// Creates some content (3 images) and associate them with the image layer
static Obj CreateGroup1(PDFDoc doc, Obj layer)
{
using (ElementWriter writer = new ElementWriter())
using (ElementBuilder builder = new ElementBuilder())
{
writer.Begin(doc);
// Create an Image that can be reused in the document or on the same page.
Image img = Image.Create(doc.GetSDFDoc(), (input_path + "peppers.jpg"));
Element element = builder.CreateImage(img, new Matrix2D(img.GetImageWidth() / 2, -145, 20, img.GetImageHeight() / 2, 200, 150));
writer.WritePlacedElement(element);
GState gstate = element.GetGState(); // use the same image (just change its matrix)
gstate.SetTransform(200, 0, 0, 300, 50, 450);
writer.WritePlacedElement(element);
// use the same image again (just change its matrix).
writer.WritePlacedElement(builder.CreateImage(img, 300, 600, 200, -150));
Obj grp_obj = writer.End();
// Indicate that this form (content group) belongs to the given layer (OCG).
grp_obj.PutName("Subtype", "Form");
grp_obj.Put("OC", layer);
grp_obj.PutRect("BBox", 0, 0, 1000, 1000); // Set the clip box for the content.
// As an example of further configuration, set the image layer to
// be visible on screen, but not visible when printed...
// The AS entry is an auto state array consisting of one or more usage application
// dictionaries that specify how conforming readers shall automatically set the
// state of optional content groups based on external factors.
Obj cfg = doc.GetOCGConfig().GetSDFObj();
Obj auto_state = cfg.FindObj("AS");
if (auto_state == null)
{
auto_state = cfg.PutArray("AS");
}
Obj print_state = auto_state.PushBackDict();
print_state.PutArray("Category").PushBackName("Print");
print_state.PutName("Event", "Print");
print_state.PutArray("OCGs").PushBack(layer);
Obj layer_usage = layer.PutDict("Usage");
Obj view_setting = layer_usage.PutDict("View");
view_setting.PutName("ViewState", "ON");
Obj print_setting = layer_usage.PutDict("Print");
print_setting.PutName("PrintState", "OFF");
return(grp_obj);
}
}
static PatternColor CreateImageTilingPattern(PDFDoc doc)
{
using (ElementWriter writer = new ElementWriter())
using (ElementBuilder eb = new ElementBuilder())
{
// Create a new pattern content stream - a single bitmap object ----------
writer.Begin(doc);
Image img = Image.Create(doc, input_path + "butterfly.png");
Element img_element = eb.CreateImage(img, 0, 0, img.GetImageWidth(), img.GetImageHeight());
writer.WritePlacedElement(img_element);
Obj pattern_dict = writer.End();
// Initialize pattern dictionary. For details on what each parameter represents please
// refer to Table 4.22 (Section '4.6.2 Tiling Patterns') in PDF Reference Manual.
pattern_dict.PutName("Type", "Pattern");
pattern_dict.PutNumber("PatternType", 1);
// TilingType - Constant spacing.
pattern_dict.PutNumber("TilingType", 1);
// This is a Type1 pattern - A colored tiling pattern.
pattern_dict.PutNumber("PaintType", 1);
// Set bounding box
pattern_dict.PutRect("BBox", -253, 0, 253, 545);
// Set the pattern matrix
pattern_dict.PutMatrix("Matrix", new Matrix2D(0.3, 0, 0, 0.3, 0, 0));
// Set the desired horizontal and vertical spacing between pattern cells,
// measured in the pattern coordinate system.
pattern_dict.PutNumber("XStep", 300);
pattern_dict.PutNumber("YStep", 300);
return(new PatternColor(pattern_dict)); // finished creating the Pattern resource
}
}
static void Main(string[] args)
{
PDFNet.Initialize();
// Relative path to the folder containing test files.
string input_path = "../../TestFiles/";
string output_path = "../../TestFiles/Output/";
try
{
Console.WriteLine("-------------------------------------------------");
Console.WriteLine("Opening the input pdf...");
using (PDFDoc in_doc = new PDFDoc(input_path + "newsletter.pdf"))
{
in_doc.InitSecurityHandler();
// Create a list of pages to import from one PDF document to another.
