com.itextpdf.text.Image.getWidth java code examples

  private com.itextpdf.text.Image buildPdfImage(String base64Data, int width,int height) throws Exception{
    com.itextpdf.text.Image pdfImg=null;
    InputStream input=ImageUtils.base64DataToInputStream(base64Data);
    try{
      byte[] bytes=IOUtils.toByteArray(input);
      pdfImg=com.itextpdf.text.Image.getInstance(bytes);
      float imgWidth=pdfImg.getWidth();
      float imgHeight=pdfImg.getHeight();
      if(width==0){
        width=Float.valueOf(imgWidth).intValue();
      }
      if(height==0){
        height=Float.valueOf(imgHeight).intValue();
      }
      width=UnitUtils.pixelToPoint(width-2);
      height=UnitUtils.pixelToPoint(height-2);
      pdfImg.scaleToFit(width,height);
    }finally{
      IOUtils.closeQuietly(input);
    }
    return pdfImg;
  }
}

public static void scaleToFit(Image img, Rectangle box) {
  float scaleWidth = box.getWidth() / img.getWidth();
  float scaleHeight = box.getHeight() / img.getHeight();
  float scale = Math.min(scaleHeight, scaleWidth);
  if (scale < 1)
    img.scalePercent(scale * 100f);
}

/**
 * Scale the width and height of an image to a certain percentage.
 *
 * @param percentX
 *            the scaling percentage of the width
 * @param percentY
 *            the scaling percentage of the height
 */
public void scalePercent(final float percentX, final float percentY) {
  plainWidth = getWidth() * percentX / 100f;
  plainHeight = getHeight() * percentY / 100f;
  float[] matrix = matrix();
  scaledWidth = matrix[DX] - matrix[CX];
  scaledHeight = matrix[DY] - matrix[CY];
  setWidthPercentage(0);
}

  private com.itextpdf.text.Image buildPdfImage(String base64Data, int width,int height) throws Exception{
    com.itextpdf.text.Image pdfImg=null;
    InputStream input=ImageUtils.base64DataToInputStream(base64Data);
    try{
      byte[] bytes=IOUtils.toByteArray(input);
      pdfImg=com.itextpdf.text.Image.getInstance(bytes);
      float imgWidth=pdfImg.getWidth();
      float imgHeight=pdfImg.getHeight();
      if(width==0){
        width=Float.valueOf(imgWidth).intValue();
      }
      if(height==0){
        height=Float.valueOf(imgHeight).intValue();
      }
      width=UnitUtils.pixelToPoint(width-2);
      height=UnitUtils.pixelToPoint(height-2);
      pdfImg.scaleToFit(width,height);
    }finally{
      IOUtils.closeQuietly(input);
    }
    return pdfImg;
  }
}

/**
 * Scale the width and height of an image to a certain percentage.
 *
 * @param percentX
 *            the scaling percentage of the width
 * @param percentY
 *            the scaling percentage of the height
 */
public void scalePercent(final float percentX, final float percentY) {
  plainWidth = getWidth() * percentX / 100f;
  plainHeight = getHeight() * percentY / 100f;
  float[] matrix = matrix();
  scaledWidth = matrix[DX] - matrix[CX];
  scaledHeight = matrix[DY] - matrix[CY];
  setWidthPercentage(0);
}

public static void adjustOrScaleToFit(Image img, Dimension dim, Rectangle box) {
  if (dim == null) {
    scaleToFit(img, box);
    return;
  }
  float width = img.getWidth();
  switch (dim.unit()) {
    case Percent:
      width = box.getWidth() * dim.amount() / 100f;
      break;
    case Px:
      width = dim.amount();
      break;
  }
  // W --> w
  // H --> h  •••> h = w * H / W
  float height = width * img.getHeight() / img.getWidth();
  img.scaleAbsolute(width, height);
}

