summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh')
-rw-r--r--src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh
new file mode 100644
index 0000000000..70b4d19f53
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh
@@ -0,0 +1,58 @@
+#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT2_HH
+#define OT_LAYOUT_GPOS_ANCHORFORMAT2_HH
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct AnchorFormat2
+{
+
+ protected:
+ HBUINT16 format; /* Format identifier--format = 2 */
+ FWORD xCoordinate; /* Horizontal value--in design units */
+ FWORD yCoordinate; /* Vertical value--in design units */
+ HBUINT16 anchorPoint; /* Index to glyph contour point */
+ public:
+ DEFINE_SIZE_STATIC (8);
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id,
+ float *x, float *y) const
+ {
+ hb_font_t *font = c->font;
+
+#ifdef HB_NO_HINTING
+ *x = font->em_fscale_x (xCoordinate);
+ *y = font->em_fscale_y (yCoordinate);
+ return;
+#endif
+
+ unsigned int x_ppem = font->x_ppem;
+ unsigned int y_ppem = font->y_ppem;
+ hb_position_t cx = 0, cy = 0;
+ bool ret;
+
+ ret = (x_ppem || y_ppem) &&
+ font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy);
+ *x = ret && x_ppem ? cx : font->em_fscale_x (xCoordinate);
+ *y = ret && y_ppem ? cy : font->em_fscale_y (yCoordinate);
+ }
+
+ AnchorFormat2* copy (hb_serialize_context_t *c) const
+ {
+ TRACE_SERIALIZE (this);
+ return_trace (c->embed<AnchorFormat2> (this));
+ }
+};
+
+}
+}
+}
+
+#endif // OT_LAYOUT_GPOS_ANCHORFORMAT2_HH