ArrayList import_list = new ArrayList();
for (PageIterator itr = in_doc.GetPageIterator(); itr.HasNext(); itr.Next())
{
import_list.Add(itr.Current());
}
using (PDFDoc new_doc = new PDFDoc()) // Create a new document
using (ElementBuilder builder = new ElementBuilder())
using (ElementWriter writer = new ElementWriter())
{
ArrayList imported_pages = new_doc.ImportPages(import_list);
// Paper dimension for A3 format in points. Because one inch has
// 72 points, 11.69 inch 72 = 841.69 points
Rect media_box = new Rect(0, 0, 1190.88, 841.69);
double mid_point = media_box.Width() / 2;
for (int i = 0; i < imported_pages.Count; ++i)
{
// Create a blank new A3 page and place on it two pages from the input document.
Page new_page = new_doc.PageCreate(media_box);
writer.Begin(new_page);
// Place the first page
Page src_page = (Page)imported_pages[i];
Element element = builder.CreateForm(src_page);
double sc_x = mid_point / src_page.GetPageWidth();
double sc_y = media_box.Height() / src_page.GetPageHeight();
double scale = Math.Min(sc_x, sc_y);
element.GetGState().SetTransform(scale, 0, 0, scale, 0, 0);
writer.WritePlacedElement(element);
// Place the second page
++i;
if (i < imported_pages.Count)
{
src_page = (Page)imported_pages[i];
element = builder.CreateForm(src_page);
sc_x = mid_point / src_page.GetPageWidth();
sc_y = media_box.Height() / src_page.GetPageHeight();
scale = Math.Min(sc_x, sc_y);
element.GetGState().SetTransform(scale, 0, 0, scale, mid_point, 0);
writer.WritePlacedElement(element);
}
writer.End();
new_doc.PagePushBack(new_page);
}
new_doc.Save(output_path + "newsletter_booklet.pdf", SDFDoc.SaveOptions.e_linearized);
Console.WriteLine("Done. Result saved in newsletter_booklet.pdf...");
}
}
}
catch (Exception e)
{
Console.WriteLine("Exception caught:\n{0}", e);
}
}
static void Main(string[] args)
{
PDFNet.Initialize();
// Relative path to the folder containing test files.
string input_path = "../../TestFiles/";
string output_path = "../../TestFiles/Output/";
try
{
using (PDFDoc doc = new PDFDoc())
using (ElementBuilder eb = new ElementBuilder()) // ElementBuilder is used to build new Element objects
using (ElementWriter writer = new ElementWriter()) // ElementWriter is used to write Elements to the page
{
// Start a new page ------------------------------------
// Position an image stream on several places on the page
Page page = doc.PageCreate(new Rect(0, 0, 612, 794));
writer.Begin(page); // begin writing to this page
// Create an Image that can be reused multiple times in the document or
// multiple on the same page.
MappedFile img_file = new MappedFile(input_path + "peppers.jpg");
FilterReader img_data = new FilterReader(img_file);
Image img = Image.Create(doc, img_data, 400, 600, 8, ColorSpace.CreateDeviceRGB(), Image.InputFilter.e_jpeg);
Element element = eb.CreateImage(img, new Matrix2D(200, -145, 20, 300, 200, 150));
writer.WritePlacedElement(element);
GState gstate = element.GetGState(); // use the same image (just change its matrix)
gstate.SetTransform(200, 0, 0, 300, 50, 450);
writer.WritePlacedElement(element);
// use the same image again (just change its matrix).
