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19
20 package swingwt.awt.font;
21
22 import swingwt.awt.*;
23 import swingwt.awt.geom.*;
24
25 public abstract class GlyphVector implements Cloneable  {
26
27 public static final int FLAG_HAS_TRANSFORMS = 1;
28 public static final int FLAG_HAS_POSITION_ADJUSTMENTS = 2;
29 public static final int FLAG_RUN_RTL = 4;
30 public static final int FLAG_COMPLEX_GLYPHS = 8;
31 public static final int FLAG_MASK =
32 FLAG_HAS_TRANSFORMS |
33 FLAG_HAS_POSITION_ADJUSTMENTS |
34 FLAG_RUN_RTL |
35 FLAG_COMPLEX_GLYPHS;
36
37 public abstract Font getFont();
38 public abstract FontRenderContext getFontRenderContext();
39 public abstract void performDefaultLayout();
40 public abstract int getNumGlyphs();
41 public abstract int getGlyphCode(int glyphIndex);
42 public abstract int[] getGlyphCodes(int beginGlyphIndex, int numEntries,
43 int[] codeReturn);
44
45 public int getGlyphCharIndex(int glyphIndex) {
46 return glyphIndex;
47 }
48 public int[] getGlyphCharIndices(int beginGlyphIndex, int numEntries,
49 int[] codeReturn) {
50 if (codeReturn == null) {
51 codeReturn = new int[numEntries];
52 }
53 for (int i = 0, j = beginGlyphIndex; i < numEntries; ++i, ++j) {
54 codeReturn[i] = getGlyphCharIndex(j);
55 }
56 return codeReturn;
57 }
58 public abstract Rectangle2D getLogicalBounds();
59 public abstract Rectangle2D getVisualBounds();
60 public Rectangle getPixelBounds(FontRenderContext renderFRC, float x, float y) {
61 Rectangle2D rect = getVisualBounds();
62 int l = (int)Math.floor(rect.getX() + x);
63 int t = (int)Math.floor(rect.getY() + y);
64 int r = (int)Math.ceil(rect.getMaxX() + x);
65 int b = (int)Math.ceil(rect.getMaxY() + y);
66 return new Rectangle(l, t, r - l, b - t);
67 }
68
69 public abstract Shape getOutline();
70 public abstract Shape getOutline(float x, float y);
71 public abstract Shape getGlyphOutline(int glyphIndex);
72 public Shape getGlyphOutline(int glyphIndex, float x, float y) {
73 Shape s = getGlyphOutline(glyphIndex);
74 AffineTransform at = AffineTransform.getTranslateInstance(x,y);
75 return at.createTransformedShape(s);
76 }
77 public abstract Point2D getGlyphPosition(int glyphIndex);
78 public abstract void setGlyphPosition(int glyphIndex, Point2D newPos);
79 public abstract AffineTransform getGlyphTransform(int glyphIndex);
80 public abstract void setGlyphTransform(int glyphIndex, AffineTransform newTX);
81 public int getLayoutFlags() {
82 return 0;
83 }
84
85 public abstract float[] getGlyphPositions(int beginGlyphIndex, int numEntries,
86 float[] positionReturn);
87 public abstract Shape getGlyphLogicalBounds(int glyphIndex);
88 public abstract Shape getGlyphVisualBounds(int glyphIndex);
89 public Rectangle getGlyphPixelBounds(int index, FontRenderContext renderFRC, float x, float y) {
90 Rectangle2D rect = getGlyphVisualBounds(index).getBounds2D();
91 int l = (int)Math.floor(rect.getX() + x);
92 int t = (int)Math.floor(rect.getY() + y);
93 int r = (int)Math.ceil(rect.getMaxX() + x);
94 int b = (int)Math.ceil(rect.getMaxY() + y);
95 return new Rectangle(l, t, r - l, b - t);
96 }
97 public abstract GlyphMetrics getGlyphMetrics(int glyphIndex);
98 public abstract GlyphJustificationInfo getGlyphJustificationInfo(int glyphIndex);
99 public abstract boolean equals(GlyphVector set);
100 }
101
102 |
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