Java GlyphVector.getGlyphMetrics方法代碼示例

import java.awt.font.GlyphVector; //導入方法依賴的package包/類
/**
 * Create a new glyph
 * 
 * @param codePoint The code point in which this glyph can be found
 * @param bounds The bounds that this glrph can fill
 * @param vector The vector this glyph is part of
 * @param index The index of this glyph within the vector
 * @param unicodeFont The font this glyph forms part of
 */
public Glyph(int codePoint, Rectangle bounds, GlyphVector vector, int index, UnicodeFont unicodeFont) {
	this.codePoint = codePoint;

	GlyphMetrics metrics = vector.getGlyphMetrics(index);
	int lsb = (int)metrics.getLSB();
	if (lsb > 0) lsb = 0;
	int rsb = (int)metrics.getRSB();
	if (rsb > 0) rsb = 0;

	int glyphWidth = bounds.width - lsb - rsb;
	int glyphHeight = bounds.height;
	if (glyphWidth > 0 && glyphHeight > 0) {
		int padTop = unicodeFont.getPaddingTop();
		int padRight = unicodeFont.getPaddingRight();
		int padBottom = unicodeFont.getPaddingBottom();
		int padLeft = unicodeFont.getPaddingLeft();
		int glyphSpacing = 1; // Needed to prevent filtering problems.
		width = (short)(glyphWidth + padLeft + padRight + glyphSpacing);
		height = (short)(glyphHeight + padTop + padBottom + glyphSpacing);
		yOffset = (short)(unicodeFont.getAscent() + bounds.y - padTop);
	}

	shape = vector.getGlyphOutline(index, -bounds.x + unicodeFont.getPaddingLeft(), -bounds.y + unicodeFont.getPaddingTop());

	isMissing = !unicodeFont.getFont().canDisplay((char)codePoint);
}
 

import java.awt.font.GlyphVector; //導入方法依賴的package包/類
private int[] getGlyphMetrics (Font font, int codePoint) {
	// xOffset and xAdvance will be incorrect for unicode characters such as combining marks or non-spacing characters
	// (eg Pnujabi's "\u0A1C\u0A47") that require the context of surrounding glyphs to determine spacing, but thisis the
	// best we can do with the BMFont format.
	char[] chars = Character.toChars(codePoint);
	GlyphVector vector = font.layoutGlyphVector(GlyphPage.renderContext, chars, 0, chars.length, Font.LAYOUT_LEFT_TO_RIGHT);
	GlyphMetrics metrics = vector.getGlyphMetrics(0);
	int xOffset = vector.getGlyphPixelBounds(0, null, 0, 0).x - unicodeFont.getPaddingLeft();
	int xAdvance = (int)(metrics.getAdvanceX() + unicodeFont.getPaddingAdvanceX() + unicodeFont.getPaddingLeft() + unicodeFont
		.getPaddingRight());
	return new int[] {xOffset, xAdvance};
}
 

import java.awt.font.GlyphVector; //導入方法依賴的package包/類
public void runTest(Object ctx, int numReps) {
    GVContext gvctx = (GVContext)ctx;
    GlyphVector gv = gvctx.gv;
    GlyphMetrics gm;
    do {
        for (int i = 0, e = gv.getNumGlyphs(); i < e; ++i) {
            gm = gv.getGlyphMetrics(i);
        }
    } while (--numReps >= 0);
}