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add chatWriteImage

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This commit is contained in:
IC Rainbow
2024-11-01 23:06:28 +02:00
parent 7fee8b0dd5
commit 7fbf37e523
13 changed files with 123 additions and 91 deletions
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apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt
+18 -18
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@@ -72,11 +72,11 @@ fun Bitmap.clipToCircle(): Bitmap {
return circle
}
actual fun compressImageStr(bitmap: ImageBitmap): String {
val usePng = bitmap.hasAlpha()
val ext = if (usePng) "png" else "jpg"
return "data:image/$ext;base64," + Base64.encodeToString(compressImageData(bitmap, usePng).toByteArray(), Base64.NO_WRAP)
}
// actual fun compressImageStr(bitmap: ImageBitmap): String {
// val usePng = bitmap.hasAlpha()
// val ext = if (usePng) "png" else "jpg"
// return "data:image/$ext;base64," + Base64.encodeToString(compressImageData(bitmap, usePng).toByteArray(), Base64.NO_WRAP)
// }
actual fun compressImageData(bitmap: ImageBitmap, usePng: Boolean): ByteArrayOutputStream {
val stream = ByteArrayOutputStream()
@@ -84,19 +84,19 @@ actual fun compressImageData(bitmap: ImageBitmap, usePng: Boolean): ByteArrayOut
return stream
}
actual fun resizeImageToDataSize(image: ImageBitmap, usePng: Boolean, maxDataSize: Long): ByteArrayOutputStream {
var img = image
var stream = compressImageData(img, usePng)
while (stream.size() > maxDataSize) {
val ratio = sqrt(stream.size().toDouble() / maxDataSize.toDouble())
val clippedRatio = min(ratio, 2.0)
val width = (img.width.toDouble() / clippedRatio).toInt()
val height = img.height * width / img.width
img = Bitmap.createScaledBitmap(img.asAndroidBitmap(), width, height, true).asImageBitmap()
stream = compressImageData(img, usePng)
}
return stream
}
// actual fun resizeImageToDataSize(image: ImageBitmap, usePng: Boolean, maxDataSize: Long): ByteArrayOutputStream {
// var img = image
// var stream = compressImageData(img, usePng)
// while (stream.size() > maxDataSize) {
// val ratio = sqrt(stream.size().toDouble() / maxDataSize.toDouble())
// val clippedRatio = min(ratio, 2.0)
// val width = (img.width.toDouble() / clippedRatio).toInt()
// val height = img.height * width / img.width
// img = Bitmap.createScaledBitmap(img.asAndroidBitmap(), width, height, true).asImageBitmap()
// stream = compressImageData(img, usePng)
// }
// return stream
// }
actual fun GrayU8.toImageBitmap(): ImageBitmap = ConvertBitmap.grayToBitmap(this, Bitmap.Config.RGB_565).asImageBitmap()