Java Code Examples for com.lowagie.text.Document#compress()
The following examples show how to use
com.lowagie.text.Document#compress() .
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Example 1
| Source File: PRStream.java From gcs with Mozilla Public License 2.0 | 6 votes |
|
/**
* Creates a new PDF stream object that will replace a stream in a existing PDF file.
*
* @param reader the reader that holds the existing PDF
* @param conts the new content
* @param compressionLevel the compression level for the content
* @since 2.1.3 (replacing the existing constructor without param compressionLevel)
*/
public PRStream(PdfReader reader, byte[] conts, int compressionLevel) {
this.reader = reader;
offset = -1;
if (Document.compress) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Deflater deflater = new Deflater(compressionLevel);
DeflaterOutputStream zip = new DeflaterOutputStream(stream, deflater);
zip.write(conts);
zip.close();
deflater.end();
bytes = stream.toByteArray();
} catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
put(PdfName.FILTER, PdfName.FLATEDECODE);
} else {
bytes = conts;
}
setLength(bytes.length);
}
Example 2
| Source File: PRStream.java From gcs with Mozilla Public License 2.0 | 6 votes |
|
/**
* Sets the data associated with the stream, either compressed or uncompressed. Note that the
* data will never be compressed if Document.compress is set to false.
*
* @param data raw data, decrypted and uncompressed.
* @param compress true if you want the stream to be compressed.
* @param compressionLevel a value between -1 and 9 (ignored if compress == false)
* @since iText 2.1.3
*/
public void setData(byte[] data, boolean compress, int compressionLevel) {
remove(PdfName.FILTER);
offset = -1;
if (Document.compress && compress) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Deflater deflater = new Deflater(compressionLevel);
DeflaterOutputStream zip = new DeflaterOutputStream(stream, deflater);
zip.write(data);
zip.close();
deflater.end();
bytes = stream.toByteArray();
this.compressionLevel = compressionLevel;
} catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
put(PdfName.FILTER, PdfName.FLATEDECODE);
} else {
bytes = data;
}
setLength(bytes.length);
}
Example 3
| Source File: PRStream.java From itext2 with GNU Lesser General Public License v3.0 | 6 votes |
|
/**
* Creates a new PDF stream object that will replace a stream
* in a existing PDF file.
* @param reader the reader that holds the existing PDF
* @param conts the new content
* @param compressionLevel the compression level for the content
* @since 2.1.3 (replacing the existing constructor without param compressionLevel)
*/
public PRStream(PdfReader reader, byte[] conts, int compressionLevel) {
this.reader = reader;
this.offset = -1;
if (Document.compress) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Deflater deflater = new Deflater(compressionLevel);
DeflaterOutputStream zip = new DeflaterOutputStream(stream, deflater);
zip.write(conts);
zip.close();
deflater.end();
bytes = stream.toByteArray();
}
catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else
bytes = conts;
setLength(bytes.length);
}
Example 4
| Source File: PRStream.java From itext2 with GNU Lesser General Public License v3.0 | 6 votes |
|
/**
* Sets the data associated with the stream, either compressed or
* uncompressed. Note that the data will never be compressed if
* Document.compress is set to false.
*
* @param data raw data, decrypted and uncompressed.
* @param compress true if you want the stream to be compressed.
