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Images

GcPdf allows you to draw an image on a page using DrawImage method of the GcGraphics class. You can load an image from a file or using a stream. The library supports various image formats, such as BMP, GIF (single frame only), JPEG, SVG, and PNG. Additionally, on Windows, TIFF, JpegXR, and ICO formats are also supported.

While rendering a single image object repeatedly in a GcPdfDocument instance, GcPdf automatically stores the image in a dictionary and reuses the same object throughout the document. This lets you create PDF files of optimum size at a faster pace as it saves time and uses cache to load the same image multiple times. This feature stands very beneficial when rendering document that contains company logo in its repeating page header.

In addition, GcPdf library provides ImageAlign class to let you align images in different ways using properties such as AlignHorz, AlignVert, BestFit, TileHorz, etc. The library also allows you to control the image quality such as compressing color values, setting JPEG image quality, etc. through ImageOptions property available in the GcPdfDocument class.

PDF Images

Add Image From File

To add an image in a PDF document, load the image in your application using Image.FromFile method. This method will store the image in an object of Image class. Once, the image is added, you can use the DrawImage method provided by the GcGraphics class to render the image.

public void CreatePDF(Stream stream)
{
    GcPdfDocument doc = new GcPdfDocument();
    var page = doc.NewPage();
    var g = page.Graphics;
    // Add image to the application

    var image = GrapeCity.Documents.Drawing.Image.FromFile
     (Path.Combine("Resources", "Images", "clouds.jpg"));

    // Use DrawImage to render the image
    g.DrawImage(image, new RectangleF(30.6F, 30.7F, 40.8F, 100.9F), 
        null, ImageAlign.CenterImage);
    // Save the PDF file
    doc.Save(stream);
}

Add Image From Stream

To add an image in a PDF document using stream, you need to store image in a stream using Image.FromStream method. Once the image is stored, it can be added to the application. Then, you can use the DrawImage method provided by the GcGraphics class to render the image.

public void CreatePDF(Stream stream)
{
GcPdfDocument doc = new GcPdfDocument();
var page = doc.NewPage();
var g = page.Graphics;
string fileName = @"C:\Users\Admin\Desktop\clouds.png";
FileStream fs = new FileStream(fileName, System.IO.FileMode.Open);

// Add image to the application
var image = GrapeCity.Documents.Drawing.Image.FromStream(fs);
// Use DrawImage to render the image
g.DrawImage(image, new RectangleF(30.6F, 30.7F, 40.8F, 100.9F), null, ImageAlign.CenterImage);
// Save the PDF file
doc.Save(stream);
}

Remove Images

GcPdf provides RemoveImages method in GcPdfDocument class to remove all or some of the images from the PDF document. GetImages method and its overloads in GcPdfDocument class help to retrieve images from a PDF document. This includes images embedded within content streams such as Pages and FormXObjects, as well as images directly referenced by WidgetAnnotation objects through WidgetAnnotation.ButtonAppearance.Image, WidgetAnnotation.ButtonAppearance.RolloverAppearance.Image, and WidgetAnnotation.ButtonAppearance.DownAppearance.Image properties. GetImages method can retrieve images referenced by WidgetAnnotation objects using PdfImageInfo.WidgetReferences property.

PdfImageLocation class provides Annotation and FormXObject properties that indicate the positions of images referenced in an Annotation or FormXObject. These properties are non-null if the annotation appearance stream incorporates the image. Additionally, by default, the GetImages method also retrieves images that are unused within the document. Unused images are those that appear in resource dictionaries but are not used in content streams or mentioned in any of the properties.

Example 1:

Refer to the example code to remove all images from the PDF document:

// Initialize GcPdfDocument.
GcPdfDocument doc = new GcPdfDocument();

// Load PDF file with images.
var stream = new FileStream("ImageTestCommon_E-0.pdf", FileMode.Open);
doc.Load(stream);

// Get all the images.
var images = doc.GetImages();

// Remove all images.
doc.RemoveImages(images);

// Save the PDF document.
doc.Save("RemovedAllImages.pdf");

Example 2:

// Initialize GcPdfDocument.
GcPdfDocument doc = new GcPdfDocument();

// Load PDF file with images.
var stream = new FileStream("ImageTestCommon_E-0.pdf", FileMode.Open);
doc.Load(stream);

// Get all the images.
var images = doc.GetImages();

// Remove first image.
doc.RemoveImages(new PdfImageInfo[] { images[0] });

// Save the PDF document.
doc.Save("RemovedFirstImage.pdf");

