Embedded equipment lightweight outline font
DigiType Font
DigiType is a proprietary scalable font that was developed particularly for embedded systems to optimize drawing quality and speed.
Introduction
Stroke-Based Font
DigiType Font is developed from the patented Stroke-Based technology, which can significantly minimize font date size while maintaining high quality scalable outline. DigiType is most suitable for high resolution, multi-functional devices with limited memory space.
Rendering Image
Software Rasterizing(rendering)
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Hardware Rasterizing(by OpenVG)
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Revising Function・Decorative Function
Hinting Function
●Stem Loss Hinting
●Dropout Control Hinting
●Grid Fitting
Rasterizer Revising Function
●Reduce shades of gradation
●Adjust stroke positions
●Adjust stroke colors
Small Size Revising Function (option)
●Strokes Reducing Hinting Technology
The Strokes Reducing Hinting technlogy developed by DynaComware reduces or moves the appropriate strokes when rendering Chinese characters with complex strokes, which makes small print clearly readable. By this technology, the legibility of the small print is enhanced without affecting character recognition.
Anti-Alias Function(Smoothing Function)
●4, 16, and 256 shades of gray
Decorative Function
Other Features and Functions
Chinese national character standard, or GB18030 (License certificate will be issued by NITS)
DigiType Plug-In for FreeType Engine
Universal Design Font
Screen Font
Font Specification
| CPU | Independent |
|---|---|
| OS | Independent |
| Programming Language | Ｃ |
| Library Size | [shared library]260ＫＢ、[Basic library]150ＫＢ |
| Working Memory | [shared library]256ＫＢ、[Basic library]120ＫＢ |
［Advanced Library］
Support 41 languages
Support hardware acceleration
Support Layout Engine
［Basic Library］
Support software rendering only
Language Support (Corresponding to up to 44 digital TV language characters)
| Japanese | Chinese(Simplified Chinese character) | Chinese(Traditional Chinese character) | Chinese(Hong Kong) |
| Korean | English | Arabic | Icelandic |
| Italian | Indonesian | Eskimo | Estonian |
| Esperanto | Dutch | Croatian | Greek |
| Cyrillic | Swedish | Spanish | Slovak |
| Slovene | Sorbian | Thai | Czech |
| Danish | German | Turkish | Norwegian |
| Nordic | Hungarian | Hindi | Finnish |
| Faroese | French | Vietnamese | Hebrew |
| Persian | Portuguese | Polish | Maltese |
| Lapp | Latvian | Lithuanian | Romanian |
Font Data Size
| Language | Standards | Font Date Size(DigiType) | Font Data Size(TrueType) |
|---|---|---|---|
| Japanese | JIS-X0208、X0201 | ～ 650KB | ～ 2,300KB |
| Chinese(Simplified) | GB18030 | ～ 2,400KB | ～ 8,000KB |
| Chinese(Traditional) | Big5 | ～ 1,100KB | ～ 7,300KB |
| Chinese(Hong Kong) | Big5＋HKSCS | ～ 1,500KB | ～ 9,700KB |
| Korean | KSX1001 | ～ 740KB | ～ 2,300KB |
| European | Unicode | ～ 190KB | ～ 250KB |
| Arabic | Unicode | ～ 380KB | ～ 500KB |
| Thai | Unicode | ～ 30KB | ～ 40KB |
| Vietnamese | Unicode | ～ 210KB | ～ 280KB |
| Hindi | Unicode | ～ 300KB | ～ 400KB |
| Hebrew | Unicode | ～ 30KB | ～ 40KB |
※ Data Size can be reduced depending on user enviroment.
Font Layout Engine Specification
Common API Specification of Font Layout Engine
| CPU | Independent |
|---|---|
| OS | Independent |
| Programming language | C |
| Library size | Appx. 260KB(Common in Arabic / Thai / Hindi) |
| Working Memory | Appx. 256KB(Common in Arabic / Thai / Hindi) |
※ Shared in both DigiType and Bitmap.
Font Data Size
| Arabic | Thai | Vietnamese | Hindi | Hebrew | |
|---|---|---|---|---|---|
| Bitmap | 100KB～ | 22KB～ | 40KB～ | 44KB～ | 30KB～ |
| DigiType | 420KB | 67KB | 120KB | 200KB | 70KB～ |
| Conforming to | Unicode | ||||
※ Each size has different data size in Bitmap Font.
※ Bitmap Font is compatible only with BDF data as of now.
Deliverables
Bitmap Font
● Layout engine library
● Font data
● Layout porting / specification guides
DigiType Font
● Layout engine library
● Rasterizer library
● Font data
● Rasterizer specification guide
● Layout porting / specification guides