diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/codec/postscript/PAContext.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/codec/postscript/PAContext.java | 2772 |
1 files changed, 0 insertions, 2772 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/codec/postscript/PAContext.java b/src/main/java/com/lowagie/text/pdf/codec/postscript/PAContext.java deleted file mode 100644 index 863d82a..0000000 --- a/src/main/java/com/lowagie/text/pdf/codec/postscript/PAContext.java +++ /dev/null @@ -1,2772 +0,0 @@ -/*
- * Copyright 1998 by Sun Microsystems, Inc.,
- * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
- * All rights reserved.
- *
- * This software is the confidential and proprietary information
- * of Sun Microsystems, Inc. ("Confidential Information"). You
- * shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement
- * you entered into with Sun.
- */
-
-package com.lowagie.text.pdf.codec.postscript;
-
-import java.util.*;
-import java.io.*;
-import java.awt.*;
-import java.awt.geom.*;
-import com.lowagie.text.pdf.PdfGraphics2D;
-import com.lowagie.text.pdf.PdfContentByte;
-import com.lowagie.text.pdf.PdfName;
-import com.lowagie.text.*;
-import com.lowagie.text.pdf.RandomAccessFileOrArray;
-
-public class PAContext {
-
- public PAPencil pencil;
- public Stack dictionaries;
- public Stack operands;
- public PAEngine engine;
- PAParser poorscript = null;
- protected Random randomNumberGenerator;
- InputStream is=null;
-
- protected Object lastUnknownIdentifier;
- public static boolean IgnoreUnknownCommands = false;
- public static boolean DebugExecution = false;
-
- public PAContext(Component component) {
- this(new PAPencil(component));
- }
-
- public PAContext(Graphics2D g, Dimension size) {
- this(new PAPencil(g, size));
- }
-
- public PAContext(PAPencil pencil) {
- super();
- this.pencil = pencil;
- this.dictionaries = new Stack();
- this.operands = new Stack();
- this.engine = new PAEngine(this);
- HashMap systemDict = this.constructSystemDict();
- this.dictionaries.push(systemDict);
- HashMap globalDict = this.constructGlobalDict();
- this.dictionaries.push(globalDict);
- HashMap userDict = this.constructUserDict();
- systemDict.put("userdict", userDict);
- this.dictionaries.push(userDict);
- this.randomNumberGenerator = new Random();
- this.lastUnknownIdentifier = null;
- }
-
- /**
- * draw
- *
- * @param inputStream InputStream
- * @throws PainterException
- */
- public void draw(InputStream inputStream) throws PainterException {
- try {
- String filename="init.ps";
-// poorscript = new PAParser(new NamedInputStream(PAContext.class.getResourceAsStream(filename),filename));
- InputStream inpstr=PAContext.class.getResourceAsStream(filename);
- poorscript = new PAParser(inpstr);
- poorscript.parse(this);
- try {
- inpstr.close();
- }
- catch (IOException ex) {
- ex.printStackTrace();
- }
-// poorscript.enable_tracing();
-// poorscript.token_source.setDebugStream(System.err);
-// byte[] b=null;
-// try {
-// b = RandomAccessFileOrArray.InputStreamToArray(inputStream);
-// }
-// catch (IOException ex) {
-// ex.printStackTrace();
-// }
-// ByteArrayInputStream bar=new ByteArrayInputStream(b);
-// is = bar;
- poorscript.ReInit(inputStream);
- poorscript.parse(this);
- // pencil.graphics.dispose();
- }
- catch (ParseException e) {
- e.printStackTrace();
- throw new PainterException(e.toString());
- }
- }
-
-
-
- public Object getLastUnknownIdentifier() {
- return this.lastUnknownIdentifier;
- }
-
- public double[] popNumberOperands(int n) throws PainterException {
- double[] result = new double[n];
- Object objectValue;
- double doubleValue;
-
- for (int i = n - 1; i >= 0; i--) {
- try {
- objectValue = this.operands.pop();
- }
- catch (EmptyStackException e) {
- throw new PainterException("Operand stack is empty poping " + n +
- " number operands");
- }
- if (objectValue instanceof Number) {
- doubleValue = ( (Number) objectValue).doubleValue();
- }
- else {
- throw new PainterException("Number expected on operand stack poping " +
- n + " number operands, found " +
- objectValue.getClass().getName());
- }
- result[i] = doubleValue;
- }
- return result;
- }
-
- public Object[] popOperands(int n) throws PainterException {
- Object[] result = new Object[n];
- Object objectValue;
-
- for (int i = n - 1; i >= 0; i--) {
- try {
- objectValue = this.operands.pop();
- }
- catch (EmptyStackException e) {
- throw new PainterException("Operand stack is empty poping " + n +
- " operands");
- }
- result[i] = objectValue;
- }
- return result;
- }
-
- public Object peekOperand() throws PainterException {
- Object objectValue;
-
- try {
- objectValue = this.operands.peek();
- }
- catch (EmptyStackException e) {
- throw new PainterException("Operand stack is empty peeking operand");
- }
- return objectValue;
- }
-
- public Object findIdentifier(Object identifier) {
- Object result = null;
- int i, n;
-
- n = this.dictionaries.size();
- i = n - 1;
- while (i >= 0 && result == null) {
- HashMap dictionary = (HashMap)this.dictionaries.elementAt(i);
- result = dictionary.get(identifier);
- i--;
- }
- if (result == null) {
- this.lastUnknownIdentifier = identifier;
- }
- return result;
- }
-
- public Object findDictionary(Object identifier) {
- Object result = null;
- HashMap dictionary = null;
- int i, n;
-
- n = this.dictionaries.size();
- i = n - 1;
- while (i >= 0 && result == null) {
- dictionary = (HashMap)this.dictionaries.elementAt(i);
- result = dictionary.get(identifier);
- i--;
- }
- if (result == null) {
- return result;
- }
- else {
- return dictionary;
- }
- }
-
- public void collectArray() throws PainterException {
- ArrayList result;
- Object objectValue;
- int i, n;
- boolean found = false;
-
- n = this.operands.size();
- for (i = n - 1; i >= 0; i--) {
- objectValue = this.operands.elementAt(i);
- if (objectValue instanceof PAToken &&
- ( (PAToken) objectValue).type == PAToken.START_ARRAY) {
- found = true;
- break;
- }
- }
- if (!found) {
- throw new PainterException("No array was started");
- }
- result = new ArrayList(n - i - 1);
- for (int j = 0; j < n - i - 1; j++) {
- result.add(null);
- }
- for (int j = n - 1; j > i; j--) {
- try {
- objectValue = this.operands.pop();
- }
- catch (EmptyStackException e) {
- throw new PainterException(
- "Operand stack is empty collecting array elements");
- }
- result.set(j - i - 1, objectValue);
- }
- try {
- this.operands.pop(); // the start array mark itself
- }
- catch (EmptyStackException e) {
- throw new PainterException(
- "Operand stack is empty removing begin array mark");
- }
- this.operands.push(result);
- }
-
- public void collectDict() throws PainterException {
- HashMap result; // = new HashMap();
- Object objectValue;
- int i, n;
- boolean found = false;
-
- n = this.operands.size();
- for (i = n - 1; i >= 0; i--) {
- objectValue = this.operands.elementAt(i);
- if (objectValue instanceof PAToken &&
- ( (PAToken) objectValue).type == PAToken.START_DICT) {
- found = true;
- break;
- }
- }
- if (!found) {
- throw new PainterException("No dict was started");
- }
-// result = new ArrayList(n - i - 1);
- result = new HashMap();
-// for (int j = 0; j < n - i - 1; j++) {
-// result.add(null);
-// }
- for (int j = n - 1; j > i; j -= 2) {
- Object targetValue;
- try {
- targetValue = this.operands.pop();
- objectValue = this.operands.pop();
- }
- catch (EmptyStackException e) {
- throw new PainterException(
- "Operand stack is empty collecting hashmap elements");
- }
- result.put(objectValue, targetValue);
- }
- try {
- this.operands.pop(); // the start array mark itself
- }
- catch (EmptyStackException e) {
- throw new PainterException(
- "Operand stack is empty removing begin array mark");
- }
- this.operands.push(result);
- }
-
- protected HashMap constructGlobalDict() {
- HashMap globalDict = new HashMap();
- return globalDict;
- }
-
- protected HashMap constructUserDict() {
- HashMap userDict = new HashMap();
-
- return userDict;
- }
-
- public static void main(String[] args) {
- javax.swing.JFrame jf = new javax.swing.JFrame();
- jf.setVisible(true);
