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authorMatthias Clasen <mclasen@redhat.com>2021-07-30 13:51:02 -0400
committerMatthias Clasen <mclasen@redhat.com>2021-07-30 19:46:07 -0400
commited41c4692609bb140cb4c1f4b458ef113fd23e7a (patch)
treec03f40b8abd8bccc944841798db90626fa0d4ac3
parenta460fb27345b38f875823913bd046868a6c8c5f9 (diff)
downloadgtk+-ed41c4692609bb140cb4c1f4b458ef113fd23e7a.tar.gz
ngl: Bypass pango for glyph cache rendering
We can just use cairo directly here, and cut out some layers of pango in the middle.
-rw-r--r--gsk/ngl/gsknglglyphlibrary.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/gsk/ngl/gsknglglyphlibrary.c b/gsk/ngl/gsknglglyphlibrary.c
index 627f35f59e..9f269d8643 100644
--- a/gsk/ngl/gsknglglyphlibrary.c
+++ b/gsk/ngl/gsknglglyphlibrary.c
@@ -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_string.num_glyphs = 1;
- glyph_string.glyphs = &glyph_info;
+ glyph.index = key->glyph;
+ glyph.x = 0.25 * key->xshift - value->ink_rect.x;
+ glyph.y = 0.25 * key->yshift - value->ink_rect.y;
- pango_cairo_show_glyph_string (cr, key->font, &glyph_string);
+ cairo_show_glyphs (cr, &glyph, 1);
cairo_destroy (cr);
cairo_surface_flush (surface);