Need slightly rounded card

Aspose.PDF Product Family
1

I try to get card with slightly round edge but in my output the card is rectangle.
Card.zip (45.3 KB)

2

@swathishree.s

Creating a card with slightly rounded corners in Aspose.PDF for .NET

Below is a minimal, self‑contained example that shows how to draw a rounded‑corner rectangle (the “card”) and save it as a PDF.
The same approach works whether you start from a blank document or add the shape to an existing PDF.

1. Add the required NuGet package

dotnet add package Aspose.PDF

2. Sample code

using System.Drawing;                 // for Color
using Aspose.Pdf;                     // Document, Page
using Aspose.Pdf.Drawing;             // RoundedRectangle, GraphInfo, FillInfo

class RoundedCardDemo
{
    static void Main()
    {
        // ----------------------------------------------------
        // 1️⃣ Create a new PDF document (or load an existing one)
        // ----------------------------------------------------
        Document pdfDoc = new Document();
        Page page = pdfDoc.Pages.Add();   // add a page where the card will be placed

        // ----------------------------------------------------
        // 2️⃣ Define the card’s bounding box (lower‑left & upper‑right)
        // ----------------------------------------------------
        // Values are in points (1 pt = 1/72 inch)
        float llx = 100;   // left   (X)
        float lly = 500;   // bottom (Y)
        float urx = 400;   // right  (X)
        float ury = 700;   // top    (Y)

        // ----------------------------------------------------
        // 3️⃣ Create a RoundedRectangle shape
        // ----------------------------------------------------
        RoundedRectangle card = new RoundedRectangle(page, llx, lly, urx, ury)
        {
            // Radius of the four corners – adjust to get the "slightly rounded" look
            CornerRadius = 12,               // 12 points ≈ 4 mm
        };

        // ----------------------------------------------------
        // 4️⃣ Set border (stroke) and fill appearance
        // ----------------------------------------------------
        card.GraphInfo = new GraphInfo
        {
            Color = Color.Black,            // border colour
            LineWidth = 1.5f                // border thickness
        };

        card.FillInfo = new FillInfo
        {
            Color = Color.LightGray         // interior colour (optional)
        };

        // ----------------------------------------------------
        // 5️⃣ Add the shape to the page
        // ----------------------------------------------------
        page.Paragraphs.Add(card);

        // ----------------------------------------------------
        // 6️⃣ (Optional) Add some text inside the card
        // ----------------------------------------------------
        TextFragment tf = new TextFragment("My Rounded Card")
        {
            TextState = { FontSize = 14, FontStyle = FontStyles.Bold, ForegroundColor = Color.Black },
            Position = new Position(llx + 15, ury - 30) // a little padding from the edges
        };
        page.Paragraphs.Add(tf);

        // ----------------------------------------------------
        // 7️⃣ Save the PDF
        // ----------------------------------------------------
        pdfDoc.Save("RoundedCard.pdf");
    }
}

What the code does

Step Purpose
1 Creates a fresh PDF document (or you could replace new Document() with new Document("input.pdf")).
2 Sets the rectangular area that will become the card. Adjust llx, lly, urx, ury to change size/position.
3 Instantiates RoundedRectangle and assigns a CornerRadius. Larger values give more curvature.
4 Configures the border (GraphInfo) and the fill colour (FillInfo). Both are optional.
5 Adds the shape to the page’s content stream.
6 Demonstrates how to place text inside the card (optional).
7 Writes the final PDF to disk.

3. Key properties to tweak for a “slightly rounded” look

Property Typical range Effect
CornerRadius 5 – 15 points Smaller → almost rectangular; larger → more rounded.
LineWidth (in GraphInfo) 0.5 – 2 pts Controls the thickness of the border.
FillInfo.Color Any System.Drawing.Color Background colour of the card; set to Color.Transparent if you do not want a fill.

4. Frequently asked follow‑up questions

  • I’m using the older “Generator” API (Aspose.Pdf.Generator).
    The equivalent class is Aspose.Pdf.Generator.RoundedRectangle. The usage pattern is the same – just replace the namespace and constructor signature.

  • How do I export the card as an image (PNG/JPEG) instead of PDF?
    After saving the PDF, you can render it with Aspose.PDF for .NET’s PdfConverter or PdfPageEditor. Example:

    using Aspose.Pdf;
using Aspose.Pdf.Devices;

Document doc = new Document("RoundedCard.pdf");
using (FileStream imageStream = new FileStream("RoundedCard.png", FileMode.Create))
{
    PngDevice png = new PngDevice(300, 300); // DPI
    png.Process(doc.Pages[1], imageStream);
}

  • Can I apply a drop‑shadow or other effects?
    Yes – use GraphInfo to set DashArray, LineJoin, etc., or draw additional shapes (e.g., a semi‑transparent offset rectangle) before the card to simulate a shadow.

5. Reference documentation

If you need any further adjustments (different dimensions, colors, embedding images, or converting the result to another format), just let me know and I’ll provide the exact snippet you need. Happy coding!