Cleanup code
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@@ -1,111 +0,0 @@
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package com.davemorrissey.labs.subscaleview
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import android.graphics.Bitmap
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import android.graphics.Rect
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import com.davemorrissey.labs.subscaleview.provider.InputProvider
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/**
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* Helper class used to set the source and additional attributes from a variety of sources. Supports
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* use of a bitmap, asset, resource, external file or any other URI.
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*
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*
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* When you are using a preview image, you must set the dimensions of the full size image on the
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* ImageSource object for the full size image using the [.dimensions] method.
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*/
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class ImageSource {
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val bitmap: Bitmap?
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val provider: InputProvider?
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private var sWidth = 0
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private var sHeight = 0
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var sRegion = Rect(0, 0, 0, 0)
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private set
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var isCached = false
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private set
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private constructor(bitmap: Bitmap, cached: Boolean) {
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this.bitmap = bitmap
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provider = null
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sWidth = bitmap.width
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sHeight = bitmap.height
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isCached = cached
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}
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private constructor(provider: InputProvider) {
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bitmap = null
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this.provider = provider
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}
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/**
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* Use a region of the source image. Region must be set independently for the full size image and the preview if
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* you are using one.
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*
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* @param sRegion the region of the source image to be displayed.
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* @return this instance for chaining.
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*/
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fun region(sRegion: Rect): ImageSource {
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this.sRegion = sRegion
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setInvariants()
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return this
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}
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/**
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* Declare the dimensions of the image. This is only required for a full size image, when you are specifying a URI
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* and also a preview image. When displaying a bitmap object, or not using a preview, you do not need to declare
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* the image dimensions. Note if the declared dimensions are found to be incorrect, the view will reset.
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*
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* @param sWidth width of the source image.
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* @param sHeight height of the source image.
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* @return this instance for chaining.
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*/
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fun dimensions(sWidth: Int, sHeight: Int): ImageSource {
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if (bitmap == null) {
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this.sWidth = sWidth
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this.sHeight = sHeight
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}
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setInvariants()
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return this
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}
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private fun setInvariants() {
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if (!sRegion.isEmpty) {
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sWidth = sRegion.width()
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sHeight = sRegion.height()
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}
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}
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companion object {
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/**
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* Create an instance from an input provider.
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*
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* @param provider input stream provider.
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* @return an [ImageSource] instance.
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*/
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fun provider(provider: InputProvider): ImageSource {
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return ImageSource(provider)
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}
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/**
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* Provide a loaded bitmap for display.
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*
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* @param bitmap bitmap to be displayed.
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* @return an [ImageSource] instance.
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*/
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fun bitmap(bitmap: Bitmap): ImageSource {
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return ImageSource(bitmap, false)
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}
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/**
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* Provide a loaded and cached bitmap for display. This bitmap will not be recycled when it is no
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* longer needed. Use this method if you loaded the bitmap with an image loader such as Picasso
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* or Volley.
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*
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* @param bitmap bitmap to be displayed.
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* @return an [ImageSource] instance.
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*/
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fun cachedBitmap(bitmap: Bitmap): ImageSource {
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return ImageSource(bitmap, true)
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}
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}
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}
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@@ -1,15 +0,0 @@
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package com.davemorrissey.labs.subscaleview
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import android.graphics.PointF
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import java.io.Serializable
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/**
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* Wraps the scale, center and orientation of a displayed image for easy restoration on screen rotate.
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*/
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class ImageViewState(val scale: Float, center: PointF) : Serializable {
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private val centerX: Float = center.x
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private val centerY: Float = center.y
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val center: PointF
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get() = PointF(centerX, centerY)
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}
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+25
-1071
File diff suppressed because it is too large.
Load diff
@@ -1,50 +0,0 @@
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package com.davemorrissey.labs.subscaleview.decoder
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import android.content.Context
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import android.graphics.Bitmap
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import android.graphics.Point
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import android.graphics.Rect
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import com.davemorrissey.labs.subscaleview.provider.InputProvider
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/**
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* Interface for image decoding classes.
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*/
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interface Decoder {
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/**
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* Initialise the decoder. When possible, perform initial setup work once in this method. The
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* dimensions of the image must be returned.
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*
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* @param context Application context. A reference may be held, but must be cleared on recycle.
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* @param provider Provider of the image.
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* @return Dimensions of the image.