/**
 * 使用图片创建PDF文件
 *
 * @param srcPahOfImg  图片文件夹路径
 * @param desPathOfPdf PDF存储路径
 * @throws DocumentException pdf相关错误
 * @throws IOException       图片相关错误
 */
public static void creatPDF(String srcPahOfImg, String desPathOfPdf) throws DocumentException, IOException {
  File file = new File(srcPahOfImg);
  File[] picFiles = file.listFiles();
  if (picFiles == null || picFiles.length == 0) {
    return;
  }
  List<File> files = Arrays.asList(picFiles);
  //需要根据第一页创建document的大小
  //如果不根据第一页创建，即使修改document的大小也不会生效，困惑
  Image firstImg = Image.getInstance(files.get(0).getCanonicalPath());
  Document document = new Document(new Rectangle(firstImg.getWidth(), firstImg.getHeight()), 0, 0, 0, 0);
  PdfWriter.getInstance(document, new FileOutputStream(desPathOfPdf));
  document.open();
  document.add(firstImg);
  for (int i = 1; i < files.size(); i++) {
    Image img = Image.getInstance(files.get(i).getCanonicalPath());
    document.setPageSize(new Rectangle(img.getWidth(), img.getHeight()));
    document.add(img);
  }
  document.close();
}

appearance.setImageScale((float) ((1)/img.getWidth()));

} else if (widthInPoints > 0) {
  heightInPoints = img.getHeight() * widthInPoints
      / img.getWidth();
  img.scaleAbsolute(widthInPoints, heightInPoints);
} else if (heightInPoints > 0) {
  widthInPoints = img.getWidth() * heightInPoints
      / img.getHeight();
  img.scaleAbsolute(widthInPoints, heightInPoints);

this.setImageScalePercentage(width / image.getWidth());
return null;

} else if (widthInPoints > 0) {
  heightInPoints = img.getHeight() * widthInPoints
      / img.getWidth();
  img.scaleAbsolute(widthInPoints, heightInPoints);
} else if (heightInPoints > 0) {
  widthInPoints = img.getWidth() * heightInPoints
      / img.getHeight();
  img.scaleAbsolute(widthInPoints, heightInPoints);

this.setImageScalePercentage(width / image.getWidth());
return null;

Rectangle2D rect = tp.getAnchorRect();
com.itextpdf.text.Image image = com.itextpdf.text.Image.getInstance(img, null);
PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
AffineTransform inverse = this.normalizeMatrix();
inverse.translate(rect.getX(), rect.getY());
inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
double[] mx = new double[6];
inverse.getMatrix(mx);

public boolean setFieldAsImage(String field, Image image) {
  try {
    if (Float.isNaN(image.getAbsoluteX()))
      image.setAbsolutePosition(0, image.getAbsoluteY());
    if (Float.isNaN(image.getAbsoluteY()))
      image.setAbsolutePosition(image.getAbsoluteY(), 0);
    PdfTemplate tmpl = PdfTemplate.createTemplate(wrt, image.getWidth(), image.getHeight());
    tmpl.addImage(image);
    PdfStream str = tmpl.getFormXObject(PdfStream.NO_COMPRESSION);
    PdfIndirectReference ref = wrt.addToBody(str).getIndirectReference();
    PdfDictionary d = new PdfDictionary();
    d.put(PdfName.N, ref);
    return setField(field, d);
  } catch (Exception de) {
    throw new ExceptionConverter(de);
  }
}

writeWord(os, META_SETWINDOWEXT);
writeWord(os, (int)image.getHeight());
writeWord(os, (int)image.getWidth());
writeDWord(os, 0x00cc0020);
writeWord(os, (int)image.getHeight());
writeWord(os, (int)image.getWidth());
writeWord(os, 0);
writeWord(os, 0);
writeWord(os, (int)image.getHeight());
writeWord(os, (int)image.getWidth());
writeWord(os, 0);
writeWord(os, 0);