Example 3:

Refer to the following example code to remove the first image from all locations except for the first index (0):

// Initialize GcPdfDocument.
GcPdfDocument doc = new GcPdfDocument();

// Load PDF file with images.
var stream = new FileStream("ImageTestCommon_E-0.pdf", FileMode.Open);
doc.Load(stream);

// Get all the images.
var images = doc.GetImages();

// Fetch information about first image.
PdfImageInfo pii = images[0];

// Select image range.
pii.Locations.RemoveRange(1, 2);

// Remove from all locations except for first.
doc.RemoveImages(new PdfImageInfo[] { pii });

// Save the PDF document.
doc.Save("RemoveExceptFirstIndexImage.pdf");

Example 4:

Refer to the following example code to remove the first image completely from all locations and widget references:

// Initialize GcPdfDocument.
GcPdfDocument doc = new GcPdfDocument();

// Load PDF file with images.
var stream = new FileStream("ImageTestCommon_E-0.pdf", FileMode.Open);
doc.Load(stream);

// Get all the images.
var images = doc.GetImages();

// Remove first image completely.
doc.RemoveImages(new PdfImageInfo[] { new PdfImageInfo(images[0].Image) });

// Save the PDF document.
doc.Save("RemoveFirstImageCompletely.pdf");

Set Image Opacity

To render an image with a specified transparency, you can add an image to a PDF document using the DrawImage method that takes opacity as one of the parameters.

//Create a basic pdf
GcPdfDocument doc = new GcPdfDocument();
GcPdfGraphics g = doc.NewPage().Graphics;
g.DrawString("A sample document showing an image with controlled opacity.",
    new TextFormat() { Font = StandardFonts.Times, FontSize = 12 }, new PointF(72, 72));
            
//Add an image by controlling its opacity
var image = RawImage.FromFile(Path.Combine("Resources", "sea.jpg"), 
                              RawImageFormat.Jpeg, 800, 532);
ImageAlign ia = new ImageAlign(ImageAlignHorz.Center, ImageAlignVert.Center, 
                               true, true, true, false, false);
g.DrawImage(image, new RectangleF(100, 100, 180, 100), null, ImageAlign.ScaleImage,0.3F);

        
//Save the final pdf
doc.Save("AddImage_Opacity.pdf"); 

Console.WriteLine("Press any key to exit");
Console.ReadKey();

Extract Image

To extract an image from a PDF document, use GetImages method:

  1. Load a PDF document containing image using Load method of the GcPdfDocument class.

  2. Extract the image(s) from the PDF document using GetImages method of the GcPdfDocument class.

  3. Draw the extracted image(s) on another PDF document using the Graphics.DrawImage method.

  4. Save the document using Save method of the GcPdfDocument class.

    using (FileStream fs = new FileStream(Path.Combine("Resources", "Wetlands.pdf"),
       FileMode.Open, FileAccess.Read))
{
    GcPdfDocument docSrc = new GcPdfDocument();

    // Load an existing PDF with some images
    docSrc.Load(fs);

    //Extract information about images from the loaded PDF
     var imageInfos = docSrc.GetImages();

    GcPdfDocument doc = new GcPdfDocument();
    var textPt = new PointF(72, 72);

    foreach (var imageInfo in imageInfos)
    {
        // The same image may appear on multiple locations, 
        // imageInfo includes page indices and locations on pages;

        var g = doc.NewPage().Graphics;
        g.DrawImage(imageInfo.Image, new RectangleF(10,0,400,400), null, ImageAlign.ScaleImage);
    }
    doc.Save("ExtractImage.pdf");
}
Console.WriteLine("Press any key to exit");
Console.ReadKey();

For more information about implementation of images using GcPdf, see GcPdf sample browser.

Create SVG Image using Code

To create an SVG image using code:

  1. Create a new SVG document by creating an instance of GcSvgDocument.

  2. Create an instance of SvgPathBuilder class. This class provides methods to execute the path commands.

  3. Define the path to draw the outline of shape to be drawn on SVG using methods such as AddMoveTo and AddCurveTo.

  4. Add these elements into root collection of 'svg' element using the Add method.

  5. Provide the SvgPathData using ToPathData method of the SvgPathBuilder class which represents sequence of instructions for drawing the path.

