TrueTypeFont

Ecng.Drawing

Minimal managed TrueType 'glyf' outline reader and quadratic rasterizer. Accepts .ttf fonts with Unicode cmap format 4/12 and simple/composite outlines. No platform text engine or managed font package is used.

コンストラクター

TrueTypeFont

public TrueTypeFont(byte[] file)

trueTypeFont = TrueTypeFont(file)

Reads the tables of a font file. The bytes are kept and read from as glyphs are asked for.

メソッド

FromFile

public static TrueTypeFont FromFile(string path)

result = TrueTypeFont.FromFile(path)

Opens the font of a file.

OfFamily

public static TrueTypeFont OfFamily(FontCatalog installed, string family)

result = TrueTypeFont.OfFamily(installed, family)

Opens the font the installed ones offer for a family, and the built-in font if they offer none.

TryRender

public bool TryRender(int width, int height, string text, float size, int margin, byte opacity, TextMask mask)

result = trueTypeFont.TryRender(width, height, text, size, margin, opacity, mask)

Renders a line of text for the bottom right corner of a canvas, as large as asked or as fits.

width: Width of the canvas in pixels.
height: Height of the canvas in pixels.
text: The line.
size: The size asked for, in points.
margin: The margin asked for, in pixels.
opacity: How opaque the text is, 0..255.
mask: The line as it is to be drawn.

戻り値: if the canvas has no room for the line, or no pixel of the line would show.