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[feature|optimize|build] Added GIF support on the reading page; optim…
…ize image download code on the reading page; update dependencies
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package com.skyd.anivu.ext | ||
|
|
||
| import kotlin.math.max | ||
|
|
||
| /** | ||
| * Boyer–Moore string-search algorithm | ||
| * | ||
| * Returns the index within this string of the first occurrence of the | ||
| * specified substring. If it is not a substring, return -1. | ||
| * | ||
| * There is no Galil because it only generates one match. | ||
| * | ||
| * @param needle The target string to search | ||
| * @return The start index of the substring | ||
| */ | ||
| fun <T> Array<T>.indexOf(needle: Array<T>): Int { | ||
| if (needle.isEmpty()) { | ||
| return 0 | ||
| } | ||
| val charTable = makeCharTable(needle) | ||
| val offsetTable = makeOffsetTable(needle) | ||
| var i = needle.size - 1 | ||
| var j: Int | ||
| while (i < this.size) { | ||
| j = needle.size - 1 | ||
| while (needle[j] == this[i]) { | ||
| if (j == 0) return i | ||
| i-- | ||
| j-- | ||
| } | ||
| // i += needle.length - j; // For naive method | ||
| i += max(offsetTable[needle.size - 1 - j], charTable[this[i]]!!) | ||
| } | ||
| return -1 | ||
| } | ||
|
|
||
| /** | ||
| * Makes the jump table based on the mismatched character information. | ||
| * (bad-character rule) | ||
| */ | ||
| private fun <T> makeCharTable(needle: Array<T>): HashMap<T, Int> { | ||
| val table = hashMapOf<T, Int>() | ||
| for (i in needle) { | ||
| table[i] = needle.size | ||
| } | ||
| for (i in needle.indices) { | ||
| table[needle[i]] = needle.size - 1 - i | ||
| } | ||
| return table | ||
| } | ||
|
|
||
| /** | ||
| * Makes the jump table based on the scan offset which mismatch occurs. | ||
| * (good suffix rule) | ||
| */ | ||
| private fun <T> makeOffsetTable(needle: Array<T>): IntArray { | ||
| val table = IntArray(needle.size) | ||
| var lastPrefixPosition = needle.size | ||
| for (i in needle.size downTo 1) { | ||
| if (isPrefix(needle, i)) { | ||
| lastPrefixPosition = i | ||
| } | ||
| table[needle.size - i] = lastPrefixPosition - i + needle.size | ||
| } | ||
| for (i in 0 until needle.size - 1) { | ||
| val slen = suffixLength(needle, i) | ||
| table[slen] = needle.size - 1 - i + slen | ||
| } | ||
| return table | ||
| } | ||
|
|
||
| /** | ||
| * Is needle[p:end] a prefix of needle? | ||
| */ | ||
| private fun <T> isPrefix(needle: Array<T>, p: Int): Boolean { | ||
| var i = p | ||
| var j = 0 | ||
| while (i < needle.size) { | ||
| if (needle[i] != needle[j]) { | ||
| return false | ||
| } | ||
| i++ | ||
| j++ | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| /** | ||
| * Returns the maximum length of the substring ends at p and is a suffix. | ||
| * (good-suffix rule) | ||
| */ | ||
| private fun <T> suffixLength(needle: Array<T>, p: Int): Int { | ||
| var len = 0 | ||
| var i = p | ||
| var j = needle.size - 1 | ||
| while (i >= 0 && needle[i] == needle[j]) { | ||
| len += 1 | ||
| --i | ||
| --j | ||
| } | ||
| return len | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,32 +1,28 @@ | ||
| package com.skyd.anivu.ext | ||
|
|
||
| import android.content.ContentValues | ||
| import android.content.Context | ||
| import android.graphics.Bitmap | ||
| import android.graphics.drawable.BitmapDrawable | ||
| import android.os.Environment | ||
| import android.provider.MediaStore | ||
| import android.os.Build | ||
| import com.skyd.anivu.config.Const | ||
| import com.skyd.anivu.ext.content.saveToGallery | ||
| import kotlin.random.Random | ||
|
|
||
| fun BitmapDrawable.saveToGallery( | ||
| context: Context, | ||
| filename: String = System.currentTimeMillis().toString() + "_" + Random.nextInt(), | ||
| ): Boolean { | ||
| val contentResolver = context.contentResolver | ||
|
|
||
| val values = ContentValues().apply { | ||
| put(MediaStore.Images.Media.DISPLAY_NAME, "$filename.png") | ||
| put(MediaStore.Images.Media.MIME_TYPE, "image/png") | ||
| put( | ||
| MediaStore.Images.Media.RELATIVE_PATH, | ||
| Environment.DIRECTORY_PICTURES + "/" + context.getAppName() | ||
| return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { | ||
| context.contentResolver.saveToGallery( | ||
| fileNameWithExt = "$filename.png", | ||
| mimetype = "image/png", | ||
| output = { outputStream -> | ||
| bitmap?.compress(Bitmap.CompressFormat.PNG, 100, outputStream) == true | ||
| } | ||
| ) | ||
| } else { | ||
| Const.ANIVU_PICTURES_DIR.outputStream().use { outputStream -> | ||
| bitmap?.compress(Bitmap.CompressFormat.PNG, 100, outputStream) == true | ||
| } | ||
| } | ||
|
|
||
| val uri = contentResolver | ||
| .insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values) ?: return false | ||
| contentResolver.openOutputStream(uri)?.use { outputStream -> | ||
| val out = bitmap?.compress(Bitmap.CompressFormat.PNG, 100, outputStream) | ||
| return out == true | ||
| } ?: return false | ||
| } |
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19 changes: 19 additions & 0 deletions
19
app/src/main/java/com/skyd/anivu/ext/content/ContentResolverExt.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| package com.skyd.anivu.ext.content | ||
|
|
||
| import android.content.ContentResolver | ||
| import android.content.ContentValues | ||
| import android.provider.MediaStore | ||
| import java.io.OutputStream | ||
|
|
||
| fun ContentResolver.saveToGallery( | ||
| fileNameWithExt: String, | ||
| mimetype: String? = null, | ||
| output: (OutputStream) -> Boolean, | ||
| ): Boolean { | ||
| val contentValues = ContentValues().gallery(fileNameWithExt, mimetype) | ||
| val uri = insert( | ||
| MediaStore.Images.Media.EXTERNAL_CONTENT_URI, | ||
| contentValues | ||
| ) ?: return false | ||
| return openOutputStream(uri)?.use(output) ?: false | ||
| } |
19 changes: 19 additions & 0 deletions
19
app/src/main/java/com/skyd/anivu/ext/content/ContentValuesExt.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| package com.skyd.anivu.ext.content | ||
|
|
||
| import android.content.ContentValues | ||
| import android.os.Environment | ||
| import android.provider.MediaStore | ||
|
|
||
| fun ContentValues.gallery( | ||
| fileNameWithExt: String, | ||
| mimetype: String? = null, | ||
| ) = apply { | ||
| put(MediaStore.Images.Media.DISPLAY_NAME, fileNameWithExt) | ||
| if (mimetype != null) { | ||
| put(MediaStore.Images.Media.MIME_TYPE, mimetype) | ||
| } | ||
| put( | ||
| MediaStore.Images.Media.RELATIVE_PATH, | ||
| Environment.DIRECTORY_PICTURES + "/AniVu" | ||
| ) | ||
| } |
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