  6. Define other properties of each path such as, Fill, Stroke etc.

  7. Save the document as SVG by using Save method of the GcSvgDocument class.

    public static GcSvgDocument DrawCarrot()
{
    // Create a new SVG document
    var doc = new GcSvgDocument();
    var svg = doc.RootSvg;
    svg.ViewBox = new SvgViewBox(0, 0, 313.666f, 164.519f);

    //Create an instance of SvgPathBuilder class. 
    var pb = new SvgPathBuilder();

    //Define the path
    pb.AddMoveTo(false, 29.649f, 9.683f);
    pb.AddCurveTo(true, -2.389f, -0.468f, -4.797f, 2.57f, -6.137f, 5.697f);
    pb.AddCurveTo(true, 2.075f, -2.255f, 3.596f, -1.051f, 4.91, 5f, -0.675f);
    pb.AddCurveTo(true, -2.122f, 2.795f, -4f, 5.877f, -7.746f, 5.568f);
    pb.AddCurveTo(true, 2.384f, -6.014f, 2.963f, -12.977f, 0.394f, -17.78f);
    pb.AddCurveTo(true, -1.296f, 2.591f, -1.854f, 6.054f, -5.204f, 7.395f);
    pb.AddCurveTo(true, 3.575f, 2.455f, 0.986f, 7.637f, 1.208f, 11.437f);
    pb.AddCurveTo(false, 11.967f, 21.17f, 6.428f, 16.391f, 9.058f, 10.67f);
    pb.AddCurveTo(true, -3.922f, 8.312f, -2.715f, 19.745f, 4.363f, 22.224f);
    pb.AddCurveTo(true, -3.86f, 4.265f, -2.204f, 10.343f, 0.209f, 13.781f);
    pb.AddCurveTo(true, -0.96f, 1.808f, -1.83f, 2.546f, -3.774f, 3.195f);
    pb.AddCurveTo(true, 3.376f, 1.628f, 6.612f, 4.866f, 11.326f, 3.366f);
    pb.AddCurveTo(true, -1.005f, 2.345f, -12.389f, 9.499f, -15.16f, 10.35f);
    pb.AddCurveTo(true, 3.216f, 0.267f, 14.492f, -2.308f, 16.903f, -5.349f);
    pb.AddCurveTo(true, -1.583f, 2.84f, 1.431f, 2.28f, 2.86f, 4.56f);
    pb.AddCurveTo(true, 1.877f, -3.088f, 3.978f, -2.374f, 5.677f, -3.311f);
    pb.AddCurveTo(true, -0.406f, 4.826f, -2.12f, 9.27f, -5.447f, 13.582f);
    pb.AddCurveTo(true, 2.834f, -4.894f, 6.922f, -5.367f, 10.474f, -5.879f);
    pb.AddCurveTo(true, -0.893f, 4.245f, -3.146f, 8.646f, -7.077f, 10.479f);
    pb.AddCurveTo(true, 5.359f, 0.445f, 11.123f, -3.934f, 13.509f, -9.944f);
    pb.AddCurveTo(true, 12.688f, 3.209f, 28.763f, -1.932f, 39.894f, 7.084f);
    pb.AddCurveTo(true, 1.024f, 0.625f, 1.761f, -4.98f, 1.023f, -5.852f);
    pb.AddCurveTo(false, 72.823f, 55.357f, 69.273f, 68.83f, 52.651f, 54.498f);
    pb.AddCurveTo(true, -0.492f, -0.584f, 1.563f, -5.81f, 1f, -8.825f);
    pb.AddCurveTo(true, -1.048f, -3.596f, -3.799f, -6.249f, -7.594f, -6.027f);
    pb.AddCurveTo(true, -2.191f, 0.361f, -5.448f, 0.631f, -7.84f, 0.159f);
    pb.AddCurveTo(true, 2.923f, -5.961f, 9.848f, -4.849f, 12.28f, -11.396f);
    pb.AddCurveTo(true, -4.759f, 2.039f, -7.864f, -2.808f, -12.329f, -1.018f);
    pb.AddCurveTo(true, 1.63f, -3.377f, 4.557f, -2.863f, 6.786f, -3.755f);
    pb.AddCurveTo(true, -3.817f, -2.746f, -9.295f, -5.091f, -14.56f, -0.129f);
    pb.AddCurveTo(false, 33.228f, 18.615f, 32.064f, 13.119f, 29.649f, 9.683f);