* @param compressionLevel a value between -1 and 9 (ignored if compress == false)
* @since iText 2.1.3
*/
public void setData(byte[] data, boolean compress, int compressionLevel) {
remove(PdfName.FILTER);
this.offset = -1;
if (Document.compress && compress) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Deflater deflater = new Deflater(compressionLevel);
DeflaterOutputStream zip = new DeflaterOutputStream(stream, deflater);
zip.write(data);
zip.close();
deflater.end();
bytes = stream.toByteArray();
this.compressionLevel = compressionLevel;
}
catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else
bytes = data;
setLength(bytes.length);
}
Example 5
| Source File: PRStream.java From MesquiteCore with GNU Lesser General Public License v3.0 | 6 votes |
|
public PRStream(PdfReader reader, byte conts[]) {
this.reader = reader;
this.offset = -1;
if (Document.compress) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
DeflaterOutputStream zip = new DeflaterOutputStream(stream);
zip.write(conts);
zip.close();
bytes = stream.toByteArray();
}
catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else
bytes = conts;
setLength(bytes.length);
}
Example 6
| Source File: PRStream.java From MesquiteCore with GNU Lesser General Public License v3.0 | 6 votes |
|
/**Sets the data associated with the stream
* @param data raw data, decrypted and uncompressed.
*/
public void setData(byte[] data) {
remove(PdfName.FILTER);
this.offset = -1;
if (Document.compress) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
DeflaterOutputStream zip = new DeflaterOutputStream(stream);
zip.write(data);
zip.close();
bytes = stream.toByteArray();
}
catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else
bytes = data;
setLength(bytes.length);
}
Example 7
| Source File: TransformImageTest.java From itext2 with GNU Lesser General Public License v3.0 | 5 votes |
|
/**
* Add an image using different transformation matrices.
*/
@Test
public void main() throws Exception {
Document.compress = false;
// step 1: creation of a document-object
Document document = new Document(PageSize.A4);
try {
// step 2: creation of the writer
PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream( "transformimage.pdf"));
// step 3: we open the document
document.open();
// step 4:
PdfContentByte cb = writer.getDirectContent();
Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR + "hitchcock.png");
cb.addImage(img, 271, -50, -30, 550, 100, 100);
cb.sanityCheck();
}
catch(DocumentException de) {
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
// step 5: we close the document
document.close();
}
Example 8
| Source File: FormPushButtonTest.java From itext2 with GNU Lesser General Public License v3.0 | 5 votes |
|
/**
* Generates an Acroform with a PushButton
*/
@Test
public void main() throws Exception {
Document.compress = false;
// step 1: creation of a document-object
Document document = new Document(PageSize.A4);
// step 2:
PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream("pushbutton.pdf"));
// step 3: we open the document
document.open();
// step 4:
PdfFormField pushbutton = PdfFormField.createPushButton(writer);
PdfContentByte cb = writer.getDirectContent();
cb.moveTo(0, 0);
PdfAppearance normal = cb.createAppearance(100, 50);
normal.setColorFill(Color.GRAY);
normal.rectangle(5, 5, 90, 40);
normal.fill();
PdfAppearance rollover = cb.createAppearance(100, 50);
rollover.setColorFill(Color.RED);
rollover.rectangle(5, 5, 90, 40);
rollover.fill();
PdfAppearance down = cb.createAppearance(100, 50);
down.setColorFill(Color.BLUE);
down.rectangle(5, 5, 90, 40);
down.fill();
pushbutton.setFieldName("PushMe");
pushbutton.setAppearance(PdfAnnotation.APPEARANCE_NORMAL, normal);
pushbutton.setAppearance(PdfAnnotation.APPEARANCE_ROLLOVER, rollover);
pushbutton.setAppearance(PdfAnnotation.APPEARANCE_DOWN, down);
pushbutton.setWidget(new Rectangle(100, 700, 200, 750), PdfAnnotation.HIGHLIGHT_PUSH);
writer.addAnnotation(pushbutton);
// step 5: we close the document
document.close();
}
Example 9
| Source File: PdfStream.java From gcs with Mozilla Public License 2.0 | 4 votes |
|
/**
* Compresses the stream.
