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Posted to fop-commits@xmlgraphics.apache.org by ge...@locus.apache.org on 2000/05/01 16:59:49 UTC
cvs commit: xml-fop/src/org/apache/fop/pdf PDFDocument.java
gears 00/05/01 07:59:49
Modified: src/org/apache/fop/pdf PDFDocument.java
Log:
Whups. Updates PDFDocument to reflect changes with ColorSpace.java
Revision Changes Path
1.9 +331 -213 xml-fop/src/org/apache/fop/pdf/PDFDocument.java
Index: PDFDocument.java
===================================================================
RCS file: /home/cvs/xml-fop/src/org/apache/fop/pdf/PDFDocument.java,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- PDFDocument.java 2000/03/21 10:55:43 1.8
+++ PDFDocument.java 2000/05/01 14:59:49 1.9
@@ -1,49 +1,49 @@
-/*-- $Id: PDFDocument.java,v 1.8 2000/03/21 10:55:43 arved Exp $ --
+/*-- $Id: PDFDocument.java,v 1.9 2000/05/01 14:59:49 gears Exp $ --
============================================================================
- The Apache Software License, Version 1.1
+ The Apache Software License, Version 1.1
============================================================================
- Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+ Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
- include the following acknowledgment: "This product includes software
- developed by the Apache Software Foundation (http://www.apache.org/)."
- Alternately, this acknowledgment may appear in the software itself, if
- and wherever such third-party acknowledgments normally appear.
+ include the following acknowledgment: "This product includes software
+ developed by the Apache Software Foundation (http://www.apache.org/)."
+ Alternately, this acknowledgment may appear in the software itself, if
+ and wherever such third-party acknowledgments normally appear.
4. The names "FOP" and "Apache Software Foundation" must not be used to
- endorse or promote products derived from this software without prior
- written permission. For written permission, please contact
- apache@apache.org.
+ endorse or promote products derived from this software without prior
+ written permission. For written permission, please contact
+ apache@apache.org.
5. Products derived from this software may not be called "Apache", nor may
- "Apache" appear in their name, without prior written permission of the
- Apache Software Foundation.
+ "Apache" appear in their name, without prior written permission of the
+ Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- This software consists of voluntary contributions made by many individuals
- on behalf of the Apache Software Foundation and was originally created by
+ This software consists of voluntary contributions made by many individuals
+ on behalf of the Apache Software Foundation and was originally created by
James Tauber <jt...@jtauber.com>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
@@ -57,6 +57,8 @@
// referenced and I'd rather not do it
import org.apache.fop.image.FopImage;
+import org.apache.fop.datatypes.ColorSpace;
+
// Java
import java.io.IOException;
import java.io.PrintWriter;
@@ -77,72 +79,76 @@
* also keeps direct track of the /Root, /Info and /Resources objects.
*/
public class PDFDocument {
-
- /** the version of PDF supported */
- protected static final String pdfVersion = "1.3";
- /** the current character position */
- protected int position = 0;
+ /** the version of PDF supported */
+ protected static final String pdfVersion = "1.3";
- /** the character position of each object */
- protected Vector location = new Vector();
+ /** the current character position */
+ protected int position = 0;
- /** the counter for object numbering */
- protected int objectcount = 0;
+ /** the character position of each object */
+ protected Vector location = new Vector();
- /** the objects themselves */
- protected Vector objects = new Vector();
+ /** the counter for object numbering */
+ protected int objectcount = 0;
+
+ /** the objects themselves */
+ protected Vector objects = new Vector();
- /** character position of xref table */
- protected int xref;
+ /** character position of xref table */
+ protected int xref;
- /** the /Root object */
- protected PDFRoot root;
+ /** the /Root object */
+ protected PDFRoot root;
- /** the /Info object */
- protected PDFInfo info;
+ /** the /Info object */
+ protected PDFInfo info;
- /** the /Resources object */
- protected PDFResources resources;
+ /** the /Resources object */
+ protected PDFResources resources;
- /** the counter for Pattern name numbering (e.g. 'Pattern1')*/
- protected int patternCount = 0;
-
- /** the counter for Shading name numbering */
- protected int shadingCount = 0;