    //Add elements into Children collection of SVG 
    svg.Children.Add(new SvgPathElement()
    {
        FillRule = SvgFillRule.EvenOdd,
        Fill = new SvgPaint(Color.FromArgb(0x43, 0x95, 0x39)),
        PathData = pb.ToPathData(),
    });

    pb.Reset();
    pb.AddMoveTo(false, 29.649f, 9.683f);
    pb.AddCurveTo(true, -2.389f, -0.468f, -4.797f, 2.57f, -6.137f, 5.697f);
    pb.AddCurveTo(true, 2.075f, -2.255f, 3.596f, -1.051f, 4.915f, -0.675f);
    pb.AddCurveTo(true, -2.122f, 2.795f, -4f, 5.877f, -7.746f, 5.568f);
    pb.AddCurveTo(true, 2.384f, -6.014f, 2.963f, -12.977f, 0.394f, -17.78f);
    pb.AddCurveTo(true, -1.296f, 2.591f, -1.854f, 6.054f, -5.204f, 7.395f);
    pb.AddCurveTo(true, 3.575f, 2.455f, 0.986f, 7.637f, 1.208f, 11.437f);
    pb.AddCurveTo(false, 11.967f, 21.17f, 6.428f, 16.391f, 9.058f, 10.67f);
    pb.AddCurveTo(true, -3.922f, 8.312f, -2.715f, 19.745f, 4.363f, 22.224f);
    pb.AddCurveTo(true, -3.86f, 4.265f, -2.204f, 10.343f, 0.209f, 13.781f);
    pb.AddCurveTo(true, -0.96f, 1.808f, -1.83f, 2.546f, -3.774f, 3.195f);
    pb.AddCurveTo(true, 3.376f, 1.628f, 6.612f, 4.866f, 11.326f, 3.366f);
    pb.AddCurveTo(true, -1.005f, 2.345f, -12.389f, 9.499f, -15.16f, 10.35f);
    pb.AddCurveTo(true, 3.216f, 0.267f, 14.492f, -2.308f, 16.903f, -5.349f);
    pb.AddCurveTo(true, -1.583f, 2.84f, 1.431f, 2.28f, 2.86f, 4.56f);
    pb.AddCurveTo(true, 1.877f, -3.088f, 3.978f, -2.374f, 5.677f, -3.311f);
    pb.AddCurveTo(true, -0.406f, 4.826f, -2.12f, 9.27f, -5.447f, 13.582f);
    pb.AddCurveTo(true, 2.834f, -4.894f, 6.922f, -5.367f, 10.474f, -5.879f);
    pb.AddCurveTo(true, -0.893f, 4.245f, -3.146f, 8.646f, -7.077f, 10.479f);
    pb.AddCurveTo(true, 5.359f, 0.445f, 11.123f, -3.934f, 13.509f, -9.944f);
    pb.AddCurveTo(true, 12.688f, 3.209f, 28.763f, -1.932f, 39.894f, 7.084f);
    pb.AddCurveTo(true, 1.024f, 0.625f, 1.761f, -4.98f, 1.023f, -5.852f);
    pb.AddCurveTo(false, 72.823f, 55.357f, 69.273f, 68.83f, 52.651f, 54.498f);
    pb.AddCurveTo(true, -0.492f, -0.584f, 1.563f, -5.81f, 1f, -8.825f);
    pb.AddCurveTo(true, -1.048f, -3.596f, -3.799f, -6.249f, -7.594f, -6.027f);
    pb.AddCurveTo(true, -2.191f, 0.361f, -5.448f, 0.631f, -7.84f, 0.159f);
    pb.AddCurveTo(true, 2.923f, -5.961f, 9.848f, -4.849f, 12.28f, -11.396f);
    pb.AddCurveTo(true, -4.759f, 2.039f, -7.864f, -2.808f, -12.329f, -1.018f);
    pb.AddCurveTo(true, 1.63f, -3.377f, 4.557f, -2.863f, 6.786f, -3.755f);
    pb.AddCurveTo(true, -3.817f, -2.746f, -9.295f, -5.091f, -14.56f, -0.129f);
    pb.AddCurveTo(false, 33.228f, 18.615f, 32.064f, 13.119f, 29.649f, 9.683f);
    pb.AddClosePath();
    //Add elements into Children collection of SVG 
    svg.Children.Add(new SvgPathElement()
    {
        Fill = SvgPaint.None,
        Stroke = new SvgPaint(Color.Black),
        StrokeWidth = new SvgLength(2.292f),
        StrokeMiterLimit = 14.3f,
        PathData = pb.ToPathData(),
    });