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* @throws Exception if initialisation fails.
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*/
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fun init(context: Context, provider: InputProvider): Point
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/**
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* Decode a region of the image with the given sample size. This method is called off the UI
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* thread so it can safely load the image on the current thread. It is called from
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* [android.os.AsyncTask]s running in an executor that may have multiple threads, so
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* implementations must be thread safe. Adding `synchronized` to the method signature
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* is the simplest way to achieve this, but bear in mind the [.recycle] method can be
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* called concurrently.
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*
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* @param sRect Source image rectangle to decode.
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* @param sampleSize Sample size.
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* @return The decoded region. It is safe to return null if decoding fails.
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*/
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fun decodeRegion(sRect: Rect, sampleSize: Int): Bitmap
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/**
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* Status check. Should return false before initialisation and after recycle.
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*
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* @return true if the decoder is ready to be used.
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*/
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val isReady: Boolean
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/**
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* This method will be called when the decoder is no longer required. It should clean up any
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* resources still in use.
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*/
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fun recycle()
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}
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@@ -1,58 +0,0 @@
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package com.davemorrissey.labs.subscaleview.decoder
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import android.content.Context
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import android.graphics.Bitmap
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import android.graphics.Point
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import android.graphics.Rect
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import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
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import com.davemorrissey.labs.subscaleview.provider.InputProvider
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class ImageDecoder(private val cropBorders: Boolean, bitmapConfig: Bitmap.Config? = null) : Decoder {
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init {
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val globalBitmapConfig = SubsamplingScaleImageView.preferredBitmapConfig
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}
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/**
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* Initialise the decoder. When possible, perform initial setup work once in this method. The
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* dimensions of the image must be returned.
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*
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* @param context Application context. A reference may be held, but must be cleared on recycle.
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* @param provider Provider of the image.
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* @return Dimensions of the image.
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* @throws Exception if initialisation fails.
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*/
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override fun init(context: Context, provider: InputProvider): Point {
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TODO()
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}
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/**
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* Decode a region of the image with the given sample size. This method is called off the UI
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* thread so it can safely load the image on the current thread. It is called from
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* [android.os.AsyncTask]s running in an executor that may have multiple threads, so
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* implementations must be thread safe. Adding `synchronized` to the method signature
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* is the simplest way to achieve this, but bear in mind the [.recycle] method can be
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* called concurrently.
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*
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* @param sRect Source image rectangle to decode.
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* @param sampleSize Sample size.
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* @return The decoded region. It is safe to return null if decoding fails.
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*/
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override fun decodeRegion(sRect: Rect, sampleSize: Int): Bitmap {
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TODO()
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}
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/**
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* Status check. Should return false before initialisation and after recycle.
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*
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* @return true if the decoder is ready to be used.
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*/
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override val isReady: Boolean = TODO()
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/**
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* This method will be called when the decoder is no longer required. It should clean up any
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* resources still in use.
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*/
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override fun recycle() {
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TODO()
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}
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}
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@@ -1,3 +0,0 @@
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package com.davemorrissey.labs.subscaleview.provider
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interface InputProvider
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@@ -18,7 +18,6 @@ import androidx.annotation.StyleRes
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import androidx.appcompat.widget.AppCompatImageView
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import androidx.core.os.postDelayed
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import androidx.core.view.isVisible
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import com.davemorrissey.labs.subscaleview.ImageSource
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import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
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import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView.Companion.EASE_OUT_QUAD
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import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView.Companion.SCALE_TYPE_CENTER_INSIDE
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@@ -204,7 +203,6 @@ open class ReaderPageImageView @JvmOverloads constructor(
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}.apply {
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setDoubleTapZoomStyle(SubsamplingScaleImageView.ZOOM_FOCUS_CENTER)
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setPanLimit(SubsamplingScaleImageView.PAN_LIMIT_INSIDE)
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setMinimumTileDpi(180)
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setOnStateChangedListener(
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object : SubsamplingScaleImageView.OnStateChangedListener {
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override fun onScaleChanged(newScale: Float, origin: Int) {
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@@ -257,7 +255,7 @@ open class ReaderPageImageView @JvmOverloads constructor(
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)
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val bitmap = (image as BitmapDrawable).bitmap
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setImage(ImageSource.cachedBitmap(bitmap))
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setImage(bitmap)
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isVisible = true
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}
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