loading gif transparent small transparent

#Loading gif transparent small transparent windows 10#
#Loading gif transparent small transparent software#

It’s either a cache (or corrupted cache) issue or a problem with your monitor perhaps. I think we can deduce from the above that the problem lies at your end somewhere My devices iphone5s and iphone7 also show the image backgrounds as transparent. I also have an imac (macOS High Sierra 10.13.4) and all browsers on that show your images as transparent also (Safari, Firefox and Chrome).

#Loading gif transparent small transparent windows 10#

I have windows 10 pro and all my browsers are showing a transparent background (IE11, Edge.

#Loading gif transparent small transparent software#

It might be a good idea for anyone implementing this in software to try both horizontal and vertical scales to see which direction performs the best as far as file sizes go but I'm leaning toward vertical as being better.I am on Windows 10 and Internet Explorer, Opera, Edge & Firefox all display black backgrounds. The probability is quite high that the sequence between any two given rows will be identical, which may translate to a mere 10 to 20% increase in overall file size. GIF under the hood uses LZW compression, which attempts to find the longest repeating sequence and compresses the file based on that information. Now some of you might be thinking, 'Won't this bloat the file size?' Not necessarily. So if 8 vertical pixels are of one opaque color and the remaining 3 are transparent, then that will result in the final calculated pixel being 70 percent opaque. The browser operates on RGBA and will do bicubic scaling on all four channels.

Save the file and hardcode the original size in a HTML document.

Do transparent first and solids second on the top half of the image and solids first and transparent second on the bottom half of the image.

Delete the appropriate number of pixels to represent the opacity.

In an image editor, take a GIF image and stretch it to 11 times its size in height using Nearest Neighbor (not bicubic!).

Regardless, this effect is widespread enough that it can now be abused. doing this became 'free' from a programming perspective). Depending on the browser, display of images may simply be offloaded to the GPU, which is specialized hardware for doing things like resampling image data (i.e. This happened to make more websites look nicer when resizing images and because the processing power was sufficient to handle the extra load on the CPU. In recent years, browser vendors introduced smooth resizing algorithms into the image presentation core. The end result is that 'jaggies' appear along the edges of most GIF images and are particularly noticeable in transparent animated GIFs. A pixel is either fully opaque or fully transparent. Beyond natively supporting 256 colors (there are ways around the 256 color limitation via GIF animation palettes), one of the format's greatest weaknesses is the inability to store semi-transparent data. Regardless, GIF keeps finding ways to come back again and again. MNG (animated PNG) was supposed to be the replacement for animated GIF, but it never took off for a variety of reasons. PNG has largely supplanted GIF for static images. One of the areas it has traditionally been weak in is transparency. It was invented in the late 1980's and is still used on the Internet today for some animations. GIF is one of the oldest image file formats. Such as the 1-bit alpha channels like those found in GIF images. I then realized that this behavior could be abused when applied to a 1-bit alpha channel. And then I realized that the first image looked a bit anti-aliased, which reminded me that a lot of web browsers will use bicubic scaling to resize larger images. Then I realized that the browser was resizing the image to the smaller size. Today, I was looking at this logo on the PHP website trying to figure out why it was so distracting:Īnd then, after digging around for a bit, I realized that the image was larger than it looked: And your head will hurt thinking about what I've done to the Internet. Are you ready to return to the 1980's? Uh.me neither.