I am trying to add one image above another image.
And tried alpha from 0 to 1, they all did not work.
So what's right way to do this?
[Message sent by forum member 'jiezhang' (jiezhang)]
http://forums.java.net/jive/thread.jspa?messageID=291351
Hi,
You can't do an alpha-blended composition of two bi-level images, as a
bilevel image has only two levels, either completely white or
completely black. So you first have to create a new temporary true
color BufferedImage (any of the TYPE_INT_RGB or TYPE_3/4BYTE_RGB/BGR
will probably
That way should work. Another way to make it work is converting the first one
to gray image and draw the second on it.
But I am hoping to get thing done without introducing the third image or doing
a content conversion.
[Message sent by forum member 'jiezhang' (jiezhang)]
Have you tried without extra alpha? Just with the default
SrcOver compositing mode?
Thanks,
Dmitri
[EMAIL PROTECTED] wrote:
I am trying to add one image above another image.
And tried alpha from 0 to 1, they all did not work.
So what's right way to do this?
[Message sent by forum
Not quite sure what you expected. If you're compositing two 1-bit images with
.4 extra alpha, you'll pretty much get 0 in the result since extra alpha is
shifting all colors towards index 0 which is black by default.
Dmitri
[Message sent by forum member 'trembovetski' (trembovetski)]
[EMAIL PROTECTED] wrote:
I am using drawimage method to add a BufferedImage to another BufferedImage.
The base image is a bilevel (white and black) and the added image is bilevel
too.
But in result, the added image just became a black frame in base image.
Anyone has an idea?
Please post a
This is source code. How do I give images.
import java.awt.image.BufferedImage;
import java.awt.Graphics2D;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Font;
import java.awt.RenderingHints;
import java.awt.FontMetrics;
import java.awt.geom.Rectangle2D;
import