writer.WritePlacedElement(eb.CreateImage(img, 300, 600, 200, -150));
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Start a new page ------------------------------------
// Construct and draw a path object using different styles
page = doc.PageCreate(new Rect(0, 0, 612, 794));
writer.Begin(page); // begin writing to this page
eb.Reset(); // Reset GState to default
eb.PathBegin(); // start constructing the path
eb.MoveTo(306, 396);
eb.CurveTo(681, 771, 399.75, 864.75, 306, 771);
eb.CurveTo(212.25, 864.75, -69, 771, 306, 396);
eb.ClosePath();
element = eb.PathEnd(); // the path is now finished
element.SetPathFill(true); // the path should be filled
// Set the path color space and color
gstate = element.GetGState();
gstate.SetFillColorSpace(ColorSpace.CreateDeviceCMYK());
gstate.SetFillColor(new ColorPt(1, 0, 0, 0)); // cyan
gstate.SetTransform(0.5, 0, 0, 0.5, -20, 300);
writer.WritePlacedElement(element);
// Draw the same path using a different stroke color
element.SetPathStroke(true); // this path is should be filled and stroked
gstate.SetFillColor(new ColorPt(0, 0, 1, 0)); // yellow
gstate.SetStrokeColorSpace(ColorSpace.CreateDeviceRGB());
gstate.SetStrokeColor(new ColorPt(1, 0, 0)); // red
gstate.SetTransform(0.5, 0, 0, 0.5, 280, 300);
gstate.SetLineWidth(20);
writer.WritePlacedElement(element);
// Draw the same path with with a given dash pattern
element.SetPathFill(false); // this path is should be only stroked
gstate.SetStrokeColor(new ColorPt(0, 0, 1)); // blue
gstate.SetTransform(0.5, 0, 0, 0.5, 280, 0);
double[] dash_pattern = { 30 };
gstate.SetDashPattern(dash_pattern, 0);
writer.WritePlacedElement(element);
// Use the path as a clipping path
writer.WriteElement(eb.CreateGroupBegin()); // Save the graphics state
// Start constructing a new path (the old path was lost when we created
// a new Element using CreateGroupBegin()).
eb.PathBegin();
eb.MoveTo(306, 396);
eb.CurveTo(681, 771, 399.75, 864.75, 306, 771);
eb.CurveTo(212.25, 864.75, -69, 771, 306, 396);
eb.ClosePath();
element = eb.PathEnd(); // path is now built
element.SetPathClip(true); // this path is a clipping path
element.SetPathStroke(true); // this path is should be filled and stroked
gstate = element.GetGState();
gstate.SetTransform(0.5, 0, 0, 0.5, -20, 0);
writer.WriteElement(element);
writer.WriteElement(eb.CreateImage(img, 100, 300, 400, 600));
writer.WriteElement(eb.CreateGroupEnd()); // Restore the graphics state
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Start a new page ------------------------------------
page = doc.PageCreate(new Rect(0, 0, 612, 794));
writer.Begin(page); // begin writing to this page
eb.Reset(); // Reset GState to default
// Begin writing a block of text
element = eb.CreateTextBegin(Font.Create(doc, Font.StandardType1Font.e_times_roman), 12);
writer.WriteElement(element);
string data = "Hello World!";
element = eb.CreateTextRun(data);
element.SetTextMatrix(10, 0, 0, 10, 0, 600);
element.GetGState().SetLeading(15); // Set the spacing between lines
writer.WriteElement(element);
writer.WriteElement(eb.CreateTextNewLine()); // New line
element = eb.CreateTextRun(data);
gstate = element.GetGState();
gstate.SetTextRenderMode(GState.TextRenderingMode.e_stroke_text);
gstate.SetCharSpacing(-1.25);
gstate.SetWordSpacing(-1.25);
writer.WriteElement(element);
writer.WriteElement(eb.CreateTextNewLine()); // New line
element = eb.CreateTextRun(data);
gstate = element.GetGState();
gstate.SetCharSpacing(0);
gstate.SetWordSpacing(0);
gstate.SetLineWidth(3);
gstate.SetTextRenderMode(GState.TextRenderingMode.e_fill_stroke_text);
gstate.SetStrokeColorSpace(ColorSpace.CreateDeviceRGB());
gstate.SetStrokeColor(new ColorPt(1, 0, 0)); // red
gstate.SetFillColorSpace(ColorSpace.CreateDeviceCMYK());
gstate.SetFillColor(new ColorPt(1, 0, 0, 0)); // cyan
writer.WriteElement(element);
writer.WriteElement(eb.CreateTextNewLine()); // New line
// Set text as a clipping path to the image.
element = eb.CreateTextRun(data);
gstate = element.GetGState();
gstate.SetTextRenderMode(GState.TextRenderingMode.e_clip_text);
writer.WriteElement(element);
// Finish the block of text
writer.WriteElement(eb.CreateTextEnd());
// Draw an image that will be clipped by the above text
writer.WriteElement(eb.CreateImage(img, 10, 100, 1300, 720));
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Start a new page ------------------------------------
//
// The example illustrates how to embed the external font in a PDF document.
