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Java/flob/CellFlobFactory2.zob
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207
Java/flob/CellFlobFactory2.zob
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/*
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RasterFactory2.zob
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*
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* Copyright (c) 2000, Ted Nelson and Tuomas Lukka
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Tuomas Lukka, multiline by Benjamin Fallenstein
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*/
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package org.gzigzag;
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import java.util.*;
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import java.awt.*;
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/** A simple cell factory that gives the cells as one-line strings.
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* Variable length is possible.
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* XXX This class is a bad copy of RasterCellFactory 1.
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* Inheritance should be rather used, but doesn't work yet with ZObs.
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*/
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public class CellFlobFactory2 implements FlobFactory, ZOb {
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public static final String rcsid = "$Id$";
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public static boolean dbg = false;
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private static final void p(String s) { if(dbg) System.out.println(s); }
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private static final void pa(String s) { System.out.println(s); }
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STRUCTPARAMS {
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/** The string to use to get the default cell width. */
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String widthstr
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= "0000000000";
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/** The default background color.
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* XXX Currently, because of color mixing, the foreground
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* comes from FlobSet. This should maybe change - check later.
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*/
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Color bg
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= Color.white;
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/** The font for the default enlargement. */
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ScalableFont font
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= new ScalableFont("SansSerif", Font.PLAIN, 12);
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/** Whether the font changes size with the enlargement. */
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boolean zoomfont
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= true;
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/** Whether the font can get bigger than the default font.
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* Ignored (or rather, doesn't have any effect) when zoomfont is false.
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*/
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boolean enlargefont
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= true;
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/** The x and y margins
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*/
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int[] margins
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= new int[] {3, 2};
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ZOb ftextlayouter
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= new FTextLayouter();
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}
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protected Font fon(int scale) { return font.getFont(scale); }
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protected FontMetrics fonmet(int scale) {
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return font.getFontMetrics(scale);
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}
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protected int getScale(float fract) { return getScale(fract, false); }
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protected int getScale(float fract, boolean real) {
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if(!enlargefont && !real && fract>=1.0) return 1000;
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return (int)(fract*1000);
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}
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public Dimension getSize(ZZCell c, float fract) {
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String str = widthstr;
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if(c != null) str = c.getText();
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if(str == null) str = "";
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FontMetrics fm = fonmet(getScale(fract, true));
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return CellFlob1.getSize(fm, str, margins[0]*2, margins[1]*2);
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}
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public Flob makeFlob(FlobSet into, ZZCell c, ZZCell handleCell,
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float fract, int x, int y, int d, int w, int h) {
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int scale = getScale(fract);
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Font f = fon(scale);
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FontMetrics fm = fonmet(scale);
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CellBgFlob cf = new CellBgFlob(x, y, d, w, h, c);
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Point p = cf.getPoint(1, 1);
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p = cf.getPoint(-1, -1);
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cf.bg = bg;
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int xm = margins[0], ym = margins[1];
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addSolidColors(into, cf);
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FText ftxt = new FText(new FText.Part[] {
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new FText.CellPart(c, 0, -1, f, fm, null, null)
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});
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Rectangle rect = new Rectangle(x+xm, y+ym, w-xm-xm, h-ym-ym);
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// XXX -- make this work! (shall place cursor in middle if text too long)
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// int offs = -1;
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// for(Enumeration e=ZZCursorReal.getPointers(c); e.hasMoreElements();) {
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// int offs0 = ZZCursorReal.getOffs((ZZCell)e.nextElement());
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// if(offs0 != ZZCursorReal.NO_OFFSET) { offs = offs0; break; }
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// }
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FTextLayouter ftl = (FTextLayouter)ftextlayouter;
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ftl.firstCap = false;
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// if(offs < 0)
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ftl.place(into, ftxt, rect, d, 1, rect.y+1, 0, true, cf);
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// else
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// ftl.place(into, ftxt, rect, d, 0,
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// rect.y+rect.height/2-fm.getHeight()/2, offs, true, cf);
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into.add(cf);
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return cf;
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}
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public Flob placeFlob(FlobSet into, ZZCell c, ZZCell handleCell,
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float fract,
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int x, int y, int depth,
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float xfract, float yfract) {
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Dimension d = getSize(c, fract);
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return makeFlob(into, c, handleCell, fract,
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(int)(x-xfract*d.width),
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(int)(y-yfract*d.height),
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depth, d.width, d.height);
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}
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public Flob centerFlob(FlobSet into, ZZCell c, ZZCell handleCell,
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float fract, Point p, int xalign, int yalign,
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int depth, Dimension d) {
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if(d == null) d = getSize(c, fract);
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int x, y;
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x = p.x - d.width/2; y = p.y - d.height/2;
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if(xalign < 0) x = p.x - d.width;
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if(xalign > 0) x = p.x;
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if(yalign < 0) y = p.y - d.height;
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if(yalign > 0) y = p.y;
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return makeFlob(into, c, handleCell, fract, x, y,
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depth, d.width, d.height);
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}
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public Flob centerFlob(FlobSet into, ZZCell c, ZZCell handleCell,
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float fract, Point p, int xalign, int yalign, int depth) {
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return centerFlob(into, c, handleCell, fract, p, xalign, yalign,
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depth, null);
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}
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/** A routine to add solid background colors according to scheme 1.
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* No better place to put it right now, but this routine can be
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* called from anywhere to color the background of a cellbgflob
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* as requested.
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* Also adds line cursors, if any.
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*/
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static public void addSolidColors(FlobSet into, CellBgFlob f) {
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// Special case check: Is this a cursor or a cursor's clone?
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ZZCell orig = f.c.h("d.clone", -1);
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if(orig.h("d.cursor-list", -1).s("d.cursor", -1)
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!= null) {
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f.addColor(ZZCursorReal.getColorOrWhite(orig));
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return; // XXX should draw line cursors!
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}
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ZZCell cu = f.c.s("d.cursor", 1);
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while(cu != null) {
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Color color = ZZCursorReal.getColor(cu);
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if(color != null) f.addColor(color);
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// String txt = cu.getText();
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// if(txt != null && !txt.equals("") && f instanceof CellBgFlob) {
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// try {
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// int ind = Integer.parseInt(txt);
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// int x = ((CellBgFlob)f).getStrX(ind);
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// into.add(new LineDecor(x, f.y, x, f.y+f.h,
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// Color.black, f.d));
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// } catch(NumberFormatException e) {
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// }
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// }
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cu = cu.s("d.cursor-list", 1);
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}
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// XXX Does not check whose mark it is - should!
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if(f.c.s("d.mark-set", 1)!=null)
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f.addColor(Color.red);
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if(f.c.s("d.clone", -1) != null)
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f.addColor(Color.yellow);
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else if(f.c.s("d.clone", 1) != null)
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f.addColor(new Color(255, 255, 192));
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}
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}
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// vim: set syntax=java :
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