-
- /** the counter for XObject numbering */
- protected int xObjectCount = 0;
+ /** the colorspace (0=RGB, 1=CMYK) **/
+ //protected int colorspace = 0;
+ protected ColorSpace colorspace = new ColorSpace(ColorSpace.DEVICE_RGB);
+
+ /** the counter for Pattern name numbering (e.g. 'Pattern1')*/
+ protected int patternCount = 0;
+
+ /** the counter for Shading name numbering */
+ protected int shadingCount = 0;
+
+ /** the counter for XObject numbering */
+ protected int xObjectCount = 0;
- /** the XObjects */
- protected Vector xObjects = new Vector();
+ /** the XObjects */
+ protected Vector xObjects = new Vector();
- /**
- * creates an empty PDF document
- */
- public PDFDocument() {
+ /**
+ * creates an empty PDF document
+ */
+ public PDFDocument() {
/* create the /Root, /Info and /Resources objects */
this.root = makeRoot();
this.info = makeInfo();
this.resources = makeResources();
- }
-
- /**
- * set the producer of the document
- *
- * @param producer string indicating application producing the PDF
- */
- public void setProducer(String producer) {
+ }
+
+ /**
+ * set the producer of the document
+ *
+ * @param producer string indicating application producing the PDF
+ */
+ public void setProducer(String producer) {
this.info.setProducer(producer);
- }
+ }
- /**
- * make /Root object as next object
- *
- * @return the created /Root object
- */
- protected PDFRoot makeRoot() {
+ /**
+ * make /Root object as next object
+ *
+ * @return the created /Root object
+ */
+ protected PDFRoot makeRoot() {
/* create a PDFRoot with the next object number and add to
list of objects */
@@ -157,36 +163,36 @@
/* inform the /Root object of the /Pages root */
pdfRoot.setRootPages(rootPages);
return pdfRoot;
- }
+ }
- /**
- * make an /Info object
- *
- * @param producer string indicating application producing the PDF
- * @return the created /Info object
- */
- protected PDFInfo makeInfo() {
+ /**
+ * make an /Info object
+ *
+ * @param producer string indicating application producing the PDF
+ * @return the created /Info object
+ */
+ protected PDFInfo makeInfo() {
/* create a PDFInfo with the next object number and add to
list of objects */
PDFInfo pdfInfo = new PDFInfo(++this.objectcount);
this.objects.addElement(pdfInfo);
return pdfInfo;
- }
+ }
- /**
- * make a /Resources object
- *
- * @return the created /Resources object
- */
- private PDFResources makeResources() {
+ /**
+ * make a /Resources object
+ *
+ * @return the created /Resources object
+ */
+ private PDFResources makeResources() {
/* create a PDFResources with the next object number and add
to list of objects */
PDFResources pdfResources = new PDFResources(++this.objectcount);
this.objects.addElement(pdfResources);
return pdfResources;
- }
+ }
/**
* Make a Type 0 sampled function
@@ -252,7 +258,7 @@
theDomain, theRange, theSize,
theBitsPerSample, theOrder,
theEncode, theDecode,
- theFunctionDataStream, theFilter);
+ theFunctionDataStream, theFilter);
this.objects.addElement(function);
return(function);
@@ -343,7 +349,7 @@
theFunctionType,
theDomain, theRange,
theFunctions, theBounds,
- theEncode);
+ theEncode);
this.objects.addElement(function);
return(function);
@@ -394,7 +400,7 @@
* It's optional, the default is the identity matrix
* @param theFunction The PDF Function that maps an (x,y) location to a color
*/
- public PDFShading makeShading(int theShadingType, StringBuffer theColorSpace,
+ public PDFShading makeShading(int theShadingType, ColorSpace theColorSpace,
Vector theBackground, Vector theBBox, boolean theAntiAlias,
Vector theDomain, Vector theMatrix, PDFFunction theFunction)
{ //make Shading of Type 1
@@ -412,8 +418,8 @@
}
/**
- * Make an axial or radial shading object.
- *
+ * Make an axial or radial shading object.
+ *
* @param theShadingType 2 or 3 for axial or radial shading
* @param theColorSpace "DeviceRGB" or similar.
* @param theBackground theBackground An array of color components appropriate to the
@@ -429,10 +435,10 @@
* @param theFunction the Stitching (PDFfunction type 3) function, even if it's stitching a single function
* @param theExtend Vector of Booleans of whether to extend teh start and end colors past the start and end points
* The default is [false, false]
- */
+ */
public PDFShading makeShading(int theShadingType,
- StringBuffer theColorSpace, Vector theBackground,
- Vector theBBox, boolean theAntiAlias,
+ ColorSpace theColorSpace, Vector theBackground,
+ Vector theBBox, boolean theAntiAlias,
Vector theCoords, Vector theDomain,
PDFFunction theFunction, Vector theExtend)
{ //make Shading of Type 2 or 3
@@ -471,14 +477,14 @@
* @param theDecode Vector of Doubles see PDF 1.3 spec pages 303 to 312.
