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Reuse PageContent items

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10 years 10 months ago #9250 by alenz316
Reuse PageContent items was created by alenz316
We are adding a feature to have patterns in PDF's. This could be accomplished rather easily if a PageContent item can be reused and added to a page with a Matrix. Is there a way to do this?

e.g.
Code:
page.AddContent(content, false); content.GSSetMatrix(new com.radaee.pdf.Matrix(1f, 1f, 100, 100)); page.AddContent(content, false); content.GSSetMatrix(new com.radaee.pdf.Matrix(1f, 1f, 200, 200)); page.AddContent(content, true);
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10 years 10 months ago #9259 by support
Replied by support on topic Reuse PageContent items
I'm sorry, may you better explain your needs? May be with a sample pdf file.
On which platform are you working?
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10 years 10 months ago #9261 by alenz316
Replied by alenz316 on topic Reuse PageContent items
This is on Android.
I attached a screenshot of what I am trying to do. The left side is a pattern being rendered using an Android canvas, the right is the PDF that I am trying to draw the pattern to.

I am trying to create a PDF and use the same PageContent over and over like a stamp, using a Matrix to scale and translate it.

Is there a way add the content to a Page with a matrix, or post apply a Matrix to existing PageContent then add it to a Page?
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10 years 10 months ago - 10 years 10 months ago #9266 by Davide
Replied by Davide on topic Reuse PageContent items
Hi,
I suggest you to look at this thread: www.radaeepdf.com/forum/Android-developm...ze-after-saving#9188
Last edit: 10 years 10 months ago by Davide.
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10 years 10 months ago #9267 by alenz316
Replied by alenz316 on topic Reuse PageContent items
I looked at the thread, and it doesn't seem to answer my question. I may have overlooked something, but what I want to do is reuse PageContent.

I render a background 'tile' to a PageContent, then I want to add that PageContent multiple times to a Page, offsetting it each time to fill the entire Page.
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10 years 10 months ago - 10 years 10 months ago #9268 by Davide
Replied by Davide on topic Reuse PageContent items
Hi,
in the thread I sent you, you can see how to add an image to a pdf.
If you want to use one page content and add it many times to the pdf, you can change the matrix and add the content using pageContent.DrawImage(rimage);

Here some example line of code :
Code:
File file = new File(Environment.getExternalStorageDirectory(), "/test_image.jpg"); Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath()); Page page = m_doc.GetPage(0); PageContent pageContent = new PageContent(); pageContent.Create(); pageContent.GSSave(); com.radaee.pdf.Matrix mat = new com.radaee.pdf.Matrix(200, 112.5f, 100, 300); pageContent.GSSetMatrix(mat); mat.Destroy(); Document.DocImage docimage = m_doc.NewImage(bitmap, true); Page.ResImage rimage = page.AddResImage(docimage); pageContent.DrawImage(rimage); pageContent.GSRestore(); boolean res = page.AddContent(pageContent, false); //change the matrix and re-add the same content com.radaee.pdf.Matrix mat1 = new com.radaee.pdf.Matrix(200, 112.5f, 300, 300); pageContent.GSSetMatrix(mat1); mat1.Destroy(); pageContent.DrawImage(rimage); pageContent.GSRestore(); boolean ress = page.AddContent(pageContent, false); pageContent.Destroy(); page.Close(); m_doc.Save();
Last edit: 10 years 10 months ago by Davide.
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