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import java.awt.Shape; |
import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
import java.awt.geom.AffineTransform; |
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import java.awt.geom.Rectangle2D; |
import java.awt.geom.Rectangle2D; |
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import java.text.CharacterIterator; |
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import java.text.AttributedCharacterIterator; |
import java.text.AttributedCharacterIterator; |
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import java.text.AttributedString; |
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import java.util.Map; |
import java.util.Map; |
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import java.awt.font.TextAttribute; |
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/** |
/** |
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* @author Michael Koch |
* @author Michael Koch |
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} |
} |
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} |
} |
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private AttributedString attributedString; |
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private FontRenderContext fontRenderContext; |
private FontRenderContext fontRenderContext; |
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public TextLayout (AttributedCharacterIterator text, FontRenderContext frc) |
public TextLayout (AttributedCharacterIterator text, FontRenderContext frc) |
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{ |
{ |
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// FIXME |
attributedString = new AttributedString (text); |
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this.fontRenderContext = frc; |
fontRenderContext = frc; |
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} |
} |
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public TextLayout (String string, Font font, FontRenderContext frc) |
public TextLayout (String string, Font font, FontRenderContext frc) |
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{ |
{ |
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// FIXME |
attributedString = new AttributedString (string); |
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this.fontRenderContext = frc; |
attributedString.addAttribute (TextAttribute.FONT, font); |
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fontRenderContext = frc; |
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} |
} |
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public TextLayout (String string, Map attributes, FontRenderContext frc) |
public TextLayout (String string, Map attributes, FontRenderContext frc) |
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{ |
{ |
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// FIXME |
attributedString = new AttributedString (string, attributes); |
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this.fontRenderContext = frc; |
fontRenderContext = frc; |
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} |
} |
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protected Object clone () |
protected Object clone () |
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} |
} |
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} |
} |
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protected class CharacterIteratorProxy |
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implements CharacterIterator |
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{ |
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public CharacterIterator target; |
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public int begin; |
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public int limit; |
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public int index; |
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public CharacterIteratorProxy (CharacterIterator ci) |
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{ |
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target = ci; |
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} |
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public int getBeginIndex () |
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{ |
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return begin; |
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} |
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public int getEndIndex () |
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{ |
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return limit; |
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} |
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public int getIndex () |
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{ |
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return index; |
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} |
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public char setIndex (int idx) |
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throws IllegalArgumentException |
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{ |
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if (idx < begin || idx >= limit) |
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throw new IllegalArgumentException (); |
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char ch = target.setIndex (idx); |
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index = idx; |
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return ch; |
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} |
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public char first () |
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{ |
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int save = target.getIndex (); |
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char ch = target.setIndex (begin); |
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target.setIndex (save); |
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return ch; |
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} |
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public char last () |
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{ |
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if (begin == limit) |
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return this.first (); |
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int save = target.getIndex (); |
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char ch = target.setIndex (limit - 1); |
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target.setIndex (save); |
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return ch; |
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} |
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public char current () |
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{ |
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return target.current(); |
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} |
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public char next () |
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{ |
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if (index >= limit - 1) |
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return CharacterIterator.DONE; |
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else |
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{ |
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index++; |
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return target.next(); |
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} |
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} |
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public char previous () |
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{ |
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if (index <= begin) |
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return CharacterIterator.DONE; |
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else |
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{ |
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index--; |
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return target.previous (); |
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} |
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} |
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public Object clone () |
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{ |
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CharacterIteratorProxy cip = new CharacterIteratorProxy (this.target); |
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cip.begin = this.begin; |
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cip.limit = this.limit; |
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cip.index = this.index; |
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return cip; |
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} |
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} |
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public void draw (Graphics2D g2, float x, float y) |
public void draw (Graphics2D g2, float x, float y) |
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{ |
{ |
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throw new Error ("not implemented"); |
AttributedCharacterIterator ci = attributedString.getIterator (); |
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CharacterIteratorProxy proxy = new CharacterIteratorProxy (ci); |
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Font defFont = g2.getFont (); |
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/* Note: this implementation currently only interprets FONT text |
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* attributes. There is a reasonable argument to be made for some |
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* attributes being interpreted out here, where we have control of the |
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* Graphics2D and can construct or derive new fonts, and some |
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* attributes being interpreted by the GlyphVector itself. So far, for |
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* all attributes except FONT we do neither. |
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*/ |
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for (char c = ci.first (); |
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c != CharacterIterator.DONE; |
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c = ci.next ()) |
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{ |
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proxy.begin = ci.getIndex (); |
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proxy.limit = ci.getRunLimit(TextAttribute.FONT); |
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if (proxy.limit <= proxy.begin) |
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continue; |
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proxy.index = proxy.begin; |
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Object fnt = ci.getAttribute(TextAttribute.FONT); |
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GlyphVector gv; |
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if (fnt instanceof Font) |
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gv = ((Font)fnt).createGlyphVector (fontRenderContext, proxy); |
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else |
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gv = defFont.createGlyphVector (fontRenderContext, proxy); |
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g2.drawGlyphVector (gv, x, y); |
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int n = gv.getNumGlyphs (); |
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for (int i = 0; i < n; ++i) |
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{ |
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GlyphMetrics gm = gv.getGlyphMetrics (i); |
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if (gm.getAdvanceX() == gm.getAdvance ()) |
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x += gm.getAdvanceX (); |
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else |
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y += gm.getAdvanceY (); |
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} |
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} |
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} |
} |
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public boolean equals (Object obj) |
public boolean equals (Object obj) |