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It is most useful with a transparent background, e.g. svg or png. Its height is set to determine its scale. By default its top-left corner is aligned with the top-left corner of the frame. It can be shifted right and down relative to the frame to position it over part of the background image. It may have its own alt text set.
This image has partial transparency (254 possible levels of transparency between fully transparent and fully opaque). It can be transparent against any background despite being anti-aliased. Some image formats, such as PNG and TIFF, also allow partial transparency through an alpha channel, which solves the edge limitation problem.
A color spectrum image with an alpha channel that falls off to zero at its base, where it is blended with the background color.. In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1]
This template is for grouping several images in an infobox, with the possibility of aligning up to 7 rows with up to 7 columns. This template is not intended to be used outside of an infobox or sidebar.
PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF". [ 6 ] PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without an alpha channel for transparency), and ...
Sequence numbers apply to both frame control and frame data chunks, which together follow a common sequence, thus enabling the order and timing of frames to be recovered should an APNG-unaware PNG editor re-order them as allowed by PNG chunk ordering rules. [12] Frames utilize the same bit depth, color type, compression method, filter method ...
Frame delay: 0.09 second delay before painting next frame 326: FF: Transparent color index (unused in this frame) 327: 00: End of sub-block chain for Graphic Control Extension block 328: 2C ',' An Image Descriptor (introduced by 0x2C, an ASCII comma ',') 329: 00 00 00 00 (0, 0) North-west corner position of image in logical screen: (0, 0) 32D ...
The top layer (the bird) is partially transparent, so the background clearly can be seen through its wing. In this picture the top layer has a drop shadow , a red color overlay of 40%, a gradient overlay from red to yellow of 20% opacity, and a slight bevel effect.