Microsoft Office Tutorials and References
In Depth Information
Chapter 3: Handling Graphics, Photos, and Clip Art
The difference between the two formats is that vector graphics do not
distort when you enlarge or shrink them, whereas bitmap graphics lose
resolution when their size is changed. Furthermore, vector images do not require
nearly as much disk space as bitmap graphics. Drop a few bitmap graphics
in a file and soon you’re dealing with a file that is close to 750K in size.
Table 3-1 describes popular bitmap graphic formats; Table 3-2 lists popular
vector graphic formats.
Table 3-1
Bitmap (Photograph) File Formats
Extension
File Type
Color Depth
Compression
BMP, BMZ,
DIB
Microsoft Windows Bitmap
To 24-bit
None
GFA, GIF
Graphics Interchange Format
To 8-bit
Lossy
JPEG, JPG,
JFIF, JPE
JPEG File Interchange Format
To 24-bit
Lossy
PICT
Macintosh PICT
To 32-bit
None
PNG
Portable Network Graphics
To 48-bit
Lossless
RLE
Bitmap File in RLE
Compression Scheme
To 24-bit
None
TIF, TIFF
Tagged Image File Format
To 24-bit
Lossless
Table 3-2
Vector (Clip Art) File Formats
Extension
File Type
CDR
CorelDRAW
CGM
Computer Graphics Metafile
EMF
Enhanced Windows Metafile
EMZ
Windows Enhanced Metafile
EPS
Encapsulated PostScript
PCT
Macintosh PICT
WMF
Windows Metafile
WPG
WordPerfect Graphics
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