    g2.fill(gv.getOutline(20, 20));
    /* Check if anything was drawn.
         * If y direction is not correct then image is still blank and
         * test will fail.
         */
    int bgcolor = Color.WHITE.getRGB();
    for (int i = 0; i < bi.getWidth(); i++) {
        for (int j = 0; j < bi.getHeight(); j++) {
            if (bi.getRGB(i, j) != bgcolor) {
                System.out.println("Test passed.");
                return;
            }
        }
    }
    throw new RuntimeException("Outline was not detected");
}

Example 10 with FontRenderContext

use of java.awt.font.FontRenderContext in project jdk8u_jdk by JetBrains.

the class GetGlyphCharIndexTest method main.

public static void main(String[] args) {
    Font font = new Font(Font.MONOSPACED, Font.PLAIN, 12);
    FontRenderContext frc = new FontRenderContext(null, false, false);
    GlyphVector gv = font.layoutGlyphVector(frc, "abc".toCharArray(), 1, 3, Font.LAYOUT_LEFT_TO_RIGHT);
    int idx0 = gv.getGlyphCharIndex(0);
    if (idx0 != 0) {
        throw new RuntimeException("Expected 0, got " + idx0);
    }
}