* @param theFunction the PDFFunction
*/
- public PDFShading makeShading(int theShadingType, StringBuffer theColorSpace,
+ public PDFShading makeShading(int theShadingType, ColorSpace theColorSpace,
Vector theBackground, Vector theBBox, boolean theAntiAlias,
int theBitsPerCoordinate, int theBitsPerComponent,
int theBitsPerFlag, Vector theDecode, PDFFunction theFunction)
{ //make Shading of type 4,6 or 7
String theShadingName = new String("Sh"+(++this.shadingCount));
- PDFShading shading= new PDFShading(++this.objectcount, theShadingName,
+ PDFShading shading = new PDFShading(++this.objectcount, theShadingName,
theShadingType, theColorSpace,
theBackground, theBBox, theAntiAlias,
theBitsPerCoordinate,theBitsPerComponent,
@@ -510,7 +516,7 @@
* @param theVerticesPerRow number of vertices in each "row" of the lattice.
* @param theFunction The PDFFunction that's mapped on to this shape
*/
- public PDFShading makeShading(int theShadingType, StringBuffer theColorSpace,
+ public PDFShading makeShading(int theShadingType, ColorSpace theColorSpace,
Vector theBackground, Vector theBBox, boolean theAntiAlias,
int theBitsPerCoordinate, int theBitsPerComponent,
Vector theDecode, int theVerticesPerRow, PDFFunction theFunction)
@@ -591,17 +597,128 @@
return(pattern);
}
+
+ public int getColorSpace()
+ {
+ return(this.colorspace.getColorSpace());
+ }
+
+ public void setColorSpace(int theColorspace)
+ {
+ this.colorspace.setColorSpace(theColorspace);
+ return;
+ }
+
+ public PDFPattern createGradient(boolean radial,
+ ColorSpace theColorspace,
+ Vector theColors,
+ Vector theBounds,
+ Vector theCoords)
+ {
+ PDFShading myShad;
+ PDFFunction myfunky;
+ PDFFunction myfunc;
+ Vector theCzero;
+ Vector theCone;
+ PDFPattern myPattern;
+ ColorSpace theColorSpace;
+ double interpolation = (double) 1.000;
+ Vector theFunctions = new Vector();
+
+ int currentPosition;
+ int lastPosition = theColors.size()-2;
+
+
+ //if 5 elements, the penultimate element is 3.
+ //do not go beyond that, because you always need
+ //to have a next color when creating the function.
+
+ for(currentPosition=0;
+ currentPosition < lastPosition;
+ currentPosition++)
+ {//for every consecutive color pair
+ PDFColor currentColor =
+ (PDFColor)theColors.elementAt(currentPosition);
+ PDFColor nextColor =
+ (PDFColor)theColors.elementAt(currentPosition+1);
+ //colorspace must be consistant
+ if (this.colorspace.getColorSpace() != currentColor.getColorSpace())
+ currentColor.setColorSpace(this.colorspace.getColorSpace());
+
+ if (this.colorspace.getColorSpace() != nextColor.getColorSpace())
+ nextColor.setColorSpace(this.colorspace.getColorSpace());
+
+ theCzero = currentColor.getVector();
+ theCone = nextColor.getVector();
+
+ myfunc = this.makeFunction(
+ 2, null, null,
+ theCzero, theCone,
+ interpolation);
+
+ theFunctions.addElement(myfunc);
+
+ }//end of for every consecutive color pair
+
+ myfunky = this.makeFunction(3,
+ null, null,
+ theFunctions, theBounds,
+ null);
+
+ if(radial)
+ {
+ if(theCoords.size() ==6)
+ {
+ myShad = this.makeShading(
+ 3, this.colorspace,
+ null, null, false,
+ theCoords, null, myfunky, null);
+ }
+ else
+ { //if the center x, center y, and radius specifiy
+ //the gradient, then assume the same center x, center y,
+ //and radius of zero for the other necessary component
+ Vector newCoords = new Vector();
+ newCoords.addElement(theCoords.elementAt(0));
+ newCoords.addElement(theCoords.elementAt(1));
+ newCoords.addElement(theCoords.elementAt(2));
+ newCoords.addElement(theCoords.elementAt(0));
+ newCoords.addElement(theCoords.elementAt(1));
+ newCoords.addElement(new Double(0.0));
+
+ myShad = this.makeShading(
+ 3, this.colorspace,
+ null, null, false,
+ newCoords, null, myfunky, null);
+
+ }
+ }
+ else
+ {
+ myShad = this.makeShading(
+ 2, this.colorspace,
+ null, null, false,
+ theCoords, null, myfunky, null);
+
+ }
+
+ myPattern = this.makePattern(
+ 2, myShad, null, null, null);
+
+ return(myPattern);
+ }
+
- /**
- * make a Type1 /Font object
- *
- * @param fontname internal name to use for this font (eg "F1")