*
* @param compressionLevel the compression level (0 = best speed, 9 = best compression, -1 is
* default)
* @since 2.1.3
*/
public void flateCompress(int compressionLevel) {
if (!Document.compress) {
return;
}
// check if the flateCompress-method has already been
if (compressed) {
return;
}
this.compressionLevel = compressionLevel;
if (inputStream != null) {
compressed = true;
return;
}
// check if a filter already exists
PdfObject filter = PdfReader.getPdfObject(get(PdfName.FILTER));
if (filter != null) {
if (filter.isName()) {
if (PdfName.FLATEDECODE.equals(filter)) {
return;
}
} else if (filter.isArray()) {
if (((PdfArray) filter).contains(PdfName.FLATEDECODE)) {
return;
}
} else {
throw new RuntimeException("Stream could not be compressed: filter is not a name or array.");
}
}
try {
// compress
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Deflater deflater = new Deflater(compressionLevel);
DeflaterOutputStream zip = new DeflaterOutputStream(stream, deflater);
if (streamBytes != null) {
streamBytes.writeTo(zip);
} else {
zip.write(bytes);
}
zip.close();
deflater.end();
// update the object
streamBytes = stream;
bytes = null;
put(PdfName.LENGTH, new PdfNumber(streamBytes.size()));
if (filter == null) {
put(PdfName.FILTER, PdfName.FLATEDECODE);
} else {
PdfArray filters = new PdfArray(filter);
filters.add(PdfName.FLATEDECODE);
put(PdfName.FILTER, filters);
}
compressed = true;
} catch (IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
Example 10
| Source File: PdfStream.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Compresses the stream.
* @param compressionLevel the compression level (0 = best speed, 9 = best compression, -1 is default)
* @since 2.1.3
*/
public void flateCompress(int compressionLevel) {
if (!Document.compress)
return;
// check if the flateCompress-method has already been
if (compressed) {
return;
}
this.compressionLevel = compressionLevel;
if (inputStream != null) {
compressed = true;
return;
}
// check if a filter already exists
PdfObject filter = PdfReader.getPdfObject(get(PdfName.FILTER));
if (filter != null) {
if (filter.isName()) {
if (PdfName.FLATEDECODE.equals(filter))
return;
}
else if (filter.isArray()) {
if (((PdfArray) filter).contains(PdfName.FLATEDECODE))
return;
}
else {
throw new RuntimeException("Stream could not be compressed: filter is not a name or array.");
}
}
try {
// compress
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Deflater deflater = new Deflater(compressionLevel);
DeflaterOutputStream zip = new DeflaterOutputStream(stream, deflater);
if (streamBytes != null)
streamBytes.writeTo(zip);
else
zip.write(bytes);
zip.close();
deflater.end();
// update the object
streamBytes = stream;
bytes = null;
put(PdfName.LENGTH, new PdfNumber(streamBytes.size()));
if (filter == null) {
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else {
PdfArray filters = new PdfArray(filter);
filters.add(PdfName.FLATEDECODE);
put(PdfName.FILTER, filters);
}
compressed = true;
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
Example 11
| Source File: LiteralTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
@Test
public void main() throws Exception {
Document.compress = false;
// step 1: creation of a document-object
Document document = new Document();
try {
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a file
PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream( "literal.pdf"));
// step 3: we open the document
document.open();
// step 4: we grab the ContentByte and do some stuff with it
PdfContentByte cb = writer.getDirectContent();
String star = "0.3 g\n15.000 27.000 m\n"
+ "7.947 5.292 l\n26.413 18.708 l\n"
+ "3.587 18.708 l\n22.053 5.292 l\nf\n"
+ "45.000 57.000 m\n37.947 35.292 l\n"
+ "56.413 48.708 l\n33.587 48.708 l\n"
+ "52.053 35.292 l\nf\n"
+ "0.7 g\n15.000 57.000 m\n"
+ "7.947 35.292 l\n26.413 48.708 l\n"
+ "3.587 48.708 l\n22.053 35.292 l\nf\n"
+ "45.000 27.000 m\n37.947 5.292 l\n"
+ "56.413 18.708 l\n33.587 18.708 l\n"
+ "52.053 5.292 l\nf";
cb.setLiteral(star);
// sanityCheck doesn't check literals.
