Admin: 1 версия

2010-06-01T05:21:03Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Новая страница

== Add image to an existing Pdf document ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Image;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
public class MainClass {
public static void main(String[] args) throws Exception {
PdfReader reader = new PdfReader("HelloWorldRead.pdf");
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("HelloWorldStamper2.pdf"));
Image img = Image.getInstance("watermark.jpg");
img.setAbsolutePosition(200, 400);
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
PdfContentByte under, over;
int total = reader.getNumberOfPages() + 1;
for (int i = 1; i < total; i++) {
stamper.setRotateContents(false);
under = stamper.getUnderContent(i);
under.addImage(img);
}
stamper.close();
}
}</source>



== Black and White ==



<source lang="java">
import java.awt.Color;
import java.awt.Toolkit;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Rectangle r = new Rectangle(PageSize.A4);
r.setBackgroundColor(new Color(0xC0, 0xC0, 0xC0));
Document document = new Document(r);
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
java.awt.Image awtImage = Toolkit.getDefaultToolkit().createImage("dog.gif");
com.lowagie.text.Image img1 = com.lowagie.text.Image.getInstance(awtImage, null, true);
document.add(img1);

document.close();
}
}</source>



== Convert java.awt.Image to com.lowagie.text.Image ==



<source lang="java">
import java.awt.Color;
import java.awt.Toolkit;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Rectangle r = new Rectangle(PageSize.A4);
r.setBackgroundColor(new Color(0xC0, 0xC0, 0xC0));
Document document = new Document(r);
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
java.awt.Image awtImage = Toolkit.getDefaultToolkit().createImage("dog.gif");
com.lowagie.text.Image img1 = com.lowagie.text.Image.getInstance(awtImage, null);
document.add(img1);

document.close();
}
}</source>



== Create chunk from Image ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Chunk fox = new Chunk(Image.getInstance("fox.gif"), 0, -15);
Chunk dog = new Chunk(Image.getInstance("dog.gif"), 0, -15);
Paragraph p = new Paragraph("Quick brown ");
p.add(fox);
p.add(dog);
document.add(p);
document.close();
}
}</source>



== Get Image height and width ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image jpg1 = Image.getInstance("dog.jpg");
jpg1.scalePercent(80);
jpg1.setRotation((float) Math.PI / 6);
document.add(new Paragraph("rotate 30 degrees"));
document.add(jpg1);
document.add(new Paragraph("Original width: " + jpg1.width() + "; original height: "
+ jpg1.height()));
document.close();
}
}</source>



== Image Absolute Position ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
com.lowagie.text.Image img = null;
Document document = new Document(new Rectangle(200, 280));
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
img = com.lowagie.text.Image.getInstance("dog.png");
img.setAbsolutePosition(15, 15);
document.add(img);
document.close();
}
}</source>



== Image Alignment ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
document.add(new Phrase("foxdog.jpg"));
Image img1 = Image.getInstance("foxdog.jpg");
img1.setAlignment(Image.LEFT);
document.add(img1);
document.add(new Phrase("foxdog.gif"));
Image img2 = Image.getInstance("foxdog.gif");
img2.setAlignment(Image.MIDDLE);
document.add(img2);
document.add(new Phrase("foxdog.png"));
Image img3 = Image.getInstance("foxdog.png");
img3.setAlignment(Image.RIGHT);
document.add(img3);
document.close();
}
}</source>



== Image Mask ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
byte circledata[] = { (byte) 0x3c, (byte) 0x7e, (byte) 0xe7, (byte) 0xc3, (byte) 0xc3,
(byte) 0xe7, (byte) 0x7e, (byte) 0x3c };
Image mask = Image.getInstance(8, 8, 1, 1, circledata);
mask.makeMask();
mask.setInvertMask(true);
Image img = Image.getInstance("dog.jpg");
img.setImageMask(mask);
document.add(img);
document.add(Image.getInstance(8, 8, 1, 1, circledata));
document.add(mask);
document.close();
}
}</source>



