I have a image that i pull from a DB when i try to print it out my receipt printer its black. I think its something to do with the compress but can't figure out how to add that im a beginner at Java. Thank you
String imagex = "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";
public Bitmap StringToBitMap(String encodedString){
try {
byte [] encodeByte=Base64.decode(encodedString, Base64.DEFAULT);
Bitmap bitmap=BitmapFactory.decodeByteArray(encodeByte, 0, encodeByte.length);
return bitmap;
} catch(Exception e) {
e.getMessage();
return null;
}
}
Bitmap bm = StringToBitMap(imagex);
StarBitmap starbitmap = new StarBitmap(bm, true, 200);
commands.add(starbitmap.getImageEscPosDataForPrinting(false,true));
In most cases PNGs are black (transparent areas) due to rendering problems of PC not because of server side error. Some times PNGs are rendering in invert color beacuse of the color depth of the PNG is low (PNG-8 etc). I experienced in many time that high quality PNGs are also displaying with shady colors and edges (PNG-24) in many browsers as well. Solutions for PNG errors:
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