- jf.setDefaultCloseOperation(jf.DISPOSE_ON_CLOSE);
- PAContext pac = new PAContext(new PAPencil(jf));
- HashMap hm = (HashMap) pac.findDictionary("systemdict");
- Iterator it = new TreeSet(hm.keySet()).iterator();
- while (it.hasNext()) {
-
- String obname = it.next().toString();
- Object ob = hm.get(obname);
- String typname = ob.getClass().getName();
- System.out.println(obname + ":" + typname);
- }
- System.exit(0);
- }
-
- protected HashMap constructSystemDict() {
- HashMap systemDict = new HashMap();
-
- // newpath
- systemDict.put("newpath", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.newpath();
- }
- });
-
- // moveto
- systemDict.put("moveto", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(2);
- context.pencil.moveto(data[0], data[1]);
- }
- });
-
- // rmoveto
- systemDict.put("rmoveto", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.pencil.rmoveto(data[0], data[1]);
- }
- });
-
- // lineto
- systemDict.put("lineto", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.pencil.lineto(data[0], data[1]);
- }
- });
-
- // rlineto
- systemDict.put("rlineto", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.pencil.rlineto(data[0], data[1]);
- }
- });
-
- // arc
- systemDict.put("arc", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(5);
- context.pencil.arc(data[0], data[1], data[2], data[3], data[4]);
- }
- });
-
- // arcn
- systemDict.put("arcn", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(5);
- context.pencil.arcn(data[0], data[1], data[2], data[3], data[4]);
- }
- });
-
- // curveto
- systemDict.put("curveto", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(6);
- context.pencil.curveto(data[0], data[1], data[2], data[3], data[4],
- data[5]);
- }
- });
-
- // rcurveto
- systemDict.put("rcurveto", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(6);
- context.pencil.rcurveto(data[0], data[1], data[2], data[3], data[4],
- data[5]);
- }
- });
-
- // closepath
- systemDict.put("closepath", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.closepath();
- }
- });
-
- // gsave
- systemDict.put("gsave", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.gsave();
- }
- });
-
- // grestore
- systemDict.put("grestore", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.grestore();
- }
- });
-
- // translate
- systemDict.put("translate", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- if (context.peekOperand() instanceof Number) {
- double data[];
- AffineTransform at = new AffineTransform();
- AffineTransform ctm = context.pencil.graphics.getTransform();
-
- data = context.popNumberOperands(2);
- at.translate(data[0], data[1]);
- ctm.concatenate(at);
- context.pencil.graphics.setTransform(ctm);
- }
- else {
- Object data[];
-
- data = context.popOperands(3);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("translate: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("translate: wrong arguments");
- }
- if (! (data[2] instanceof ArrayList)) {
- throw new PainterException("translate: wrong arguments");
- }
-
- ArrayList array = (ArrayList) data[2];
-
- if (! (array.size() == 6)) {
- throw new PainterException("translate: wrong arguments");
- }
-
- AffineTransform at = new AffineTransform();
-
- at.translate( ( (Number) data[0]).doubleValue(),
- ( (Number) data[1]).doubleValue());
-
- double[] entries = new double[6];
-
- at.getMatrix(entries);
-
- for (int i = 0; i < 6; i++) {
- array.set(i, new Double(entries[i]));
- }
- context.operands.push(array);
- }
- }
- });
-
- // rotate
- systemDict.put("rotate", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- if (context.peekOperand() instanceof Number) {
- double data[];
- AffineTransform at = new AffineTransform();
- AffineTransform ctm = context.pencil.graphics.getTransform();
-
- data = context.popNumberOperands(1);
- at.rotate(data[0] * Math.PI / 180.0d);
- ctm.concatenate(at);
- context.pencil.graphics.setTransform(ctm);
- }
- else {
- Object data[];
- AffineTransform at = new AffineTransform();
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("rotate: wrong arguments");
- }
- if (! (data[1] instanceof ArrayList)) {
- throw new PainterException("rotate: wrong arguments");
- }
-
- ArrayList array = (ArrayList) data[1];
-
- if (! (array.size() == 6)) {
- throw new PainterException("rotate: wrong arguments");
- }
-
- at.rotate( ( (Number) data[0]).doubleValue());
-
- double[] entries = new double[6];
-
- at.getMatrix(entries);
-
- for (int i = 0; i < 6; i++) {
- array.set(i, new Double(entries[i]));
- }
- context.operands.push(array);
- }
- }
- });
-
- // scale
- systemDict.put("scale", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- if (context.peekOperand() instanceof Number) {
- double data[];
- AffineTransform at = new AffineTransform();
- AffineTransform ctm = context.pencil.graphics.getTransform();
-
- data = context.popNumberOperands(2);
- at.scale(data[0], data[1]);
- ctm.concatenate(at);
- context.pencil.graphics.setTransform(ctm);
- }
- else {
- Object data[];
-
- data = context.popOperands(3);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("scale: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("scale: wrong arguments");
- }
- if (! (data[2] instanceof ArrayList)) {
- throw new PainterException("scale: wrong arguments");
- }
-
- ArrayList array = (ArrayList) data[2];
-
- double[] entries = new double[6];
-
- if (! (array.size() == 6)) {
- throw new PainterException("scale: wrong arguments");
- }
-
- entries[0] = ( (Number) data[0]).doubleValue();
- entries[1] = 0.0d;
- entries[2] = 0.0d;
- entries[3] = ( (Number) data[1]).doubleValue();
- entries[4] = 0.0d;
- entries[5] = 0.0d;
-
- for (int i = 0; i < 6; i++) {
- array.set(i, new Double(entries[i]));
- }
- context.operands.push(array);
- }
- }
- });
- // currentmatrix
- systemDict.put("currentmatrix", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof ArrayList)) {
- throw new PainterException("currentmatrix: wrong argument");
- }
- ArrayList array = (ArrayList) data[0];
-
- double[] entries = new double[6];
-
- if (! (array.size() == 6)) {
- throw new PainterException("currentmatrix: wrong arguments");
- }
-
-
- AffineTransform ctm = context.pencil.graphics.getTransform();
- ctm.getMatrix(entries);
-
- for (int i = 0; i < 6; i++) {
- array.set(i, new Double(entries[i]));
- }
- context.operands.push(array);
- }
- });
-
- // setmatrix
- systemDict.put("setmatrix", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof ArrayList)) {
- throw new PainterException("setmatrix: wrong argument");
- }
- ArrayList array = (ArrayList) data[0];
-
- double[] entries = new double[6];
-
- if (! (array.size() == 6)) {
- throw new PainterException("setmatrix: wrong arguments");
- }
- entries[0] = ((Number)array.get(0)).doubleValue();
- entries[1] = ((Number)array.get(1)).doubleValue();
- entries[2] = ((Number)array.get(2)).doubleValue();
- entries[3] = ((Number)array.get(3)).doubleValue();
- entries[4] = ((Number)array.get(4)).doubleValue();
- entries[5] = ((Number)array.get(5)).doubleValue();
-
- AffineTransform at = new AffineTransform(entries);
- context.pencil.graphics.setTransform(at);
- }
- });
-
- // stroke
- systemDict.put("stroke", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.stroke();
- }
- });
-
- // fill
- systemDict.put("fill", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.fill();
- }
- });
-
- // eofill
- systemDict.put("eofill", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.eofill();
- }
- });
-
- // show
- systemDict.put("show", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(1);
- if (! (data[0] instanceof String)) {
- throw new PainterException("show: wrong arguments");
- }
- context.pencil.show( (String) data[0]);
- }
- });
-
- // stringwidth
- systemDict.put("stringwidth", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- float[] result;
- java.awt.Font font;
-
- data = context.popOperands(1);
- if (! (data[0] instanceof String)) {
- throw new PainterException("stringwidth: wrong arguments");
- }
- font = context.pencil.graphics.getFont();
- Rectangle2D rect = font.getStringBounds( (String) data[0],
- context.pencil.graphics.
