【资料分享】常见图片格式描述

翔子

TIFF images (*.tif; *.tiff), extended base line implementation  
- 1..16 bits per sample  
- indexed, grayscale, RGB(A), CMYK, L*a*b*  
- uncompressed, packed bits, LZW, CCITT T.4, Thunderscan, Deflate, new style JPEG  
  
GFI fax images (*.fax), uses TTIFFGraphic to read  
  
SGI images (*.bw, *.rgb, *.rgba, *.sgi)  
- 1..16 bits per sample  
- indexed, grayscale, RGB(A)  
- uncompressed, RLE
  
Autodesk images files (*.cel; *.pic) old style only  
- 8 bits per sample, indexed and uncompressed  
  
Truevision images (*.tga; *.vst; *.icb; *.vda; *.win), write support included  
- 5 and 8 bits per sample  
- grayscale, indexed, 15 bits RGB (555), 24 bits RGB(A)(888)  
- uncompressed, RLE  
  
ZSoft Paintbrush images (*.pcx, *.pcc; *.scr)  
- 1..8 bits per sample  
- grayscale, indexed, RGB  
- uncompressed, RLE
  
Kodak Photo-CD images (*.pcd)  
- 8 bits per sample in YCbCr in any resolution (192 x 128 up to 6144 x 4096)  
- Portable pixel/gray map images (*.ppm, *.pgm, *.pbm)  
- 1 and 8 bits per sample  
- grayscale, indexed, RGB uncompressed
  
Dr. Halo images (*.cut, *.pal)  
- 8 bits per sample indexed, RLE compressed  
  
CompuServe images (*.gif)  
- 1, 4, 8 bits per sample indexed, LZW compressed  
  
SGI Alias/Wavefront images (*.rla, *.rpf)  
- 8 bits per sample RGB(A), RLE compressed  
  
Standard Windows bitmap images (*.bmp, *.rle, *.dib)  
  
Photoshop images (*.psd, *.pdd)  
- 1, 8, 16 bits per sample  
- indexed, RGB, CMYK, CIE L*a*b*  
- uncompressed and packed bits
  
Paintshop Pro images (*.psp)  
- 1, 4, 8 bits per sample  
- indexed, grayscale, RGB  
- uncompressed, RLE and LZ77  
- single-layered files only!  
  
Portable network graphic images (*.png)  
- 1, 2, 4, 8, 16 bits per sample  
- indexed, grayscale alpha, RGB(A), LZ77 compressd