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Is there any Java API to get the font name from a font file (TTF)?
Sure, the java.awt.Font class will handle this task just fine. Here's how:
Font f = Font.createFont(Font.TRUETYPE_FONT, new FileInputStream("font.ttf"));
String name = f.getName();
(I tried it on one of the ttf-fonts on my system and it works as intended.)
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Want to create a layout for Redeem Items. Kindly suggest or help how can I accomplish this easily?
Check this image for the idea
Dark Version of the item
You can't set a shape for a view. A view is always a rectangle. What you can do is make a view with a custom background with a non-rectangular shape and transparency in the area outside the shape, and use that as the background, which will make it appear as if it has a shape.
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I am developing a java swing based application which show thumbnail of any format(jpg,png) images. For that, at first I read the image file by ImageIO.read(file name) and then create thumbnail of it. But it shows null pointer exception when read PSD format file.
I use ideli library for read PSD type file but it requires subcription/paid. So there have any free library to read PSD type file in Java?
image = ImageIO.read(new File(i));
thumb = Thumbnails.of(image).size(140,100).outputFormat("png").asBufferedImage();
ImageIO.write(thumb, "png", new File("thumb.png"));
By above code, I can read (without PSD) image file and create thumbnail of image.
Have a read of the documentation, PSD is not a supported format.
You might find some value from a similar question here.
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I am trying to make a changelog that gets updated at runtime, now, I would like to download the changelog from my website, and then display it.
How would I do this?
By the way, I just want to read the file (something like when browsers ask you do you want to save or run this file?, not save it.
Thanks.
You can open the input stream from the URI in Java as follows. Replace InputStreamReader with other implementations as per your need. Once you have the reader, you should be able to read the data from the stream.
InputStream stream = new URI('http://path-to-file').toURL().openStream();
BufferedReader r = new BufferedReader(new InputStreamReader(stream));
String content = "";
while((content = r.readLine()) != null) {
System.out.println(content); // you can put custom logic here.
}
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I want to rotate a BufferedImage from a math phrase so that become like this :
http://i.stack.imgur.com/ekP77.jpg
convert to :
http://i.stack.imgur.com/tYth1.jpg
we have not images and them include by user.
Minimize axis aligned bounding box area.
Simplest algorithm could do coarse estimation every 10 degrees. Pick best angle and do refinement with smaller angular step.
Probably you should pick wider rather than taller result.
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Is there any code(specifically Java or C++) or software in which we import any image and it gives the outline of that image in points, which we can use again to draw image outline by joining those points in JOGL or OPenGL ..
There's an outline tracer in Inkscape (which is open source c++).
http://inkscape.org/doc/tracing/tutorial-tracing.html
This will convert to vector format - so you could get some points out this way.
EDIT: this actually uses http://potrace.sourceforge.net/ for the tracing..
Here is an example code in MATLAB:
%# read image
I = imread('coins.png');
%# Convert to a binary image
BW = im2bw(I, graythresh(I));
%# get object boundaries
BW = imfill(BW,'holes');
B = bwboundaries(BW,'noholes');
%# plot boundaries overlayed on top of image
imshow(I), hold on
for i=1:numel(B)
plot(B{i}(:,2), B{i}(:,1), 'Color','g', 'LineWidth',2)
end
hold off