    pb.Reset();
    pb.AddMoveTo(false, 85.989f, 101.047f);
    pb.AddCurveTo(true, 0f, 0f, 3.202f, 3.67f, 8.536f, 4.673f);
    pb.AddCurveTo(true, 7.828f, 1.472f, 17.269f, 0.936f, 17.269f, 0.936f);
    pb.AddCurveTo(true, 0f, 0f, 2.546f, 5.166f, 10.787f, 7.338f);
    pb.AddCurveTo(true, 8.248f, 2.168f, 17.802f, 0.484f, 17.802f, 0.484f);
    pb.AddCurveTo(true, 0f, 0f, 8.781f, 1.722f, 19.654f, 8.074f);
    pb.AddCurveTo(true, 10.871f, 6.353f, 20.142f, 2.163f, 20.142f, 2.163f);
    pb.AddCurveTo(true, 0f, 0f, 1.722f, 3.118f, 14.11f, 9.102f);
    pb.AddCurveTo(true, 12.39f, 5.982f, 14.152f, 2.658f, 28.387f, 4.339f);
    pb.AddCurveTo(true, 14.232f, 1.672f, 19.36f, 5.568f, 30.108f, 7.449f);
    pb.AddCurveTo(true, 10.747f, 1.886f, 25.801f, 5.607f, 25.801f, 5.607f);
    pb.AddCurveTo(true, 0f, 0f, 4.925f, 0.409f, 12.313f, 6.967f);
    pb.AddCurveTo(true, 7.381f, 6.564f, 18.453f, 4.506f, 18.453f, 4.506f);
    pb.AddCurveTo(true, 0f, 0f, -10.869f, -6.352f, -15.467f, -10.702f);
    pb.AddCurveTo(true, -4.594f, -4.342f, -16.901f, -11.309f, -24.984f, -15.448f);
    pb.AddCurveTo(true, -8.079f, -4.14f, -18.215f, -7.46f, -30.233f, -11.924f);
    pb.AddCurveTo(true, -12.018f, -4.468f, -6.934f, -6.029f, -23.632f, -13.855f);
    pb.AddCurveTo(true, -16.695f, -7.822f, -13.662f, -8.565f, -28.347f, -10.776f);
    pb.AddCurveTo(true, -14.686f, -2.208f, -6.444f, -11.933f, -23.917f, -16.356f);
    pb.AddCurveTo(true, -17.479f, -4.423f, -11.037f, -4.382f, -26.016f, -9.093f);
    pb.AddCurveTo(true, -14.97f, -4.715f, -10.638f, -10.104f, -26.665f, -13.116f);
    pb.AddCurveTo(true, -14.149f, -2.66f, -21.318f, 0.468f, -27.722f, 11.581f);
    pb.AddCurveTo(false, 73.104f, 89.075f, 85.989f, 101.047f, 85.989f, 101.047f);
    // Add elements into Children collection of SVG 
    svg.Children.Add(new SvgPathElement()
    {
        FillRule = SvgFillRule.EvenOdd,
        Fill = new SvgPaint(Color.FromArgb(0xFF, 0xC2, 0x22)),
        PathData = pb.ToPathData(),
    });

