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Merge branch 'serialize-hint-metrics' into 'main'

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gsk: Serialize hint metrics too

See merge request GNOME/gtk!7215
This commit is contained in:
Matthias Clasen 2024-05-01 18:40:13 +00:00
commit d6892c85dc
2 changed files with 32 additions and 1 deletions
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2
demos/node-editor/node-format.md
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@ -330,6 +330,7 @@ stroke bounds of the path.
| offset | `<point>` | 0 0 | non-default |
| hint-style | `<hint style>` | slight | non-default |
| antialias | `<antialias>` | gray | non-default |
| hint-metrics | `<hint metrics>` | off | non-default |
Creates a node like `gsk_text_node_new()` with the given properties.
@ -346,6 +347,7 @@ font, an error node will be returned.
Possible values for hint-style are none, slight or full.
Possible value for antialias are none or gray.
Possible value for hint-metrics are on or off.
### texture

31
gsk/gskrendernodeparser.c
View File

@ -2312,6 +2312,25 @@ parse_antialias (GtkCssParser *parser,
return TRUE;
}
static gboolean
parse_hint_metrics (GtkCssParser *parser,
Context *context,
gpointer out)
{
if (!parse_enum (parser, CAIRO_GOBJECT_TYPE_HINT_METRICS, out))
return FALSE;
if (*(cairo_hint_metrics_t *) out != CAIRO_HINT_METRICS_OFF &&
*(cairo_hint_metrics_t *) out != CAIRO_HINT_METRICS_ON)
{
gtk_css_parser_error_value (parser, "Unsupported value for enum \"%s\"",
g_type_name (CAIRO_GOBJECT_TYPE_HINT_METRICS));
return FALSE;
}
return TRUE;
}
static GskRenderNode *
parse_text_node (GtkCssParser *parser,
Context *context)
@ -2322,6 +2341,7 @@ parse_text_node (GtkCssParser *parser,
PangoGlyphString *glyphs = NULL;
cairo_hint_style_t hint_style = CAIRO_HINT_STYLE_SLIGHT;
cairo_antialias_t antialias = CAIRO_ANTIALIAS_GRAY;
cairo_hint_metrics_t hint_metrics = CAIRO_HINT_METRICS_OFF;
PangoFont *hinted;
const Declaration declarations[] = {
{ "font", parse_font, clear_font, &font },
@ -2330,6 +2350,7 @@ parse_text_node (GtkCssParser *parser,
{ "glyphs", parse_glyphs, clear_glyphs, &glyphs },
{ "hint-style", parse_hint_style, NULL, &hint_style },
{ "antialias", parse_antialias, NULL, &antialias },
{ "hint-metrics", parse_hint_metrics, NULL, &hint_metrics },
};
GskRenderNode *result;
@ -2341,7 +2362,7 @@ parse_text_node (GtkCssParser *parser,
g_assert (font);
}
hinted = gsk_reload_font (font, 1.0, CAIRO_HINT_METRICS_OFF, hint_style, antialias);
hinted = gsk_reload_font (font, 1.0, hint_metrics, hint_style, antialias);
g_object_unref (font);
font = hinted;
@ -3623,11 +3644,13 @@ gsk_text_node_serialize_font_options (GskRenderNode *node,
cairo_font_options_t *options;
cairo_hint_style_t hint_style;
cairo_antialias_t antialias;
cairo_hint_metrics_t hint_metrics;
options = cairo_font_options_create ();
cairo_scaled_font_get_font_options (sf, options);
hint_style = cairo_font_options_get_hint_style (options);
antialias = cairo_font_options_get_antialias (options);
hint_metrics = cairo_font_options_get_hint_metrics (options);
cairo_font_options_destroy (options);
/* medium and full are identical in the absence of subpixel modes */
@ -3643,6 +3666,12 @@ gsk_text_node_serialize_font_options (GskRenderNode *node,
*/
if (antialias == CAIRO_ANTIALIAS_NONE)
append_enum_param (p, "antialias", CAIRO_GOBJECT_TYPE_ANTIALIAS, antialias);
/* CAIRO_HINT_METRICS_ON is the only value we ever emit here, since off is the default,
* and we don't accept any other values.
*/
if (hint_metrics == CAIRO_HINT_METRICS_ON)
append_enum_param (p, "hint-metrics", CAIRO_GOBJECT_TYPE_HINT_METRICS, CAIRO_HINT_METRICS_ON);
}
void