biojs-vis-pdbviewer/external/jmol-14.2.4/jsmol/j2s/JSV/js2d/JsFont.js

A BioJS 2.0 component to view protein structures

Clazz.declarePackage ("JSV.js2d");
c$ = Clazz.declareType (JSV.js2d, "JsFont");
c$.newFont = Clazz.defineMethod (c$, "newFont", 
function (fontFace, isBold, isItalic, fontSize, type) {
fontFace = (fontFace.equals ("Monospaced") ? "Courier" : fontFace.startsWith ("Sans") ? "Sans-Serif" : "Serif");
return (isBold ? "bold " : "") + (isItalic ? "italic " : "") + fontSize + type + " " + fontFace;
}, "~S,~B,~B,~N,~S");
c$.getFontMetrics = Clazz.defineMethod (c$, "getFontMetrics", 
function (font, context) {
{
if (context.font != font.font) {
context.font = font.font;
font.font = context.font;
context._fontAscent = Math.ceil(font.fontSize); //pt, not px
// the descent is actually (px - pt)
// but I know of no way of getting access to the drawn height
context._fontDescent = Math.ceil(font.fontSize * 0.25);//approx
}
}return context;
}, "javajs.awt.Font,~O");
c$.getAscent = Clazz.defineMethod (c$, "getAscent", 
function (context) {
{
return Math.ceil(context._fontAscent);
}}, "~O");
c$.getDescent = Clazz.defineMethod (c$, "getDescent", 
function (context) {
{
return Math.ceil(context._fontDescent);
}}, "~O");
c$.stringWidth = Clazz.defineMethod (c$, "stringWidth", 
function (font, text) {
{
font.fontMetrics.font = font.font;
return Math.ceil(font.fontMetrics.measureText(text).width);
}}, "javajs.awt.Font,~S");