![]() ![]() In the lowercase ‘a’ glyph, the ‘bottom’ anchor is placed at the bottom of the stem of the ‘a’. In the example below of creating an ‘a ogonek’ character, an anchor class has been created called ‘bottom’. ![]() So, in the case of the ‘a ogonek’ character, the ‘a’ base glyph will be positioned normally, and the ‘ogonek’ mark glyph will be positioned so that the anchor point of the mark glyph coincides with the anchor point in the base glyph. The most accurate and efficient way to build accented characters in FontForge is to use ‘anchor points’.Īnchor points allow fine control of the exact positioning of the diacritic mark in relation to each base glyph in the accented characters. Selecting both the above preferences to ‘On’ will center the accent by the width of the character slot. Selecting both the above preferences to ‘Off’ will center the accent in the width of the base glyph. Selecting ‘AccentCenterHighest’ to ‘On’ will center the accent by the highest point of the base glyph. Selecting ‘On’ for the preference ‘AccentCenterLowest’ will center the accent glyph by the lowest point of the base glyph. The preferences for the horizontal placement of the mark glyph can also be set. So a value of ‘6’ will offset the mark glyph from the base glyph by 6 percent of the font’s em square. The value entered here is a percentage of the em square of the font. ‘AccentOffsetPercent’ controls the amount of vertical space between the base glyph and the mark glyph. ![]() ![]() This option is ignored when using anchors to position diacritic marks. ‘PreferSpacingCharacters’ will force FontForge to build accented glyphs with spacing characters even if the appropriate combining characters are present. This automatic placement of diacritic marks can be tuned by preferences, found in the ‘accents’ section of FontForge’s preferences menu ‘File > Preferences > Accents’ (see below). Then selecting the ‘a acute’ character slot and using the ‘Element > Build > Build Accented Glyph’ function, FontForge will place a reference to the lowercase ‘a’ glyph and a reference to the ‘acutecomb’ glyph into the ‘a acute’ character slot (see below). So, using the example of building the ‘a acute’ character (u+00e1), we would need to have already created the lowercase ‘a’ (u+0061) and the ‘acutecomb’ glyph (u+0301). This function can also be performed with the keystroke Ctrl + Shift + A. To auto-build accented characters, FontForge uses the ‘Element > Build > Build Accented Glyph’ function. In FontForge’s ‘Element’ menu is a ‘Build’ function that can be used to create accented characters, certain composite characters, and some duplicate characters. FontForge’s basic auto placement of diacritic marks If the 'acutecomb' is present, then FontForge will always use that, unless you specifically force FontForge to use spacing characters for building accented glyphs. For example, if the combining mark 'acutecomb' (u+0301) is not present, then FontForge will use the standard 'acute' (u+00b4) character when it automatically builds any acute accented glyphs. It should be noted here that if you are not using anchors and lookup tables to position diacritic marks, then, if the glyph of a particular diacritic mark is not present in your font, FontForge will instead use a similar spacing character in place.
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