== Image transition ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image img = Image.getInstance("dog.jpg");
img.setAbsolutePosition(50, 600);
document.add(img);
img.setAbsolutePosition(50, 300);
document.add(img);
document.close();
}
}</source>



== Image Wrapping ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Phrase p = new Phrase("this is a test. ");
Image img1 = Image.getInstance("foxdog.jpg");
img1.setAlignment(Image.RIGHT | Image.TEXTWRAP);
document.add(img1);
for (int i = 0; i < 20; i++)
document.add(p);
Image img2 = Image.getInstance("foxdog.gif");
img2.setAlignment(Image.MIDDLE | Image.UNDERLYING);
document.add(img2);
for (int i = 0; i < 30; i++)
document.add(p);
document.close();
}
}</source>



== Pattern Matrix for an image ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.CMYKColor;
import com.lowagie.text.pdf.PatternColor;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPatternPainter;
import com.lowagie.text.pdf.PdfShading;
import com.lowagie.text.pdf.PdfShadingPattern;
import com.lowagie.text.pdf.PdfSpotColor;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.ShadingColor;
import com.lowagie.text.pdf.SpotColor;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
PdfSpotColor psc_cmyk = new PdfSpotColor("iTextSpotColorCMYK", 0.25f, new CMYKColor(0.3f, .9f,
.3f, .1f));
SpotColor sc_cmyk = new SpotColor(psc_cmyk);
Image img = Image.getInstance("dog.jpg");
PdfPatternPainter img_pattern = cb.createPattern(img.scaledWidth(), img.scaledHeight(), img
.scaledWidth(), img.scaledHeight());
img_pattern.addImage(img, img.scaledWidth(), 0f, 0f, img.scaledHeight(), 0f, 0f);
img_pattern.setPatternMatrix(1f, 0f, 0f, 1f, 60f, 60f);
PatternColor img_color = new PatternColor(img_pattern);
document.add(new Paragraph("This is a paragraph painted using an image pattern", new Font(
Font.HELVETICA, 24, Font.BOLD, img_color)));
document.close();
}
}</source>



== Red and Yellow ==



<source lang="java">
import java.awt.Color;
import java.awt.Toolkit;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Rectangle r = new Rectangle(PageSize.A4);
r.setBackgroundColor(new Color(0xC0, 0xC0, 0xC0));
Document document = new Document(r);
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
java.awt.Image awtImage = Toolkit.getDefaultToolkit().createImage("dog.gif");
com.lowagie.text.Image img1 = com.lowagie.text.Image.getInstance(awtImage, new Color(0xFF,
0xFF, 0x00));
document.add(img1);

document.close();
}
}</source>



== Rotate 30 degrees ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image jpg1 = Image.getInstance("dog.jpg");
jpg1.scalePercent(80);
jpg1.setRotation((float) Math.PI / 6);
document.add(new Paragraph("rotate 30 degrees"));
document.add(jpg1);
document.close();
}
}</source>



== Rotate 45 degrees ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image jpg1 = Image.getInstance("dog.jpg");
jpg1.scalePercent(80);
jpg1.setRotationDegrees(45);
document.add(jpg1);

document.close();
}
}</source>



== Scale Absolute ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image jpg = Image.getInstance("dog.jpg");
jpg.scaleAbsolute(154, 94);
document.add(new Paragraph("scaleAbsolute(154, 94)"));
document.add(jpg);
document.close();
}
}</source>



== Scale Percent ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image jpg = Image.getInstance("dog.jpg");
jpg.scalePercent(50);
document.add(new Paragraph("scalePercent(50)"));
document.add(jpg);
document.close();
}
}</source>



== Scale Percent:/td> ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Image jpg = Image.getInstance("dog.jpg");
jpg.scalePercent(100, 50);
document.add(new Paragraph("scalePercent(100, 50)"));
document.add(jpg);
document.close();
}
}</source>

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Java Tutorial/PDF/Image - История изменений

Admin: 1 версия

в 17:44, 31 мая 2010