448:. The main purpose of DIBs is to allow bitmaps to be moved from one device to another (hence, the device-independent part of the name). A DIB is an external format, in contrast to a device-dependent bitmap, which appears in the system as a bitmap object (created by an application...). A DIB is normally transported in metafiles (usually using the StretchDIBits() function), BMP files, and the Clipboard (CF_DIB data format).
22:
161:, where each pixel may store more than two colors, thus using more than one bit per pixel. In such a case, the domain in question is the array of pixels which constitute a digital graphic output device (a screen or monitor). In some contexts, the term
436:, as an aid to exchanging bitmaps between devices and applications with a variety of internal representations. They called these device-independent bitmaps "DIBs", and the file format for them is called DIB file format or
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There are also a variety of "raw" image files, which store raw bitmaps with no other information. Such raw files are just bitmaps in files, often with no header or size information (they are distinct from photographic
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or unpacked (spaced out to byte or word boundaries), depending on the format or device requirements. Depending on the color depth, a pixel in the picture will occupy at least n/8 bytes, where n is the bit depth.
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The term bitmap, strictly speaking, applies only to 1-bit-per-pixel bilevel systems; for multiple-bit-per-pixel systems, we use the more general term pix-map (short for pixel map).
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in particular provides the same information as a bitmap in a smaller file size. TIFF and JPEG have various options. JPEG is usually
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size, if any, are not included. Due to effects of row padding to align each row start to a storage unit boundary, such as a
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images in general may be referred to as bitmaps or pixmaps, whether synthetic or photographic, in files or memory.
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Here, "device independent" refers to the format, or storage arrangement, and should not be confused with
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As a noun, the term "bitmap" is very often used to refer to a particular bitmapping application: the
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A device-independent bitmap (DIB) is a format used to define device-independent bitmaps in various
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are generally stored with a variable number of bits per pixel which identify its color (the
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Communicating
Science Effectively: a practical handbook for integrating visual elements
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For an uncompressed, packed-within-rows bitmap, such as is stored in
Microsoft DIB or
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format, a lower bound on storage size for a n-bit-per-pixel (2 colors) bitmap, in
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Microsoft has defined a particular representation of color bitmaps of different
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612:"ARCHIVED: What are bitmap and vector graphics, and how are they different"
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397:{\displaystyle {\text{size}}={\text{width}}\cdot {\text{height}}\cdot n/8}
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use bitmaps in their built-in graphics subsystems. For example, the
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142:) graphic is an image formed from rows of different colored
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is an example of a graphics image file that uses a bitmap.
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Julian Smart; Stefan Csomor & Kevin Hock (2006).
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266:. Similarly, most other image file formats, such as
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514:. TIFF is usually either uncompressed, or lossless
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46:. Unsourced material may be challenged and removed.
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169:is used for images with multiple bits per pixel.
329:The bits representing the bitmap pixels may be
703:Comprehensive Computer Graphics: Including C++
422:Device-independent bitmaps and BMP file format
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730:Cross-Platform GUI Programming with Wxwidgets
8:
407:where width and height are given in pixels.
676:. Addison-Wesley Professional. p. 13.
282:), but they are not usually referred to as
264:Wireless Application Protocol Bitmap (WBMP)
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673:Computer Graphics: Principles and Practice
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106:Learn how and when to remove this message
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410:In the formula above, header size and
7:
637:Gregersen, Erik (January 26, 2022).
44:adding citations to reliable sources
651:from the original on April 21, 2024
618:from the original on April 21, 2024
229:Windows and OS/2 bitmap file format
165:implies one bit per pixel, whereas
2627:Comparison of audio coding formats
706:. Laxmi Publications. p. 93.
542:format along with extensive image
440:. According to Microsoft support:
418:, additional bytes may be needed.
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31:needs additional citations for
2189:ISO/IEC base media file format
526:lossless compression, another
1:
790:J. Thomas; A. Jones (2006).
192:terminology, meaning just a
773:"List of bitmap file types"
157:, which refers to a map of
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2632:Comparison of video codecs
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759:Microsoft Help and Support
577:Sprite (computer graphics)
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460:Other bitmap file formats
252:InterLeaved Bitmap (ILBM)
244:device-independent bitmap
231:, usually named with the
213:graphical user interfaces
454:device-independent color
349:, can be calculated as:
2456:Alliance for Open Media
700:V.K. Pachghare (2005).
670:James D. Foley (1995).
644:Encyclopædia Britannica
120:Bitmap (disambiguation)
1376:MPEG-1 Layer III (MP3)
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172:A bitmap is a type of
2678:Graphics file formats
2394:QuickTime File Format
755:"DIBs and Their Uses"
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341:, or in uncompressed
256:Portable Bitmap (PBM)
196:, a spatially mapped
2653:Compression software
2210:MPEG media transport
1287:Sorenson Video/Spark
508:Lossless compression
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290:formats internally.
