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Merge branch 'more-glyph-drawing-fixes' into 'master'

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ngl: Use exact device scales for glyphs

See merge request GNOME/gtk!3971
This commit is contained in:
Matthias Clasen 2021-09-18 00:26:14 +00:00
commit ece5fd7db5
2 changed files with 16 additions and 19 deletions
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8
gsk/gskrendernodeimpl.c
View File

@ -4477,10 +4477,10 @@ gsk_text_node_new (PangoFont *font,
self->num_glyphs = n;
graphene_rect_init (&node->bounds,
offset->x + ink_rect.x,
offset->y + ink_rect.y,
ink_rect.width,
ink_rect.height);
offset->x + ink_rect.x - 1,
offset->y + ink_rect.y - 1,
ink_rect.width + 2,
ink_rect.height + 2);
return node;
}

27
gsk/ngl/gsknglglyphlibrary.c
View File

@ -132,7 +132,8 @@ gsk_ngl_glyph_library_create_surface (GskNglGlyphLibrary *self,
int stride,
int width,
int height,
double device_scale)
int uwidth,
int uheight)
{
cairo_surface_t *surface;
gsize n_bytes;
@ -153,7 +154,7 @@ gsk_ngl_glyph_library_create_surface (GskNglGlyphLibrary *self,
surface = cairo_image_surface_create_for_data (self->surface_data,
CAIRO_FORMAT_ARGB32,
width, height, stride);
cairo_surface_set_device_scale (surface, device_scale, device_scale);
cairo_surface_set_device_scale (surface, width / (double)uwidth, height / (double)uheight);
return surface;
}
@ -192,7 +193,8 @@ gsk_ngl_glyph_library_upload_glyph (GskNglGlyphLibrary *self,
int y,
int width,
int height,
double device_scale)
int uwidth,
int uheight)
{
GskNglTextureLibrary *tl = (GskNglTextureLibrary *)self;
G_GNUC_UNUSED gint64 start_time = GDK_PROFILER_CURRENT_TIME;
@ -220,7 +222,7 @@ gsk_ngl_glyph_library_upload_glyph (GskNglGlyphLibrary *self,
"Uploading glyph %d",
key->glyph);
surface = gsk_ngl_glyph_library_create_surface (self, stride, width, height, device_scale);
surface = gsk_ngl_glyph_library_create_surface (self, stride, width, height, uwidth, uheight);
render_glyph (surface, scaled_font, key, value);
texture_id = GSK_NGL_TEXTURE_ATLAS_ENTRY_TEXTURE (value);
@ -289,16 +291,10 @@ gsk_ngl_glyph_library_add (GskNglGlyphLibrary *self,
pango_font_get_glyph_extents (key->font, key->glyph, &ink_rect, NULL);
pango_extents_to_pixels (&ink_rect, NULL);
if (key->xshift != 0)
{
ink_rect.x -= 1;
ink_rect.width += 2;
}
if (key->yshift != 0)
{
ink_rect.y -= 1;
ink_rect.height += 2;
}
ink_rect.x -= 1;
ink_rect.width += 2;
ink_rect.y -= 1;
ink_rect.height += 2;
width = (int) ceil (ink_rect.width * key->scale / 1024.0);
height = (int) ceil (ink_rect.height * key->scale / 1024.0);
@ -321,7 +317,8 @@ gsk_ngl_glyph_library_add (GskNglGlyphLibrary *self,
packed_y + 1,
width,
height,
key->scale / 1024.0);
ink_rect.width,
ink_rect.height);
*out_value = value;