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Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters, shade characters, and terminal graphic characters.
The limitations of computers of that time period necessitated the use of text characters to represent images. Along with ASCII's use in communication, however, it also began to appear in the underground online art groups of the period. An ASCII comic is a form of webcomic which uses ASCII text to create images. In place of images in a regular ...
Grok is a computer software library to encode and decode images in the JPEG 2000 format. It is designed for stability, high performance, and low memory usage. Grok is free and open-source software released under the GNU Affero General Public License (AGPL) version 3.
The World System Teletext (WST) uses pixel-drawing characters for some graphics. A character cell is divided in 2×3 regions, and 2 6 = 64 code positions are allocated for all possible combinations of pixels. [4] These characters were added to the Unicode standard in Version 13. [5]
For large amounts of caption text, use text-align:left; to make it left-justified. Alternate text is optional but recommended. See Alternate text for images for hints on writing good alternate text. To have some text to the left of an image, and then some more text below the image, then put in a single <br clear="all">.
An example of alt attribute text being displayed in place of an unavailable image, with the underlying HTML displayed below it The Wikipedia article for Wolf on the Lynx web browser, displaying the text of the alt attribute in orange in place of the images. The text in the alt attribute is used to replace the image when the image cannot be ...
For image editing users are advised to capture or save images in a raw or uncompressed format, and then edit a copy of that master version, only converting to lossy formats if smaller file sized images are needed for final distribution. As with audio, transcoding from lossy format to another format of any type will result in a loss of quality.
Figure 3 shows a Single Image Random Text Stereogram (SIRTS) based on the same idea as a Single Image Random Dot Stereogram . The word "Hi" in relief can be seen when the image clicks into place. () Some people have included stereograms in their "signature" at the end of electronic mail messages and news articles. Figure 4 is such an example.