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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
package org.mozilla.geckoview.test
import android.graphics.Bitmap
import android.graphics.Color
import android.graphics.Color.rgb
import android.graphics.pdf.PdfRenderer
import android.os.ParcelFileDescriptor
import androidx.test.ext.junit.rules.ActivityScenarioRule
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.LargeTest
import org.hamcrest.Matchers.equalTo
import org.junit.After
import org.junit.Assert.assertTrue
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.RuleChain
import org.junit.runner.RunWith
import org.mozilla.geckoview.Autofill
import org.mozilla.geckoview.GeckoViewPrintDocumentAdapter
import org.mozilla.geckoview.test.rule.GeckoSessionTestRule.NullDelegate
import java.io.File
import java.io.InputStream
import kotlin.math.roundToInt
@RunWith(AndroidJUnit4::class)
@LargeTest
class PdfCreationTest : BaseSessionTest() {
private val activityRule = ActivityScenarioRule(GeckoViewTestActivity::class.java)
var deviceHeight = 0
var deviceWidth = 0
var scaledHeight = 0
var scaledWidth = 12
@get:Rule
override val rules: RuleChain = RuleChain.outerRule(activityRule).around(sessionRule)
@Before
fun setup() {
activityRule.scenario.onActivity {
it.view.setSession(mainSession)
deviceHeight = it.resources.displayMetrics.heightPixels
deviceWidth = it.resources.displayMetrics.widthPixels
scaledHeight = (scaledWidth * (deviceHeight / deviceWidth.toDouble())).roundToInt()
}
}
@After
fun cleanup() {
activityRule.scenario.onActivity {
it.view.releaseSession()
}
}
private fun createFileDescriptor(pdfInputStream: InputStream): ParcelFileDescriptor {
val file = File.createTempFile("temp", null)
pdfInputStream.use { input ->
file.outputStream().use { output ->
input.copyTo(output)
}
}
return ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY)
}
private fun pdfToBitmap(pdfInputStream: InputStream): ArrayList<Bitmap>? {
val bitmaps: ArrayList<Bitmap> = ArrayList()
try {
val pdfRenderer = PdfRenderer(createFileDescriptor(pdfInputStream))
for (pageNo in 0 until pdfRenderer.pageCount) {
val page = pdfRenderer.openPage(pageNo)
var bitmap = Bitmap.createBitmap(deviceWidth, deviceHeight, Bitmap.Config.ARGB_8888)
page.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY)
bitmaps.add(bitmap)
page.close()
}
pdfRenderer.close()
} catch (e: Exception) {
e.printStackTrace()
}
return bitmaps
}
@NullDelegate(Autofill.Delegate::class)
@Test
fun singleColorPdf() {
activityRule.scenario.onActivity {
mainSession.loadTestPath(COLOR_ORANGE_BACKGROUND_HTML_PATH)
mainSession.waitForPageStop()
val pdfInputStream = mainSession.saveAsPdf()
sessionRule.waitForResult(pdfInputStream).let {
val bitmap = pdfToBitmap(it)!![0]
val scaled = Bitmap.createScaledBitmap(bitmap, scaledWidth, scaledHeight, false)
val centerPixel = scaled.getPixel(scaledWidth / 2, scaledHeight / 2)
val orange = rgb(255, 113, 57)
assertTrue("The PDF orange color matches.", centerPixel == orange)
}
}
}
@NullDelegate(Autofill.Delegate::class)
@Test
fun rgbColorsPdf() {
activityRule.scenario.onActivity {
mainSession.loadTestPath(COLOR_GRID_HTML_PATH)
mainSession.waitForPageStop()
val pdfInputStream = mainSession.saveAsPdf()
sessionRule.waitForResult(pdfInputStream).let {
val bitmap = pdfToBitmap(it)!![0]
val scaled = Bitmap.createScaledBitmap(bitmap, scaledWidth, scaledHeight, false)
val redPixel = scaled.getPixel(2, scaledHeight / 2)
assertTrue("The PDF red color matches.", redPixel == Color.RED)
val greenPixel = scaled.getPixel(scaledWidth / 2, scaledHeight / 2)
assertTrue("The PDF green color matches.", greenPixel == Color.GREEN)
val bluePixel = scaled.getPixel(scaledWidth - 2, scaledHeight / 2)
assertTrue("The PDF blue color matches.", bluePixel == Color.BLUE)
val doPixelsMatch = (
redPixel == Color.RED &&
greenPixel == Color.GREEN &&
bluePixel == Color.BLUE
)
assertTrue("The PDF generated RGB colors.", doPixelsMatch)
}
}
}
@NullDelegate(Autofill.Delegate::class)
@Test
fun makeTempPdfFileTest() {
activityRule.scenario.onActivity { activity ->
mainSession.loadTestPath(COLOR_ORANGE_BACKGROUND_HTML_PATH)
mainSession.waitForPageStop()
val pdfInputStream = mainSession.saveAsPdf()
sessionRule.waitForResult(pdfInputStream).let { stream ->
val file = GeckoViewPrintDocumentAdapter.makeTempPdfFile(stream, activity)!!
assertTrue("PDF File exists.", file.exists())
assertTrue("PDF File is not empty.", file.length() > 0L)
file.delete()
}
}
}
@NullDelegate(Autofill.Delegate::class)
@Test
fun saveAPdfDocument() {
activityRule.scenario.onActivity {
mainSession.loadTestPath(HELLO_PDF_WORLD_PDF_PATH)
mainSession.waitForPageStop()
val pdfInputStream = mainSession.saveAsPdf()
val originalBytes = getTestBytes(HELLO_PDF_WORLD_PDF_PATH)
sessionRule.waitForResult(pdfInputStream).let {
assertThat("The PDF File must the same as the original one.", it!!.readBytes(), equalTo(originalBytes))
}
}
}
}
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