hardcoresushi/DroidFS
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Code Issues 12 Pull Requests 1 Releases 24 Activity

Downscale image when decoding with BitmapFactory

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This commit is contained in:
Matéo Duparc 2021-12-20 20:13:39 +01:00
parent b65ee230be
commit bd4c935c4c
Signed by: hardcoresushi
GPG Key ID: 007F84120107191E
1 changed files with 42 additions and 6 deletions
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48
app/src/main/java/sushi/hardcore/droidfs/file_viewers/ImageViewer.kt
View File

@ -4,12 +4,18 @@ import android.content.res.Configuration
import android.graphics.Bitmap import android.graphics.Bitmap
import android.graphics.BitmapFactory import android.graphics.BitmapFactory
import android.graphics.Matrix import android.graphics.Matrix
import android.graphics.Point
import android.graphics.drawable.Drawable
import android.os.Build
import android.os.Handler import android.os.Handler
import android.util.Size
import android.view.MotionEvent import android.view.MotionEvent
import android.view.View import android.view.View
import android.view.WindowInsets
import android.view.WindowManager import android.view.WindowManager
import android.widget.Toast import android.widget.Toast
import com.bumptech.glide.Glide import com.bumptech.glide.Glide
import com.bumptech.glide.RequestBuilder
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool
import com.bumptech.glide.load.resource.bitmap.BitmapTransformation import com.bumptech.glide.load.resource.bitmap.BitmapTransformation
import sushi.hardcore.droidfs.ConstValues import sushi.hardcore.droidfs.ConstValues
@ -31,7 +37,8 @@ class ImageViewer: FileViewerActivity() {
private lateinit var fileName: String private lateinit var fileName: String
private lateinit var handler: Handler private lateinit var handler: Handler
private lateinit var bitmap: Bitmap private var bitmap: Bitmap? = null
private var requestBuilder: RequestBuilder<Drawable>? = null
private var x1 = 0F private var x1 = 0F
private var x2 = 0F private var x2 = 0F
private var slideshowActive = false private var slideshowActive = false
@ -148,21 +155,49 @@ class ImageViewer: FileViewerActivity() {
handler.postDelayed(hideUI, hideDelay) handler.postDelayed(hideUI, hideDelay)
} }
private fun getDisplaySize(): Size {
return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
val insets = windowManager.currentWindowMetrics.windowInsets.getInsetsIgnoringVisibility(
WindowInsets.Type.navigationBars() or WindowInsets.Type.displayCutout()
)
Size(insets.right + insets.left, insets.top + insets.bottom)
} else {
val point = Point()
@Suppress("Deprecation")
windowManager.defaultDisplay.getSize(point)
Size(point.x, point.y)
}
}
private fun loadImage(){ private fun loadImage(){
loadWholeFile(filePath)?.let { loadWholeFile(filePath)?.let {
val displayWithGlide = if (it.size < 5_000_000) { val displayWithGlide = if (it.size < 5_000_000) {
true true
} else { } else {
val decodedBitmap = BitmapFactory.decodeByteArray(it, 0, it.size) bitmap = BitmapFactory.decodeByteArray(it, 0, it.size)
if (decodedBitmap == null) { if (bitmap == null) {
true true
} else { } else {
Glide.with(this).load(decodedBitmap).fitCenter().into(binding.imageViewer) val displaySize = getDisplaySize()
if (displaySize.width < bitmap!!.width || displaySize.height < bitmap!!.height) {
val newWidth: Int
val newHeight: Int
if (displaySize.width > displaySize.height) {
newWidth = displaySize.width
newHeight = bitmap!!.height*displaySize.width/bitmap!!.width
} else {
newHeight = displaySize.height
newWidth = bitmap!!.width*displaySize.height/bitmap!!.height
}
bitmap = Bitmap.createScaledBitmap(bitmap!!, newWidth, newHeight, false)
}
Glide.with(this).load(bitmap).into(binding.imageViewer)
false false
} }
} }
if (displayWithGlide) { if (displayWithGlide) {
Glide.with(this).load(it).into(binding.imageViewer) requestBuilder = Glide.with(this).load(it)
requestBuilder?.into(binding.imageViewer)
} }
fileName = File(filePath).name fileName = File(filePath).name
binding.textFilename.text = fileName binding.textFilename.text = fileName
@ -217,7 +252,8 @@ class ImageViewer: FileViewerActivity() {
private fun rotateImage(){ private fun rotateImage(){
binding.imageViewer.restoreZoomNormal() binding.imageViewer.restoreZoomNormal()
Glide.with(this).load(bitmap).transform(RotateTransformation(this)).into(binding.imageViewer) (requestBuilder ?: Glide.with(this).load(bitmap))
.transform(RotateTransformation(this)).into(binding.imageViewer)
} }
private fun askSaveRotation(callback: () -> Unit){ private fun askSaveRotation(callback: () -> Unit){