Rotation and crop PNG image data using pure Java -- 2

We just implemented an API where we download UPS labels and tracking information as part of a JSON response to an HTTPS Restful request. This is on a DESKTOP PC (not a web server) and the image is coming in from UPS in Landscape, 7 inches wide, by 4 inches tall ( 1400 x 800 pixels, 200 dpi).

We want you to rotate the image 90 degrees to the right, so we can print the image on a thermal label printer in portrait mode, as well as possible cropping the image to 1200 pixels of the original 1400.

I will share the existing code for handling the conversion of the JSON response, in Base64 into a binary string, and what I found in researching image cropping and rotation in Java.

Notice the 2nd to last line of code:

byte[] image = [login to view URL]().decode(imageData);

Your job is to rotate "image" 90 degrees to the right. You will see what I found in [login to view URL]




Iterator itLabel = [login to view URL]();

itTrack = [login to view URL]();

for ( int i = 1; [login to view URL](); ++i )


JSONObject track = (JSONObject) [login to view URL]();

String tid = (String) [login to view URL]("TrackingNumber");

JSONObject label = (JSONObject) [login to view URL]();

String imageData = (String) [login to view URL]("Content");

byte[] image = [login to view URL]().decode(imageData);

[login to view URL](tid + fileExt, fileDir, "", image);


Taidot: Java, Image Processing

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Tietoa työnantajasta:
( 18 arvostelua ) Lakewood, United States

Projektin tunnus: #30917810

9 freelanceria on tarjonnut keskimäärin $83 tähän työhön


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