- getFontRenderContext());
- context.operands.push(new Float(rect.getWidth()));
- context.operands.push(new Float(rect.getHeight()));
- }
- });
-
- // showpage
- systemDict.put("showpage", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.showpage();
- }
- });
-
- // findfont
- systemDict.put("findfont", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(1);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("findfont: wrong arguments");
- }
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("findfont: wrong arguments");
- }
- context.operands.push(context.pencil.findFont( (String) patoken.value));
- }
- });
-
- // makefont
- systemDict.put("makefont", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(2);
- if (! (data[0] instanceof java.awt.Font)) {
- throw new PainterException("makefont: wrong arguments");
- }
- if (! (data[1] instanceof ArrayList)) {
- throw new PainterException("makefont: wrong arguments");
- }
- // @TODO implement!!!
- context.operands.push(data[0]);
- }
- });
-
- // scalefont
- systemDict.put("scalefont", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(2);
- if (! (data[0] instanceof java.awt.Font)) {
- throw new PainterException("scalefont: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("scalefont: wrong arguments");
- }
- java.awt.Font fn=( (java.awt.Font) data[0]).deriveFont( ( (Number)
- data[1]).
- floatValue());
- System.out.println("Fonthoehe:"+fn.getSize2D());
- context.operands.push(fn );
- }
- });
-
- // setfont
- systemDict.put("setfont", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof java.awt.Font)) {
- throw new PainterException("setfont: wrong arguments");
- }
- java.awt.Font fn=(java.awt.Font)data[0];
- System.out.println("Fonthoehe:"+fn.getSize2D());
- /**
- * @todo two times the same?
- */
- context.pencil.graphics.setFont( fn);
- context.pencil.state.font=fn;
- }
- });
-
- // def
- systemDict.put("def", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(2);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("def: wrong arguments");
- }
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("def: wrong arguments");
- }
- try {
- ( (HashMap) context.dictionaries.peek()).put(patoken.value, data[1]);
- }
- catch (EmptyStackException e) {
- throw new PainterException(e.toString());
- }
- }
- });
-
- // bind
- systemDict.put("bind", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(1);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("bind: wrong arguments, not PAToken");
- }
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.PROCEDURE)) {
- throw new PainterException("bind: wrong arguments, not Procedure " +
- patoken.value);
- }
- context.engine.bindProcedure(patoken);
- context.operands.push(patoken);
- }
- });
-
- // mul
- systemDict.put("mul", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.operands.push(new Double(data[0] * data[1]));
- }
- });
-
- // div
- systemDict.put("div", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.operands.push(new Double(data[0] / data[1]));
- }
- });
-
- // mod
- systemDict.put("mod", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- int a, b, m;
- a = (int) data[0];
- b = (int) data[1];
- m = a % b;
- context.operands.push(new Integer(m));
- }
- });
-
- // add
- systemDict.put("add", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.operands.push(new Double(data[0] + data[1]));
- }
- });
-
- // neg
- systemDict.put("neg", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new Double( -data[0]));
- }
- });
- // ceiling
- systemDict.put("ceiling", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new Double(Math.ceil(data[0])));
- }
- });
- // sub
- systemDict.put("sub", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(2);
- context.operands.push(new Double(data[0] - data[1]));
- }
- });
-
- // atan
- systemDict.put("atan", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(2);
- context.operands.push(new Double(Math.atan2(data[0], data[1])));
- }
- });
-
- // sin
- systemDict.put("sin", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(1);
- context.operands.push(new Double(Math.sin(data[0] * Math.PI / 180.0)));
- }
- });
-
- // cos
- systemDict.put("cos", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(1);
- context.operands.push(new Double(Math.cos(data[0] * Math.PI / 180.0)));
- }
- });
-
- // sqrt
- systemDict.put("sqrt", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new Double(Math.sqrt(data[0])));
- }
- });
- // ln
- systemDict.put("log", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new Double(Math.log(data[0])));
- }
- });
- // exp
- systemDict.put("exp", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(2);
- context.operands.push(new Double(Math.pow(data[0], data[1])));
- }
- });
-
- // exch
- systemDict.put("exch", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- context.operands.push(data[1]);
- context.operands.push(data[0]);
- }
- });
-
- // dup
- systemDict.put("dup", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(1);
- context.operands.push(data[0]);
- context.operands.push(data[0]);
- }
- });
-
- // roll
- systemDict.put("roll", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- Object rollData[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("roll: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("roll: wrong arguments");
- }
- int numberOfElements, numberOfPositions, i;
-
- numberOfElements = ( (Number) data[0]).intValue();
- numberOfPositions = ( (Number) data[1]).intValue();
-
- if (numberOfPositions == 0 || numberOfElements <= 0) {
- return;
- }
-
- rollData = context.popOperands(numberOfElements);
-
- if (numberOfPositions < 0) {
- numberOfPositions = -numberOfPositions;
- numberOfPositions = numberOfPositions % numberOfElements;
-
- // downward roll
- for (i = numberOfPositions; i < numberOfElements; i++) {
- context.operands.push(rollData[i]);
- }
- for (i = 0; i < numberOfPositions; i++) {
- context.operands.push(rollData[i]);
- }
- }
- else {
- numberOfPositions = numberOfPositions % numberOfElements;
-
- // upward roll
- for (i = numberOfElements - numberOfPositions; i < numberOfElements;
- i++) {
- context.operands.push(rollData[i]);
- }
- for (i = 0; i < numberOfElements - numberOfPositions; i++) {
- context.operands.push(rollData[i]);
- }
- }
- }
- });
-
- // pop
- systemDict.put("pop", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.popOperands(1);
- }
- });
-
- // index
- systemDict.put("index", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("index: wrong arguments");
- }
- int index = ( (Number) data[0]).intValue();
- try {
- context.operands.push(context.operands.elementAt(index));
- }
- catch (ArrayIndexOutOfBoundsException e) {
- throw new PainterException(e.toString());
- }
- }
- });
-
- // mark
- systemDict.put("mark", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(new PAToken(null, PAToken.MARK));
- }
- });
-
- // cvx
- systemDict.put("cvx", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data;
- data = context.operands.pop();
- ArrayList ar = (ArrayList) data;
- Stack stack = new Stack();
- for (int i = ar.size() - 1; i >= 0; i--) {
- stack.add(ar.get(i));
- }
- PAToken patoken = new PAToken(stack, PAToken.PROCEDURE);
-// patoken.type=PAToken.PROCEDURE;
- context.operands.push(patoken);
- }
- });
- // cleartomark
- systemDict.put("cleartomark", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data;
- boolean finished = false;
-
- while (!finished) {
- try {
- data = context.operands.pop();
- if (data instanceof PAToken) {
- if ( ( (PAToken) data).type == PAToken.MARK) {
- finished = true;
- }
- }
- }
- catch (EmptyStackException e) {
- throw new PainterException(e.toString());
- }
- }
- }
- });
-
- // copy
- systemDict.put("copy", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(2);
-
- // decide if it's a simple copy or a composite object copy
- if ( (data[0] instanceof PAToken) && (data[1] instanceof PAToken)) {
- // composite object copy
- if ( ( (PAToken) data[0]).type == ( (PAToken) data[1]).type) {
- // our tokens are immutable so a copy is easy
- context.operands.push(data[0]);
- context.operands.push(data[0]);
- }
- else {
- throw new PainterException(
- "copy operation failed because composite objects on stack are not of same type");
- }
- }
- else {
- // restore first arg, we're not interested in it in this simple case
- context.operands.push(data[0]);
-
- if (data[1] instanceof Number) {
- int index = ( (Number) data[1]).intValue();
- int i, n;
- n = context.operands.size();
- Object[] copyData = new Object[index];
- for (i = n - index; i < n; i++) {
- try {
- copyData[i - n + index] = context.operands.elementAt(i);
- }
- catch (ArrayIndexOutOfBoundsException e) {
- throw new PainterException(e.toString());
- }
- }
- for (i = 0; i < index; i++) {
- context.operands.push(copyData[i]);
- }
- }
- else {
- throw new PainterException("I expect a number on stack, dude");
- }
- }
- }
- });
-
- // setgray
- systemDict.put("setgray", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(1);
- context.pencil.graphics.setPaint(new Color( (float) data[0],
- (float) data[0], (float) data[0]));
- }
- });
-
- // setrgbcolor
- systemDict.put("setrgbcolor", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(3);
- float[] fv = new float[3];
- fv[0] = (float) Math.max(Math.min(data[0], 1.0d), 0.0d);
- fv[1] = (float) Math.max(Math.min(data[1], 1.0d), 0.0d);
- fv[2] = (float) Math.max(Math.min(data[2], 1.0d), 0.0d);
- context.pencil.graphics.setPaint(new Color(fv[0], fv[1], fv[2]));
- }
- });
-
- // currentrgbcolor
-systemDict.put("currentrgbcolor", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Color cl=context.pencil.graphics.getColor();
- float[] fv = cl.getRGBComponents(null);
- context.operands.push(new Float(fv[0]));
- context.operands.push(new Float(fv[1]));
- context.operands.push(new Float(fv[2]));
- }
-});
-
-
- // PENDING(uweh): color stuff still shaky
- // sethsbcolor
- systemDict.put("sethsbcolor", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(3);
- float[] fv = new float[3];
- fv[0] = (float) Math.max(Math.min(data[0], 1.0d), 0.0d);
- fv[1] = (float) Math.max(Math.min(data[1], 1.0d), 0.0d);
- fv[2] = (float) Math.max(Math.min(data[2], 1.0d), 0.0d);
- context.pencil.graphics.setPaint(new Color(fv[0], fv[1], fv[2]));
- }
- });
-
- // PENDING(uweh): I have to convert these puppies myself to rgb ?
