public static void Main(string[] args)
{
try {
var rawFileName = args[0];
var pngFileName = Path.ChangeExtension(rawFileName, "png");
//using (var raw = RawImage.FromFile(rawFileName))
//using (var bitmap = raw.ToBitmap()) {
// bitmap.Save(pngFileName, ImageFormat.Png);
//}
var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(rawFileName);
using (var raw = RawImage.FromFile(rawFileName)) {
using (var bitmapStream = raw.ToBitmapStream())
using (var target = File.Create(fileNameWithoutExtension + "_stream.bmp")) {
bitmapStream.CopyTo(target);
}
//using (var bitmap = raw.ToBitmap()) {
// bitmap.Save(fileNameWithoutExtension + ".bmp", ImageFormat.Bmp);
//}
}
}
catch (Exception ex) {
Console.ForegroundColor = ConsoleColor.Red;
Console.Error.Write(ex);
Console.ResetColor();
}
}
public void CreatePDF(Stream stream)
{
var doc = new GcPdfDocument();
// PDF format allows to insert JPEG and JPEG2000 images into the document 'as is',
// without converting to PDF native image formats. To do that in GcPdf,
// the RawImage class can be used, as the code below demonstrates.
//
// Create instances of RawImage from JPEG files:
using (var image = RawImage.FromFile(Path.Combine("Resources", "Images", "puffins.jpg"), RawImageFormat.Jpeg, 800, 532))
using (var imageSmall = RawImage.FromFile(Path.Combine("Resources", "ImagesBis", "puffins-small.jpg"), RawImageFormat.Jpeg, 144, 96))
{
// Text format used to draw captions:
TextFormat tf = new TextFormat()
{
Font = StandardFonts.Times, FontSize = 12
};
// Action to draw the image using various options:
Action <RawImage, Page, ImageAlign, bool> drawImage = (image_, page_, ia_, clip_) =>
{
var rect = new RectangleF(72, 72, 72 * 4, 72 * 4);
var clipped = clip_ ? "clipped to a 4\"x4\" rectangle" : "without clipping";
var align = ia_ == ImageAlign.Default ? "ImageAlign.Default" :
ia_ == ImageAlign.CenterImage ? "ImageAlign.CenterImage" :
ia_ == ImageAlign.StretchImage ? "ImageAlign.StretchImage" : "custom ImageAlign";
// Draw image caption:
page_.Graphics.DrawString($"Page {doc.Pages.IndexOf(page_) + 1}: Image drawn at (1\",1\"), {clipped}, using {align}:", tf, new PointF(72, 36));
var clip = clip_ ? new Nullable <RectangleF>(rect) : new Nullable <RectangleF>();
// Draw the image:
page_.Graphics.DrawImage(image_, rect, clip, ia_, out RectangleF[] imageRects);
// Show the image outline:
page_.Graphics.DrawRectangle(imageRects[0], Color.Red, 1, null);
// Show image/clip area:
page_.Graphics.DrawRectangle(rect, Color.Blue, 1, null);
};
// The ImageAlign class provides various image alignment options.
// It also defines a few static instances with some commonly used
// combinations of options demonstrated below.
// Page 1: draw image without clipping, with default alignment:
drawImage(image, doc.NewPage(), ImageAlign.Default, false);
// Page 2: draw image with clipping, with default alignment:
drawImage(image, doc.NewPage(), ImageAlign.Default, true);
// Page 3: draw image with clipping, with CenterImage alignment:
drawImage(image, doc.NewPage(), ImageAlign.CenterImage, true);
// Page 4: draw image without clipping and stretched image:
drawImage(image, doc.NewPage(), ImageAlign.StretchImage, false);
// Page 5: draw image without clipping, fit into the rectangle, preserving aspect ratio:
ImageAlign ia = new ImageAlign(ImageAlignHorz.Center, ImageAlignVert.Center, true, true, true, false, false);
drawImage(image, doc.NewPage(), ia, false);
// Page 6: draw a small image tiled, without clipping, fit into the rectangle, preserving aspect ratio:
ia = new ImageAlign(ImageAlignHorz.Left, ImageAlignVert.Top, false, false, true, true, true);
drawImage(imageSmall, doc.NewPage(), ia, false);
// Done:
doc.Save(stream);
}
}