190:computer programming
118:For other uses, see
40:improve this article
2673:Bit data structures
2651:for techniques and
2649:Compression methods
1145:HDR Vivid(GY/T 358)
777:File-Extensions.org
227:subsystem uses the
796:. IWA Publishing.
466:Image file formats
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200:. Now, along with
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1215:Microsoft Video 1
1150:AVS3 P2(GY/T 368)
1136:(GB/T 20090.2/16)
733:. Prentice Hall.
556:Free space bitmap
536:raw image formats
512:lossy compression
446:color resolutions
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217:Microsoft Windows
178:image file format
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2426:VOB, IFO and BUP
2200:Motion JPEG 2000
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1897:aptX Low Latency
1674:Chinese Standard
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1127:Chinese Standard
899:Motion JPEG 2000
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474:uses a similar
472:X Window System
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438:BMP file format
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428:BMP file format
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302:bitmaps, image
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2637:List of codecs
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1774:Monkey's Audio
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1371:MPEG-1 Layer I
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977:Part 2 / LCEVC
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260:X Bitmap (XBM)
233:file extension
182:digital images
180:used to store
125:Computing term
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948:Part 2 / HEVC
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57: –
56:
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51:Find sources:
45:
41:
35:
34:
29:This article
27:
23:
18:
17:
1703:(GB/T 22726)
1364:Multichannel
1220:MSU Lossless
1134:AVS1 P2/AVS+
1088:TrueMotion S
1026:H.265 / HEVC
972:Part 1 / EVC
960:Part 3 / VVC
926:Part 2 / ASP
792:
785:
776:
767:
758:
749:
729:
722:
702:
695:
687:
672:
665:
653:. Retrieved
642:
632:
620:. Retrieved
606:
532:
487:
482:images, and
469:
451:
443:
434:color depths
431:
409:
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336:
328:
324:transparency
300:uncompressed
297:
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139:
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127:
102:
93:
83:
76:
69:
62:
50:
38:Please help
33:verification
30:
2421:MOD and TOD
2362:Flash Video
2300:3GP and 3G2
1981:HEIC / HEIF
1933:compression
1693:Audio Vivid
1428:MPEG-D USAC
1423:MPEG-4 CELP
1418:MPEG-4 HVXC
1333:compression
1165:Apple Video
1081:and AOMedia
1031:H.266 / VVC
1021:H.264 / AVC
863:compression
848:compression
567:Raster scan
522:. PNG uses
478:format for
308:color depth
298:In typical
246:). Besides
223:platforms'
194:map of bits
184:. The term
2667:Categories
2655:for codecs
2602:Daubechies
2577:Transforms
2479:Arithmetic
2146:Containers
1851:True Audio
1695:(GY/T 363)
1413:MPEG-4 DST
1408:MPEG-4 SLS
1403:MPEG-4 ALS
1277:SheerVideo
1251:QuickTime
1079:TrueMotion
845:Multimedia
598:References
528:Lempel-Ziv
506:are used.
288:compressed
96:April 2024
66:newspapers
2404:RealMedia
2006:JPEG 2000
1809:RealAudio
1789:OptimFROG
1267:RealVideo
1255:Animation
1225:OMS Video
852:container
655:April 21,
622:April 21,
530:variant.
381:⋅
373:⋅
312:grayscale
132:computing
2523:Lossless
2489:Modified
2382:Matroska
2261:Matroska
2172:MPEG-PES
1784:Musepack
1681:AVS1 P10
