Examples with PDFont com.tom_roush.pdfbox.pdmodel.font.PDFont used on opensource projects

Example 1 with PDFont

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

the class PDDocument method save.

/**
 * This will save the document to an output stream.
 *
 * @param output The stream to write to. It will be closed when done. It is recommended to wrap
 * it in a {@link java.io.BufferedOutputStream}, unless it is already buffered.
 *
 * @throws IOException if the output could not be written
 */
public void save(OutputStream output) throws IOException {
    if (document.isClosed()) {
        throw new IOException("Cannot save a document which has been closed");
    }
    // subset designated fonts
    for (PDFont font : fontsToSubset) {
        font.subset();
    }
    fontsToSubset.clear();
    // save PDF
    COSWriter writer = new COSWriter(output);
    try {
        writer.write(this);
    } finally {
        writer.close();
    }
}

Example 2 with PDFont

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

the class PDAcroFormTest method testAcroFormDefaultFonts.

/**
 * PDFBOX-3732, PDFBOX-4303, PDFBOX-4393: Test whether /Helv and /ZaDb get added, but only if
 * they don't exist.
 */
@Test
public void testAcroFormDefaultFonts() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PDDocument doc = new PDDocument();
    PDPage page = new PDPage(PDRectangle.A4);
    doc.addPage(page);
    PDAcroForm acroForm2 = new PDAcroForm(doc);
    doc.getDocumentCatalog().setAcroForm(acroForm2);
    PDResources defaultResources = acroForm2.getDefaultResources();
    assertNull(defaultResources);
    defaultResources = new PDResources();
    acroForm2.setDefaultResources(defaultResources);
    assertNull(defaultResources.getFont(COSName.HELV));
    assertNull(defaultResources.getFont(COSName.ZA_DB));
    // getting AcroForm sets the two fonts
    acroForm2 = doc.getDocumentCatalog().getAcroForm();
    defaultResources = acroForm2.getDefaultResources();
    assertNotNull(defaultResources.getFont(COSName.HELV));
    assertNotNull(defaultResources.getFont(COSName.ZA_DB));
    // repeat with a new AcroForm (to delete AcroForm cache) and thus missing /DR
    doc.getDocumentCatalog().setAcroForm(new PDAcroForm(doc));
    acroForm2 = doc.getDocumentCatalog().getAcroForm();
    defaultResources = acroForm2.getDefaultResources();
    PDFont helv = defaultResources.getFont(COSName.HELV);
    PDFont zadb = defaultResources.getFont(COSName.ZA_DB);
    assertNotNull(helv);
    assertNotNull(zadb);
    doc.save(baos);
    doc.close();
    doc = PDDocument.load(baos.toByteArray());
    acroForm2 = doc.getDocumentCatalog().getAcroForm();
    defaultResources = acroForm2.getDefaultResources();
    helv = defaultResources.getFont(COSName.HELV);
    zadb = defaultResources.getFont(COSName.ZA_DB);
    assertNotNull(helv);
    assertNotNull(zadb);
    // make sure that font wasn't overwritten
    assertNotEquals(PDType1Font.HELVETICA, helv);
    assertNotEquals(PDType1Font.ZAPF_DINGBATS, zadb);
    doc.close();
}

Example 3 with PDFont

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

the class TestOptionalContentGroupsInstrumentationTest method testOCGGenerationSameNameCanHaveSameVisibilityOff.

/**
 * PDFBOX-4496: setGroupEnabled(String, boolean) must catch all OCGs of a name even when several
 * names are identical.
 *
 * @throws IOException
 */
@Test
public void testOCGGenerationSameNameCanHaveSameVisibilityOff() throws IOException {
    Bitmap expectedImage;
    Bitmap actualImage;
    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("science");
        ocprops.addGroup(enabled);
        assertFalse(ocprops.setGroupEnabled("science", true));
        assertTrue(ocprops.isGroupEnabled("science"));
        // Create OCG for disabled1
        PDOptionalContentGroup disabled1 = new PDOptionalContentGroup("alternative");
        ocprops.addGroup(disabled1);
        // Create OCG for disabled2 with same name as disabled1
        PDOptionalContentGroup disabled2 = new PDOptionalContentGroup("alternative");
        ocprops.addGroup(disabled2);
        assertFalse(ocprops.setGroupEnabled("alternative", false));
        assertFalse(ocprops.isGroupEnabled("alternative"));
        // 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();
        contentStream.endMarkedContent();
        font = PDType1Font.HELVETICA;
        // Paint enabled layer
        contentStream.beginMarkedContent(COSName.OC, enabled);
        contentStream.setNonStrokingColor(AWTColor.GREEN);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 600);
        contentStream.showText("The earth is a sphere");
        contentStream.endText();
        contentStream.endMarkedContent();
        // Paint disabled layer1
        contentStream.beginMarkedContent(COSName.OC, disabled1);
        contentStream.setNonStrokingColor(AWTColor.RED);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 500);
        contentStream.showText("Alternative 1: The earth is a flat circle");
        contentStream.endText();
        contentStream.endMarkedContent();
        // Paint disabled layer2
        contentStream.beginMarkedContent(COSName.OC, disabled2);
        contentStream.setNonStrokingColor(AWTColor.BLUE);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 450);
        contentStream.showText("Alternative 2: The earth is a flat parallelogram");
        contentStream.endText();
        contentStream.endMarkedContent();
        contentStream.close();
        doc.getDocumentCatalog().setPageMode(PageMode.USE_OPTIONAL_CONTENT);
        File targetFile = new File(testResultsDir, "ocg-generation-same-name-off.pdf");
        doc.save(targetFile.getAbsolutePath());
        doc.close();
        // render PDF with science disabled and alternatives with same name enabled
        doc = PDDocument.load(new File(testResultsDir, "ocg-generation-same-name-off.pdf"));
        doc.getDocumentCatalog().getOCProperties().setGroupEnabled("background", false);
        doc.getDocumentCatalog().getOCProperties().setGroupEnabled("science", false);
        doc.getDocumentCatalog().getOCProperties().setGroupEnabled("alternative", true);
        actualImage = new PDFRenderer(doc).renderImage(0, 2);
        actualImage.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(testResultsDir, "ocg-generation-same-name-off-actual.png")));
    } finally {
        doc.close();
    }
    // create PDF without OCGs to created expected rendering
    PDDocument doc2 = new PDDocument();
    try {
        // Create new page
        PDPage page = new PDPage();
        doc2.addPage(page);
        PDResources resources = page.getResources();
        if (resources == null) {
            resources = new PDResources();
            page.setResources(resources);
        }
        PDPageContentStream contentStream = new PDPageContentStream(doc2, page, AppendMode.OVERWRITE, false);
        PDFont font = PDType1Font.HELVETICA;
        contentStream.setNonStrokingColor(AWTColor.RED);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 500);
        contentStream.showText("Alternative 1: The earth is a flat circle");
        contentStream.endText();
        contentStream.setNonStrokingColor(AWTColor.BLUE);
        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(80, 450);
        contentStream.showText("Alternative 2: The earth is a flat parallelogram");
        contentStream.endText();
        contentStream.close();
        expectedImage = new PDFRenderer(doc2).renderImage(0, 2);
        actualImage.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(testResultsDir, "ocg-generation-same-name-off-expected.png")));
    } finally {
        doc2.close();
    }
    // compare images
    int height = expectedImage.getHeight();
    int width = expectedImage.getWidth();
    int[] expectedImagePixels = new int[width * height];
    expectedImage.getPixels(expectedImagePixels, 0, width, 0, 0, width, height);
    int[] actualImagePixels = new int[width * height];
    actualImage.getPixels(actualImagePixels, 0, width, 0, 0, width, height);
    Assert.assertArrayEquals(expectedImagePixels, actualImagePixels);
}