    pb.Reset();
    pb.AddMoveTo(false, 221.771f, 126.738f);
    pb.AddCurveTo(true, 0f, 0f, 1.874f, -4.211f, 4.215f, -6.087f);
    pb.AddCurveTo(true, 2.347f, -1.868f, 2.812f, -2.339f, 2.812f, -2.339f);
    pb.AddMoveTo(false, 147.11f, 105.122f);
    pb.AddCurveTo(true, 0f, 0f, 0.882f, -11.047f, 6.765f, -15.793f);
    pb.AddCurveTo(true, 5.879f, -4.745f, 10.882f, -5.568f, 10.882f, -5.568f);
    pb.AddMoveTo(false, 125.391f, 86.008f);
    pb.AddCurveTo(true, 0f, 0f, 2.797f, -6.289f, 6.291f, -9.081f);
    pb.AddCurveTo(true, 3.495f, -2.791f, 4.194f, -3.49f, 4.194f, -3.49f);
    pb.AddMoveTo(false, 181.153f, 124.8f);
    pb.AddCurveTo(true, 0f, 0f, -1.206f, -4.014f, -0.709f, -6.671f);
    pb.AddCurveTo(true, 0.493f, -2.66f, 0.539f, -3.256f, 0.539f, -3.256f);
    pb.AddMoveTo(false, 111.704f, 107.641f);
    pb.AddCurveTo(true, 0f, 0f, -1.935f, -6.604f, -1.076f, -10.991f);
    pb.AddCurveTo(true, 0.862f, -4.389f, 0.942f, -5.376f, 0.942f, -5.376f);
    pb.AddMoveTo(false, 85.989f, 101.047f);
    pb.AddCurveTo(true, 0f, 0f, 3.202f, 3.67f, 8.536f, 4.673f);
    pb.AddCurveTo(true, 7.828f, 1.472f, 17.269f, 0.936f, 17.269f, 0.936f);
    pb.AddCurveTo(true, 0f, 0f, 2.546f, 5.166f, 10.787f, 7.338f);
    pb.AddCurveTo(true, 8.248f, 2.168f, 17.802f, 0.484f, 17.802f, 0.484f);
    pb.AddCurveTo(true, 0f, 0f, 8.781f, 1.722f, 19.654f, 8.074f);
    pb.AddCurveTo(true, 10.871f, 6.353f, 20.142f, 2.163f, 20.142f, 2.163f);
    pb.AddCurveTo(true, 0f, 0f, 1.722f, 3.118f, 14.11f, 9.102f);
    pb.AddCurveTo(true, 12.39f, 5.982f, 14.152f, 2.658f, 28.387f, 4.339f);
    pb.AddCurveTo(true, 14.232f, 1.672f, 19.36f, 5.568f, 30.108f, 7.449f);
    pb.AddCurveTo(true, 10.747f, 1.886f, 25.801f, 5.607f, 25.801f, 5.607f);
    pb.AddCurveTo(true, 0f, 0f, 4.925f, 0.409f, 12.313f, 6.967f);
    pb.AddCurveTo(true, 7.381f, 6.564f, 18.453f, 4.506f, 18.453f, 4.506f);
    pb.AddCurveTo(true, 0f, 0f, -10.869f, -6.352f, -15.467f, -10.702f);
    pb.AddCurveTo(true, -4.594f, -4.342f, -16.901f, -11.309f, -24.984f, -15.448f);
    pb.AddCurveTo(true, -8.079f, -4.14f, -18.215f, -7.46f, -30.233f, -11.924f);
    pb.AddCurveTo(true, -12.018f, -4.468f, -6.934f, -6.029f, -23.632f, -13.855f);
    pb.AddCurveTo(true, -16.695f, -7.822f, -13.662f, -8.565f, -28.347f, -10.776f);
    pb.AddCurveTo(true, -14.686f, -2.208f, -6.444f, -11.933f, -23.917f, -16.356f);
    pb.AddCurveTo(true, -17.479f, -4.423f, -11.037f, -4.382f, -26.016f, -9.093f);
    pb.AddCurveTo(true, -14.97f, -4.715f, -10.638f, -10.104f, -26.665f, -13.116f);
    pb.AddCurveTo(true, -14.149f, -2.66f, -21.318f, 0.468f, -27.722f, 11.581f);
    pb.AddCurveTo(false, 73.104f, 89.075f, 85.989f, 101.047f, 85.989f, 101.047f);
    pb.AddClosePath();

    //Add elements into Children collection of SVG 
    svg.Children.Add(new SvgPathElement()
    {
        Fill = SvgPaint.None,
        Stroke = new SvgPaint(Color.Black),
        StrokeWidth = new SvgLength(3.056f),
        StrokeMiterLimit = 11.5f,
        PathData = pb.ToPathData(),
    });
    //Save the document as svg
    doc.Save("demo.svg");
    return doc;
}

Render SVG Image to PDF File

The GrapeCity.Documents.Svg namespace provides GcSvgDocument class which can be used to render SVG files on PDF pages.

To render an SVG image file to a PDF document:

  1. Load an SVG image in a PDF document by using the FromFile method of GcSvgDocument class.

  2. Draw the specified SVG document at a location in PDF document by using DrawSvg method of GcGraphics class.

  3. Save the document containing SVG image using Save method of the GcPdfDocument class.

    var doc = new GcPdfDocument();
var g = doc.NewPage().Graphics;
var prevT = g.Transform;
g.Transform = Matrix3x2.CreateScale(factor);
using var svg = GcSvgDocument.FromFile("Rectangle.svg");
g.DrawSvg(svg, new PointF(72 / factor, 72 / factor));
g.Transform = prevT;
doc.Save("SVGImage.pdf");

For more information about rendering SVG images to PDF files using GcPdf, see GcPdf sample browser.

You can also render an SVG image to a PNG file, create, load, inspect, modify, and save the internal structure of an SVG image. For more information, refer Work with SVG Files topic in GcImaging docs.