// The example also shows how ElementReader can be used to copy and modify
// Elements between pages.
using (ElementReader reader = new ElementReader())
{
// Start reading Elements from the last page. We will copy all Elements to
// a new page but will modify the font associated with text.
reader.Begin(doc.GetPage(doc.GetPageCount()));
page = doc.PageCreate(new Rect(0, 0, 1300, 794));
writer.Begin(page); // begin writing to this page
eb.Reset(); // Reset GState to default
// Embed an external font in the document.
Font font = Font.CreateTrueTypeFont(doc, input_path + "font.ttf");
while ((element = reader.Next()) != null) // Read page contents
{
if (element.GetType() == Element.Type.e_text)
{
element.GetGState().SetFont(font, 12);
}
writer.WriteElement(element);
}
reader.End();
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Start a new page ------------------------------------
//
// The example illustrates how to embed the external font in a PDF document.
// The example also shows how ElementReader can be used to copy and modify
// Elements between pages.
// Start reading Elements from the last page. We will copy all Elements to
// a new page but will modify the font associated with text.
reader.Begin(doc.GetPage(doc.GetPageCount()));
page = doc.PageCreate(new Rect(0, 0, 1300, 794));
writer.Begin(page); // begin writing to this page
eb.Reset(); // Reset GState to default
// Embed an external font in the document.
Font font2 = Font.CreateType1Font(doc, input_path + "Misc-Fixed.pfa");
while ((element = reader.Next()) != null) // Read page contents
{
if (element.GetType() == Element.Type.e_text)
{
element.GetGState().SetFont(font2, 12);
}
writer.WriteElement(element);
}
reader.End();
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Start a new page ------------------------------------
page = doc.PageCreate();
writer.Begin(page); // begin writing to this page
eb.Reset(); // Reset GState to default
// Begin writing a block of text
element = eb.CreateTextBegin(Font.Create(doc, Font.StandardType1Font.e_times_roman), 12);
element.SetTextMatrix(1.5, 0, 0, 1.5, 50, 600);
element.GetGState().SetLeading(15); // Set the spacing between lines
writer.WriteElement(element);
string para = "A PDF text object consists of operators that can show " +
"text strings, move the text position, and set text state and certain " +
"other parameters. In addition, there are three parameters that are " +
"defined only within a text object and do not persist from one text " +
"object to the next: Tm, the text matrix, Tlm, the text line matrix, " +
"Trm, the text rendering matrix, actually just an intermediate result " +
"that combines the effects of text state parameters, the text matrix " +
"(Tm), and the current transformation matrix";
int para_end = para.Length;
int text_run = 0;
int text_run_end;
double para_width = 300; // paragraph width is 300 units
double cur_width = 0;
while (text_run < para_end)
{
text_run_end = para.IndexOf(' ', text_run);
if (text_run_end < 0)
{
text_run_end = para_end - 1;
}
string text = para.Substring(text_run, text_run_end - text_run + 1);
element = eb.CreateTextRun(text);
if (cur_width + element.GetTextLength() < para_width)
{
writer.WriteElement(element);
cur_width += element.GetTextLength();
}
else
{
writer.WriteElement(eb.CreateTextNewLine()); // New line
text = para.Substring(text_run, text_run_end - text_run + 1);
element = eb.CreateTextRun(text);
cur_width = element.GetTextLength();
writer.WriteElement(element);
}
text_run = text_run_end + 1;
}
// -----------------------------------------------------------------------
// The following code snippet illustrates how to adjust spacing between
// characters (text runs).
element = eb.CreateTextNewLine();
writer.WriteElement(element); // Skip 2 lines
writer.WriteElement(element);
writer.WriteElement(eb.CreateTextRun("An example of space adjustments between inter-characters:"));
writer.WriteElement(eb.CreateTextNewLine());
// Write string "AWAY" without space adjustments between characters.
element = eb.CreateTextRun("AWAY");
writer.WriteElement(element);
writer.WriteElement(eb.CreateTextNewLine());
// Write string "AWAY" with space adjustments between characters.
element = eb.CreateTextRun("A");
writer.WriteElement(element);
element = eb.CreateTextRun("W");
element.SetPosAdjustment(140);
writer.WriteElement(element);
element = eb.CreateTextRun("A");
element.SetPosAdjustment(140);
writer.WriteElement(element);
element = eb.CreateTextRun("Y again");
element.SetPosAdjustment(115);
writer.WriteElement(element);
// Draw the same strings using direct content output...
writer.Flush(); // flush pending Element writing operations.
