protected void createPdfButton_Click(object sender, EventArgs e)
{
// Create a PDF document
Document pdfDocument = new Document();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
try
{
// The result of adding elements to PDF document
AddElementResult addElementResult = null;
// The titles font used to mark various sections of the PDF document
PdfFont titleFont = pdfDocument.AddFont(new Font("Times New Roman", 12, FontStyle.Bold, GraphicsUnit.Point));
PdfFont subtitleFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Bold, GraphicsUnit.Point));
// The position on X anf Y axes where to add the next element
float yLocation = 5;
float xLocation = 5;
// Create a PDF page in PDF document
PdfPage pdfPage = pdfDocument.AddPage();
// Add section title
TextElement titleTextElement = new TextElement(xLocation, yLocation, "Images Scaling", titleFont);
titleTextElement.ForeColor = Color.Black;
addElementResult = pdfPage.AddElement(titleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 10;
pdfPage = addElementResult.EndPdfPage;
float titlesYLocation = yLocation;
// Add an unscaled image
// Add section title
TextElement subtitleTextElement = new TextElement(xLocation, titlesYLocation, "Unscaled small image with normal resolution", subtitleFont);
subtitleTextElement.ForeColor = Color.Navy;
addElementResult = pdfPage.AddElement(subtitleTextElement);
pdfPage = addElementResult.EndPdfPage;
float imagesYLocation = addElementResult.EndPageBounds.Bottom + 10;
string imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_small.jpg");
ImageElement unscaledImageElement = new ImageElement(xLocation, imagesYLocation, imagePath);
addElementResult = pdfPage.AddElement(unscaledImageElement);
RectangleF scaledDownImageRectangle = new RectangleF(addElementResult.EndPageBounds.Right + 30, addElementResult.EndPageBounds.Y,
addElementResult.EndPageBounds.Width, addElementResult.EndPageBounds.Height);
// Add a large image scaled down to same size in PDF
// Add section title
subtitleTextElement = new TextElement(scaledDownImageRectangle.X, titlesYLocation, "Scaled down large image has higher resolution", subtitleFont);
subtitleTextElement.ForeColor = Color.Navy;
pdfPage.AddElement(subtitleTextElement);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_large.jpg");
ImageElement scaledDownImageElement = new ImageElement(scaledDownImageRectangle.X, scaledDownImageRectangle.Y, scaledDownImageRectangle.Width, imagePath);
AddElementResult scaledDownImageResult = pdfPage.AddElement(scaledDownImageElement);
// Add a border around the scaled down image
RectangleElement borderElement = new RectangleElement(scaledDownImageRectangle);
pdfPage.AddElement(borderElement);
// Add an unscaled small image
float columnX = scaledDownImageResult.EndPageBounds.Right + 30;
// Add section title
subtitleTextElement = new TextElement(columnX, titlesYLocation, "Unscaled small image", subtitleFont);
subtitleTextElement.ForeColor = Color.Navy;
pdfPage.AddElement(subtitleTextElement);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_smaller.jpg");
unscaledImageElement = new ImageElement(columnX, imagesYLocation, imagePath);
AddElementResult unscaledImageResult = pdfPage.AddElement(unscaledImageElement);
RectangleF unscaledImageRectangle = unscaledImageResult.EndPageBounds;
// Add an enlarged image
// Add section title
subtitleTextElement = new TextElement(columnX, unscaledImageRectangle.Bottom + 10, "Enlarged small image has lower resolution", subtitleFont);
subtitleTextElement.ForeColor = Color.Navy;
AddElementResult enlargedImageTitle = pdfPage.AddElement(subtitleTextElement);
float enlargedImageWidth = unscaledImageRectangle.Width + 35;
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_smaller.jpg");
ImageElement enlargedImageElement = new ImageElement(columnX, enlargedImageTitle.EndPageBounds.Bottom + 10, enlargedImageWidth, imagePath);
// Allow the image to be enlarged
enlargedImageElement.EnlargeEnabled = true;
AddElementResult enalargedImageResult = pdfPage.AddElement(enlargedImageElement);
yLocation = addElementResult.EndPageBounds.Bottom + 10;
// Scale an image preserving the aspect ratio
