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/*
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.batik.gvt.font;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphJustificationInfo;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.text.AttributedCharacterIterator;
import java.util.Iterator;
import java.util.List;
import org.apache.batik.gvt.text.AttributedCharacterSpanIterator;
/**
*
* @version $Id: MultiGlyphVector.java 1804130 2017-08-04 14:41:11Z ssteiner $
*/
public class MultiGlyphVector implements GVTGlyphVector {
GVTGlyphVector [] gvs;
int [] nGlyphs;
int [] off;
int nGlyph;
public MultiGlyphVector(List gvs) {
int nSlots = gvs.size();
this.gvs = new GVTGlyphVector[ nSlots ];
this.nGlyphs = new int[ nSlots ];
this.off = new int[ nSlots ];
Iterator iter = gvs.iterator();
int i=0;
while (iter.hasNext()) {
off[i] = nGlyph;
GVTGlyphVector gv = (GVTGlyphVector)iter.next();
this.gvs[i] = gv;
nGlyphs[i] = gv.getNumGlyphs();
nGlyph += nGlyphs[i];
i++;
}
nGlyphs[i-1]++;
}
/**
* Returns the number of glyphs in this GlyphVector.
*/
public int getNumGlyphs() {
return nGlyph;
}
int getGVIdx(int glyphIdx) {
if (glyphIdx > nGlyph) return -1;
if (glyphIdx == nGlyph) return gvs.length-1;
for (int i=0; i " + newPos);
gvs[idx].setGlyphPosition(glyphIndex-off[idx], newPos);
}
/**
* Sets the transform of the specified glyph within this GlyphVector.
*/
public void setGlyphTransform(int glyphIndex, AffineTransform newTX) {
int idx = getGVIdx(glyphIndex);
gvs[idx].setGlyphTransform(glyphIndex-off[idx], newTX);
}
/**
* Tells the glyph vector whether or not to draw the specified glyph.
*/
public void setGlyphVisible(int glyphIndex, boolean visible) {
int idx = getGVIdx(glyphIndex);
gvs[idx].setGlyphVisible(glyphIndex-off[idx], visible);
}
/**
* Returns true if specified glyph will be drawn.
*/
public boolean isGlyphVisible(int glyphIndex) {
int idx = getGVIdx(glyphIndex);
return gvs[idx].isGlyphVisible(glyphIndex-off[idx]);
}
/**
* Returns an array of glyphcodes for the specified glyphs.
*/
public int[] getGlyphCodes(int beginGlyphIndex, int numEntries,
int[] codeReturn) {
int [] ret = codeReturn;
if (ret == null)
ret = new int[numEntries];
int [] tmp = null;
int gvIdx = getGVIdx(beginGlyphIndex);
int gi = beginGlyphIndex-off[gvIdx];
int i=0;
GVTGlyphVector gv;
while (numEntries != 0) {
int len = numEntries;
if (gi+len > nGlyphs[gvIdx])
len = nGlyphs[gvIdx]-gi;
gv = gvs[gvIdx];
if (i == 0) {
gv.getGlyphCodes(gi, len, ret);
} else {
if ((tmp == null) || (tmp.length < len))
tmp = new int[len];
gv.getGlyphCodes(gi, len, tmp);
System.arraycopy( tmp, 0, ret, i, len );
}
gi=0;
gvIdx++;
numEntries -= len;
i+=len;
}
return ret;
}
/**
* Returns an array of glyph positions for the specified glyphs
*/
public float[] getGlyphPositions(int beginGlyphIndex,
int numEntries,
float[] positionReturn) {
float [] ret = positionReturn;
if (ret == null)
ret = new float[numEntries*2];
float [] tmp = null;
int gvIdx = getGVIdx(beginGlyphIndex);
int gi = beginGlyphIndex-off[gvIdx];
int i=0;
GVTGlyphVector gv;
while (numEntries != 0) {
int len = numEntries;
if (gi+len > nGlyphs[gvIdx])
len = nGlyphs[gvIdx]-gi;
gv = gvs[gvIdx];
if (i == 0) {
gv.getGlyphPositions(gi, len, ret);
} else {
if ((tmp == null) || (tmp.length < len*2))
tmp = new float[len*2];
gv.getGlyphPositions(gi, len, tmp);
System.arraycopy( tmp, 0, ret, i, len * 2 );
}
gi=0;
gvIdx++;
numEntries -= len;
i+=len*2;
}
return ret;
}
/**
* Returns the logical bounds of this GlyphVector.