// You can also write page content directly to the content stream using
// ElementWriter.WriteString(...) and ElementWriter.WriteBuffer(...) methods.
// Note that if you are planning to use these functions you need to be familiar
// with PDF page content operators (see Appendix A in PDF Reference Manual).
// Because it is easy to make mistakes during direct output we recommend that
// you use ElementBuilder and Element interface instead.
writer.WriteString("T* T* "); // New Lines
// writer.WriteElement(eb.CreateTextNewLine());
writer.WriteString("(Direct output to PDF page content stream:) Tj T* ");
writer.WriteString("(AWAY) Tj T* ");
writer.WriteString("[(A)140(W)140(A)115(Y again)] TJ ");
// Finish the block of text
writer.WriteElement(eb.CreateTextEnd());
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Start a new page ------------------------------------
// Image Masks
//
// In the opaque imaging model, images mark all areas they occupy on the page as
// if with opaque paint. All portions of the image, whether black, white, gray,
// or color, completely obscure any marks that may previously have existed in the
// same place on the page.
// In the graphic arts industry and page layout applications, however, it is common
// to crop or 'mask out' the background of an image and then place the masked image
// on a different background, allowing the existing background to show through the
// masked areas. This sample illustrates how to use image masks.
page = doc.PageCreate();
writer.Begin(page); // begin writing to the page
// Create the Image Mask
MappedFile imgf = new MappedFile(input_path + "imagemask.dat");
FilterReader mask_read = new FilterReader(imgf);
ColorSpace device_gray = ColorSpace.CreateDeviceGray();
Image mask = Image.Create(doc, mask_read, 64, 64, 1, device_gray, Image.InputFilter.e_ascii_hex);
mask.GetSDFObj().PutBool("ImageMask", true);
element = eb.CreateRect(0, 0, 612, 794);
element.SetPathStroke(false);
element.SetPathFill(true);
element.GetGState().SetFillColorSpace(device_gray);
element.GetGState().SetFillColor(new ColorPt(0.8));
writer.WritePlacedElement(element);
element = eb.CreateImage(mask, new Matrix2D(200, 0, 0, -200, 40, 680));
element.GetGState().SetFillColor(new ColorPt(0.1));
writer.WritePlacedElement(element);
element.GetGState().SetFillColorSpace(ColorSpace.CreateDeviceRGB());
element.GetGState().SetFillColor(new ColorPt(1, 0, 0));
element = eb.CreateImage(mask, new Matrix2D(200, 0, 0, -200, 320, 680));
writer.WritePlacedElement(element);
element.GetGState().SetFillColor(new ColorPt(0, 1, 0));
element = eb.CreateImage(mask, new Matrix2D(200, 0, 0, -200, 40, 380));
writer.WritePlacedElement(element);
{
// This sample illustrates Explicit Masking.
img = Image.Create(doc, input_path + "peppers.jpg");
// mask is the explicit mask for the primary (base) image
img.SetMask(mask);
element = eb.CreateImage(img, new Matrix2D(200, 0, 0, -200, 320, 380));
writer.WritePlacedElement(element);
}
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// Transparency sample ----------------------------------
// Start a new page -------------------------------------
page = doc.PageCreate();
writer.Begin(page); // begin writing to this page
eb.Reset(); // Reset the GState to default
// Write some transparent text at the bottom of the page.
element = eb.CreateTextBegin(Font.Create(doc, Font.StandardType1Font.e_times_roman), 100);
// Set the text knockout attribute. Text knockout must be set outside of
// the text group.
gstate = element.GetGState();
gstate.SetTextKnockout(false);
gstate.SetBlendMode(GState.BlendMode.e_bl_difference);
writer.WriteElement(element);
element = eb.CreateTextRun("Transparency");
element.SetTextMatrix(1, 0, 0, 1, 30, 30);
gstate = element.GetGState();
gstate.SetFillColorSpace(ColorSpace.CreateDeviceCMYK());
gstate.SetFillColor(new ColorPt(1, 0, 0, 0));
gstate.SetFillOpacity(0.5);
writer.WriteElement(element);
// Write the same text on top the old; shifted by 3 points
element.SetTextMatrix(1, 0, 0, 1, 33, 33);
gstate.SetFillColor(new ColorPt(0, 1, 0, 0));
gstate.SetFillOpacity(0.5);
writer.WriteElement(element);
writer.WriteElement(eb.CreateTextEnd());
// Draw three overlapping transparent circles.
