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package com.artifex.mupdf.fitz;
import java.util.ArrayList;
public class StructuredText
{
static {
Context.init();
}
private long pointer;
protected native void finalize();
public void destroy() {
finalize();
pointer = 0;
}
private StructuredText(long p) {
pointer = p;
}
public native Quad[] search(String needle);
public native Quad[] highlight(Point a, Point b);
public native String copy(Point a, Point b);
public native void walk(StructuredTextWalker walker);
public TextBlock[] getBlocks() {
BlockWalker walker = new BlockWalker();
walk(walker);
return walker.getBlocks();
}
class BlockWalker implements StructuredTextWalker {
ArrayList<TextBlock> blocks;
ArrayList<TextLine> lines;
ArrayList<TextChar> chrs;
Rect lineBbox;
Rect blockBbox;
BlockWalker() {
blocks = new ArrayList<TextBlock>();
}
public void onImageBlock(Rect bbox, Matrix transform, Image image) {
}
public void beginTextBlock(Rect bbox) {
lines = new ArrayList<TextLine>();
blockBbox = bbox;
}
public void endTextBlock() {
TextBlock block = new TextBlock();
block.bbox = blockBbox;
block.lines = (TextLine[]) lines.toArray(new TextLine[0]);
blocks.add(block);
}
public void beginLine(Rect bbox, int wmode) {
chrs = new ArrayList<TextChar>();
lineBbox = bbox;
}
public void endLine() {
TextLine line = new TextLine();
line.bbox = lineBbox;
line.chars = chrs.toArray(new TextChar[0]);
lines.add(line);
}
public void onChar(int c, Point origin, Font font, float size, Quad quad) {
TextChar chr = new TextChar();
chr.c = c;
chr.quad = quad;
chrs.add(chr);
}
TextBlock[] getBlocks() {
return (TextBlock[]) blocks.toArray(new TextBlock[0]);
}
}
public class TextBlock {
public TextLine[] lines;
public Rect bbox;
}
public class TextLine {
public TextChar[] chars;
public Rect bbox;
}
public class TextChar {
public int c;
public Quad quad;
public boolean isWhitespace() {
return Character.isWhitespace(c);
}
}
}
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