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ngl: Bypass pango for glyph cache rendering

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We can just use cairo directly here,
and cut out some layers of pango in the middle.
This commit is contained in:
Matthias Clasen
2021-07-30 13:51:02 -04:00
parent a460fb2734
commit ed41c46926
1 changed files with 5 additions and 13 deletions
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18
gsk/ngl/gsknglglyphlibrary.c
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@@ -165,8 +165,7 @@ render_glyph (cairo_surface_t *surface,
const GskNglGlyphValue *value)
{
cairo_t *cr;
PangoGlyphString glyph_string;
PangoGlyphInfo glyph_info;
cairo_glyph_t glyph;
g_assert (surface != NULL);
g_assert (scaled_font != NULL);
@@ -175,18 +174,11 @@ render_glyph (cairo_surface_t *surface,
cairo_set_scaled_font (cr, scaled_font);
cairo_set_source_rgba (cr, 1, 1, 1, 1);
glyph_info.glyph = key->glyph;
glyph_info.geometry.width = value->ink_rect.width * 1024;
if (glyph_info.glyph & PANGO_GLYPH_UNKNOWN_FLAG)
glyph_info.geometry.x_offset = 256 * key->xshift;
else
glyph_info.geometry.x_offset = 256 * key->xshift - value->ink_rect.x * 1024;
glyph_info.geometry.y_offset = 256 * key->yshift - value->ink_rect.y * 1024;
glyph.index = key->glyph;
glyph.x = 0.25 * key->xshift - value->ink_rect.x;
glyph.y = 0.25 * key->yshift - value->ink_rect.y;
glyph_string.num_glyphs = 1;
glyph_string.glyphs = &glyph_info;
pango_cairo_show_glyph_string (cr, key->font, &glyph_string);
cairo_show_glyphs (cr, &glyph, 1);
cairo_destroy (cr);
cairo_surface_flush (surface);