- // setcmykcolor
- systemDict.put("setcmykcolor", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- int rd, gr, bl;
-
- data = context.popNumberOperands(4);
- float[] fv = new float[4];
- fv[0] = (float) data[0];
- fv[1] = (float) data[1];
- fv[2] = (float) data[2];
- fv[3] = (float) data[3];
- rd = (int) (255 * Math.max(0, 1 - fv[0] - fv[3]));
- gr = (int) (255 * Math.max(0, 1 - fv[1] - fv[3]));
- bl = (int) (255 * Math.max(0, 1 - fv[2] - fv[3]));
- context.pencil.graphics.setPaint(new Color(rd, gr, bl));
- }
- });
-
- // setlinewidth
- systemDict.put("setlinewidth", new PACommand() {
- private double minLineWidth(double w, AffineTransform at) {
- double matrix[] = new double[4];
- at.getMatrix(matrix);
- double scale = matrix[0] * matrix[3] - matrix[1] * matrix[2];
- double minlw = .25 / Math.sqrt(Math.abs(scale));
- if (w < minlw) {
- w = minlw;
- }
- return w;
- }
-
- public void execute(PAContext context) throws PainterException {
- double data[];
- BasicStroke newStroke;
- Stroke oldStroke = context.pencil.graphics.getStroke();
- data = context.popNumberOperands(1);
- data[0] = this.minLineWidth(data[0],
- context.pencil.graphics.getTransform());
- if (oldStroke instanceof BasicStroke) {
- newStroke = new BasicStroke( (float) data[0],
- ( (BasicStroke) oldStroke).getEndCap(),
- ( (BasicStroke) oldStroke).getLineJoin(),
- ( (BasicStroke) oldStroke).getMiterLimit(),
- ( (BasicStroke) oldStroke).getDashArray(),
- ( (BasicStroke) oldStroke).getDashPhase());
- }
- else {
- newStroke = new BasicStroke( (float) data[0], BasicStroke.CAP_ROUND,
- BasicStroke.JOIN_ROUND);
- }
- /**
- * @todo two times the same?
- */
- context.pencil.graphics.setStroke(newStroke);
-// context.pencil.state.stroke=newStroke;
- }
- });
-
- // setlinecap
- systemDict.put("setlinecap", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- BasicStroke newStroke;
- Stroke oldStroke = context.pencil.graphics.getStroke();
- data = context.popNumberOperands(1);
- if (oldStroke instanceof BasicStroke) {
- newStroke = new BasicStroke( ( (BasicStroke) oldStroke).getLineWidth(),
- (int) data[0],
- ( (BasicStroke) oldStroke).getLineJoin(),
- ( (BasicStroke) oldStroke).getMiterLimit(),
- ( (BasicStroke) oldStroke).getDashArray(),
- ( (BasicStroke) oldStroke).getDashPhase());
- }
- else {
- newStroke = new BasicStroke(1.0f, (int) data[0],
- BasicStroke.JOIN_ROUND);
- }
- context.pencil.graphics.setStroke(newStroke);
- }
- });
-
- // setmiterlimit
- systemDict.put("setmiterlimit", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- BasicStroke newStroke;
- Stroke oldStroke = context.pencil.graphics.getStroke();
- data = context.popNumberOperands(1);
- if (oldStroke instanceof BasicStroke) {
- newStroke = new BasicStroke( ( (BasicStroke) oldStroke).getLineWidth(),
- ( (BasicStroke) oldStroke).getEndCap(),
- ( (BasicStroke) oldStroke).getLineJoin(),
- (float) data[0],
- ( (BasicStroke) oldStroke).getDashArray(),
- ( (BasicStroke) oldStroke).getDashPhase());
- }
- else {
- newStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
- BasicStroke.JOIN_ROUND, (float) data[0]);
- }
- context.pencil.graphics.setStroke(newStroke);
- }
- });
-
- // setdash
- systemDict.put("setdash", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- BasicStroke newStroke;
- Stroke oldStroke = context.pencil.graphics.getStroke();
- data = context.popOperands(2);
- if (! (data[0] instanceof ArrayList)) {
- throw new PainterException("setdash: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("setdash: wrong arguments");
- }
-
- ArrayList list = (ArrayList) data[0];
-
- if (list.size() == 0) {
- return;
- }
- float[] dashpattern = new float[list.size()];
- for (int i = 0; i < dashpattern.length; i++) {
- dashpattern[i] = ( (Number) list.get(i)).floatValue();
- }
- float dashoffset = ( (Number) data[1]).floatValue();
- if (oldStroke instanceof BasicStroke) {
- newStroke = new BasicStroke( ( (BasicStroke) oldStroke).getLineWidth(),
- ( (BasicStroke) oldStroke).getEndCap(),
- ( (BasicStroke) oldStroke).getLineJoin(),
- ( (BasicStroke) oldStroke).getMiterLimit(),
- dashpattern,
- dashoffset);
- }
- else {
- newStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,
- BasicStroke.JOIN_ROUND, 1.0f, dashpattern,
- dashoffset);
- }
- context.pencil.graphics.setStroke(newStroke);
- }
- });
-
- // setlinejoin
- systemDict.put("setlinejoin", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- BasicStroke newStroke;
- Stroke oldStroke = context.pencil.graphics.getStroke();
- data = context.popNumberOperands(1);
- if (oldStroke instanceof BasicStroke) {
- newStroke = new BasicStroke( ( (BasicStroke) oldStroke).getLineWidth(),
- ( (BasicStroke) oldStroke).getEndCap(),
- (int) data[0],
- ( (BasicStroke) oldStroke).getMiterLimit(),
- ( (BasicStroke) oldStroke).getDashArray(),
- ( (BasicStroke) oldStroke).getDashPhase());
- }
- else {
- newStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND, (int) data[0]);
- }
- context.pencil.graphics.setStroke(newStroke);
- }
- });
-
- // dumpstack
- systemDict.put("dumpstack", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Enumeration enumx = context.operands.elements();
- System.out.println("-------------Stack--------------");
- while (enumx.hasMoreElements()) {
- System.out.println(enumx.nextElement());
- }
- System.out.println("--------------------------------");
- }
- });
-
- // for
- systemDict.put("for", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
-
- data = context.popOperands(4);
- if (! (data[3] instanceof PAToken)) {
- throw new PainterException("for: wrong arguments");
- }
- if (! (data[0] instanceof Number)) {
- throw new PainterException("for: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("for: wrong arguments");
- }
- if (! (data[2] instanceof Number)) {
- throw new PainterException("for: wrong arguments");
- }
- patoken = (PAToken) data[3];
- if (! (patoken.type == PAToken.PROCEDURE)) {
- throw new PainterException("for: wrong arguments");
- }
- int i0, i1, i2;
- i0 = ( (Number) data[0]).intValue();
- i1 = ( (Number) data[1]).intValue();
- i2 = ( (Number) data[2]).intValue();
-
- if (i1 > 0) {
- for (int i = i0; i <= i2; i += i1) {
- context.operands.push(new Integer(i));
- context.engine.process(patoken);
- }
- }
- else {
- for (int i = i0; i >= i2; i -= i1) {
- context.operands.push(new Integer(i));
- context.engine.process(patoken);
- }
- }
- }
- });
-
- // repeat
- systemDict.put("repeat", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(2);
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("repeat: wrong arguments");
- }
- if (! (data[0] instanceof Number)) {
- throw new PainterException("repeat: wrong arguments");
- }
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.PROCEDURE)) {
- throw new PainterException("repeat: wrong arguments");
