Table of Contents
1. PostScript Level Comparison
Comprehensive comparison of features across PostScript Levels 1, 2, and 3.
2. Feature Comparison
| Feature | Level 1 | Level 2 | Level 3 |
|---|---|---|---|
Color Support |
Grayscale only |
RGB, CMYK, HSB |
+ DeviceN, smooth shading |
Dictionaries |
Fixed size |
Auto-expanding |
Auto-expanding |
Fonts |
Single-byte |
Composite fonts |
Composite fonts |
Images |
Monochrome |
Color images |
+ Advanced compression |
Memory Management |
Basic |
Local/Global VM |
Local/Global VM |
Packed Arrays |
No |
Yes |
Yes |
Patterns |
No |
Yes (Level 2) |
Yes |
Forms |
No |
Yes |
Yes |
Filters |
No |
Yes |
Yes |
PDF Integration |
Limited |
Better |
Excellent |
Operators |
~250 |
~370 |
~380 |