Examples with PDPageContentStream com.tom_roush.pdfbox.pdmodel.PDPageContentStream used on opensource projects

Example 21 with PDPageContentStream

use of com.tom_roush.pdfbox.pdmodel.PDPageContentStream in project PdfBox-Android by TomRoush.

the class LosslessFactoryTest method testCreateLosslessFromImageRGB.

/**
 * Tests RGB LosslessFactoryTest#createFromImage(PDDocument document,
 * BufferedImage image)
 *
 * @throws java.io.IOException
 */
@Test
public void testCreateLosslessFromImageRGB() throws IOException {
    PDDocument document = new PDDocument();
    Bitmap image = BitmapFactory.decodeStream(testContext.getAssets().open("pdfbox/com/tom_roush/pdfbox/pdmodel/graphics/image/png.png"));
    PDImageXObject ximage1 = LosslessFactory.createFromImage(document, image);
    validate(ximage1, 8, image.getWidth(), image.getHeight(), "png", PDDeviceRGB.INSTANCE.getName());
    checkIdent(image, ximage1.getImage());
    // Create a grayscale image
    Bitmap grayImage = Bitmap.createBitmap(image.getWidth(), image.getHeight(), Bitmap.Config.ALPHA_8);
    Canvas canvas = new Canvas();
    canvas.setBitmap(grayImage);
    Paint paint = new Paint();
    paint.setColor(Color.TRANSPARENT);
    canvas.drawBitmap(image, 0, 0, paint);
    PDImageXObject ximage2 = LosslessFactory.createFromImage(document, grayImage);
    validate(ximage2, 8, grayImage.getWidth(), grayImage.getHeight(), "png", PDDeviceGray.INSTANCE.getName());
    checkIdent(grayImage, ximage2.getImage());
    // Create a bitonal image
    // BufferedImage bitonalImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_BINARY); TODO: PdfBox-Android
    // avoid multiple of 8 to test padding
    // assertFalse(bitonalImage.getWidth() % 8 == 0);
    // g = bitonalImage.getGraphics();
    // g.drawImage(image, 0, 0, null);
    // g.dispose();
    // PDImageXObject ximage3 = LosslessFactory.createFromImage(document, bitonalImage);
    // validate(ximage3, 1, bitonalImage.getWidth(), bitonalImage.getHeight(), "png", PDDeviceGray.INSTANCE.getName());
    // checkIdent(bitonalImage, ximage3.getImage());
    // This part isn't really needed because this test doesn't break
    // if the mask has the wrong colorspace (PDFBOX-2057), but it is still useful
    // if something goes wrong in the future and we want to have a PDF to open.
    PDPage page = new PDPage();
    document.addPage(page);
    PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, false);
    contentStream.drawImage(ximage1, 200, 300, ximage1.getWidth() / 2, ximage1.getHeight() / 2);
    contentStream.drawImage(ximage2, 200, 450, ximage2.getWidth() / 2, ximage2.getHeight() / 2);
    // contentStream.drawImage(ximage3, 200, 600, ximage3.getWidth() / 2, ximage3.getHeight() / 2);
    contentStream.close();
    File pdfFile = new File(testResultsDir, "misc.pdf");
    document.save(pdfFile);
    document.close();
    document = PDDocument.load(pdfFile, (String) null);
    new PDFRenderer(document).renderImage(0);
    document.close();
}

Example 22 with PDPageContentStream

use of com.tom_roush.pdfbox.pdmodel.PDPageContentStream in project PdfBox-Android by TomRoush.

the class MainActivity method createPdf.

