@srmorley
It sounds like you’re facing a few challenges with adding text boxes to a PDF document that may have rotated pages. Here are some suggestions to help you resolve these issues using Aspose.PDF and possibly other components from Aspose.Total:
1. Handling Page Rotation
To correctly position your text boxes on rotated pages, you need to take the page rotation into account when calculating the position of your text boxes. You can retrieve the rotation of a page using the Page.Rotate
property and adjust your coordinates accordingly.
Here’s a basic example of how to adjust the position based on rotation:
var pdfDocument = new Document("input.pdf");
var page = pdfDocument.Pages[1]; // Get the first page
// Get the rotation angle
int rotation = page.Rotate;
// Adjust your coordinates based on the rotation
float adjustedX = originalX;
float adjustedY = originalY;
if (rotation == 90)
{
adjustedX = originalY; // Swap X and Y
adjustedY = page.Rect.Height - originalX; // Adjust Y based on height
}
else if (rotation == 180)
{
adjustedX = page.Rect.Width - originalX;
adjustedY = page.Rect.Height - originalY;
}
else if (rotation == 270)
{
adjustedX = page.Rect.Width - originalY;
adjustedY = originalX;
}
// Now use adjustedX and adjustedY to place your text box
2. Text Alignment
If you want to align the text to the top-left of the text box, you can use the TextStamp
class and set its properties accordingly. However, if the text is aligning to the bottom, you may need to adjust the Y position of the text manually based on the height of the text box.
3. Background and Border
To add a background and border to your text box, you can use the Graph
and Rectangle
classes. To ensure that the text appears above the background, you can draw the rectangle first and then add the text stamp afterward. Here’s an example:
var graph = new Graph(page.Rect.Width, page.Rect.Height);
var rect = new Rectangle(adjustedX, adjustedY, adjustedX + width, adjustedY + height);
// Draw the background rectangle
graph.DrawRectangle(rect, new Color(255, 0, 0, 128)); // Example with alpha channel
// Add the graph to the page
page.Paragraphs.Add(graph);
// Create a TextStamp
var textStamp = new TextStamp("Your Text Here")
{
Position = new Position(adjustedX, adjustedY + height), // Adjust Y to align top
TextAlignment = HorizontalAlignment.Left,
// Set other properties like font size, style, etc.
};
// Add the text stamp to the page
page.AddStamp(textStamp);
4. Using Aspose.Words or Other Packages
If you find that Aspose.PDF is not meeting your needs, consider using Aspose.Words for PDF manipulation. It has more advanced features for handling text and layout, and you can convert documents to PDF format while maintaining the layout.
5. Debugging Positioning Issues
If some boxes are not positioned correctly, ensure that you are consistently applying the same logic for all boxes. You might want to log the calculated positions and the rotation values to identify any discrepancies.
Conclusion
By taking into account the page rotation, adjusting the text alignment, and layering your graphics correctly, you should be able to achieve the desired outcome. If you continue to face issues, consider reaching out to Aspose support for more tailored assistance, especially since you have a license for their products.