public boolean setFieldAsImage(String field, Image image) {
  try {
    if (Float.isNaN(image.getAbsoluteX()))
      image.setAbsolutePosition(0, image.getAbsoluteY());
    if (Float.isNaN(image.getAbsoluteY()))
      image.setAbsolutePosition(image.getAbsoluteY(), 0);
    PdfTemplate tmpl = PdfTemplate.createTemplate(wrt, image.getWidth(), image.getHeight());
    tmpl.addImage(image);
    PdfStream str = tmpl.getFormXObject(PdfStream.NO_COMPRESSION);
    PdfIndirectReference ref = wrt.addToBody(str).getIndirectReference();
    PdfDictionary d = new PdfDictionary();
    d.put(PdfName.N, ref);
    return setField(field, d);
  } catch (Exception de) {
    throw new ExceptionConverter(de);
  }
}

private void writeAttributes(final Image image) {
  if (image != null) {
    this.setAttribute(PdfName.O, PdfName.LAYOUT);
    if (image.getWidth() > 0){
      this.setAttribute(PdfName.WIDTH, new PdfNumber(image.getWidth()));
    }
    if (image.getHeight() > 0){
      this.setAttribute(PdfName.HEIGHT, new PdfNumber(image.getHeight()));
    }
    PdfRectangle rect = new PdfRectangle(image, image.getRotation());
    this.setAttribute(PdfName.BBOX, rect);
    if (image.getBackgroundColor() != null){
      BaseColor color = image.getBackgroundColor();
      this.setAttribute(PdfName.BACKGROUNDCOLOR, new PdfArray(new float[] {color.getRed()/255f, color.getGreen()/255f, color.getBlue()/255f}) );
    }
  }
}

writeWord(os, META_SETWINDOWEXT);
writeWord(os, (int)image.getHeight());
writeWord(os, (int)image.getWidth());
writeDWord(os, 0x00cc0020);
writeWord(os, (int)image.getHeight());
writeWord(os, (int)image.getWidth());
writeWord(os, 0);
writeWord(os, 0);
writeWord(os, (int)image.getHeight());
writeWord(os, (int)image.getWidth());
writeWord(os, 0);
writeWord(os, 0);

private void writeAttributes(final Image image) {
  if (image != null) {
    this.setAttribute(PdfName.O, PdfName.LAYOUT);
    if (image.getWidth() > 0){
      this.setAttribute(PdfName.WIDTH, new PdfNumber(image.getWidth()));
    }
    if (image.getHeight() > 0){
      this.setAttribute(PdfName.HEIGHT, new PdfNumber(image.getHeight()));
    }
    PdfRectangle rect = new PdfRectangle(image, image.getRotation());
    this.setAttribute(PdfName.BBOX, rect);
    if (image.getBackgroundColor() != null){
      BaseColor color = image.getBackgroundColor();
      this.setAttribute(PdfName.BACKGROUNDCOLOR, new PdfArray(new float[] {color.getRed()/255f, color.getGreen()/255f, color.getBlue()/255f}) );
    }
  }
}

Paragraph paragraph = new Paragraph(image.getWidth() + " x " + image.getHeight());
paragraph.setAlignment(Paragraph.ALIGN_CENTER);
document.add(paragraph);

Javadoc

Getter for property widthPercentage.

Popular methods of Image

getInstance
gets an instance of an Image
getHeight
scaleAbsolute
Scale the image to the dimensions of the rectangle
setAbsolutePosition
Sets the absolute position of the Image.
getScaledHeight
Gets the scaled height of the image.
getScaledWidth
Gets the scaled width of the image.
scaleToFit
Scales the images to the dimensions of the rectangle.
scalePercent
Scale the width and height of an image to a certain percentage.
getICCProfile
Gets the images ICC profile.
makeMask
Make this Image a mask.
matrix
Returns the transformation matrix of the image.
setImageMask
Sets the explicit masking.

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How to use getWidthmethodin com.itextpdf.text.Image

Best Java code snippets using com.itextpdf.text.Image.getWidth (Showing top 20 results out of 315)

How to use
getWidth
method
in
com.itextpdf.text.Image