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

Example 21 with GlyphVector

use of java.awt.font.GlyphVector in project libgdx by libgdx.

the class BMFontUtil method getGlyph.

/** @return May be null. */
private Glyph getGlyph(char c) {
    char[] chars = { c };
    GlyphVector vector = unicodeFont.getFont().layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
    Rectangle bounds = vector.getGlyphPixelBounds(0, GlyphPage.renderContext, 0, 0);
    return unicodeFont.getGlyph(vector.getGlyphCode(0), c, bounds, vector, 0);
}

Example 22 with GlyphVector

use of java.awt.font.GlyphVector in project libgdx by libgdx.

the class UnicodeFont method initializeFont.

private void initializeFont(Font baseFont, int size, boolean bold, boolean italic) {
    Map attributes = baseFont.getAttributes();
    attributes.put(TextAttribute.SIZE, new Float(size));
    attributes.put(TextAttribute.WEIGHT, bold ? TextAttribute.WEIGHT_BOLD : TextAttribute.WEIGHT_REGULAR);
    attributes.put(TextAttribute.POSTURE, italic ? TextAttribute.POSTURE_OBLIQUE : TextAttribute.POSTURE_REGULAR);
    try {
        attributes.put(TextAttribute.class.getDeclaredField("KERNING").get(null), TextAttribute.class.getDeclaredField("KERNING_ON").get(null));
    } catch (Throwable ignored) {
    }
    font = baseFont.deriveFont(attributes);
    metrics = GlyphPage.scratchGraphics.getFontMetrics(font);
    ascent = metrics.getAscent();
    descent = metrics.getDescent();
    leading = metrics.getLeading();
    // Determine width of space glyph (getGlyphPixelBounds gives a width of zero).
    char[] chars = " ".toCharArray();
    GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
    spaceWidth = vector.getGlyphLogicalBounds(0).getBounds().width;
}

Example 23 with GlyphVector

use of java.awt.font.GlyphVector in project libgdx by libgdx.

the class UnicodeFont method getWidth.

public int getWidth(String text) {
    if (text == null)
        throw new IllegalArgumentException("text cannot be null.");
    if (text.length() == 0)
        return 0;
    char[] chars = text.toCharArray();
    GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
    int width = 0;
    int extraX = 0;
    boolean startNewLine = false;
    for (int glyphIndex = 0, n = vector.getNumGlyphs(); glyphIndex < n; glyphIndex++) {
        int charIndex = vector.getGlyphCharIndex(glyphIndex);
        int codePoint = text.codePointAt(charIndex);
        Rectangle bounds = getGlyphBounds(vector, glyphIndex, codePoint);
        if (startNewLine && codePoint != '\n')
            extraX = -bounds.x;
        if (glyphIndex > 0)
            extraX += paddingLeft + paddingRight + paddingAdvanceX;
        width = Math.max(width, bounds.x + extraX + bounds.width);
        if (codePoint == '\n')
            startNewLine = true;
    }
    return width;
}

Example 24 with GlyphVector

use of java.awt.font.GlyphVector in project libgdx by libgdx.

the class UnicodeFont method drawUnicode.

private void drawUnicode(String text, int startIndex, int endIndex) {
    char[] chars = text.substring(0, endIndex).toCharArray();
    GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
    int maxWidth = 0, totalHeight = 0, lines = 0;
    int extraX = 0, extraY = ascent;
    boolean startNewLine = false;
    Texture lastBind = null;
    int offsetX = 0;
    for (int glyphIndex = 0, n = vector.getNumGlyphs(); glyphIndex < n; glyphIndex++) {
        int charIndex = vector.getGlyphCharIndex(glyphIndex);
        if (charIndex < startIndex)
            continue;
        if (charIndex > endIndex)
            break;
        int codePoint = text.codePointAt(charIndex);
        Rectangle bounds = getGlyphBounds(vector, glyphIndex, codePoint);
        bounds.x += offsetX;
        Glyph glyph = getGlyph(vector.getGlyphCode(glyphIndex), codePoint, bounds, vector, glyphIndex);
        if (startNewLine && codePoint != '\n') {
            extraX = -bounds.x;
            startNewLine = false;
        }
        if (glyph.getTexture() == null && missingGlyph != null && glyph.isMissing())
            glyph = missingGlyph;
        if (glyph.getTexture() != null) {
            // Draw glyph, only binding a new glyph page texture when necessary.
            Texture texture = glyph.getTexture();
            if (lastBind != null && lastBind != texture) {
                GL11.glEnd();
                lastBind = null;
            }
            if (lastBind == null) {
                texture.bind();
                GL11.glBegin(GL11.GL_QUADS);
                lastBind = texture;
            }
            int glyphX = bounds.x + extraX;
            int glyphY = bounds.y + extraY;
            GL11.glTexCoord2f(glyph.getU(), glyph.getV());
            GL11.glVertex3f(glyphX, glyphY, 0);
            GL11.glTexCoord2f(glyph.getU(), glyph.getV2());
            GL11.glVertex3f(glyphX, glyphY + glyph.getHeight(), 0);
            GL11.glTexCoord2f(glyph.getU2(), glyph.getV2());
            GL11.glVertex3f(glyphX + glyph.getWidth(), glyphY + glyph.getHeight(), 0);
            GL11.glTexCoord2f(glyph.getU2(), glyph.getV());
            GL11.glVertex3f(glyphX + glyph.getWidth(), glyphY, 0);
        }
        if (glyphIndex > 0)
            extraX += paddingRight + paddingLeft + paddingAdvanceX;
        maxWidth = Math.max(maxWidth, bounds.x + extraX + bounds.width);
        totalHeight = Math.max(totalHeight, ascent + bounds.y + bounds.height);
        if (codePoint == '\n') {
            // Mac gives -1 for bounds.x of '\n', so use the bounds.x of the next glyph.
            startNewLine = true;
            extraY += getLineHeight();
            lines++;
            totalHeight = 0;
        } else if (renderType == RenderType.Native)
            offsetX += bounds.width;
    }
    if (lastBind != null)
        GL11.glEnd();
}

Example 25 with GlyphVector

use of java.awt.font.GlyphVector in project platform_frameworks_base by android.

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);
    }
}