- * @param basefont name of the base font (eg "Helvetica")
- * @param encoding character encoding scheme used by the font
- * @return the created /Font object
- */
- public PDFFont makeFont(String fontname, String basefont,
- String encoding) {
+ /**
+ * make a Type1 /Font object
+ *
+ * @param fontname internal name to use for this font (eg "F1")
+ * @param basefont name of the base font (eg "Helvetica")
+ * @param encoding character encoding scheme used by the font
+ * @return the created /Font object
+ */
+ public PDFFont makeFont(String fontname, String basefont,
+ String encoding) {
/* create a PDFFont with the next object number and add to the
list of objects */
@@ -609,30 +726,30 @@
basefont, encoding);
this.objects.addElement(font);
return font;
- }
+ }
- public int addImage(FopImage img) {
+ public int addImage(FopImage img) {
PDFXObject xObject = new PDFXObject(++this.objectcount,
- ++this.xObjectCount, img);
+ ++this.xObjectCount, img);
this.objects.addElement(xObject);
this.xObjects.addElement(xObject);
return xObjectCount;
- }
+ }
- /**
- * make a /Page object
- *
- * @param resources resources object to use
- * @param contents stream object with content
- * @param pagewidth width of the page in points
- * @param pageheight height of the page in points
- *
- * @return the created /Page object
- */
- public PDFPage makePage(PDFResources resources,
- PDFStream contents,
- int pagewidth,
- int pageheight) {
+ /**
+ * make a /Page object
+ *
+ * @param resources resources object to use
+ * @param contents stream object with content
+ * @param pagewidth width of the page in points
+ * @param pageheight height of the page in points
+ *
+ * @return the created /Page object
+ */
+ public PDFPage makePage(PDFResources resources,
+ PDFStream contents,
+ int pagewidth,
+ int pageheight) {
/* create a PDFPage with the next object number, the given
resources, contents and dimensions */
@@ -647,23 +764,23 @@
this.root.addPage(page);
return page;
- }
+ }
- /**
- * make a link object
- *
- * @param rect the clickable rectangle
- * @param destination the destination file
- *
- * @return the PDFLink object created
- */
- public PDFLink makeLink(Rectangle rect, String destination) {
+ /**
+ * make a link object
+ *
+ * @param rect the clickable rectangle
+ * @param destination the destination file
+ *
+ * @return the PDFLink object created
+ */
+ public PDFLink makeLink(Rectangle rect, String destination) {
PDFLink link = new PDFLink(++this.objectcount, rect);
this.objects.addElement(link);
PDFFileSpec fileSpec = new PDFFileSpec(++this.objectcount,
- destination);
+ destination);
this.objects.addElement(fileSpec);
PDFAction action = new PDFAction(++this.objectcount,
@@ -672,51 +789,52 @@
link.setAction(action);
return link;
- }
+ }
- /**
- * make a stream object
- *
- * @return the stream object created
- */
- public PDFStream makeStream() {
-
- /* create a PDFStream with the next object number and add it
+ /**
+ * make a stream object
+ *
+ * @return the stream object created
+ */
+ public PDFStream makeStream() {
+
+ /* create a PDFStream with the next object number and add it
+
to the list of objects */
PDFStream obj = new PDFStream(++this.objectcount);
this.objects.addElement(obj);
return obj;
- }
-
- /**
- * make an annotation list object
- *
- * @return the annotation list object created
- */
- public PDFAnnotList makeAnnotList() {
-
+ }
+
+ /**
+ * make an annotation list object
+ *
+ * @return the annotation list object created
+ */
+ public PDFAnnotList makeAnnotList() {
+
/* create a PDFAnnotList with the next object number and add it
to the list of objects */
PDFAnnotList obj = new PDFAnnotList(++this.objectcount);
this.objects.addElement(obj);
return obj;
- }
+ }
- /**
- * get the /Resources object for the document
- *
- * @return the /Resources object
- */
- public PDFResources getResources() {
+ /**
+ * get the /Resources object for the document
+ *
+ * @return the /Resources object
+ */
+ public PDFResources getResources() {
return this.resources;
- }
+ }
- /**
- * write the entire document out
- *
- * @param writer the PrinterWriter to output the document to