- }
- int n = ( (Number) data[0]).intValue();
- for (int i = 0; i < n; i++) {
- context.engine.process(patoken);
- }
- }
- });
-
- // true
- systemDict.put("true", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(new Boolean(true));
- }
- });
-
- // false
- systemDict.put("false", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(new Boolean(false));
- }
- });
-
- // lt
- systemDict.put("lt", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("lt: wrong arguments");
- }
- if (data[0] instanceof Number) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("lt: wrong arguments");
- }
- double d0, d1;
- d0 = ( (Number) data[0]).doubleValue();
- d1 = ( (Number) data[1]).doubleValue();
- if (d0 < d1) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- else {
- if (! (data[1] instanceof String)) {
- throw new PainterException("lt: wrong arguments");
- }
- String s0, s1;
- s0 = (String) data[0];
- s1 = (String) data[1];
- if (s0.compareTo(s1) < 0) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- }
- });
-
- // gt
- systemDict.put("gt", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("gt: wrong arguments");
- }
- if (data[0] instanceof Number) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("gt: wrong arguments");
- }
- double d0, d1;
- d0 = ( (Number) data[0]).doubleValue();
- d1 = ( (Number) data[1]).doubleValue();
- if (d0 > d1) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- else {
- if (! (data[1] instanceof String)) {
- throw new PainterException("gt: wrong arguments");
- }
- String s0, s1;
- s0 = (String) data[0];
- s1 = (String) data[1];
- if (s0.compareTo(s1) > 0) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- }
- });
- // ge
- systemDict.put("ge", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("ge: wrong arguments");
- }
- if (data[0] instanceof Number) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("ge: wrong arguments");
- }
- double d0, d1;
- d0 = ( (Number) data[0]).doubleValue();
- d1 = ( (Number) data[1]).doubleValue();
- if (d0 >= d1) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- else {
- if (! (data[1] instanceof String)) {
- throw new PainterException("ge: wrong arguments");
- }
- String s0, s1;
- s0 = (String) data[0];
- s1 = (String) data[1];
- if (s0.compareTo(s1) >= 0) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- }
- });
- // ne
- systemDict.put("ne", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("ne: wrong arguments");
- }
- if (data[0] instanceof Number) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("ne: wrong arguments");
- }
- double d0, d1;
- d0 = ( (Number) data[0]).doubleValue();
- d1 = ( (Number) data[1]).doubleValue();
- if (d0 != d1) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- else {
- if (! (data[1] instanceof String)) {
- throw new PainterException("ne: wrong arguments");
- }
- String s0, s1;
- s0 = (String) data[0];
- s1 = (String) data[1];
- if (s0.equals(s1)) {
- context.operands.push(new Boolean(false));
- }
- else {
- context.operands.push(new Boolean(true));
- }
- }
- }
- });
-
- // eq
- systemDict.put("eq", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("eq: wrong arguments");
- }
- if (data[0] instanceof Number) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("eq: wrong arguments");
- }
- double d0, d1;
- d0 = ( (Number) data[0]).doubleValue();
- d1 = ( (Number) data[1]).doubleValue();
- if (d0 == d1) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- else {
- if (! (data[1] instanceof String)) {
- throw new PainterException("eq: wrong arguments");
- }
- String s0, s1;
- s0 = (String) data[0];
- s1 = (String) data[1];
- if (s0.compareTo(s1) == 0) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- }
- });
-
- // if
- systemDict.put("if", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(2);
- if (! (data[0] instanceof Boolean)) {
- throw new PainterException("if: wrong arguments");
- }
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("if: wrong arguments");
- }
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.PROCEDURE)) {
- throw new PainterException("if: wrong arguments");
- }
- if ( ( (Boolean) data[0]).booleanValue()) {
- context.engine.process(patoken);
- }
- }
- });
-
- // ifelse
- systemDict.put("ifelse", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken1, patoken2;
- data = context.popOperands(3);
- if (! (data[0] instanceof Boolean)) {
- throw new PainterException("ifelse: wrong arguments");
- }
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("ifelse: wrong arguments");
- }
- if (! (data[2] instanceof PAToken)) {
- throw new PainterException("ifelse: wrong arguments");
- }
- patoken1 = (PAToken) data[1];
- patoken2 = (PAToken) data[2];
- if (! (patoken1.type == PAToken.PROCEDURE)) {
- throw new PainterException("ifelse: wrong arguments");
- }
- if (! (patoken2.type == PAToken.PROCEDURE)) {
- throw new PainterException("ifelse: wrong arguments");
- }
- if ( ( (Boolean) data[0]).booleanValue()) {
- context.engine.process(patoken1);
- }
- else {
- context.engine.process(patoken2);
- }
- }
- });
-
- // dict
- systemDict.put("dict", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new HashMap( (int) data[0]));
- }
- });
-
- // put
- systemDict.put("put", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(3);
- if ( (data[0] instanceof HashMap) && (data[1] instanceof PAToken)) {
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("put: wrong arguments");
- }
- ( (HashMap) data[0]).put(patoken.value, data[2]);
- }
- else
- if ( (data[0] instanceof ArrayList) && (data[1] instanceof Number)) {
- ArrayList ar = (ArrayList) data[0];
- Number nr = (Number) data[1];
- ar.set(nr.intValue(), data[2]);
- }
- else
- if ( (data[0] instanceof StringBuffer) && (data[1] instanceof Number) &&
- (data[2] instanceof Number)) {
- StringBuffer text = (StringBuffer) data[0];
- Number nr = (Number) data[1];
- Number ch = (Number) data[2];
- text.setCharAt(nr.intValue(), (char) (ch.intValue()));
- }
- else {
- throw new PainterException("put: wrong arguments");
- }
- }
- });
-
- // get
- systemDict.put("get", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(2);
- if (! (data[0] instanceof HashMap) && ! (data[0] instanceof ArrayList)) {
- throw new PainterException("get: wrong arguments");
- }
- if (data[0] instanceof HashMap) {
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("get: wrong arguments");
- }
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("get: wrong arguments");
- }
- context.operands.push( ( (HashMap) data[0]).get(patoken.value));
- }
- else if (data[0] instanceof ArrayList) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("get: wrong arguments");
- }
- context.operands.push( ( (ArrayList) data[0]).get( ( (Number) data[1]).
