raster.txt

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Author : Werner Lemberg
Date : 2003-12-08 21:11:31
Hash : 60217b7a
Message : * docs/raster.txt: New file, taken from FreeType 1 and completely revised.

docs/raster.txt

                   How FreeType's rasterizer work

                          by David Turner

                        Revised 2003-Dec-08


This file  is an  attempt to explain  the internals of  the FreeType
rasterizer.  The  rasterizer is of  quite general purpose  and could
easily be integrated into other programs.


  I. Introduction

 II. Rendering Technology
     1. Requirements
     2. Profiles and Spans
        a. Sweeping the Shape
        b. Decomposing Outlines into Profiles
        c. The Render Pool
        d. Computing Profiles Extents
        e. Computing Profiles Coordinates
        f. Sweeping and Sorting the Spans


I. Introduction
===============

  A  rasterizer is  a library  in charge  of converting  a vectorial
  representation of a shape  into a bitmap.  The FreeType rasterizer
  has  been  originally developed  to  render  the  glyphs found  in
  TrueType  files, made  up  of segments  and second-order  B

kc3-lang/freetype/docs/raster.txt

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