- */
- public void output(PrintWriter writer) throws IOException {
+ /**
+ * write the entire document out
+ *
+ * @param writer the PrinterWriter to output the document to
+ */
+ public void output(PrintWriter writer) throws IOException {
/* output the header and increment the character position by
the header's length */
@@ -727,16 +845,16 @@
/* loop through the object numbers */
for (int i=1; i <= this.objectcount; i++) {
- /* add the position of this object to the list of object
- locations */
- this.location.addElement(new Integer(this.position));
-
- /* retrieve the object with the current number */
- PDFObject object = (PDFObject)this.objects.elementAt(i-1);
-
- /* output the object and increment the character position
- by the object's length */
- this.position += object.output(writer);
+ /* add the position of this object to the list of object
+ locations */
+ this.location.addElement(new Integer(this.position));
+
+ /* retrieve the object with the current number */
+ PDFObject object = (PDFObject)this.objects.elementAt(i-1);
+
+ /* output the object and increment the character position
+ by the object's length */
+ this.position += object.output(writer);
}
/* output the xref table and increment the character position
@@ -746,67 +864,67 @@
/* output the trailer and flush the Writer */
outputTrailer(writer);
writer.flush();
- }
+ }
- /**
- * write the PDF header
- *
- * @param writer the PrintWriter to write the header to
- * @return the number of characters written
- */
- protected int outputHeader(PrintWriter writer) throws IOException {
+ /**
+ * write the PDF header
+ *
+ * @param writer the PrintWriter to write the header to
+ * @return the number of characters written
+ */
+ protected int outputHeader(PrintWriter writer) throws IOException {
String pdf = "%PDF-" + this.pdfVersion + "\n";
writer.write(pdf);
return pdf.length();
- }
+ }
- /**
- * write the trailer
- *
- * @param writer the PrintWriter to write the trailer to
- */
- protected void outputTrailer(PrintWriter writer) throws IOException {
+ /**
+ * write the trailer
+ *
+ * @param writer the PrintWriter to write the trailer to
+ */
+ protected void outputTrailer(PrintWriter writer) throws IOException {
/* construct the trailer */
String pdf = "trailer\n<<\n/Size " + (this.objectcount+1)
- + "\n/Root " + this.root.number + " " + this.root.generation
- + " R\n/Info " + this.info.number + " "
- + this.info.generation + " R\n>>\nstartxref\n" + this.xref
- + "\n%%EOF\n";
+ + "\n/Root " + this.root.number + " " + this.root.generation
+ + " R\n/Info " + this.info.number + " "
+ + this.info.generation + " R\n>>\nstartxref\n" + this.xref
+ + "\n%%EOF\n";
/* write the trailer */
writer.write(pdf);
- }
+ }
- /**
- * write the xref table
- *
- * @param writer the PrintWriter to write the xref table to
- * @return the number of characters written
- */
- private int outputXref(PrintWriter writer) throws IOException {
+ /**
+ * write the xref table
+ *
+ * @param writer the PrintWriter to write the xref table to
+ * @return the number of characters written
+ */
+ private int outputXref(PrintWriter writer) throws IOException {
/* remember position of xref table */
this.xref = this.position;
/* construct initial part of xref */
StringBuffer pdf = new StringBuffer("xref\n0 " + (this.objectcount+1)
- + "\n0000000000 65535 f \n");
+ + "\n0000000000 65535 f \n");
/* loop through object numbers */
for (int i=1; i < this.objectcount+1; i++) {
- /* contruct xref entry for object */
- String padding = "0000000000";
- String x = this.location.elementAt(i-1).toString();
- String loc = padding.substring(x.length()) + x;
+ /* contruct xref entry for object */
+ String padding = "0000000000";
+ String x = this.location.elementAt(i-1).toString();
+ String loc = padding.substring(x.length()) + x;
- /* append to xref table */
- pdf = pdf.append(loc + " 00000 n \n");
+ /* append to xref table */
+ pdf = pdf.append(loc + " 00000 n \n");
}
/* write the xref table and return the character length */
writer.write(pdf.toString());
return pdf.length();
- }
+ }
}