titlesYLocation = yLocation;
// Add section title
subtitleTextElement = new TextElement(xLocation, titlesYLocation, "Scaled down image preserving aspect ratio", subtitleFont);
subtitleTextElement.ForeColor = Color.Navy;
addElementResult = pdfPage.AddElement(subtitleTextElement);
pdfPage = addElementResult.EndPdfPage;
yLocation = addElementResult.EndPageBounds.Bottom + 10;
RectangleF boundingRectangle = new RectangleF(xLocation, yLocation, scaledDownImageRectangle.Width, scaledDownImageRectangle.Width);
imagesYLocation = boundingRectangle.Y;
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/landscape.jpg");
ImageElement keepAspectImageElement = new ImageElement(boundingRectangle.X, imagesYLocation, boundingRectangle.Width, boundingRectangle.Width, true, imagePath);
addElementResult = pdfPage.AddElement(keepAspectImageElement);
borderElement = new RectangleElement(boundingRectangle);
borderElement.ForeColor = Color.Black;
pdfPage.AddElement(borderElement);
// Scale an image without preserving aspect ratio
// This can produce a distorted image
boundingRectangle = new RectangleF(addElementResult.EndPageBounds.Right + 30, addElementResult.EndPageBounds.Y, scaledDownImageRectangle.Width, scaledDownImageRectangle.Width);
// Add section title
subtitleTextElement = new TextElement(boundingRectangle.X, titlesYLocation, "Scaled down image without preserving aspect ratio", subtitleFont);
subtitleTextElement.ForeColor = Color.Navy;
pdfPage.AddElement(subtitleTextElement);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/landscape.jpg");
ImageElement notKeepAspectImageElement = new ImageElement(boundingRectangle.X, imagesYLocation, boundingRectangle.Width, boundingRectangle.Width, false, imagePath);
addElementResult = pdfPage.AddElement(notKeepAspectImageElement);
borderElement = new RectangleElement(boundingRectangle);
borderElement.ForeColor = Color.Black;
pdfPage.AddElement(borderElement);
pdfPage = addElementResult.EndPdfPage;
yLocation = addElementResult.EndPageBounds.Bottom + 20;
// Add transparent images
// Add section title
titleTextElement = new TextElement(xLocation, yLocation, "Transparent Images", titleFont);
titleTextElement.ForeColor = Color.Black;
addElementResult = pdfPage.AddElement(titleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 10;
pdfPage = addElementResult.EndPdfPage;
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/transparent.png");
ImageElement trasparentImageElement = new ImageElement(xLocation, yLocation, 150, imagePath);
addElementResult = pdfPage.AddElement(trasparentImageElement);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/rose.png");
trasparentImageElement = new ImageElement(addElementResult.EndPageBounds.Right + 60, yLocation + 20, 150, imagePath);
pdfPage.AddElement(trasparentImageElement);
pdfPage = addElementResult.EndPdfPage;
yLocation = addElementResult.EndPageBounds.Bottom + 20;
// Rotate images
// Add section title
titleTextElement = new TextElement(xLocation, yLocation, "Rotated Images", titleFont);
titleTextElement.ForeColor = Color.Black;
addElementResult = pdfPage.AddElement(titleTextElement);
yLocation = addElementResult.EndPageBounds.Bottom + 10;
pdfPage = addElementResult.EndPdfPage;
// Add a not rotated image
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/compass.png");
ImageElement noRotationImageElement = new ImageElement(xLocation, yLocation, 125, imagePath);
addElementResult = pdfPage.AddElement(noRotationImageElement);
float imageXLocation = addElementResult.EndPageBounds.X;
float imageYLocation = addElementResult.EndPageBounds.Y;
float imageWidth = addElementResult.EndPageBounds.Width;
float imageHeight = addElementResult.EndPageBounds.Height;
// The rotated coordinates system location
float rotatedImageXLocation = imageXLocation + imageWidth + 20 + imageHeight;
float rotatedImageYLocation = imageYLocation;
// Add the image rotated 90 degrees
ImageElement rotate90ImageElement = new ImageElement(0, 0, 125, imagePath);
rotate90ImageElement.Translate(rotatedImageXLocation, rotatedImageYLocation);
rotate90ImageElement.Rotate(90);
pdfPage.AddElement(rotate90ImageElement);
