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Sample Kotlin code for using PDFTron SDK to change a page's MediaBox using Rect class. Learn more about our Kotlin PDF Library and PDF Editing & Manipulation Library.
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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2019 by PDFTron Systems Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------
package com.pdftron.android.pdfnetsdksamples.samples
import com.pdftron.android.pdfnetsdksamples.OutputListener
import com.pdftron.android.pdfnetsdksamples.PDFNetSample
import com.pdftron.android.pdfnetsdksamples.R
import com.pdftron.android.pdfnetsdksamples.util.Utils
import com.pdftron.pdf.PDFDoc
import com.pdftron.sdf.SDFDoc
import java.util.*
class RectTest : PDFNetSample() {
init {
setTitle(R.string.sample_rect_title)
setDescription(R.string.sample_rect_description)
}
override fun run(outputListener: OutputListener?) {
super.run(outputListener)
mOutputListener = outputListener
mFileList.clear()
printHeader(outputListener!!)
try
// Test - Adjust the position of content within the page.
{
mOutputListener!!.println("_______________________________________________")
mOutputListener!!.println("Opening the input pdf...")
val input_doc = PDFDoc(Utils.getAssetTempFile(PDFNetSample.INPUT_PATH + "tiger.pdf")!!.absolutePath)
input_doc.initSecurityHandler()
val pg_itr1 = input_doc.pageIterator
val media_box = pg_itr1.next()!!.getMediaBox()
media_box.x1 = media_box.x1 - 200 // translate the page 200 units (1 uint = 1/72 inch)
media_box.x2 = media_box.x2 - 200
media_box.update()
input_doc.save(Utils.createExternalFile("tiger_shift.pdf", mFileList).absolutePath, SDFDoc.SaveMode.NO_FLAGS, null)
input_doc.close()
mOutputListener!!.println("Done. Result saved in tiger_shift...")
} catch (e: Exception) {
mOutputListener!!.printError(e.stackTrace)
}
for (file in mFileList) {
addToFileList(file)
}
printFooter(outputListener)
}
companion object {
private var mOutputListener: OutputListener? = null
private val mFileList = ArrayList<String>()
}
}
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