eb.PathBegin(); // start constructing the path
eb.MoveTo(459.223, 505.646);
eb.CurveTo(459.223, 415.841, 389.85, 343.04, 304.273, 343.04);
eb.CurveTo(218.697, 343.04, 149.324, 415.841, 149.324, 505.646);
eb.CurveTo(149.324, 595.45, 218.697, 668.25, 304.273, 668.25);
eb.CurveTo(389.85, 668.25, 459.223, 595.45, 459.223, 505.646);
element = eb.PathEnd();
element.SetPathFill(true);
gstate = element.GetGState();
gstate.SetFillColorSpace(ColorSpace.CreateDeviceRGB());
gstate.SetFillColor(new ColorPt(0, 0, 1)); // Blue Circle
gstate.SetBlendMode(GState.BlendMode.e_bl_normal);
gstate.SetFillOpacity(0.5);
writer.WriteElement(element);
// Translate relative to the Blue Circle
gstate.SetTransform(1, 0, 0, 1, 113, -185);
gstate.SetFillColor(new ColorPt(0, 1, 0)); // Green Circle
gstate.SetFillOpacity(0.5);
writer.WriteElement(element);
// Translate relative to the Green Circle
gstate.SetTransform(1, 0, 0, 1, -220, 0);
gstate.SetFillColor(new ColorPt(1, 0, 0)); // Red Circle
gstate.SetFillOpacity(0.5);
writer.WriteElement(element);
writer.End(); // save changes to the current page
doc.PagePushBack(page);
// End page ------------------------------------
}
doc.Save(output_path + "element_builder.pdf", SDFDoc.SaveOptions.e_remove_unused);
Console.WriteLine("Done. Result saved in element_builder.pdf...");
}
}
catch (PDFNetException e)
{
Console.WriteLine(e.Message);
}
}
/// <summary>
//-----------------------------------------------------------------------------------
// This sample illustrates how to embed various raster image formats
// (e.g. TIFF, JPEG, JPEG2000, JBIG2, GIF, PNG, BMP, etc.) in a PDF document.
//-----------------------------------------------------------------------------------
/// </summary>
static void Main(string[] args)
{
PDFNet.Initialize();
// Relative path to the folder containing test files.
string input_path = "../../TestFiles/";
string output_path = "../../TestFiles/Output/";
try
{
using (PDFDoc doc = new PDFDoc())
using (ElementBuilder bld = new ElementBuilder()) // Used to build new Element objects
using (ElementWriter writer = new ElementWriter()) // Used to write Elements to the page
{
Page page = doc.PageCreate(); // Start a new page
writer.Begin(page); // Begin writing to this page
// ----------------------------------------------------------
// Embed a JPEG image to the output document.
Image img = Image.Create(doc, input_path + "peppers.jpg");
// You can also directly add any .NET Bitmap. The following commented-out code
// is equivalent to the above line:
// System.Drawing.Bitmap bmp;
// System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(input_path + "peppers.jpg");
// Image img = Image.Create(doc, bmp);
Element element = bld.CreateImage(img, 50, 500, img.GetImageWidth() / 2, img.GetImageHeight() / 2);
writer.WritePlacedElement(element);
// ----------------------------------------------------------
// Add a PNG image to the output file
img = Image.Create(doc, input_path + "butterfly.png");
element = bld.CreateImage(img, new Matrix2D(100, 0, 0, 100, 300, 500));
writer.WritePlacedElement(element);
// ----------------------------------------------------------
// Add a GIF image to the output file
img = Image.Create(doc, input_path + "pdfnet.gif");
element = bld.CreateImage(img, new Matrix2D(img.GetImageWidth(), 0, 0, img.GetImageHeight(), 50, 350));
writer.WritePlacedElement(element);
// ----------------------------------------------------------
// Add a TIFF image to the output file
img = Image.Create(doc, input_path + "grayscale.tif");
element = bld.CreateImage(img, new Matrix2D(img.GetImageWidth(), 0, 0, img.GetImageHeight(), 10, 50));
writer.WritePlacedElement(element);
writer.End(); // Save the page
doc.PagePushBack(page); // Add the page to the document page sequence
// ----------------------------------------------------------
// Add a BMP image to the output file
/*
* bmp = new System.Drawing.Bitmap(input_path + "pdftron.bmp");
* img = Image.Create(doc, bmp);
* element = bld.CreateImage(img, new Matrix2D(bmp.Width, 0, 0, bmp.Height, 255, 700));
* writer.WritePlacedElement(element);
*
* writer.End(); // Finish writing to the page
* doc.PagePushBack(page);
*/
// ----------------------------------------------------------
// Embed a monochrome TIFF. Compress the image using lossy JBIG2 filter.
page = doc.PageCreate(new pdftron.PDF.Rect(0, 0, 612, 794));
writer.Begin(page); // begin writing to this page
// Note: encoder hints can be used to select between different compression methods.
