[8083] | 1 | /*
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| 2 | * To change this license header, choose License Headers in Project Properties.
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| 3 | * To change this template file, choose Tools | Templates
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| 4 | * and open the template in the editor.
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| 5 | */
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| 6 | package com.kitfox.svg.util;
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| 7 |
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| 8 | import com.kitfox.svg.Font;
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| 9 | import com.kitfox.svg.FontFace;
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| 10 | import com.kitfox.svg.Glyph;
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| 11 | import com.kitfox.svg.MissingGlyph;
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| 12 | import java.awt.Canvas;
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| 13 | import java.awt.FontMetrics;
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| 14 | import java.awt.font.FontRenderContext;
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| 15 | import java.awt.font.GlyphMetrics;
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| 16 | import java.awt.font.GlyphVector;
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| 17 | import java.util.HashMap;
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| 18 |
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| 19 | /**
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| 20 | *
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| 21 | * @author kitfox
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| 22 | */
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| 23 | public class FontSystem extends Font
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| 24 | {
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| 25 | java.awt.Font sysFont;
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| 26 | FontMetrics fm;
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| 27 |
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| 28 | HashMap glyphCache = new HashMap();
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| 29 |
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| 30 | public FontSystem(String fontFamily, int fontStyle, int fontWeight, int fontSize)
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| 31 | {
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| 32 | int style;
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| 33 | switch (fontStyle)
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| 34 | {
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| 35 | case com.kitfox.svg.Text.TXST_ITALIC:
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| 36 | style = java.awt.Font.ITALIC;
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| 37 | break;
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| 38 | default:
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| 39 | style = java.awt.Font.PLAIN;
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| 40 | break;
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| 41 | }
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| 42 |
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| 43 | int weight;
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| 44 | switch (fontWeight)
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| 45 | {
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| 46 | case com.kitfox.svg.Text.TXWE_BOLD:
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| 47 | case com.kitfox.svg.Text.TXWE_BOLDER:
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| 48 | weight = java.awt.Font.BOLD;
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| 49 | break;
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| 50 | default:
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| 51 | weight = java.awt.Font.PLAIN;
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| 52 | break;
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| 53 | }
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| 54 | sysFont = new java.awt.Font(fontFamily, style | weight, (int) fontSize);
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| 55 |
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| 56 | Canvas c = new Canvas();
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| 57 | fm = c.getFontMetrics(sysFont);
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| 58 |
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| 59 | FontFace face = new FontFace();
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| 60 | face.setAscent(fm.getAscent());
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| 61 | face.setDescent(fm.getDescent());
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| 62 | face.setUnitsPerEm(fm.charWidth('M'));
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| 63 | setFontFace(face);
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| 64 | }
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| 65 |
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| 66 | public MissingGlyph getGlyph(String unicode)
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| 67 | {
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| 68 | FontRenderContext frc = new FontRenderContext(null, true, true);
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| 69 | GlyphVector vec = sysFont.createGlyphVector(frc, unicode);
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| 70 |
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| 71 | Glyph glyph = (Glyph)glyphCache.get(unicode);
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| 72 | if (glyph == null)
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| 73 | {
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| 74 | glyph = new Glyph();
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| 75 | glyph.setPath(vec.getGlyphOutline(0));
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| 76 |
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| 77 | GlyphMetrics gm = vec.getGlyphMetrics(0);
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| 78 | glyph.setHorizAdvX((int)gm.getAdvanceX());
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| 79 | glyph.setVertAdvY((int)gm.getAdvanceY());
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| 80 | glyph.setVertOriginX(0);
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| 81 | glyph.setVertOriginY(0);
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| 82 |
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| 83 | glyphCache.put(unicode, glyph);
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| 84 | }
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| 85 |
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| 86 | return glyph;
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| 87 | }
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| 88 |
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| 89 |
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| 90 | }
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