//cb.sanityCheck();
}
catch(DocumentException de) {
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
// step 5: we close the document
document.close();
}
Example 12
| Source File: PdfStream.java From MesquiteCore with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Compresses the stream.
*/
public void flateCompress() {
if (!Document.compress)
return;
// check if the flateCompress-method has already been
if (compressed) {
return;
}
if (inputStream != null) {
compressed = true;
return;
}
// check if a filter already exists
PdfObject filter = get(PdfName.FILTER);
if (filter != null) {
if (filter.isName() && ((PdfName) filter).compareTo(PdfName.FLATEDECODE) == 0) {
return;
}
else if (filter.isArray() && ((PdfArray) filter).contains(PdfName.FLATEDECODE)) {
return;
}
else {
throw new RuntimeException("Stream could not be compressed: filter is not a name or array.");
}
}
try {
// compress
ByteArrayOutputStream stream = new ByteArrayOutputStream();
DeflaterOutputStream zip = new DeflaterOutputStream(stream);
if (streamBytes != null)
streamBytes.writeTo(zip);
else
zip.write(bytes);
zip.close();
// update the object
streamBytes = stream;
bytes = null;
put(PdfName.LENGTH, new PdfNumber(streamBytes.size()));
if (filter == null) {
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else {
PdfArray filters = new PdfArray(filter);
filters.add(PdfName.FLATEDECODE);
put(PdfName.FILTER, filters);
}
compressed = true;
}
catch(IOException ioe) {
throw new ExceptionConverter(ioe);
}
}
Example 13
| Source File: PdfContents.java From MesquiteCore with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Constructs a <CODE>PdfContents</CODE>-object, containing text and general graphics.
*
* @param under the direct content that is under all others
* @param content the graphics in a page
* @param text the text in a page
* @param secondContent the direct content that is over all others
* @throws BadPdfFormatException on error
*/
PdfContents(PdfContentByte under, PdfContentByte content, PdfContentByte text, PdfContentByte secondContent, Rectangle page) throws BadPdfFormatException {
super();
try {
OutputStream out = null;
streamBytes = new ByteArrayOutputStream();
if (Document.compress)
{
compressed = true;
out = new DeflaterOutputStream(streamBytes);
}
else
out = streamBytes;
int rotation = page.getRotation();
switch (rotation) {
case 90:
out.write(ROTATE90);
out.write(DocWriter.getISOBytes(ByteBuffer.formatDouble(page.top())));
out.write(' ');
out.write('0');
out.write(ROTATEFINAL);
break;
case 180:
out.write(ROTATE180);
out.write(DocWriter.getISOBytes(ByteBuffer.formatDouble(page.right())));
out.write(' ');
out.write(DocWriter.getISOBytes(ByteBuffer.formatDouble(page.top())));
out.write(ROTATEFINAL);
break;
case 270:
out.write(ROTATE270);
out.write('0');
out.write(' ');
out.write(DocWriter.getISOBytes(ByteBuffer.formatDouble(page.right())));
out.write(ROTATEFINAL);
break;
}
if (under.size() > 0) {
out.write(SAVESTATE);
under.getInternalBuffer().writeTo(out);
out.write(RESTORESTATE);
}
if (content.size() > 0) {
out.write(SAVESTATE);
content.getInternalBuffer().writeTo(out);
out.write(RESTORESTATE);
}
if (text != null) {
out.write(SAVESTATE);
text.getInternalBuffer().writeTo(out);
out.write(RESTORESTATE);
}
if (secondContent.size() > 0) {
secondContent.getInternalBuffer().writeTo(out);
}
out.close();
}
catch (Exception e) {
throw new BadPdfFormatException(e.getMessage());
}
put(PdfName.LENGTH, new PdfNumber(streamBytes.size()));
if (compressed)
put(PdfName.FILTER, PdfName.FLATEDECODE);
}
