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comparison mupdf-source/thirdparty/harfbuzz/src/OT/glyf/GlyphHeader.hh @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #ifndef OT_GLYF_GLYPHHEADER_HH
2 #define OT_GLYF_GLYPHHEADER_HH
3
4
5 #include "../../hb-open-type.hh"
6
7
8 namespace OT {
9 namespace glyf_impl {
10
11
12 struct GlyphHeader
13 {
14 bool has_data () const { return numberOfContours; }
15
16 template <typename accelerator_t>
17 bool get_extents_without_var_scaled (hb_font_t *font, const accelerator_t &glyf_accelerator,
18 hb_codepoint_t gid, hb_glyph_extents_t *extents) const
19 {
20 /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */
21 /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */
22 int lsb = hb_min (xMin, xMax);
23 (void) glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb);
24 extents->x_bearing = font->em_scale_x (lsb);
25 extents->y_bearing = font->em_scale_y (hb_max (yMin, yMax));
26 extents->width = font->em_scale_x (hb_max (xMin, xMax) - hb_min (xMin, xMax));
27 extents->height = font->em_scale_y (hb_min (yMin, yMax) - hb_max (yMin, yMax));
28
29 return true;
30 }
31
32 HBINT16 numberOfContours;
33 /* If the number of contours is
34 * greater than or equal to zero,
35 * this is a simple glyph; if negative,
36 * this is a composite glyph. */
37 FWORD xMin; /* Minimum x for coordinate data. */
38 FWORD yMin; /* Minimum y for coordinate data. */
39 FWORD xMax; /* Maximum x for coordinate data. */
40 FWORD yMax; /* Maximum y for coordinate data. */
41 public:
42 DEFINE_SIZE_STATIC (10);
43 };
44
45
46 } /* namespace glyf_impl */
47 } /* namespace OT */
48
49
50 #endif /* OT_GLYF_GLYPHHEADER_HH */