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  2. X BitMap - Wikipedia

    en.wikipedia.org/wiki/X_BitMap

    Because a single bit represents each pixel (0 for white or 1 for black), each byte in the array contains the information for eight pixels, with the upper left pixel in the bitmap represented by the low bit of the first byte in the array. If the image width does not match a multiple of 8, the extra bits in the last byte of each row are ignored.

  3. Apple Icon Image format - Wikipedia

    en.wikipedia.org/wiki/Apple_Icon_Image_format

    The Apple Icon Image format (.icns) is an icon format used in Apple Inc.'s macOS.It supports icons of 16 × 16, 32 × 32, 48 × 48, 128 × 128, 256 × 256, 512 × 512 points at 1x and 2x scale, with both 1-and 8-bit alpha channels and multiple image states (example: open and closed folders).

  4. ICO (file format) - Wikipedia

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

    The AND mask of an 8x8 pixels bitmap would have 1 byte of data and 3 bytes of padding(8*8*1bpp = 64 bits/8 = 8 bytes of total rows, so each row is 1 byte and 3 bytes of padding are needed), a 16x16 bitmap's AND mask would have 2 bytes of data and 2 bytes of padding, a 32x32 bitmap's AND mask would have 4 bytes of data and no padding.

  5. Typography of Apple Inc. - Wikipedia

    en.wikipedia.org/wiki/Typography_of_Apple_Inc.

    The family consisted of Sans & Serif, Regular and Bold in discrete bitmap sizes of 8, 9, 10, 12 & 14 pt. The Sans, proving most useful for screen readability, was also used for the Newton OS GUI. The Newton used the font Apple Casual to display text entered using the Rosetta handwriting recognition engine in the Newton.

  6. Bitmap - Wikipedia

    en.wikipedia.org/wiki/Bitmap

    In some contexts, the term bitmap implies one bit per pixel, whereas pixmap is used for images with multiple bits per pixel. [3] [4] A bitmap is a type of memory organization or image file format used to store digital images. The term bitmap comes from the computer programming terminology, meaning just a map of bits, a spatially mapped array of ...

  7. Image tracing - Wikipedia

    en.wikipedia.org/wiki/Image_tracing

    The bitmap image is composed of a fixed set of pixels, while the vector image is composed of a fixed set of shapes. In the picture, scaling the bitmap reveals the pixels while scaling the vector image preserves the shapes. An image does not have any structure: it is just a collection of marks on paper, grains in film, or pixels in a bitmap ...

  8. Bitwise trie with bitmap - Wikipedia

    en.wikipedia.org/wiki/Bitwise_trie_with_bitmap

    The AMT uses eight 32-bit bitmaps per node to represent a 256-ary trie that is able to represent an 8 bit sequence per node. With 64-Bit-CPUs (64-bit computing) a variation is to have a 64-ary trie with only one 64-bit bitmap per node that is able to represent a 6 bit sequence. Trie node with bitmap that marks valid child branches.

  9. X PixMap - Wikipedia

    en.wikipedia.org/wiki/X_PixMap

    X PixMap (XPM) is an image file format used by the X Window System, created in 1989 by Daniel Dardailler and Colas Nahaboo working at Bull Research Center at Sophia Antipolis, France, and later enhanced by Arnaud Le Hors. [2] [3] It is intended primarily for creating icon pixmaps, and supports transparent pixels.