1260:Graphics
1210:Lagarith
649:Archived
639:"bitmap"
616:Archived
550:See also
544:metadata
488:pixelmap
55:"Bitmap"
2597:Wavelet
2538:DEFLATE
2484:Huffman
2474:Entropy
2466:Methods
2451:MPEG LA
2340:Smacker
2228:H.222.0
2184:MPEG-TS
2179:MPEG-PS
2167:MPEG-ES
2051:TIFF/IT
2046:TIFF/EP
2031:JPEG XT
2026:JPEG XS
2021:JPEG XR
2016:JPEG XL
2011:JPEG-LS
1892:aptX HD
1872:WavPack
1814:RTAudio
1754:Codec 2
1687:AVS2 P3
1614:GSM-EFR
1584:AMR-WB+
1518:G.729.1
1498:G.723.1
1488:G.722.2
1483:G.722.1
1282:Smacker
1272:RTVideo
1200:Huffyuv
1180:Cinepak
1140:AVS2 P2
854:formats
524:deflate
284:bitmaps
155:pix-map
80:scholar
2399:RatDVD
2293:Others
2060:Others
1862:VMR-WB
1857:TwinVQ
1722:Others
1609:GSM-FR
1604:GSM-HR
1594:EVRC-B
1579:AMR-WB
1551:Vorbis
1391:AAC-LD
1386:HE-AAC
1292:Theora
1235:ProRes
1230:Pixlet
1158:Others
967:MPEG-5
955:MPEG-I
943:MPEG-H
921:MPEG-4
914:Part 2
909:MPEG-2
904:MPEG-1
800:
737:
710:
680:
582:Voxels
502:, and
377:height
331:packed
304:pixels
262:, and
206:Raster
202:pixmap
186:bitmap
174:memory
167:pixmap
163:bitmap
159:pixels
144:pixels
140:raster
136:bitmap
82:
75:
68:
61:
53:
2620:Lists
2565:ADPCM
2560:µ-law
2555:A-law
2528:Lossy
2501:ACELP
2446:NETVC
2271:SMPTE
2233:T.802
2220:ITU-T
2196:(MP4)
1996:JBIG2
1959:ITU-T
1931:Image
1867:VSELP
1844:SVOPC
1834:Siren
1804:RCELP
1799:QCELP
1744:ATRAC
1729:ACELP
1546:Speex
1513:G.729
1508:G.728
1503:G.726
1493:G.723
1478:G.722
1473:G.719
1468:G.718
1461:µ-law
1456:A-law
1451:G.711
1443:ITU-T
1331:Audio
1205:Indeo
1185:Daala
1041:SMPTE
1016:H.263
1011:H.262
1006:H.261
1001:H.120
989:ITU-T
894:MJPEG
861:Video
369:width
347:bytes
322:(for
318:. An
211:Many
87:JSTOR
73:books
2647:See
2592:MDCT
2570:DPCM
2516:WLPC
2506:CELP
2409:RIFF
2387:WebM
2377:M2TS
2367:HEIF
2335:Bink
2315:AIFF
2243:IETF
2132:WebP
2127:WBMP
2122:QTVR
2102:ICER
2097:FLIF
2087:DjVu
2077:AVIF
2067:APNG
2041:TIFF
2001:JPEG
1991:JBIG
1986:HEVC
1963:JPEG
1950:IETF
1917:LLAC
1912:LHDC
1907:LDAC
1887:aptX
1848:TTA
1829:SILK
1769:MELP
1764:Lyra
1759:iSAC
1749:CELT
1739:Asao
1734:ALAC
1712:ExAC
1707:L2HC
1637:AC-4
1632:AC-3
1624:ETSI
1589:EVRC
1566:3GPP
1556:FLAC
1541:iLBC
1536:Opus
1528:IETF
1351:MPEG
1317:YULS
1297:Thor
1245:4444
1195:FFV1
1175:Bink
1069:VC-6
1064:VC-5
1059:VC-3
1054:VC-2
1049:VC-1
993:VCEG
881:MPEG
850:and
798:ISBN
735:ISBN
708:ISBN
678:ISBN
657:2024
624:2024
540:TIFF
504:JPEG
500:TIFF
470:The
416:word
361:size
343:TIFF
272:TIFF
268:JPEG
242:for
240:.DIB
238:(or
236:.BMP
221:OS/2
219:and
146:. A
134:, a
59:news
2607:DWT
2587:FFT
2582:DCT
2550:PCM
2543:LZW
2511:LSP
2496:LPC
2414:WAV
2372:IFF
2357:EVO
2347:BMP
2330:BPG
2320:AVI
2310:ASF
2305:AMV
2284:MXF
2279:GXF
2256:Ogg
2251:RTP
2159:IEC
2155:ISO
2117:QOI
2112:PGF
2107:MNG
2092:EXR
2082:BPG
2072:AV1
2036:PNG
1976:GIF
1955:W3C
1946:ISO
1942:IEC
1882:MQA
1877:WMA
1839:SMV
1824:SHN
1819:SD2
1794:OSQ
1779:MT9
1701:DRA
1665:LC3
1660:SBC
1642:DTS
1599:EVS
1574:AMR
1381:AAC
1346:IEC
1342:ISO
1312:XEB
1307:WMV
1240:422
1190:DVI
1170:AVS
1118:AV1
1113:VP9
1108:VP8
1103:VP7
1098:VP6
1093:VP3
876:IEC
872:ISO
546:).
520:GIF
496:PNG
492:GIF
484:XPM
476:XBM
314:or
276:PNG
248:BMP
225:GDI
148:GIF
130:In
42:by
2669::
2533:LZ
2325:AU
2157:,
1961:,
1957:,
1952:,
1948:,
1944:,
1344:,
1302:Ut
991:,
889:DV
878:,
874:,
775:.
757:.
686:.
647:.
641:.
498:,
494:,
456:.
274:,
270:,
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254:,
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830:t
823:v
806:.
779:.
743:.
716:.
659:.
626:.
486:(
392:8
388:/
384:n
365:=
122:.
109:)
103:(
98:)
94:(
84:·
77:·
70:·
63:·
36:.
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