vtgl

Commit: 1380c3667211e7147d30210f418a18c8f237a630
Parent: 9259573432ade2a81bafc3a538ca1e0989576866
Author: Randy Palamar
Date:   Mon,  2 Sep 2024 15:42:33 -0600

font.c: fixing FontAtlas glyph size rounding

The scale value is fractional so these need to be properly rounded
otherwise some glyphs will overflow their cells ('g', ',' for
vertical overflow; 'W' for horizontal overflow).

Diffstat:
M
font.c
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/font.c b/font.c
@@ -187,10 +187,10 @@ update_font_metrics(FontAtlas *fa)
 {
 	i32 x0, x1, y0, y1;
 	stbtt_GetFontBoundingBox(&fa->fonts[0][FS_NORMAL].font_info, &x0, &y0, &x1, &y1);
-	f32 scale  = fa->fonts[0][FS_NORMAL].stbtt_scale;
-	fa->size.h = scale * (y1 - y0);
-	fa->size.w = scale * (x1 - x0);
-	fa->deltay = -scale * y0;
+	f32 scale  =  fa->fonts[0][FS_NORMAL].stbtt_scale;
+	fa->size.h =  scale * (y1 - y0) + 0.5;
+	fa->size.w =  scale * (x1 - x0) + 0.5;
+	fa->deltay = -scale * y0 + 0.5;
 }
 
 static void