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1
50 package com.lowagie.tools.plugins;
51
52 import java.io.File;
53 import java.io.FileOutputStream;
54
55 import javax.swing.JInternalFrame;
56 import javax.swing.JOptionPane;
57
58 import com.lowagie.text.Document;
59 import com.lowagie.text.PageSize;
60 import com.lowagie.text.Rectangle;
61 import com.lowagie.text.pdf.PdfContentByte;
62 import com.lowagie.text.pdf.PdfImportedPage;
63 import com.lowagie.text.pdf.PdfReader;
64 import com.lowagie.text.pdf.PdfWriter;
65 import com.lowagie.tools.arguments.FileArgument;
66 import com.lowagie.tools.arguments.OptionArgument;
67 import com.lowagie.tools.arguments.PdfFilter;
68 import com.lowagie.tools.arguments.ToolArgument;
69
70
73 public class Handouts extends AbstractTool {
74
77 public Handouts() {
78 arguments.add(new FileArgument(this, "srcfile", "The file you want to convert", false, new PdfFilter()));
79 arguments.add(new FileArgument(this, "destfile", "The file to which the converted TIFF has to be written", true, new PdfFilter()));
80 OptionArgument oa = new OptionArgument(this, "pages", "The number of pages you want on one handout page");
81 oa.addOption("2 pages on 1", "2");
82 oa.addOption("3 pages on 1", "3");
83 oa.addOption("4 pages on 1", "4");
84 oa.addOption("5 pages on 1", "5");
85 oa.addOption("6 pages on 1", "6");
86 oa.addOption("7 pages on 1", "7");
87 oa.addOption("8 pages on 1", "8");
88 arguments.add(oa);
89 }
90
91
94 protected void createFrame() {
95 internalFrame = new JInternalFrame("Handouts", true, true, true);
96 internalFrame.setSize(300, 250);
97 internalFrame.setJMenuBar(getMenubar());
98 internalFrame.getContentPane().add(getConsole(20, 10));
99 }
100
101
104 public void execute() {
105 try {
106 if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile");
107 File src = (File)getValue("srcfile");
108 if (getValue("destfile") == null) throw new InstantiationException("You need to choose a destination file");
109 File dest = (File)getValue("destfile");
110 int pages;
111 try {
112 pages = Integer.parseInt((String) getValue("pages"));
113 }
114 catch(Exception e) {
115 pages = 4;
116 }
117
118 float x1 = 30f;
119 float x2 = 280f;
120 float x3 = 320f;
121 float x4 = 565f;
122
123 float[] y1 = new float[pages];
124 float[] y2 = new float[pages];
125
126 float height = (778f - (20f * (pages - 1))) / pages;
127 y1[0] = 812f;
128 y2[0] = 812f - height;
129
130 for (int i = 1; i < pages; i++) {
131 y1[i] = y2[i - 1] - 20f;
132 y2[i] = y1[i] - height;
133 }
134
135 PdfReader reader = new PdfReader(src.getAbsolutePath());
137 int n = reader.getNumberOfPages();
139 System.out.println("There are " + n + " pages in the original file.");
140
141 Document document = new Document(PageSize.A4);
143 PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest));
145 document.open();
147 PdfContentByte cb = writer.getDirectContent();
148 PdfImportedPage page;
149 int rotation;
150 int i = 0;
151 int p = 0;
152 while (i < n) {
154 i++;
155 Rectangle rect = reader.getPageSizeWithRotation(i);
156 float factorx = (x2 - x1) / rect.width();
157 float factory = (y1[p] - y2[p]) / rect.height();
158 float factor = (factorx < factory ? factorx : factory);
159 float dx = (factorx == factor ? 0f : ((x2 - x1) - rect.width() * factor) / 2f);
160 float dy = (factory == factor ? 0f : ((y1[p] - y2[p]) - rect.height() * factor) / 2f);
161 page = writer.getImportedPage(reader, i);
162 rotation = reader.getPageRotation(i);
163 if (rotation == 90 || rotation == 270) {
164 cb.addTemplate(page, 0, -factor, factor, 0, x1 + dx, y2[p] + dy + rect.height() * factor);
165 }
166 else {
167 cb.addTemplate(page, factor, 0, 0, factor, x1 + dx, y2[p] + dy);
168 }
169 cb.setRGBColorStroke(0xC0, 0xC0, 0xC0);
170 cb.rectangle(x3 - 5f, y2[p] - 5f, x4 - x3 + 10f, y1[p] - y2[p] + 10f);
171 for (float l = y1[p] - 19; l > y2[p]; l -= 16) {
172 cb.moveTo(x3, l);
173 cb.lineTo(x4, l);
174 }
175 cb.rectangle(x1 + dx, y2[p] + dy, rect.width() * factor, rect.height() * factor);
176 cb.stroke();
177 System.out.println("Processed page " + i);
178 p++;
179 if (p == pages) {
180 p = 0;
181 document.newPage();
182 }
183 }
184 document.close();
186 }
187 catch(Exception e) {
188 JOptionPane.showMessageDialog(internalFrame,
189 e.getMessage(),
190 e.getClass().getName(),
191 JOptionPane.ERROR_MESSAGE);
192 System.err.println(e.getMessage());
193 }
194 }
195
196
199 public void valueHasChanged(ToolArgument arg) {
200 if (internalFrame == null) {
201 return;
203 }
204 }
206
207
208
212 public static void main(String[] args) {
213 Handouts tool = new Handouts();
214 if (args.length < 2) {
215 System.err.println(tool.getUsage());
216 }
217 tool.setArguments(args);
218 tool.execute();
219 }
220
221
224 protected File getDestPathPDF() throws InstantiationException {
225 return (File)getValue("destfile");
226 }
227 }
228 |
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