*/
public Rectangle2D getLogicalBounds() {
Rectangle2D ret = null;
for (GVTGlyphVector gv : gvs) {
Rectangle2D b = gv.getLogicalBounds();
if (ret == null) ret = b;
//else ret = ret.createUnion(b);
else ret.add(b); // same as union
}
return ret;
}
/**
* Returns a Shape whose interior corresponds to the visual representation
* of this GlyphVector.
*/
public Shape getOutline() {
GeneralPath ret = null;
for (GVTGlyphVector gv : gvs) {
Shape s = gv.getOutline();
if (ret == null) ret = new GeneralPath(s);
else ret.append(s, false);
}
return ret;
}
/**
* Returns a Shape whose interior corresponds to the visual representation
* of this GlyphVector, offset to x, y.
*/
public Shape getOutline(float x, float y) {
Shape outline = getOutline();
AffineTransform tr = AffineTransform.getTranslateInstance(x,y);
outline = tr.createTransformedShape(outline);
return outline;
}
/**
* Returns the bounds of this GlyphVector. This includes
* stroking effects.
*/
public Rectangle2D getBounds2D(AttributedCharacterIterator aci) {
Rectangle2D ret = null;
int begin = aci.getBeginIndex();
for (GVTGlyphVector gv : gvs) {
int end = gv.getCharacterCount(0, gv.getNumGlyphs()) + 1;
Rectangle2D b = gv.getBounds2D
(new AttributedCharacterSpanIterator(aci, begin, end));
if (ret == null) ret = b;
//else ret = ret.createUnion(b);
else ret.add(b);
begin = end;
}
return ret;
}
/**
* Returns the geometric bounds of this GlyphVector. The geometric
* bounds is the bounds of the geometry of the glyph vector,
* disregarding stroking.
*/
public Rectangle2D getGeometricBounds() {
Rectangle2D ret = null;
for (GVTGlyphVector gv : gvs) {
Rectangle2D b = gv.getGeometricBounds();
if (ret == null) ret = b;
//else ret = ret.createUnion(b);
else ret.add(b);
}
return ret;
}
public void performDefaultLayout() {
for (GVTGlyphVector gv : gvs) {
gv.performDefaultLayout();
}
}
/**
* Returns the number of chars represented by the glyphs within the
* specified range.
*
* @param startGlyphIndex The index of the first glyph in the range.
* @param endGlyphIndex The index of the last glyph in the range.
* @return The number of chars.
*/
public int getCharacterCount(int startGlyphIndex, int endGlyphIndex) {
int idx1 = getGVIdx(startGlyphIndex);
int idx2 = getGVIdx(endGlyphIndex);
int ret=0;
for (int idx=idx1; idx<=idx2; idx++) {
int gi1 = startGlyphIndex-off[idx];
int gi2 = endGlyphIndex-off[idx];
if (gi2 >= nGlyphs[idx]) {
gi2 = nGlyphs[idx]-1;
}
ret += gvs[idx].getCharacterCount(gi1, gi2);
startGlyphIndex += (gi2-gi1+1);
}
return ret;
}
@Override
public boolean isReversed() {
return false;
}
@Override
public void maybeReverse(boolean mirror) {
}
/**
* Draws the glyph vector.
*/
public void draw(Graphics2D g2d,
AttributedCharacterIterator aci) {
int begin = aci.getBeginIndex();
for (GVTGlyphVector gv : gvs) {
int end = gv.getCharacterCount(0, gv.getNumGlyphs()) + 1;
gv.draw(g2d, new AttributedCharacterSpanIterator(aci, begin, end));
begin = end;
}
}
}
