Commit e0469372be3870a5ad60b2c4586e9c281357bd28
2013-01-22T11:07:07
[truetype] Fix font height. * src/truetype/ttobjs.c (tt_size_reset): The Windows rendering engine uses rounded values of the ascender and descender to compute the TrueType font height.
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diff --git a/ChangeLog b/ChangeLog
index 3b5fd9f..114ddfb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2013-01-22 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix font height.
+
+ * src/truetype/ttobjs.c (tt_size_reset): The Windows rendering
+ engine uses rounded values of the ascender and descender to compute
+ the TrueType font height.
+
2013-01-16 Behdad Esfahbod <behdad@behdad.org>
[sfnt] Fix optimized sbit loader.
diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c
index c61b218..590b66c 100644
--- a/src/truetype/ttobjs.c
+++ b/src/truetype/ttobjs.c
@@ -4,7 +4,7 @@
/* */
/* Objects manager (body). */
/* */
-/* Copyright 1996-2012 */
+/* Copyright 1996-2013 */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -1177,11 +1177,12 @@
FT_PIX_ROUND( FT_MulFix( face->root.ascender, metrics->y_scale ) );
metrics->descender =
FT_PIX_ROUND( FT_MulFix( face->root.descender, metrics->y_scale ) );
- metrics->height =
- FT_PIX_ROUND( FT_MulFix( face->root.height, metrics->y_scale ) );
metrics->max_advance =
FT_PIX_ROUND( FT_MulFix( face->root.max_advance_width,
metrics->x_scale ) );
+
+ /* the height is derived from rounded values */
+ metrics->height = metrics->ascender - metrics->descender;
}
/* compute new transformation */