- intValue()));
- }
- }
- });
- // getinterval
- systemDict.put("getinterval", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(3);
- if (! (data[0] instanceof HashMap) && ! (data[0] instanceof ArrayList)) {
- throw new PainterException("getinterval: wrong arguments");
- }
- if (data[0] instanceof HashMap) {
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("getinterval: wrong arguments");
- }
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("getinterval: wrong arguments");
- }
- if (! (data[2] instanceof Number)) {
- throw new PainterException("getinterval: wrong arguments");
- }
- HashMap target = new HashMap();
- context.operands.push( ( (HashMap) data[0]).get(patoken.value));
- }
- else if (data[0] instanceof ArrayList) {
- if (! (data[1] instanceof Number)) {
- throw new PainterException("getinterval: wrong arguments");
- }
- if (! (data[2] instanceof Number)) {
- throw new PainterException("getinterval: wrong arguments");
- }
- ArrayList source = ( (ArrayList) data[0]);
- int from = ( (Number) data[1]).intValue();
- int to = from + ( (Number) data[2]).intValue();
- ArrayList target = new ArrayList(source.subList(from, to));
- context.operands.push(target);
- }
- }
- });
- // load
- systemDict.put("load", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(1);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("load: wrong arguments");
- }
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("load: wrong arguments");
- }
- context.operands.push(context.findIdentifier(patoken.value));
- }
- });
-
- // length
- systemDict.put("length", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- int size = 0;
- data = context.popOperands(1);
- if (data[0] instanceof PAToken) {
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("length: wrong arguments");
- }
- size = ( (String) patoken.value).length();
- }
- else if (data[0] instanceof HashMap) {
- size = ( (HashMap) data[0]).size();
- }
- else if (data[0] instanceof ArrayList) {
- size = ( (ArrayList) data[0]).size();
- }
- else if (data[0] instanceof String) {
- size = ( (String) data[0]).length();
- }
- else {
- throw new PainterException("length: wrong arguments");
- }
-
- context.operands.push(new Integer(size));
- }
- });
-
- // begin
- systemDict.put("begin", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof HashMap)) {
- throw new PainterException("begin: wrong arguments");
- }
- context.dictionaries.push(data[0]);
- }
- });
-
- // end
- systemDict.put("end", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- try {
- context.dictionaries.pop();
- }
- catch (EmptyStackException e) {
- throw new PainterException("Dictionary stack is empty");
- }
- }
- });
-
- // undef
- systemDict.put("undef", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(2);
- if (! (data[0] instanceof HashMap)) {
- throw new PainterException("undef: wrong arguments");
- }
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("undef: wrong arguments");
- }
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("undef: wrong arguments");
- }
- // we don't do an actual undef because we don't care
- }
- });
-
- // known
- systemDict.put("known", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[], foundObject;
- PAToken patoken;
- data = context.popOperands(1);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("known: wrong arguments");
- }
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("known: wrong arguments");
- }
- foundObject = context.findIdentifier(patoken.value);
- if (foundObject != null) {
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- });
-
- // where
- systemDict.put("where", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[], foundObject;
- PAToken patoken;
- data = context.popOperands(1);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("where: wrong arguments");
- }
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.KEY)) {
- throw new PainterException("where: wrong arguments");
- }
- foundObject = context.findDictionary(patoken.value);
- if (foundObject != null) {
- context.operands.push(foundObject);
- context.operands.push(new Boolean(true));
- }
- else {
- context.operands.push(new Boolean(false));
- }
- }
- });
-
- // aload
- systemDict.put("aload", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object[] data;
- java.util.AbstractList list;
- data = context.popOperands(1);
- if (data[0] instanceof PAToken) {
- data[0] = ( (PAToken) data[0]).value;
- }
- if (! (data[0] instanceof java.util.AbstractList)) {
- throw new PainterException("aload: wrong arguments");
- }
-
- list = (java.util.AbstractList) data[0];
- Iterator iterator = list.iterator();
- while (iterator.hasNext()) {
- context.operands.push(iterator.next());
- }
- context.operands.push(data[0]);
- }
- });
-
- // forall
- systemDict.put("forall", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- ArrayList list;
- PAToken patoken;
-
- data = context.popOperands(2);
- if (! (data[0] instanceof ArrayList)) {
- throw new PainterException("forall: wrong arguments");
- }
- if (! (data[1] instanceof PAToken)) {
- throw new PainterException("forall: wrong arguments");
- }
-
- patoken = (PAToken) data[1];
- if (! (patoken.type == PAToken.PROCEDURE)) {
- throw new PainterException("forall: wrong arguments");
- }
-
- list = (ArrayList) data[0];
- Iterator iterator = list.iterator();
- while (iterator.hasNext()) {
- context.operands.push(iterator.next());
- context.engine.process(patoken);
- }
-
- }
- });
-
- // currentflat PENDING(uweh):placeholder for now
- systemDict.put("currentflat", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- context.operands.push(new Double(1.0f));
- }
- });
-
- // setflat PENDING(uweh):placeholder for now
- systemDict.put("setflat", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double[] data;
- data = context.popNumberOperands(1);
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- cb.setFlatness( ( (float) data[0]));
- }
- });
-
- // round
- systemDict.put("round", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new Long(Math.round(data[0])));
- }
- });
-
- // abs
- systemDict.put("abs", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- data = context.popNumberOperands(1);
- context.operands.push(new Double(Math.abs(data[0])));
- }
- });
-
- // transform
- systemDict.put("transform", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- if (context.peekOperand() instanceof Number) {
- double data[];
- double[] transformedData = new double[2];
- data = context.popNumberOperands(2);
- AffineTransform at = context.pencil.graphics.getTransform();
- at.transform(data, 0, transformedData, 0, 1);
- context.operands.push(new Double(transformedData[0]));
- context.operands.push(new Double(transformedData[1]));
- }
- else {
- Object data[];
-
- data = context.popOperands(3);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("transform: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("transform: wrong arguments");
- }
- if (! (data[2] instanceof ArrayList)) {
- throw new PainterException("transform: wrong arguments");
- }
-
- ArrayList array = (ArrayList) data[2];
-
- double[] entries = new double[6];
-
- if (! (array.size() == 6)) {
- throw new PainterException("transform: wrong arguments");
- }
-
- for (int i = 0; i < 6; i++) {
- entries[i] = ( (Number) array.get(i)).doubleValue();
- }
-
- AffineTransform at = new AffineTransform(entries);
-
- double numberdata[] = new double[2];
- numberdata[0] = ( (Number) data[0]).doubleValue();
- numberdata[1] = ( (Number) data[1]).doubleValue();
-
- double[] transformedData = new double[2];
-
- at.transform(numberdata, 0, transformedData, 0, 1);
- context.operands.push(new Double(transformedData[0]));
- context.operands.push(new Double(transformedData[1]));
- }
- }
- });
-
- // itransform
- systemDict.put("itransform", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- if (context.peekOperand() instanceof Number) {
- double data[];
- double[] transformedData = new double[2];
- data = context.popNumberOperands(2);
- AffineTransform at = context.pencil.graphics.getTransform();
- try {
- at.inverseTransform(data, 0, transformedData, 0, 1);
- }
- catch (NoninvertibleTransformException e) {
- throw new PainterException(e.toString());
- }
- context.operands.push(new Double(transformedData[0]));
- context.operands.push(new Double(transformedData[1]));
- }
- else {
- Object data[];
-
- data = context.popOperands(3);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("itransform: wrong arguments");
- }
- if (! (data[1] instanceof Number)) {
- throw new PainterException("itransform: wrong arguments");
- }
- if (! (data[2] instanceof ArrayList)) {
- throw new PainterException("itransform: wrong arguments");
- }
-
- ArrayList array = (ArrayList) data[2];
-
- double[] entries = new double[6];
-
- if (! (array.size() == 6)) {
- throw new PainterException("itransform: wrong arguments");
- }
-
- for (int i = 0; i < 6; i++) {
- entries[i] = ( (Number) array.get(i)).doubleValue();
- }
-
- AffineTransform at = new AffineTransform(entries);
-
