1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.svg;
import org.apache.fop.pdf.*;
import org.apache.fop.fonts.*;
import org.apache.fop.render.pdf.FontSetup;
import org.apache.fop.layout.*;
import org.apache.fop.apps.FOPException;
import java.awt.Graphics;
import java.awt.Font;
import java.awt.Image;
import java.awt.Color;
import java.awt.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.io.OutputStream;
import java.io.IOException;
import org.apache.batik.ext.awt.g2d.GraphicContext;
/**
* This class is a wrapper for the <tt>PDFGraphics2D</tt> that
* is used to create a full document around the pdf rendering from
* <tt>PDFGraphics2D</tt>.
*
* @author <a href="mailto:keiron@aftexsw.com">Keiron Liddle</a>
* @version $Id$
* @see org.apache.fop.svg.PDFGraphics2D
*/
public class PDFDocumentGraphics2D extends PDFGraphics2D {
OutputStream stream;
PDFPage currentPage;
PDFStream pdfStream;
int width;
int height;
FontInfo fontInfo = null;
/**
* Create a new PDFDocumentGraphics2D.
* This is used to create a new pdf document, the height,
* width and output stream can be setup later.
* For use by the transcoder which needs font information
* for the bridge before the document size is known.
* The resulting document is written to the stream after rendering.
*
* @param textAsShapes set this to true so that text will be rendered
* using curves and not the font.
*/
PDFDocumentGraphics2D(boolean textAsShapes) {
super(textAsShapes);
if(!textAsShapes) {
fontInfo = new FontInfo();
FontSetup.setup(fontInfo);
try {
fontState = new FontState(fontInfo, "Helvetica", "normal",
"normal", 12, 0);
} catch (FOPException e) {}
}
standalone = true;
this.pdfDoc = new PDFDocument();
this.pdfDoc.setProducer("FOP SVG Renderer");
pdfStream = this.pdfDoc.makeStream();
graphicsState = new PDFState();
currentFontName = "";
currentFontSize = 0;
currentYPosition = 0;
currentXPosition = 0;
PDFResources pdfResources = this.pdfDoc.getResources();
currentPage = this.pdfDoc.makePage(pdfResources,
width, height);
}
void setupDocument(OutputStream stream, int width, int height) {
this.width = width;
this.height = height;
this.stream = stream;
currentStream.write("1 0 0 -1 0 " + height + " cm\n");
}
/**
* Create a new PDFDocumentGraphics2D.
* This is used to create a new pdf document of the given height
* and width.
* The resulting document is written to the stream after rendering.
*
* @param textAsShapes set this to true so that text will be rendered
* using curves and not the font.
* @param stream the stream that the final document should be written to.
* @param width the width of the document
* @param height the height of the document
*/
public PDFDocumentGraphics2D(boolean textAsShapes, OutputStream stream,
int width, int height) {
this(textAsShapes);
setupDocument(stream, width, height);
}
public FontState getFontState() {
return fontState;
}
public PDFDocument getPDFDocument() {
return this.pdfDoc;
}
/**
* Set the dimensions of the svg document that will be drawn.
* This is useful if the dimensions of the svg document are different
* from the pdf document that is to be created.
* The result is scaled so that the svg fits correctly inside the pdf document.
*/
public void setSVGDimension(float w, float h) {
currentStream.write("" + PDFNumber.doubleOut(width / w) + " 0 0 "
+ PDFNumber.doubleOut(height / h) + " 0 0 cm\n");
}
/**
* Set the background of the pdf document.
* This is used to set the background for the pdf document
* Rather than leaving it as the default white.
*/
public void setBackgroundColor(Color col) {
Color c = col;
PDFColor currentColour = new PDFColor(c.getRed(), c.getGreen(), c.getBlue());
currentStream.write("q\n");
currentStream.write(currentColour.getColorSpaceOut(true));
currentStream.write("0 0 " + width + " " + height + " re\n");
currentStream.write("f\n");
currentStream.write("Q\n");
}
/**
* The rendering process has finished.
* This should be called after the rendering has completed as there is
* no other indication it is complete.
* This will then write the results to the output stream.
*/
public void finish() throws IOException {
pdfStream.add(getString());
PDFResources pdfResources = this.pdfDoc.getResources();
currentPage.setContents(pdfStream);
this.pdfDoc.addPage(currentPage);
if(currentAnnotList != null) {
currentPage.setAnnotList(currentAnnotList);
}
if (fontInfo != null) {
FontSetup.addToResources(this.pdfDoc, fontInfo);
}
pdfDoc.outputHeader(stream);
this.pdfDoc.output(stream);
pdfDoc.outputTrailer(stream);
}
public void setGraphicContext(GraphicContext c) {
gc = c;
}
/**
* This constructor supports the create method
*/
public PDFDocumentGraphics2D(PDFDocumentGraphics2D g) {
super(g);
}
/**
* Creates a new <code>Graphics</code> object that is
* a copy of this <code>Graphics</code> object.
* @return a new graphics context that is a copy of
* this graphics context.
*/
public Graphics create() {
return new PDFDocumentGraphics2D(this);
}
public void drawString(String s, float x, float y) {
if (super.textAsShapes) {
Font font = super.getFont();
FontRenderContext frc = super.getFontRenderContext();
GlyphVector gv = font.createGlyphVector(frc, s);
Shape glyphOutline = gv.getOutline(x, y);
super.fill(glyphOutline);
} else {
super.drawString(s, x, y);
}
}
}
|