rotatedImageXLocation += 20 + imageWidth;
rotatedImageYLocation = imageYLocation + imageHeight;
// Add the image rotated 180 degrees
ImageElement rotate180ImageElement = new ImageElement(0, 0, 125, imagePath);
rotate180ImageElement.Translate(rotatedImageXLocation, rotatedImageYLocation);
rotate180ImageElement.Rotate(180);
pdfPage.AddElement(rotate180ImageElement);
rotatedImageXLocation += 20;
rotatedImageYLocation = imageYLocation + imageWidth;
// Add the image rotated 270 degrees
ImageElement rotate270ImageElement = new ImageElement(0, 0, 125, imagePath);
rotate270ImageElement.Translate(rotatedImageXLocation, rotatedImageYLocation);
rotate270ImageElement.Rotate(270);
pdfPage.AddElement(rotate270ImageElement);
pdfPage = addElementResult.EndPdfPage;
yLocation = addElementResult.EndPageBounds.Bottom + 20;
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF as response to browser
// Set response content type
Response.AddHeader("Content-Type", "application/pdf");
// Instruct the browser to open the PDF file as an attachment or inline
Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Image_Elements.pdf; size={0}", outPdfBuffer.Length.ToString()));
// Write the PDF document buffer to HTTP response
Response.BinaryWrite(outPdfBuffer);
// End the HTTP response and stop the current page processing
Response.End();
}
finally
{
// Close the PDF document
pdfDocument.Close();
}
}
protected void createPdfButton_Click(object sender, EventArgs e)
{
// Get the server IP and port
String serverIP = textBoxServerIP.Text;
uint serverPort = uint.Parse(textBoxServerPort.Text);
// Create a PDF document
Document pdfDocument = new Document(serverIP, serverPort);
// Set optional service password
if (textBoxServicePassword.Text.Length > 0)
{
pdfDocument.ServicePassword = textBoxServicePassword.Text;
}
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// The titles font used to mark various sections of the PDF document
PdfFont titleFont = new PdfFont("Times New Roman", 12, true);
titleFont.Bold = true;
PdfFont subtitleFont = new PdfFont("Times New Roman", 8, true);
subtitleFont.Bold = true;
// Create a PDF page in PDF document
PdfPage pdfPage = pdfDocument.AddPage();
// Add section title
TextElement titleTextElement = new TextElement(5, 5, "Images Scaling", titleFont);
titleTextElement.ForeColor = RgbColor.Black;
pdfPage.AddElement(titleTextElement);
// Add an unscaled image
// Add section title
TextElement subtitleTextElement = new TextElement(0, 0, "Unscaled small image with normal resolution", subtitleFont);
subtitleTextElement.ForeColor = RgbColor.Navy;
pdfDocument.AddElement(subtitleTextElement, 10);
string imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_small.jpg");
ImageElement unscaledImageElement = new ImageElement(0, 0, imagePath);
pdfDocument.AddElement(unscaledImageElement, 10);
// Add a large image scaled down to same size in PDF
// Add section title
subtitleTextElement = new TextElement(0, 0, "Scaled down large image has higher resolution", subtitleFont);
subtitleTextElement.ForeColor = RgbColor.Navy;
pdfDocument.AddElement(subtitleTextElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_large.jpg");
ImageElement scaledDownImageElement = new ImageElement(0, 0, 50, imagePath);
pdfDocument.AddElement(scaledDownImageElement, 10);
// Add a border around the scaled down image
RectangleElement borderElement = new RectangleElement(0, 0, 0, 0);
pdfDocument.AddElement(borderElement);
// Add an unscaled small image
// Add section title
subtitleTextElement = new TextElement(0, 0, "Unscaled small image", subtitleFont);
subtitleTextElement.ForeColor = RgbColor.Navy;
pdfDocument.AddElement(subtitleTextElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_smaller.jpg");
unscaledImageElement = new ImageElement(0, 0, imagePath);
pdfDocument.AddElement(unscaledImageElement, 10);
// Add an enlarged image
// Add section title
subtitleTextElement = new TextElement(0, 0, "Enlarged small image has lower resolution", subtitleFont);
subtitleTextElement.ForeColor = RgbColor.Navy;
pdfDocument.AddElement(subtitleTextElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/picture_smaller.jpg");
