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taken from upstream
http://savannah.nongnu.org/bugs/?func=detailitem&item_id=46118
From 30fe5e762e062612fdf4b56b50d813525a5aa311 Mon Sep 17 00:00:00 2001
From: Werner Lemberg <wl@gnu.org>
Date: Sun, 4 Oct 2015 13:08:08 +0200
Subject: [PATCH] [base] Replace left shifts with multiplication (#46118).
* src/base/ftglyph.c (ft_bitmap_glyph_bbox, FT_Get_Glyph): Do it.
---
ChangeLog | 6 ++++++
src/base/ftglyph.c | 14 +++++++-------
2 files changed, 13 insertions(+), 7 deletions(-)
diff --git a/src/base/ftglyph.c b/src/base/ftglyph.c
index cb7fc37..2778743 100644
--- a/src/base/ftglyph.c
+++ b/src/base/ftglyph.c
@@ -125,10 +125,10 @@
FT_BitmapGlyph glyph = (FT_BitmapGlyph)bitmap_glyph;
- cbox->xMin = glyph->left << 6;
- cbox->xMax = cbox->xMin + (FT_Pos)( glyph->bitmap.width << 6 );
- cbox->yMax = glyph->top << 6;
- cbox->yMin = cbox->yMax - (FT_Pos)( glyph->bitmap.rows << 6 );
+ cbox->xMin = glyph->left * 64;
+ cbox->xMax = cbox->xMin + (FT_Pos)( glyph->bitmap.width * 64 );
+ cbox->yMax = glyph->top * 64;
+ cbox->yMin = cbox->yMax - (FT_Pos)( glyph->bitmap.rows * 64 );
}
@@ -403,9 +403,9 @@
if ( error )
goto Exit;
- /* copy advance while converting it to 16.16 format */
- glyph->advance.x = slot->advance.x << 10;
- glyph->advance.y = slot->advance.y << 10;
+ /* copy advance while converting 26.6 to 16.16 format */
+ glyph->advance.x = slot->advance.x * 1024;
+ glyph->advance.y = slot->advance.y * 1024;
/* now import the image from the glyph slot */
error = clazz->glyph_init( glyph, slot );
--
2.5.2
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