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Bitmap

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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 533:
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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use bitmaps in their built-in graphics subsystems. For example, the
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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).
358: 266:. Similarly, most other image file formats, such as 2619: 2464: 2438: 2292: 2269: 2241: 2218: 2153: 2144: 2059: 1940: 1929: 1721: 1673: 1650: 1622: 1564: 1526: 1441: 1340: 1329: 1157: 1126: 1077: 1039: 987: 870: 859: 514:. TIFF is usually either uncompressed, or lossless 310:). Pixels of 8 bits and fewer can represent either 278:, and GIF, also store bitmap images (as opposed to 46:. Unsourced material may be challenged and removed. 396: 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 829: 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) 2150: 1937: 1337: 867: 836: 822: 814: 673:Computer Graphics: Principles and Practice 386: 375: 367: 359: 357: 106:Learn how and when to remove this message 603: 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. 14: 20: 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 2694: 2632:Comparison of video codecs 1142:(GB/T 33475.2,GY/T 299.1) 759:Microsoft Help and Support 577:Sprite (computer graphics) 463: 425: 117: 2645: 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) 450: 398: 172:A bitmap is a type of 2678:Graphics file formats 2394:QuickTime File Format 755:"DIBs and Their Uses" 442: 399: 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 356: 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 394: 200:. Now, along with 2660: 2659: 2434: 2433: 2352:DivX Media Format 2140: 2139: 1925: 1924: 1325: 1324: 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 378: 370: 362: 286:, since they use 217:Microsoft Windows 178:image file format 116: 115: 108: 90: 2685: 2426:VOB, IFO and BUP 2200:Motion JPEG 2000 2151: 1938: 1897:aptX Low Latency 1674:Chinese Standard 1338: 1127:Chinese Standard 899:Motion JPEG 2000 868: 838: 831: 824: 815: 808: 807: 787: 781: 780: 769: 763: 762: 751: 745: 744: 724: 718: 717: 697: 691: 690: 667: 661: 660: 658: 656: 634: 628: 627: 625: 623: 608: 518:compressed like 516:Lempel-Ziv-Welch 403: 401: 400: 395: 390: 379: 376: 371: 368: 363: 360: 241: 237: 176:organization or 111: 104: 100: 97: 91: 89: 48: 24: 16: 2693: 2692: 2688: 2687: 2686: 2684: 2683: 2682: 2663: 2662: 2661: 2656: 2641: 2615: 2460: 2430: 2288: 2265: 2237: 2214: 2136: 2055: 1953: 1932: 1921: 1717: 1689:(GB/T 33475.3) 1683:(GB/T 20090.10) 1669: 1646: 1618: 1560: 1522: 1437: 1433:MPEG-H 3D Audio 1359:MPEG-1 Layer II 1349: 1332: 1321: 1153: 1122: 1073: 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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: 406: 336: 328: 324:transparency 300:uncompressed 297: 283: 243: 228: 210: 201: 193: 185: 171: 166: 162: 154: 152: 139: 135: 129: 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:. 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Index


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"Bitmap"
news
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scholar
JSTOR
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Bitmap (disambiguation)
computing
pixels
GIF
pixels
memory
image file format
digital images
computer programming
array of bits
Raster
graphical user interfaces
Microsoft Windows
OS/2
GDI
file extension
BMP
InterLeaved Bitmap (ILBM)
Portable Bitmap (PBM)

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