ImageElement enlargedImageElement = new ImageElement(0, 0, 200, imagePath);
// Allow the image to be enlarged
enlargedImageElement.EnlargeEnabled = true;
pdfDocument.AddElement(enlargedImageElement, 10);
// Scale an image preserving the aspect ratio
// Add section title
subtitleTextElement = new TextElement(0, 0, "Scaled down image preserving aspect ratio", subtitleFont);
subtitleTextElement.ForeColor = RgbColor.Navy;
pdfDocument.AddElement(subtitleTextElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/landscape.jpg");
ImageElement keepAspectImageElement = new ImageElement(0, 0, 80, 80, true, imagePath);
pdfDocument.AddElement(keepAspectImageElement, 10);
borderElement = new RectangleElement(0, 0, 0, 0);
borderElement.ForeColor = RgbColor.Black;
pdfDocument.AddElement(borderElement);
// Scale an image without preserving aspect ratio
// This can produce a distorted image
// Add section title
subtitleTextElement = new TextElement(0, 0, "Scaled down image without preserving aspect ratio", subtitleFont);
subtitleTextElement.ForeColor = RgbColor.Navy;
pdfDocument.AddElement(subtitleTextElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/landscape.jpg");
ImageElement notKeepAspectImageElement = new ImageElement(0, 0, 80, 80, false, imagePath);
pdfDocument.AddElement(notKeepAspectImageElement, 10);
borderElement = new RectangleElement(0, 0, 0, 0);
borderElement.ForeColor = RgbColor.Black;
pdfDocument.AddElement(borderElement);
// Add transparent images
// Add section title
titleTextElement = new TextElement(0, 0, "Transparent Images", titleFont);
titleTextElement.ForeColor = RgbColor.Black;
pdfDocument.AddElement(titleTextElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/transparent.png");
ImageElement trasparentImageElement = new ImageElement(0, 0, 150, imagePath);
pdfDocument.AddElement(trasparentImageElement, 10);
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/rose.png");
trasparentImageElement = new ImageElement(0, 0, 150, imagePath);
pdfDocument.AddElement(trasparentImageElement, 10);
// Rotate images
// Add a new page to document
pdfPage = pdfDocument.AddPage();
// Add section title
titleTextElement = new TextElement(0, 0, "Rotated Images", titleFont);
titleTextElement.ForeColor = RgbColor.Black;
pdfPage.AddElement(titleTextElement);
// Add a not rotated image
imagePath = Server.MapPath("~/DemoAppFiles/Input/Images/compass.png");
ImageElement noRotationImageElement = new ImageElement(0, 25, 125, imagePath);
pdfPage.AddElement(noRotationImageElement);
// The rotated coordinates system location
float rotatedImageXLocation = 125;
float rotatedImageYLocation = 175;
// Add the image rotated 90 degrees
ImageElement rotate90ImageElement = new ImageElement(0, 0, 125, imagePath);
rotate90ImageElement.Translate(rotatedImageXLocation, rotatedImageYLocation);
rotate90ImageElement.Rotate(90);
pdfPage.AddElement(rotate90ImageElement);
rotatedImageXLocation = 125;
rotatedImageYLocation = 450;
// Add the image rotated 180 degrees
ImageElement rotate180ImageElement = new ImageElement(0, 0, 125, imagePath);
rotate180ImageElement.Translate(rotatedImageXLocation, rotatedImageYLocation);
rotate180ImageElement.Rotate(180);
pdfPage.AddElement(rotate180ImageElement);
rotatedImageXLocation = 0;
rotatedImageYLocation = 600;
// Add the image rotated 270 degrees
ImageElement rotate270ImageElement = new ImageElement(0, 0, 125, imagePath);
rotate270ImageElement.Translate(rotatedImageXLocation, rotatedImageYLocation);
rotate270ImageElement.Rotate(270);
pdfPage.AddElement(rotate270ImageElement);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF as response to browser
// Set response content type
Response.AddHeader("Content-Type", "application/pdf");
// Instruct the browser to open the PDF file as an attachment or inline
Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Image_Elements.pdf; size={0}", outPdfBuffer.Length.ToString()));
// Write the PDF document buffer to HTTP response
Response.BinaryWrite(outPdfBuffer);
// End the HTTP response and stop the current page processing
Response.End();
}