/**
 * Creates a new PDF from scratch and saves it to a file
 */
public void createPdf(View v) {
    PDDocument document = new PDDocument();
    PDPage page = new PDPage();
    document.addPage(page);
    // Create a new font object selecting one of the PDF base fonts
    PDFont font = PDType1Font.HELVETICA;
    // Or a custom font
    // try
    // {
    // // Replace MyFontFile with the path to the asset font you'd like to use.
    // // Or use LiberationSans "com/tom_roush/pdfbox/resources/ttf/LiberationSans-Regular.ttf"
    // font = PDType0Font.load(document, assetManager.open("MyFontFile.TTF"));
    // }
    // catch (IOException e)
    // {
    // Log.e("PdfBox-Android-Sample", "Could not load font", e);
    // }
    PDPageContentStream contentStream;
    try {
        // Define a content stream for adding to the PDF
        contentStream = new PDPageContentStream(document, page);
        // Write Hello World in blue text
        contentStream.beginText();
        contentStream.setNonStrokingColor(15, 38, 192);
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(100, 700);
        contentStream.showText("Hello World");
        contentStream.endText();
        // Load in the images
        InputStream in = assetManager.open("falcon.jpg");
        InputStream alpha = assetManager.open("trans.png");
        // Draw a green rectangle
        contentStream.addRect(5, 500, 100, 100);
        contentStream.setNonStrokingColor(0, 255, 125);
        contentStream.fill();
        // Draw the falcon base image
        PDImageXObject ximage = JPEGFactory.createFromStream(document, in);
        contentStream.drawImage(ximage, 20, 20);
        // Draw the red overlay image
        Bitmap alphaImage = BitmapFactory.decodeStream(alpha);
        PDImageXObject alphaXimage = LosslessFactory.createFromImage(document, alphaImage);
        contentStream.drawImage(alphaXimage, 20, 20);
        // Make sure that the content stream is closed:
        contentStream.close();
        // Save the final pdf document to a file
        String path = root.getAbsolutePath() + "/Created.pdf";
        document.save(path);
        document.close();
        tv.setText("Successfully wrote PDF to " + path);
    } catch (IOException e) {
        Log.e("PdfBox-Android-Sample", "Exception thrown while creating PDF", e);
    }
}

Example 23 with PDPageContentStream

use of com.tom_roush.pdfbox.pdmodel.PDPageContentStream in project PdfBox-Android by TomRoush.

the class MainActivity method createEncryptedPdf.

/**
 * Creates a simple pdf and encrypts it
 */
public void createEncryptedPdf(View v) {
    String path = root.getAbsolutePath() + "/crypt.pdf";
    // 128 bit is the highest currently supported
    int keyLength = 128;
    // Limit permissions of those without the password
    AccessPermission ap = new AccessPermission();
    ap.setCanPrint(false);
    // Sets the owner password and user password
    StandardProtectionPolicy spp = new StandardProtectionPolicy("12345", "hi", ap);
    // Setups up the encryption parameters
    spp.setEncryptionKeyLength(keyLength);
    spp.setPermissions(ap);
    BouncyCastleProvider provider = new BouncyCastleProvider();
    Security.addProvider(provider);
    PDFont font = PDType1Font.HELVETICA;
    PDDocument document = new PDDocument();
    PDPage page = new PDPage();
    document.addPage(page);
    try {
        PDPageContentStream contentStream = new PDPageContentStream(document, page);
        // Write Hello World in blue text
        contentStream.beginText();
        contentStream.setNonStrokingColor(15, 38, 192);
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(100, 700);
        contentStream.showText("Hello World");
        contentStream.endText();
        contentStream.close();
        // Save the final pdf document to a file
        // Apply the protections to the PDF
        document.protect(spp);
        document.save(path);
        document.close();
        tv.setText("Successfully wrote PDF to " + path);
    } catch (IOException e) {
        Log.e("PdfBox-Android-Sample", "Exception thrown while creating PDF for encryption", e);
    }
}

Example 24 with PDPageContentStream

use of com.tom_roush.pdfbox.pdmodel.PDPageContentStream in project PdfBox-Android by TomRoush.

the class TestOptionalContentGroups method testOCGsWithSameNameCanHaveDifferentVisibility.

