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  2. RGBA color model - Wikipedia

    en.wikipedia.org/wiki/RGBA_color_model

    In computer graphics, pixels encoding the RGBA color space information must be stored in computer memory (or in files on disk). In most cases four equal-sized pieces of adjacent memory are used, one for each channel, and a 0 in a channel indicates black color or transparent alpha, while all-1 bits indicates white or fully opaque alpha.

  3. Help:Using colours - Wikipedia

    en.wikipedia.org/wiki/Help:Using_colours

    Saturation 10% Brightness 100% 2nd header, accent colour Saturation 15% Brightness 95% main border header background Saturation 15% Brightness 75% header border only Note: for layouts with no spacing between borders, use the darker border colour. Hue: 0: #FFF5F5: #FFE6E6: #F2CECE: #BFA3A3 Hue: 10: #FFF7F5: #FFEAE6: #F2D4CE: #BFA7A3 Hue: 20: # ...

  4. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    Header file of a .hdr/.img pair in NIfTI format, used extensively in biomedical imaging. 52 41 46 36 34: RAF64: 0 Report Builder file from Digital Metaphors: 56 49 53 33: VIS3: 0 Resource file Visionaire 3.x Engine: 4D 53 48 7C 42 53 48 7C: MSH| BSH| 0 hl7 Health Level Seven (HL7) Standard for electronic data exchange : 70 77 72 64 61 74 61 ...

  5. Template:Opacity/doc - Wikipedia

    en.wikipedia.org/wiki/Template:Opacity/doc

    The following is used to create text with 25% opacity: {{opacity|0.25|Example Text}} Which produces this: Example Text You can also leave the first parameter blank to use the default of 50%.

  6. ICO (file format) - Wikipedia

    en.wikipedia.org/wiki/ICO_(file_format)

    However, earlier versions of Windows interpret all pixels with 100% opacity unless an AND mask is supplied with the image. Supplying a custom AND mask will also allow for tweaking and hinting by the icon author. Even if the AND mask is not supplied, if the image is in Windows BMP format, the BMP header must still specify a doubled height.

  7. CTA-708 - Wikipedia

    en.wikipedia.org/wiki/CTA-708

    SDI transports every eight bits in a 10-bit aligned packet and the ancillary flag bytes are replaced by 128 bit header. A cdp_timecode is used when cdp data stream is discontinuous (i.e., not padded) and the cdp_service_info is used to add extra details to the PSIP broadcast metadata such as language code, easy reader, and widescreen usage.

  8. Comparison of graphics file formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_graphics...

    Format Compression algorithm Raster/ vector Maximum Color depth. Indexed color Trans-parency. Meta-data. Inter-lacing. Multi-page Anima-tion Layers Color manage-ment

  9. Opacity - Wikipedia

    en.wikipedia.org/wiki/Opacity

    Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer , it describes the absorption and scattering of radiation in a medium , such as a plasma , dielectric , shielding material , glass, etc.