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fun drawTextToBitmapOrGetCache(context: Context, text: String, @ColorRes textColor: Int, @ColorRes backgroundColor: Int, textSize: Float = 33f): Bitmap? { | |
val name = "${text}_image" | |
val file = File(context.cacheDir, name) | |
Log.d("CACHE_IMAGE", "${file.exists()} $name ${file.absolutePath}") | |
return if (file.exists()) { | |
getNamePlaceholderFromCache(file) | |
} else { | |
val namePlaceholderBitmap = drawTextToBitmap(context, text, textColor, backgroundColor, textSize) | |
writeNamePlaceholderToCache(file, namePlaceholderBitmap) | |
namePlaceholderBitmap | |
} | |
} | |
fun getNamePlaceholderFromCache(file: File): Bitmap { | |
val options = BitmapFactory.Options() | |
options.inPreferredConfig = Bitmap.Config.ARGB_8888 | |
Log.d("CACHE_IMAGE_GET", file.absolutePath) | |
return BitmapFactory.decodeFile(file.absolutePath, options) | |
} | |
fun writeNamePlaceholderToCache(file: File, bitmap: Bitmap) { | |
try { | |
val outputStream = FileOutputStream(file) | |
bitmap.compress(Bitmap.CompressFormat.JPEG, 90, outputStream) | |
outputStream.flush() | |
outputStream.close() | |
Log.d("CACHE_IMAGE_WRITE", file.absolutePath) | |
}catch(e: Exception){ | |
e.printStackTrace() | |
} | |
} | |
fun drawTextToBitmap(context: Context, text: String, @ColorRes textColor: Int, @ColorRes backgroundColor: Int, textSize: Float = 33f): Bitmap { | |
val size = context.resources.getDimensionPixelSize(R.dimen.helpcrunch_icon_message_size) | |
var bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888) | |
var bitmapConfig: Bitmap.Config? = bitmap.config | |
if (bitmapConfig == null) { | |
bitmapConfig = Bitmap.Config.ARGB_8888 | |
} | |
bitmap = bitmap.copy(bitmapConfig, true) | |
val canvas = Canvas(bitmap) | |
val paint = Paint(Paint.ANTI_ALIAS_FLAG) | |
paint.color = context.color(textColor) | |
paint.textSize = textSize | |
paint.setShadowLayer(1f, 0f, 1f, Color.WHITE) | |
paint.typeface = ResourcesCompat.getFont(context, R.font.sfp_regular) | |
val paintCircle = Paint() | |
paintCircle.color = context.color(backgroundColor) | |
paintCircle.style = Paint.Style.FILL | |
paintCircle.flags = Paint.ANTI_ALIAS_FLAG | |
canvas.drawRect(0f, 0f, bitmap.width.toFloat(), bitmap.height.toFloat(), paintCircle) | |
val bounds = Rect() | |
paint.getTextBounds(text, 0, text.length, bounds) | |
val x = (bitmap.width - bounds.width()) / 2 | |
val y = (bitmap.height + bounds.height()) / 2 | |
canvas.drawText(text, x.toFloat(), y.toFloat(), paint) | |
return bitmap | |
} |
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