public void testOCGsWithSameNameCanHaveDifferentVisibility() throws Exception {
    PDDocument doc = new PDDocument();
    try {
        // Create new page
        PDPage page = new PDPage();
        doc.addPage(page);
        PDResources resources = page.getResources();
        if (resources == null) {
            resources = new PDResources();
            page.setResources(resources);
        }
        // Prepare OCG functionality
        PDOptionalContentProperties ocprops = new PDOptionalContentProperties();
        doc.getDocumentCatalog().setOCProperties(ocprops);
        // ocprops.setBaseState(BaseState.ON); //ON=default
        // Create visible OCG
        PDOptionalContentGroup visible = new PDOptionalContentGroup("layer");
        ocprops.addGroup(visible);
        assertTrue(ocprops.isGroupEnabled(visible));
        // Create invisible OCG
        PDOptionalContentGroup invisible = new PDOptionalContentGroup("layer");
        ocprops.addGroup(invisible);
        assertFalse(ocprops.setGroupEnabled(invisible, false));
        assertFalse(ocprops.isGroupEnabled(invisible));
        // Check that visible layer is still visible
        assertTrue(ocprops.isGroupEnabled(visible));
        // Setup page content stream and paint background/title
        PDPageContentStream contentStream = new PDPageContentStream(doc, page, AppendMode.OVERWRITE, false);
        PDFont font = PDType1Font.HELVETICA_BOLD;
        contentStream.beginMarkedContent(COSName.OC, visible);
        contentStream.beginText();
        contentStream.setFont(font, 14);
        contentStream.newLineAtOffset(80, 700);
        contentStream.showText("PDF 1.5: Optional Content Groups");
        contentStream.endText();
        font = PDType1Font.HELVETICA;
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 680);
        contentStream.showText("You should see this text, but no red text line.");
        contentStream.endText();
        contentStream.endMarkedContent();
        // Paint disabled layer
        contentStream.beginMarkedContent(COSName.OC, invisible);
        contentStream.setNonStrokingColor(AWTColor.RED);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 500);
        contentStream.showText("This is from a disabled layer. If you see this, that's NOT good!");
        contentStream.endText();
        contentStream.endMarkedContent();
        contentStream.close();
        File targetFile = new File(testResultsDir, "ocg-generation-same-name.pdf");
        doc.save(targetFile.getAbsolutePath());
    } finally {
        doc.close();
    }
}

Example 25 with PDPageContentStream

use of com.tom_roush.pdfbox.pdmodel.PDPageContentStream in project PdfBox-Android by TomRoush.

the class TestOptionalContentGroups method testOCGGeneration.

/**
 * Tests OCG generation.
 * @throws Exception if an error occurs
 */
public void testOCGGeneration() throws Exception {
    PDDocument doc = new PDDocument();
    try {
        // Create new page
        PDPage page = new PDPage();
        doc.addPage(page);
        PDResources resources = page.getResources();
        if (resources == null) {
            resources = new PDResources();
            page.setResources(resources);
        }
        // Prepare OCG functionality
        PDOptionalContentProperties ocprops = new PDOptionalContentProperties();
        doc.getDocumentCatalog().setOCProperties(ocprops);
        // ocprops.setBaseState(BaseState.ON); //ON=default
        // Create OCG for background
        PDOptionalContentGroup background = new PDOptionalContentGroup("background");
        ocprops.addGroup(background);
        assertTrue(ocprops.isGroupEnabled("background"));
        // Create OCG for enabled
        PDOptionalContentGroup enabled = new PDOptionalContentGroup("enabled");
        ocprops.addGroup(enabled);
        assertFalse(ocprops.setGroupEnabled("enabled", true));
        assertTrue(ocprops.isGroupEnabled("enabled"));
        // Create OCG for disabled
        PDOptionalContentGroup disabled = new PDOptionalContentGroup("disabled");
        ocprops.addGroup(disabled);
        assertFalse(ocprops.setGroupEnabled("disabled", true));
        assertTrue(ocprops.isGroupEnabled("disabled"));
        assertTrue(ocprops.setGroupEnabled("disabled", false));
        assertFalse(ocprops.isGroupEnabled("disabled"));
        // Setup page content stream and paint background/title
        PDPageContentStream contentStream = new PDPageContentStream(doc, page, AppendMode.OVERWRITE, false);
        PDFont font = PDType1Font.HELVETICA_BOLD;
        contentStream.beginMarkedContent(COSName.OC, background);
        contentStream.beginText();
        contentStream.setFont(font, 14);
        contentStream.newLineAtOffset(80, 700);
        contentStream.showText("PDF 1.5: Optional Content Groups");
        contentStream.endText();
        font = PDType1Font.HELVETICA;
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 680);
        contentStream.showText("You should see a green textline, but no red text line.");
        contentStream.endText();
        contentStream.endMarkedContent();
        // Paint enabled layer
        contentStream.beginMarkedContent(COSName.OC, enabled);
        contentStream.setNonStrokingColor(AWTColor.GREEN);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 600);
        contentStream.showText("This is from an enabled layer. If you see this, that's good.");
        contentStream.endText();
        contentStream.endMarkedContent();
        // Paint disabled layer
        contentStream.beginMarkedContent(COSName.OC, disabled);
        contentStream.setNonStrokingColor(AWTColor.RED);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 500);
        contentStream.showText("This is from a disabled layer. If you see this, that's NOT good!");
        contentStream.endText();
        contentStream.endMarkedContent();
        contentStream.close();
        File targetFile = new File(testResultsDir, "ocg-generation.pdf");
        doc.save(targetFile.getAbsolutePath());
    } finally {
        doc.close();
    }
}