, - , ( pixel - picture element).
, , . , , (resolution), , .
(size) , , (width) (height). , 15- , , 1024x768.
. , , . (bit), , . - 1 0. , , . , , ( 1), ( 0). (monochrome). , , 24=16 , 0000 1111. 8 - 28=256 ( 00000000 11111111), 16 - 216=65 536 ( High Color). , , 24 , 224=16 777 216 - ! 24-bit True Color. "": 24 , , - .
RGB-. . : RGB, CMYK HSB.
RGB. : (Red), (Green) (Blue), . - (.. 0 255), 16- ( 00 FF). , 16- , , , HTML-.
. HTML : - 000000, - FFFFFF, - FFFF00 . .; , - A7A700. , . .
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CMYK. CMYK , .. .
: (Cyan), (Magenta), (Yellow) (Black). RGB . . .
HSB. RGB CMYK , ( RGB CMYK). HSB , .. . HSB :
(Hue);
(Saturation);
(Brightness).
- . . , . , . , - . . . . , .
. () : . , , . , . , : , . , "" . .
, , . , . |
, . .
. / | . | . , | |||
BMP | 16 777 216 | 65535 x 65535 | RLE | - | |
GIF | 65535 x 65535 | LZW | + | ||
JPEG | 16 777 216 | 65535 x 65535 | JPEG | - | |
PCX | 16 777 216 | 65535 x 65535 | RLE | - | |
PNG | 281 474 976 710 656 | 2 147 483 647 x 2 147 483 647 | Deflation ( LZ77) | - | |
TIFF | 16 777 216 | 4 294 967 295 | LZW, RLE | + |
- GIF JPEG. .
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GIF - . GIF CompuServe, . . . ( ). GIF- " " (Interlaced), , , , . . , . GIF , 256 . .
JPEG . JPEG (Joint Photographic Experts Group - ) C-Cube Microsystems, , , ( ) . JPEG , JPEG ( ). , . , . , JPEG, . , . 10 500 , BMP! JPEG, .
GIF JPEG
1. GIF- .
2. JPEG- .
3. GIF-.