import java.io.File; import java.io.IOException; import com.gnostice.pdfone.PDFOne; import com.gnostice.pdfone.PdfDocument; import com.gnostice.pdfone.PdfException; import com.gnostice.pdfone.PdfImage; import com.gnostice.pdfone.PdfMeasurement; import com.gnostice.pdfone.PdfPage; import com.gnostice.pdfone.PdfWriter; public class PdfImage_Examples { // Activates the component PDFOne.jar static { PDFOne.activate("T95VZE:W8HBPVA:74VQ8QV:LO4V8", "9B1HRZAP:X5853ERNE:5EREMEGRQ:TX1R10"); } public static void main(String[] args) throws IOException, PdfException { PdfImage_Examples obj = new PdfImage_Examples(); // To try other examples, add the obj.<example_method> // accordingly. For example, try: // obj.FileDimensions_Example(); obj.Rotation_Example(); }
// This code segment creates a PdfImage object and draws it // twice - one with measurement unit in inches and the other // with pixels. public void intro_Example() throws IOException, PdfException { PdfWriter writer = PdfWriter.fileWriter( new File( "pdfimage_intro_example.pdf")); PdfDocument document = new PdfDocument(writer); // Creates a PdfImage object for a 468x60 pixels image file // located in the InputDocs directory of the current // directory. PdfImage image = PdfImage.create("banner_img_468_60.jpg"); document.setMeasurementUnit(PdfMeasurement.MU_INCHES); image.setWidth(5); image.setHeight(1); document.drawImage(image, 1, 1); document.setMeasurementUnit(PdfMeasurement.MU_PIXELS); image.setWidth(5 * 96); image.setHeight(1 * 96); document.drawImage(image, 100, 300); document.setOpenAfterSave(true); document.write(); writer.dispose(); }
// This code segment creates a PdfImage object, obtains number of // bits per component (pixel) and writes the value to page. public void bitsPerComponent_Example() throws IOException, PdfException { PdfWriter writer = PdfWriter.fileWriter( new File( "pdfimage_bitspercomponent_" + "example.pdf")); PdfDocument document = new PdfDocument(writer); PdfPage page = new PdfPage(); page.setMeasurementUnit(PdfMeasurement.MU_INCHES); // Creates a PdfImage object for banner_img_468_grey.jpg // located in the InputDocs directory of the current // directory. PdfImage image = PdfImage.create( "banner_img_468_60_8bpp.bmp"); // Obtains the number of bits per component and writes it to // page. page.writeText( "Number of components in the colorspace : " + image.bitsPerComponent(), 2, 0.8); // Draws the image for reference page.drawImage(image, 1, 1); document.add(page); document.setOpenAfterSave(true); document.write(); writer.dispose(); }
// This code segment creates a PdfImage object and draws it on the // screen. It then obtains the object's height and width values // and sets them to twice their original values. public void ObjectDimensions_Example() throws IOException, PdfException { PdfWriter writer = PdfWriter.fileWriter( new File( "pdfimage_objectdimensions_example.pdf")); PdfDocument document = new PdfDocument(writer); PdfPage page = new PdfPage(); page.setMeasurementUnit(PdfMeasurement.MU_INCHES); // Creates a PdfImage object for banner_img_468_60.jpg // located in the InputDocs directory of the current // directory. PdfImage image = PdfImage.create( "banner_img_160_50.jpg"); // Draws the object using its default height and width page.writeText( "Image drawn using default height and width", 2, 0.8); page.drawImage(image, 2, 1);
// Obtains default height and weight values of the object // into variables float l = image.getHeight(); float b = image.getWidth(); // Sets height and width variables to twice the original // values l = l * 2; b = b * 2;
// Sets new height and width values to the object image.setHeight(l); image.setWidth(b); // Draws the object using new object dimensions page.writeText( "Image drawn with twice the height and width", 2, 3.8); page.drawImage(image, 2, 4); document.add(page); document.setOpenAfterSave(true); document.write(); writer.dispose(); }
// This code segment creates a PdfImage object and obtains the // height and width of the image. It then writes these values to // the page. public void FileDimensions_Example() throws IOException, PdfException { PdfWriter writer = PdfWriter.fileWriter( new File( "pdfimage_height_example.pdf")); PdfDocument document = new PdfDocument(writer); document.setVersion(PdfDocument.VERSION_1_4); PdfPage page = new PdfPage(); page.setMeasurementUnit(PdfMeasurement.MU_INCHES); // Creates a PdfImage object for banner_img_468_60.jpg // located in the InputDocs directory of the current // directory. PdfImage image = PdfImage.create( "banner_img_468_60.jpg");
// Obtains the height of the image and writes the value to // page page.writeText("Banner_img_468_60.jpg has a height of: " + image.height() + " pixels", 2, 0.8);
// Obtains the width of the image and writes the value to // page page.writeText("Banner_img_468_60.jpg has a width of: " + image.width() + " pixels", 2, 1.2); // Draws the image for reference page.drawImage(image, 1, 1.6); document.add(page); document.setOpenAfterSave(true); document.write(); writer.dispose(); }
// This code segment creates a PdfImage object and draws it on a // page. It then obtains the object's rotation angle, adds a // randomly chosen value (5 degrees) to it, and sets that as the // new rotation angle. When the object is drawn again, the image // is slanted. public void Rotation_Example() throws IOException, PdfException { PdfWriter writer = PdfWriter.fileWriter( new File( "pdfimage_getrotation_example.pdf")); PdfDocument document = new PdfDocument(writer); PdfPage page = new PdfPage(); page.setMeasurementUnit(PdfMeasurement.MU_INCHES); // Creates a PdfImage object for banner_img_468_60.jpg // located in the InputDocs directory of the current // directory. PdfImage image = PdfImage.create( "banner_img_468_60.jpg"); page.writeText( "Image drawn with its scaled width set to 400 pixels", 200, 80); page.drawImage(image, 1, 1);
// Obtains current rotation angle float n = image.getRotation();
// Sets rotation angle to 5 degrees so that the image is // slightly slanted n = n + 5; image.setRotation(n); page.writeText("Image redrawn but slanted", 1, 2.8); page.drawImage(image, 1, 3); document.add(page); document.setOpenAfterSave(true); document.write(); writer.dispose(); }
// This code segment creates a PdfImage object for a given image // file located in a specified path and then draws it on a // document page. public void create_Example() throws IOException, PdfException { PdfWriter writer = PdfWriter.fileWriter( new File( "pdfimage_create_example.pdf")); PdfDocument document = new PdfDocument(writer); PdfPage page = new PdfPage(); page.setMeasurementUnit(PdfMeasurement.MU_INCHES); // Creates a PdfImage object using an image file PdfImage image = PdfImage.create( "banner_img_468_60.jpg"); page.writeText( "Image (banner_img_468_60.jpg) created and drawn", 2, 1.8); page.drawImage(image, 2, 2); document.add(page); document.setOpenAfterSave(true); document.write(); writer.dispose(); } }