png

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Transparency with JPEGs

JPEGs are smaller in size than PNGs. So, I thought that if I can make a specific region in a JPEG-file transparent, with some code, maybe I can save some bytes.[详细]

2023-04-01 09:01 分类：问答
Click on different transparent PNG's. Which one is clicked?

I am trying to create a map of a country, divided in different provinces. When my products 开发者_C百科are available in a certain provinces, these provinces will light up on the map. I then want peopl[详细]

2023-04-01 08:26 分类：问答
iOS Retina Display: Does "@2x" support jpeg as well as png?

Can someone please confirm/deny whether the iPhone retina display suppo开发者_开发百科rts the \"@2x\" filename scheme for jpeg as well as png?[详细]

2023-04-01 05:34 分类：问答
Dojo Internet Explorer 6 png problem

Everything works fine in all browsers excluding Internet Explorer 6. png ima开发者_如何学JAVAges shows white background behind them. How to get rid of them in Dojo. I am using dojo version 1.5.IE6 doe[详细]

2023-03-31 16:05 分类：问答
java jbutton image png clickable area

I want to do a JButton with PNG icon but the clickable area have to be a pixel and not a transparency pixel, and position this JButton over oth开发者_开发知识库er JButtons like position absolute in cs[详细]

2023-03-31 07:31 分类：问答
why does internet explorer change this png file?

I built a website and I have this png file which is a bordered image with drop shadow shading which looks fine in firefox, chrome, where the dropshadow is subtle and clean (just like it looks like in[详细]

2023-03-30 18:02 分类：问答
What format is person's ImageData(CFDataRef) in AddressBook?(Jpeg or PNG)?Or how to determine?

From AddressBook\'s API ABPersonCopyImageData I can get a CFDateRef which is toll-free bridge to NSData. And I want to write this data开发者_StackOverflow社区 to file, but what file extension should I[详细]

2023-03-30 17:12 分类：问答
Convert PNG from premultiplied-alpha to conventional alpha transparancy?

I\'m having a really hard time working with some source images in PNG format that h开发者_高级运维ave premultiplied alpha because most tools simply do not support it correctly.[详细]

2023-03-30 11:45 分类：问答
Read byte array into bitmap

I have a server which provides an encrypted image (converted to base64 for transmission) to my android app. The encrypted image will sit on the SD card until the app receives the key (via QR code scan[详细]

2023-03-30 09:01 分类：问答
Can I save a huge PNG without the whole thing being in memory?

I\'m saving a very large PNG (25 MB or so) with Java. The problem is that while it\'s being generated, it\'s using 3+ gigabytes of memory, which is not ideal since it severely slows down systems with[详细]

2023-03-30 03:56 分类：问答