// For example to instruct PDFNet to compress a monochrome image using JBIG2 compression.
ObjSet hint_set = new ObjSet();
Obj enc = hint_set.CreateArray(); // Initialize encoder 'hint' parameter
enc.PushBackName("JBIG2");
enc.PushBackName("Lossy");
img = pdftron.PDF.Image.Create(doc, input_path + "multipage.tif", enc);
element = bld.CreateImage(img, new Matrix2D(612, 0, 0, 794, 0, 0));
writer.WritePlacedElement(element);
writer.End(); // Save the page
doc.PagePushBack(page); // Add the page to the document page sequence
// ----------------------------------------------------------
// Add a JPEG2000 (JP2) image to the output file
// Create a new page
page = doc.PageCreate();
writer.Begin(page); // Begin writing to the page
// Embed the image.
img = pdftron.PDF.Image.Create(doc, input_path + "palm.jp2");
// Position the image on the page.
element = bld.CreateImage(img, new Matrix2D(img.GetImageWidth(), 0, 0, img.GetImageHeight(), 96, 80));
writer.WritePlacedElement(element);
// Write 'JPEG2000 Sample' text string under the image.
writer.WriteElement(bld.CreateTextBegin(pdftron.PDF.Font.Create(doc, pdftron.PDF.Font.StandardType1Font.e_times_roman), 32));
element = bld.CreateTextRun("JPEG2000 Sample");
element.SetTextMatrix(1, 0, 0, 1, 190, 30);
writer.WriteElement(element);
writer.WriteElement(bld.CreateTextEnd());
writer.End(); // Finish writing to the page
doc.PagePushBack(page);
doc.Save(output_path + "addimage.pdf", SDFDoc.SaveOptions.e_linearized);
Console.WriteLine("Done. Result saved in addimage.pdf...");
}
}
catch (PDFNetException e)
{
Console.WriteLine(e.Message);
}
}
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main(string[] args)
{
// The first step in every application using PDFNet is to initialize the
// library and set the path to common PDF resources. The library is usually
// initialized only once, but calling Initialize() multiple times is also fine.
PDFNet.Initialize();
// Relative path to the folder containing test files.
string input_path = "../../TestFiles/";
string output_path = "../../TestFiles/Output/";
try
{
// Open the PDF document.
using (PDFDoc doc = new PDFDoc(input_path + "newsletter.pdf"))
using (ElementBuilder bld = new ElementBuilder()) // Used to build new Element objects
using (ElementWriter writer = new ElementWriter()) // Used to write Elements to the page
{
UndoManager undo_manager = doc.GetUndoManager();
// Take a snapshot to which we can undo after making changes.
ResultSnapshot snap0 = undo_manager.TakeSnapshot();
DocSnapshot snap0_state = snap0.CurrentState();
Page page = doc.PageCreate(); // Start a new page
writer.Begin(page); // Begin writing to this page
// ----------------------------------------------------------
// Add JPEG image to the file
Image img = Image.Create(doc, input_path + "peppers.jpg");
Element element = bld.CreateImage(img, new Matrix2D(200, 0, 0, 250, 50, 500));
writer.WritePlacedElement(element);
writer.End(); // Finish writing to the page
doc.PagePushFront(page);
// Take a snapshot after making changes, so that we can redo later (after undoing first).
