What is font rendering (fonts Rendering)?

I. Overview

Ideal text refers to shapes that are depicted using vector graphics.

Rasterization (rasterization) refers to converting vectors to pixels.

Three rendering strategies (Rendering strategies)

First generation: Black and white rendering (black-and-white rendering)

Second generation: Grayscale rendering (grayscale rendering)

Three generations: Subpixel rendering (subpixel rendering)

The Windows system has two sets of graphics rendering interfaces: GDI (Graphics Devices Interface Graphics device Interface) and Directwrite (after Vista), Microsoft's sub-pixel rendering technology is called ClearType

The relationship between the font rendering policy and the browser and font format:

PS Finger postscript,tt Finger turetype

Mac OS is using the Quartz rendering engine

Apple generally believes that the goal of the font rendering algorithm should be to restore the design of the font as much as possible, even if the cost is somewhat blurred.

Microsoft believes that the shape of the character should be aligned with pixels to prevent blurring and improve readability, even if the font is distorted.

Second, the tool

Mactype by domestic netizens Flyingsnow in gdi++ (Japan Development) based on the continued development of

Third, other

NTSC (National Television System Committee) U.S. state television System Committee

What is font rendering (fonts Rendering)?