The FreeType project[TT00] has developed a complete font rasterization engine for most outline font formats along with standard X PCF bitmap fonts. The Render extension takes glyph images and presents them on the screen. All that was needed was a thin layer of glue code to fit between Free...
每个Glyph结构包括一个覆盖字形外形的alpha掩码(一个描述不透明值的矩形映象)、从alpha掩码原点到名义字符原点的偏移量、到下一字形的位移(包括垂直和水平的偏移量),GlyphSet结构则包含了一个字形结构的集合,应用程序使用一个32位的索引对字形集进行编号。 应用程序绘制文本时,把一个GlyphSet标识符以及一系列针对该Gly...
FT_BitmapGlyph FTGlyph; //glyph int AAMode; //antialiased mode for every char CAlphaBlendColor* solid; CAlphaBlendColor* shadow; //alpha blender bool bInvertColor; // invert color for chrome/skia } FreeTypeGlyphInfo, *PFreeTypeGlyphInfo; // 2階調 static void FreeTypeDrawBitmapPixel...
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