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annotate mupdf-source/thirdparty/harfbuzz/src/OT/glyf/GlyphHeader.hh @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 #ifndef OT_GLYF_GLYPHHEADER_HH
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2 #define OT_GLYF_GLYPHHEADER_HH
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5 #include "../../hb-open-type.hh"
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8 namespace OT {
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9 namespace glyf_impl {
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12 struct GlyphHeader
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13 {
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14 bool has_data () const { return numberOfContours; }
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16 template <typename accelerator_t>
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17 bool get_extents_without_var_scaled (hb_font_t *font, const accelerator_t &glyf_accelerator,
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18 hb_codepoint_t gid, hb_glyph_extents_t *extents) const
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19 {
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20 /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */
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21 /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */
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22 int lsb = hb_min (xMin, xMax);
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23 (void) glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb);
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24 extents->x_bearing = font->em_scale_x (lsb);
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25 extents->y_bearing = font->em_scale_y (hb_max (yMin, yMax));
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26 extents->width = font->em_scale_x (hb_max (xMin, xMax) - hb_min (xMin, xMax));
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27 extents->height = font->em_scale_y (hb_min (yMin, yMax) - hb_max (yMin, yMax));
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29 return true;
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30 }
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32 HBINT16 numberOfContours;
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33 /* If the number of contours is
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34 * greater than or equal to zero,
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35 * this is a simple glyph; if negative,
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36 * this is a composite glyph. */
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37 FWORD xMin; /* Minimum x for coordinate data. */
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38 FWORD yMin; /* Minimum y for coordinate data. */
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39 FWORD xMax; /* Maximum x for coordinate data. */
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40 FWORD yMax; /* Maximum y for coordinate data. */
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41 public:
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42 DEFINE_SIZE_STATIC (10);
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43 };
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46 } /* namespace glyf_impl */
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47 } /* namespace OT */
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50 #endif /* OT_GLYF_GLYPHHEADER_HH */