Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for rapidly displaying vector font by set top box (STB)

A vector font, set-top box technology, applied in the embedded field, can solve the problem that the display speed has not been improved, and achieve the effect of accelerated and fast display

Inactive Publication Date: 2013-04-17
FUJIAN NEWLAND COMM SCI TECH
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can only be realized with its specific terminal equipment, and the display speed has not been improved very well

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for rapidly displaying vector font by set top box (STB)

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] refer to figure 1 A method for quickly displaying vector fonts in a set-top box comprises the following steps:

[0025] Step 10, a character circular buffer is set in the set-top box memory;

[0026] Step 20, search the font required by the set-top box in the vector font library through the set-top box freetype program, obtain the character data of the font, and analyze it in the vector font library, and store it in the character loop after anti-aliasing processing buffer, and write down the character encoding and character size of the corresponding character;

[0027] Step 30, when the set-top box draws the characters of the required font, search the character data in the character circulation buffer, and judge whether there is the character code and character size data of the required character; if yes, read directly Corresponding data in the described character circular buffer area is drawn, and is displayed on the screen; Otherwise, return to the operation of step...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a method for displaying a vector font by a set top box (STB), and the method comprises the following steps of: setting a character circulation buffer area in an STB memory; searching a font to be displayed by the STB in a vector word stock through an STB freetype program to obtain character data of the font; analyzing the character data in the vector word stock and performing the antialiasing, then storing in the character circulation buffer area, and recording a character code and a character size corresponding to the character; when the STB draws a word for the character of the required font, searching the character data in the character circulation buffer area, directly reading the searched data from the character circulation buffer area and drawing the word, anddisplaying the word on a screen. By using a character circulation buffer are and rapidly searching in a character code and a character size of the character, the rapid display of the vector font on the STB is accelerated.

Description

【Technical field】 [0001] The invention relates to the field of embedded technology, in particular to a method for quickly displaying vector fonts in a set-top box. 【Background technique】 [0002] With the large-scale popularization of digital TV in the country, the digital TV set-top box as a digital TV terminal product is becoming more and more powerful, and the human-computer interaction interface that is most used by users is also becoming more and more diverse. Users have more and more requirements for font size in different interfaces. For example, the 7-day detailed EPG data in the electronic program guide requires the font to be as small as possible in order to display more content. For the menu, the font is required to be as large as possible for good operation and so on. [0003] For traditional digital TV set-top boxes, dot matrix fonts are used. When zooming in and out, the method of proportional filling is generally used, resulting in serious jagged fonts after ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/22H04N21/431
Inventor 陈晓辉方立
Owner FUJIAN NEWLAND COMM SCI TECH