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-rw-r--r--ChangeLog6
-rw-r--r--src/cff/cffgload.c16
2 files changed, 14 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog
index 8662cf929..9d8f30303 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-07-20 Werner Lemberg <wl@gnu.org>
+
+ [cff] Avoid left-shift of negative numbers (#54322).
+
+ * src/cff/cffgload.c (cff_slot_load): Use multiplication.
+
2018-07-17 Werner Lemberg <wl@gnu.org>
Allow FT_ENCODING_NONE for `FT_Select_Charmap'.
diff --git a/src/cff/cffgload.c b/src/cff/cffgload.c
index 852515de6..88f56890c 100644
--- a/src/cff/cffgload.c
+++ b/src/cff/cffgload.c
@@ -280,16 +280,16 @@
glyph->root.outline.n_points = 0;
glyph->root.outline.n_contours = 0;
- glyph->root.metrics.width = (FT_Pos)metrics.width << 6;
- glyph->root.metrics.height = (FT_Pos)metrics.height << 6;
+ glyph->root.metrics.width = (FT_Pos)metrics.width * 64;
+ glyph->root.metrics.height = (FT_Pos)metrics.height * 64;
- glyph->root.metrics.horiBearingX = (FT_Pos)metrics.horiBearingX << 6;
- glyph->root.metrics.horiBearingY = (FT_Pos)metrics.horiBearingY << 6;
- glyph->root.metrics.horiAdvance = (FT_Pos)metrics.horiAdvance << 6;
+ glyph->root.metrics.horiBearingX = (FT_Pos)metrics.horiBearingX * 64;
+ glyph->root.metrics.horiBearingY = (FT_Pos)metrics.horiBearingY * 64;
+ glyph->root.metrics.horiAdvance = (FT_Pos)metrics.horiAdvance * 64;
- glyph->root.metrics.vertBearingX = (FT_Pos)metrics.vertBearingX << 6;
- glyph->root.metrics.vertBearingY = (FT_Pos)metrics.vertBearingY << 6;
- glyph->root.metrics.vertAdvance = (FT_Pos)metrics.vertAdvance << 6;
+ glyph->root.metrics.vertBearingX = (FT_Pos)metrics.vertBearingX * 64;
+ glyph->root.metrics.vertBearingY = (FT_Pos)metrics.vertBearingY * 64;
+ glyph->root.metrics.vertAdvance = (FT_Pos)metrics.vertAdvance * 64;
glyph->root.format = FT_GLYPH_FORMAT_BITMAP;