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@@ -138,20 +138,19 @@ class FontBuilder {
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var ctx = bmp.getContext2d();
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ctx.font = '${this.font.size}px ${this.font.name}';
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ctx.textAlign = 'left';
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- ctx.textBaseline = 'top'; // important!
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+ // bottom textBaseline is the baseline with least difference between browsers
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+ ctx.textBaseline = 'bottom'; // important!
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font.lineHeight = 0;
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var surf = 0;
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var sizes = [];
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// get approx height of font including descent
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var h = getFontHeight(this.font, 'MgO0pj');
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- // arbritrary safety margin used to ensure that char doesn't get scrambled, probably due to messed up text metrics
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- var xMarg = 10;
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for( i in 0...options.chars.length ) {
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var textChar = options.chars.charAt(i);
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var w = Math.ceil(ctx.measureText(textChar).width) + 1;
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if( w == 1 ) continue;
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- surf += (w + (1 + xMarg)) * (h + 1);
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+ surf += (w + 1) * (h + 1);
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if( h > font.lineHeight )
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font.lineHeight = h;
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sizes[i] = { w:w, h:h };
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@@ -177,7 +176,7 @@ class FontBuilder {
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bmp.height = height;
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ctx.font = '${this.font.size}px ${this.font.name}';
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ctx.textAlign = 'left';
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- ctx.textBaseline = 'top'; // important!
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+ ctx.textBaseline = 'bottom'; // important!
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ctx.fillStyle = 'red';
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font.glyphs = new Map();
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all = [];
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@@ -185,9 +184,11 @@ class FontBuilder {
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for( i in 0...options.chars.length ) {
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var size = sizes[i];
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if( size == null ) continue;
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- var w = size.w + xMarg;
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+ var w = size.w;
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var h = size.h;
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- if( x + w > width ) {
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+ if( h > lineH ) lineH = h;
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+ // Whatever the first character is it will always have x and y value 0
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+ if( x + w > width || i == 0) {
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x = 0;
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y += lineH + 1;
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}
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@@ -203,11 +204,11 @@ class FontBuilder {
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ctx.globalAlpha = 1.0;
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ctx.fillStyle = 'white';
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ctx.fillText(options.chars.charAt(i), x, y);
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- var t = new h2d.Tile(innerTex, x, y, w - 1, h - 1);
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+ // Since we're using bottom textBaseline we need to subtract the height from the y position
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+ var t = new h2d.Tile(innerTex, x, y-h, w - 1, h - 1);
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all.push(t);
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- font.glyphs.set(options.chars.charCodeAt(i), new h2d.Font.FontChar(t,w - (1 + xMarg)));
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+ font.glyphs.set(options.chars.charCodeAt(i), new h2d.Font.FontChar(t,w - 1));
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// next element
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- if( h > lineH ) lineH = h;
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x += w + 1;
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}
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} while ( !done );
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Sechgulo