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minor fixes

This commit is contained in:
Matthias Clasen 2022-12-15 23:16:54 -05:00 committed by Behdad Esfahbod
parent 794fa4c3c1
commit 55ca6ed230
2 changed files with 80 additions and 2 deletions
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73
src/hb-ot-color-colr-table.cc Normal file
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@ -0,0 +1,73 @@
#include "hb-ot-color-colr-table.hh"
namespace OT {
void PaintColrLayers::paint_glyph (hb_paint_context_t *c) const
{
const LayerList &paint_offset_lists = c->get_colr_table ()->get_layerList ();
for (unsigned i = firstLayerIndex; i < firstLayerIndex + numLayers; i++)
{
const Paint &paint = std::addressof (paint_offset_lists) + paint_offset_lists[i];
c->funcs->push_group (c->data);
paint_glyph_dispatch (&paint, c);
c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER);
}
}
void PaintColrGlyph::paint_glyph (hb_paint_context_t *c) const
{
const COLR *colr_table = c->get_colr_table ();
const Paint *paint = colr_table->get_base_glyph_paint (gid);
if (paint)
paint_glyph_dispatch (paint, c);
}
}
unsigned int
hb_color_line_get_color_stops (hb_color_line_t *cl,
unsigned int start,
unsigned int *count,
hb_color_stop_t *color_stops)
{
switch (cl->format)
{
case 4:
return reinterpret_cast<const OT::PaintLinearGradient<OT::NoVariable> *>(cl->base)->get_color_stops (start, count, color_stops);
case 5:
return reinterpret_cast<const OT::PaintLinearGradient<OT::Variable> *>(cl->base)->get_color_stops (start, count, color_stops);
case 6:
return reinterpret_cast<const OT::PaintRadialGradient<OT::NoVariable> *>(cl->base)->get_color_stops (start, count, color_stops);
case 7:
return reinterpret_cast<const OT::PaintRadialGradient<OT::Variable> *>(cl->base)->get_color_stops (start, count, color_stops);
case 8:
return reinterpret_cast<const OT::PaintSweepGradient<OT::NoVariable> *>(cl->base)->get_color_stops (start, count, color_stops);
case 9:
return reinterpret_cast<const OT::PaintSweepGradient<OT::Variable> *>(cl->base)->get_color_stops (start, count, color_stops);
default: assert (0);
}
return 0;
}
hb_paint_extend_t
hb_color_line_get_extend (hb_color_line_t *cl)
{
switch (cl->format)
{
case 4:
return reinterpret_cast<const OT::PaintLinearGradient<OT::NoVariable> *>(cl->base)->get_extend ();
case 5:
return reinterpret_cast<const OT::PaintLinearGradient<OT::Variable> *>(cl->base)->get_extend ();
case 6:
return reinterpret_cast<const OT::PaintRadialGradient<OT::NoVariable> *>(cl->base)->get_extend ();
case 7:
return reinterpret_cast<const OT::PaintRadialGradient<OT::Variable> *>(cl->base)->get_extend ();
case 8:
return reinterpret_cast<const OT::PaintSweepGradient<OT::NoVariable> *>(cl->base)->get_extend ();
case 9:
return reinterpret_cast<const OT::PaintSweepGradient<OT::Variable> *>(cl->base)->get_extend ();
default: assert (0);
}
return HB_PAINT_EXTEND_PAD;
}

5
src/hb-ot-color-colr-table.hh
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@ -1916,9 +1916,14 @@ struct COLR
{
const BaseGlyphList &baseglyph_paintrecords = this+baseGlyphList;
const BaseGlyphPaintRecord* record = get_base_glyph_paintrecord (glyph);
if (record)
{
const Paint &paint = &baseglyph_paintrecords+record->paint;
return &paint;
}
else
return nullptr;
}
bool
get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const