ResultSnapshot snap1 = undo_manager.TakeSnapshot();
if (snap1.PreviousState().Equals(snap0_state))
{
Console.WriteLine("snap1 previous state equals snap0_state; previous state is correct");
}
DocSnapshot snap1_state = snap1.CurrentState();
doc.Save(output_path + "addimage.pdf", SDFDoc.SaveOptions.e_incremental);
if (undo_manager.CanUndo())
{
ResultSnapshot undo_snap = undo_manager.Undo();
doc.Save(output_path + "addimage_undone.pdf", SDFDoc.SaveOptions.e_incremental);
DocSnapshot undo_snap_state = undo_snap.CurrentState();
if (undo_snap_state.Equals(snap0_state))
{
Console.WriteLine("undo_snap_state equals snap0_state; undo was successful");
}
if (undo_manager.CanRedo())
{
ResultSnapshot redo_snap = undo_manager.Redo();
doc.Save(output_path + "addimage_redone.pdf", SDFDoc.SaveOptions.e_incremental);
if (redo_snap.PreviousState().Equals(undo_snap_state))
{
Console.WriteLine("redo_snap previous state equals undo_snap_state; previous state is correct");
}
DocSnapshot redo_snap_state = redo_snap.CurrentState();
if (redo_snap_state.Equals(snap1_state))
{
Console.WriteLine("Snap1 and redo_snap are equal; redo was successful");
}
}
else
{
Console.WriteLine("Problem encountered - cannot redo.");
}
}
else
{
Console.WriteLine("Problem encountered - cannot undo.");
}
}
}
catch (PDFNetException e)
{
Console.WriteLine(e.Message);
}
}
static void Create3DAnnotation(PDFDoc doc, Obj annots)
{
// ---------------------------------------------------------------------------------
// Create a 3D annotation based on U3D content. PDF 1.6 introduces the capability
// for collections of three-dimensional objects, such as those used by CAD software,
// to be embedded in PDF files.
Obj link_3D = doc.CreateIndirectDict();
link_3D.PutName("Subtype", "3D");
// Annotation location on the page
Rect bbox = new Rect(25, 180, 585, 643);
link_3D.PutRect("Rect", bbox.x1, bbox.y1, bbox.x2, bbox.y2);
annots.PushBack(link_3D);
// The 3DA entry is an activation dictionary (see Table 9.34 in the PDF Reference Manual)
// that determines how the state of the annotation and its associated artwork can change.
Obj activation_dict_3D = link_3D.PutDict("3DA");
// Set the annotation so that it is activated as soon as the page containing the
// annotation is opened. Other options are: PV (page view) and XA (explicit) activation.
activation_dict_3D.PutName("A", "PO");
// Embed U3D Streams (3D Model/Artwork).
MappedFile u3d_file = new MappedFile(input_path + "dice.u3d");
FilterReader u3d_reader = new FilterReader(u3d_file);
Obj u3d_data_dict = doc.CreateIndirectStream(u3d_reader);
u3d_data_dict.PutName("Subtype", "U3D");
link_3D.Put("3DD", u3d_data_dict);
// Set the initial view of the 3D artwork that should be used when the annotation is activated.
Obj view3D_dict = link_3D.PutDict("3DV");
view3D_dict.PutString("IN", "Unnamed");
view3D_dict.PutString("XN", "Default");
view3D_dict.PutName("MS", "M");
view3D_dict.PutNumber("CO", 27.5);
// A 12-element 3D transformation matrix that specifies a position and orientation
// of the camera in world coordinates.
Obj tr3d = view3D_dict.PutArray("C2W");
tr3d.PushBackNumber(1); tr3d.PushBackNumber(0); tr3d.PushBackNumber(0);
tr3d.PushBackNumber(0); tr3d.PushBackNumber(0); tr3d.PushBackNumber(-1);
tr3d.PushBackNumber(0); tr3d.PushBackNumber(1); tr3d.PushBackNumber(0);
tr3d.PushBackNumber(0); tr3d.PushBackNumber(-27.5); tr3d.PushBackNumber(0);
// Create annotation appearance stream, a thumbnail which is used during printing or
// in PDF processors that do not understand 3D data.
Obj ap_dict = link_3D.PutDict("AP");
ElementBuilder builder = new ElementBuilder();
ElementWriter writer = new ElementWriter();
writer.Begin(doc);
writer.WritePlacedElement(builder.CreateImage(
Image.Create(doc, input_path + "dice.jpg"),
0, 0, bbox.Width(), bbox.Height()));
Obj normal_ap_stream = writer.End();
normal_ap_stream.PutName("Subtype", "Form");
normal_ap_stream.PutRect("BBox", 0, 0, bbox.Width(), bbox.Height());
ap_dict.Put("N", normal_ap_stream);
}