- double numberdata[] = new double[2];
- numberdata[0] = ( (Number) data[0]).doubleValue();
- numberdata[1] = ( (Number) data[0]).doubleValue();
-
- double[] transformedData = new double[2];
-
- try {
- at.inverseTransform(numberdata, 0, transformedData, 0, 1);
- }
- catch (NoninvertibleTransformException e) {
- throw new PainterException(e.toString());
- }
- context.operands.push(new Double(transformedData[0]));
- context.operands.push(new Double(transformedData[1]));
- }
- }
- });
-
- // currentpoint
- // PENDING(uweh): what about CTM, same thing when you construct path
- // this is different than ps, might not work in a few instances
- systemDict.put("currentpoint", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Point2D currentPoint = context.pencil.state.path.getCurrentPoint();
- context.operands.push(new Double(currentPoint.getX()));
- context.operands.push(new Double(currentPoint.getY()));
- }
- });
-
- // clippath
- systemDict.put("clippath", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.clippath();
- }
- });
-
- // matrix
- systemDict.put("matrix", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- ArrayList identityMatrix = new ArrayList(6);
-
- identityMatrix.add(new Double(1.0d));
- identityMatrix.add(new Double(0.0d));
- identityMatrix.add(new Double(0.0d));
- identityMatrix.add(new Double(1.0d));
- identityMatrix.add(new Double(0.0d));
- identityMatrix.add(new Double(0.0d));
- context.operands.push(identityMatrix);
- }
- });
-
- // concatmatrix
- systemDict.put("concatmatrix", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(3);
- if (! (data[0] instanceof ArrayList)) {
- throw new PainterException("concatmatrix: wrong arguments");
- }
- if (! (data[1] instanceof ArrayList)) {
- throw new PainterException("concatmatrix: wrong arguments");
- }
- if (! (data[2] instanceof ArrayList)) {
- throw new PainterException("concatmatrix: wrong arguments");
- }
- ArrayList arrayOne, arrayTwo, arrayThree;
- AffineTransform atOne, atTwo;
-
- arrayOne = (ArrayList) data[0];
- arrayTwo = (ArrayList) data[1];
- arrayThree = (ArrayList) data[2];
-
- double[] entries = new double[6];
-
- if (! (arrayOne.size() == 6)) {
- throw new PainterException("concatmatrix: wrong arguments");
- }
- if (! (arrayTwo.size() == 6)) {
- throw new PainterException("concatmatrix: wrong arguments");
- }
- if (! (arrayThree.size() == 6)) {
- throw new PainterException("concatmatrix: wrong arguments");
- }
-
- for (int i = 0; i < 6; i++) {
- entries[i] = ( (Number) arrayOne.get(i)).doubleValue();
- }
- atOne = new AffineTransform(entries);
- for (int i = 0; i < 6; i++) {
- entries[i] = ( (Number) arrayTwo.get(i)).doubleValue();
- }
- atTwo = new AffineTransform(entries);
-
- atOne.concatenate(atTwo);
-
- atOne.getMatrix(entries);
- for (int i = 0; i < 6; i++) {
- arrayThree.set(i, new Double(entries[i]));
- }
- context.operands.push(arrayThree);
- }
- });
-
- // pathbbox
- systemDict.put("pathbbox", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Rectangle2D pathBounds = context.pencil.state.path.getBounds2D();
-
- context.operands.push(new Double(pathBounds.getMinX()));
- context.operands.push(new Double(pathBounds.getMinY()));
- context.operands.push(new Double(pathBounds.getMaxX()));
- context.operands.push(new Double(pathBounds.getMaxY()));
- }
- });
-
- // initmatrix
- systemDict.put("initmatrix", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
-// cb.transform(Affine);
- }
- });
- // initclip
- systemDict.put("initclip", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- context.pencil.clippath();
-// pdfg2d.setClip(context.);
-// if(!PAContext.IgnoreUnknownCommands)
-// throw new UnsupportedOperationException("initclip");
- }
- });
-
- // truncate
- systemDict.put("truncate", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
- double truncated;
-
- data = context.popNumberOperands(1);
- if (data[0] < 0) {
- truncated = Math.ceil(data[0]);
- }
- else {
- truncated = Math.floor(data[0]);
- }
- context.operands.push(new Double(truncated));
- }
- });
-
- // rand
- systemDict.put("rand", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(new Integer(Math.abs(randomNumberGenerator.
- nextInt( (1 << 31) - 1))));
- }
- });
-
- // srand
- systemDict.put("srand", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- double data[];
-
- data = context.popNumberOperands(1);
- randomNumberGenerator = new Random(Math.round(data[0]));
- }
- });
- // version
- systemDict.put("version", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push("2016");
- }
- });
- // cvi
- systemDict.put("cvi", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(1);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("cvi: wrong arguments");
- }
- if (data[0] instanceof Number) {
- int d;
-
- d = ( (Number) data[0]).intValue();
- context.operands.push(new Integer(d));
- }
- else {
- String s;
- s = (String) data[0];
-
- context.operands.push(new Integer(s));
- }
- }
- });
- // cvr
- systemDict.put("cvr", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(1);
- if (! (data[0] instanceof Number) && ! (data[0] instanceof String)) {
- throw new PainterException("cvr: wrong arguments");
- }
- if (data[0] instanceof Number) {
- int d;
-
- d = ( (Number) data[0]).intValue();
- context.operands.push(new Double(d));
- }
- else {
- String s;
- s = (String) data[0];
-
- context.operands.push(new Double(s));
- }
- }
- });
- // usertime
- systemDict.put("usertime", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(new Long(System.currentTimeMillis()));
- }
- });
-// save
- systemDict.put("save", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- cb.saveState();
- context.operands.push(new Long(0));
- }
- });
-// restore
- systemDict.put("restore", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- cb.restoreState();
- Object data[];
- data = context.popOperands(1);
- }
- });
-// clear
- systemDict.put("clear", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.clear();
- }
- });
- // readonly
- systemDict.put("readonly", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- }
- });
-
-// currentfile
- systemDict.put("currentfile", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- final JavaCharStream jcs=context.poorscript.jj_input_stream;
- InputStream ins=new InputStream(){
- /**
- * Reads the next byte of data from the input stream.
- *
- * @return the next byte of data, or <code>-1</code> if the end of the stream is reached.
- * @throws IOException if an I/O error occurs.
- * @todo Implement this java.io.InputStream method
- */
- public int read() throws IOException {
- return jcs.readChar();
- }
-
- };
- context.operands.push(ins);
- }
- });
- // flushfile
- systemDict.put("flushfile", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof InputStream)) {
- throw new PainterException("flushfile: wrong arguments");
- }
-
- InputStream is = (InputStream) data[0];
- try {
- while (is.read() != -1) {
- }
- }
- catch (IOException ex) {
- }
- }
- });
-
- // closefile
- systemDict.put("closefile", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof InputStream)) {
- throw new PainterException("closefile: wrong arguments");
- }
-
- InputStream is = (InputStream) data[0];
- try {
- is.close();
- }
- catch (IOException ex) {
- }
- }
- });
-
- // string
- systemDict.put("string", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (! (data[0] instanceof Number)) {
- throw new PainterException("string: wrong arguments");
- }
- int d;
- d = ( (Number) data[0]).intValue();
- StringBuffer sb = new StringBuffer(d);
- sb.setLength(d);
- context.operands.push(sb);
- }
- });
- // null
- systemDict.put("null", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(null);
- }
- });
- // currentscreen
- systemDict.put("currentscreen", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- if (!PAContext.IgnoreUnknownCommands) {
- throw new UnsupportedOperationException("currentscreen");
- }
- else {
- context.operands.push(new Double(60));
- context.operands.push(new Double(0));
- context.operands.push(new Double(0));
- }
- }
- });
- // setscreen
- systemDict.put("setscreen", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(3);
-
-// if (!PAContext.IgnoreUnknownCommands)
-// throw new UnsupportedOperationException("setscreen");
-// else {
-//
-// }
- }
- });
-
- // flattenpath
- systemDict.put("flattenpath", new PACommand() {
- public void execute(PAContext context) throws PainterException {
-
- }
- });
- // filter
- systemDict.put("filter", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- String filtername;
- filtername = (String) ( (PAToken) context.popOperands(1)[0]).value;
- Object obj;
- while (! ( (obj = context.peekOperand()) instanceof InputStream)) {
- Object param = context.popOperands(1);
- }
-
- InputStream datasrc;
- datasrc = (InputStream) (context.popOperands(1)[0]);
-
- InputStream dis;
- if (filtername.equals("ASCIIHexDecode")) {
- // dis = new ASCIIHexInputStream(datasrc);
- final InputStream is=datasrc;
- dis=new InputStream(){
-
- /**
- * Reads the next byte of data from the input stream.