Example 4 with PDFont

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

the class PDFStreamEngine method showText.

/**
 * Process text from the PDF Stream. You should override this method if you want to
 * perform an action when encoded text is being processed.
 *
 * @param string the encoded text
 * @throws IOException if there is an error processing the string
 */
protected void showText(byte[] string) throws IOException {
    PDGraphicsState state = getGraphicsState();
    PDTextState textState = state.getTextState();
    // get the current font
    PDFont font = textState.getFont();
    if (font == null) {
        Log.w("PdfBox-Android", "No current font, will use default");
        font = PDType1Font.HELVETICA;
    }
    float fontSize = textState.getFontSize();
    float horizontalScaling = textState.getHorizontalScaling() / 100f;
    float charSpacing = textState.getCharacterSpacing();
    // put the text state parameters into matrix form
    Matrix parameters = new Matrix(// 0
    fontSize * horizontalScaling, // 0
    0, // 0
    0, // 0
    fontSize, 0, // 1
    textState.getRise());
    // read the stream until it is empty
    InputStream in = new ByteArrayInputStream(string);
    while (in.available() > 0) {
        // decode a character
        int before = in.available();
        int code = font.readCode(in);
        int codeLength = before - in.available();
        String unicode = font.toUnicode(code);
        // Word spacing shall be applied to every occurrence of the single-byte character code
        // 32 in a string when using a simple font or a composite font that defines code 32 as
        // a single-byte code.
        float wordSpacing = 0;
        if (codeLength == 1 && code == 32) {
            wordSpacing += textState.getWordSpacing();
        }
        // text rendering matrix (text space -> device space)
        Matrix ctm = state.getCurrentTransformationMatrix();
        Matrix textRenderingMatrix = parameters.multiply(textMatrix).multiply(ctm);
        // changes to vertical text should be tested with PDFBOX-2294 and PDFBOX-1422
        if (font.isVertical()) {
            // position vector, in text space
            Vector v = font.getPositionVector(code);
            // apply the position vector to the horizontal origin to get the vertical origin
            textRenderingMatrix.translate(v);
        }
        // get glyph's horizontal and vertical displacements, in text space
        Vector w = font.getDisplacement(code);
        // process the decoded glyph
        saveGraphicsState();
        Matrix textMatrixOld = textMatrix;
        Matrix textLineMatrixOld = textLineMatrix;
        showGlyph(textRenderingMatrix, font, code, unicode, w);
        textMatrix = textMatrixOld;
        textLineMatrix = textLineMatrixOld;
        restoreGraphicsState();
        // calculate the combined displacements
        float tx;
        float ty;
        if (font.isVertical()) {
            tx = 0;
            ty = w.getY() * fontSize + charSpacing + wordSpacing;
        } else {
            tx = (w.getX() * fontSize + charSpacing + wordSpacing) * horizontalScaling;
            ty = 0;
        }
        // update the text matrix
        textMatrix.concatenate(Matrix.getTranslateInstance(tx, ty));
    }
}

Example 5 with PDFont

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

the class PDFontSetting method getFont.

/**
 * This will get the font for this font setting.
 *
 * @return The font for this setting of null if one was not found.
 *
 * @throws IOException If there is an error getting the font.
 */
public PDFont getFont() throws IOException {
    PDFont retval = null;
    COSBase font = fontSetting.getObject(0);
    if (font instanceof COSDictionary) {
        retval = PDFontFactory.createFont((COSDictionary) font);
    }
    return retval;
}