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Tag: image-processing

Can’t create an image file in Java

What I need to do is I have a input image file and I need to change it as user’s parameters. For example if user wants to make it %30 darker, first I get all pixels with their RGB values and store them in an 2D array. Sample array given below. After that I overwrite that RGB values (in our

PNGj: Row writing order

The purpose is to draw a small image inside another image at some specified area. Is there any possibility to change only specified rows and avoid rewriting of entire lines of the origin image? I …

How to scale a BufferedImage

Following the javadocs, I have tried to scale a BufferedImage without success here is my code: I can’t understand why it is not working, any help? Answer AffineTransformOp offers the additional flexibility of choosing the interpolation type. The fragment shown illustrates resampling, not cropping; this …