- *
- * @return the next byte of data, or <code>-1</code> if the end of the stream is reached.
- * @throws IOException if an I/O error occurs.
- * @todo Implement this java.io.InputStream method
- */
- public int read() throws IOException {
- int firstchar,secondchar;
- for(;;){
- firstchar=is.read();
- if(firstchar==-1)return -1;
- if(firstchar=='>')return -1;
- if(firstchar=='\n')continue;
- if(firstchar=='\r')continue;
- break;
- }
- for(;;){
- secondchar=is.read();
- if(secondchar=='>')return -1;
- if(secondchar==-1)return -1;
- if(secondchar=='\n')continue;
- if(secondchar=='\r')continue;
- break;
- }
- int highbyte=0;
- if(firstchar>=48&&firstchar<=57)highbyte=firstchar-48;
- if(firstchar>=65&&firstchar<=70)highbyte=firstchar-55;
- int lowbyte=0;
- if(secondchar>=48&&secondchar<=57)lowbyte=secondchar-48;
- if(secondchar>=65&&secondchar<=70)lowbyte=secondchar-55;
-
- return(highbyte*16+lowbyte);
- }
- };
- }
-// else
-// if (filtername.equals("DCTDecode")) {
-// dis = new DCTInputStream(datasrc);
-// }
- else {
- dis = datasrc;
- }
-
- context.operands.push(dis);
- }
- });
- // clip
- systemDict.put("clip", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.pencil.clip();
- }
- });
- // setcolorspace
- systemDict.put("setcolorspace", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- Object data[];
- data = context.popOperands(1);
- if (data[0] instanceof PAToken) {
- String colorspace = ( (String) ( (PAToken) data[0]).value);
- cb.setDefaultColorspace(PdfName.COLORSPACE, PdfName.DEVICERGB);
-
- }
- }
- });
- // image
- systemDict.put("image", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- PdfGraphics2D pdfg2d = (PdfGraphics2D) context.pencil.graphics;
- PdfContentByte cb = pdfg2d.getContent();
- Object data[];
- data = context.popOperands(1);
- if (data[0] instanceof Number) {
- /**
- * Level1 image
- */
- int width = ( (Number) data[0]).intValue();
- data = context.popOperands(4);
- int height = ( (Number) data[0]).intValue();
- int bits = ( (Number) data[1]).intValue();
-
- }else if (data[0] instanceof PAToken) {
- PAToken proc = (PAToken) data[0];
-
- data = context.popOperands(4);
- int width = ( (Number) data[0]).intValue();
- int height = ( (Number) data[1]).intValue();
- int bitspercomponent = ( (Number) data[2]).intValue();
- ArrayList ar = (ArrayList) data[3];
- System.out.println("I " + width + "*" + height + " " +
- bitspercomponent + " " + ar);
-
-// context.engine.process(proc);
- }
- else if (data[0] instanceof HashMap){
- HashMap hsm = (HashMap) data[0];
- Iterator it = hsm.keySet().iterator();
- int width = 0, height = 0, bitspercomponent = 0;
- int imagetype = 0;
- InputStream datasrc = null;
- Object decode = null;
- Object imagematrix = null;
- while (it.hasNext()) {
- PAToken token = (PAToken) it.next();
- if (token.value.toString().equals("ImageType")) {
- imagetype = ( (Number) hsm.get(token)).intValue();
- }
- if (token.value.toString().equals("DataSource")) {
- datasrc = (InputStream) hsm.get(token);
- }
-
- if (token.value.toString().equals("BitsPerComponent")) {
- bitspercomponent = ( (Number) hsm.get(token)).intValue();
- }
- if (token.value.toString().equals("Width")) {
- width = ( (Number) hsm.get(token)).intValue();
- }
- if (token.value.toString().equals("Height")) {
- height = ( (Number) hsm.get(token)).intValue();
- }
- if (token.value.toString().equals("Decode")) {
- decode = ( (Object) hsm.get(token));
- }
- if (token.value.toString().equals("ImageMatrix")) {
- imagematrix = ( (Object) hsm.get(token));
- }
- }
-
- try {
- byte[] barr = {};
- ByteArrayOutputStream bout = new ByteArrayOutputStream();
- int aByte;
- while ( (aByte = datasrc.read()) >= 0) {
- bout.write(aByte);
-// System.out.print((char)aByte);
- }
- System.out.println("I " + width + "*" + height + " " +
- bitspercomponent + " " + imagetype + " " +
- decode + " " + imagematrix + " " + datasrc);
- barr = bout.toByteArray();
-// com.lowagie.text.Image img = new ImgRaw(width, height, 1,
-// bitspercomponent, barr);
- com.lowagie.text.Image img = new Jpeg(barr);
- try {
- cb.addImage(img,width,0,0,height,0,0);
- }
- catch (DocumentException ex1) {
- ex1.printStackTrace();
- }
- }
- catch (IOException ex) {
- ex.printStackTrace();
- }
- catch (BadElementException ex) {
- ex.printStackTrace();
- }
-
- }
- }
- });
-
- // imagemask
- systemDict.put("imagemask", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(5);
-// if (data[0] instanceof PAToken) {
-// PAToken token = (PAToken) data[0];
-// context.engine.process(token);
-// }
- }
- });
-
-
- // exec
- systemDict.put("exec", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- data = context.popOperands(1);
- if (data[0] instanceof PAToken) {
- PAToken token = (PAToken) data[0];
- context.engine.process(token);
- }
- }
- });
- // currentdict
- systemDict.put("currentdict", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.operands.push(context.dictionaries.peek());
- }
- });
-
-// cleardictstack
- systemDict.put("cleardictstack", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- context.dictionaries.clear();
- HashMap systemDict = context.constructSystemDict();
- context.dictionaries.push(systemDict);
- HashMap globalDict = context.constructGlobalDict();
- context.dictionaries.push(globalDict);
- HashMap userDict = context.constructUserDict();
- systemDict.put("userdict", userDict);
- systemDict.put("globaldict", globalDict);
- context.dictionaries.push(userDict);
- }
- });
-
- // charpath
- systemDict.put("charpath", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
-
- data = context.popOperands(2);
- if (! (data[0] instanceof String)) {
- throw new PainterException("charpath: wrong arguments");
- }
- if (! (data[1] instanceof Boolean)) {
- throw new PainterException("charpath: wrong arguments");
- }
-
- context.pencil.charpath( (String) data[0],
- ( (Boolean) data[1]).booleanValue());
- }
- });
-
- // PENDING(uweh): we only support procedure right now and always push false on the stack
- // stopped
- systemDict.put("stopped", new PACommand() {
- public void execute(PAContext context) throws PainterException {
- Object data[];
- PAToken patoken;
- data = context.popOperands(1);
- if (! (data[0] instanceof PAToken)) {
- throw new PainterException("stopped: wrong arguments");
- }
-
- patoken = (PAToken) data[0];
- if (! (patoken.type == PAToken.PROCEDURE)) {
- throw new PainterException("stopped: wrong arguments");
- }
- context.engine.process(patoken);
- context.operands.push(new Boolean(false));
- }
- });
- systemDict.put("systemdict", systemDict);
- return systemDict;
- }
-
- /**
- * <p>Title: </p>
- *
- * <p>Description: </p>
- *
- * <p>Copyright: Copyright (c) 2006</p>
- *
- * <p>Company: </p>
- * @author not attributable
- * @version 1.0
- */
- private class NamedInputStream extends InputStream{
- public String filename;
- InputStream in;
- NamedInputStream(InputStream in,String filename) {
- super();
- this.filename=filename;
- this.in=in;
- }
- public int read() throws IOException {
- return in.read();
- }
- }
-}
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