diff options
Diffstat (limited to 'gsk/gskrendernodeimpl.c')
| -rw-r--r-- | gsk/gskrendernodeimpl.c | 159 |
1 files changed, 139 insertions, 20 deletions
diff --git a/gsk/gskrendernodeimpl.c b/gsk/gskrendernodeimpl.c index 30ef0ff38b..8a4c003a5a 100644 --- a/gsk/gskrendernodeimpl.c +++ b/gsk/gskrendernodeimpl.c @@ -4336,7 +4336,10 @@ struct _GskTextNode GskRenderNode render_node; PangoFont *font; - gboolean has_color_glyphs; + guint has_color_glyphs : 1; + guint hint_metrics : 1; + guint antialias : 1; + guint hint_style : 3; GdkRGBA color; graphene_point_t offset; @@ -4363,6 +4366,7 @@ gsk_text_node_draw (GskRenderNode *node, { GskTextNode *self = (GskTextNode *) node; PangoGlyphString glyphs; + cairo_font_options_t *options; glyphs.num_glyphs = self->num_glyphs; glyphs.glyphs = self->glyphs; @@ -4370,6 +4374,13 @@ gsk_text_node_draw (GskRenderNode *node, cairo_save (cr); + options = cairo_font_options_create (); + cairo_font_options_set_hint_metrics (options, self->hint_metrics ? CAIRO_HINT_METRICS_ON : CAIRO_HINT_METRICS_OFF); + cairo_font_options_set_antialias (options, self->antialias ? CAIRO_ANTIALIAS_GRAY : CAIRO_ANTIALIAS_NONE); + cairo_font_options_set_hint_style (options, self->hint_style); + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + gdk_cairo_set_source_rgba (cr, &self->color); cairo_translate (cr, self->offset.x, self->offset.y); pango_cairo_show_glyph_string (cr, self->font, &glyphs); @@ -4424,25 +4435,12 @@ gsk_text_node_diff (GskRenderNode *node1, gsk_render_node_diff_impossible (node1, node2, region); } -/** - * gsk_text_node_new: - * @font: the `PangoFont` containing the glyphs - * @glyphs: the `PangoGlyphString` to render - * @color: the foreground color to render with - * @offset: offset of the baseline - * - * Creates a render node that renders the given glyphs. - * - * Note that @color may not be used if the font contains - * color glyphs. - * - * Returns: (nullable) (transfer full) (type GskTextNode): a new `GskRenderNode` - */ -GskRenderNode * -gsk_text_node_new (PangoFont *font, - PangoGlyphString *glyphs, - const GdkRGBA *color, - const graphene_point_t *offset) +static GskRenderNode * +gsk_text_node_new_internal (const cairo_font_options_t *options, + PangoFont *font, + PangoGlyphString *glyphs, + const GdkRGBA *color, + const graphene_point_t *offset) { GskTextNode *self; GskRenderNode *node; @@ -4464,6 +4462,16 @@ gsk_text_node_new (PangoFont *font, self->color = *color; self->offset = *offset; self->has_color_glyphs = FALSE; + self->antialias = TRUE; + self->hint_style = CAIRO_HINT_STYLE_NONE; + self->hint_metrics = FALSE; + + if (options) + { + self->antialias = cairo_font_options_get_antialias (options) != CAIRO_ANTIALIAS_NONE; + self->hint_metrics = cairo_font_options_get_hint_metrics (options) == CAIRO_HINT_METRICS_ON; + self->hint_style = cairo_font_options_get_hint_style (options); + } glyph_infos = g_malloc_n (glyphs->num_glyphs, sizeof (PangoGlyphInfo)); @@ -4495,6 +4503,117 @@ gsk_text_node_new (PangoFont *font, } /** + * gsk_text_node_new_with_font_options: + * @options: `cairo_font_options_t` to render with + * @font: the `PangoFont` containing the glyphs + * @glyphs: the `PangoGlyphString` to render + * @color: the foreground color to render with + * @offset: offset of the baseline + * + * Creates a render node that renders the given glyphs. + * + * Note that @color may not be used if the font contains + * color glyphs. + * + * Returns: (nullable) (transfer full) (type GskTextNode): a new `GskRenderNode` + * + * Since: 4.6 + */ +GskRenderNode * +gsk_text_node_new_with_font_options (const cairo_font_options_t *options, + PangoFont *font, + PangoGlyphString *glyphs, + const GdkRGBA *color, + const graphene_point_t *offset) +{ + return gsk_text_node_new_internal (options, font, glyphs, color, offset); +} + +/** + * gsk_text_node_new: + * @font: the `PangoFont` containing the glyphs + * @glyphs: the `PangoGlyphString` to render + * @color: the foreground color to render with + * @offset: offset of the baseline + * + * Creates a render node that renders the given glyphs. + * + * Note that @color may not be used if the font contains + * color glyphs. + * + * Returns: (nullable) (transfer full) (type GskTextNode): a new `GskRenderNode` + */ +GskRenderNode * +gsk_text_node_new (PangoFont *font, + PangoGlyphString *glyphs, + const GdkRGBA *color, + const graphene_point_t *offset) +{ + return gsk_text_node_new_internal (NULL, font, glyphs, color, offset); +} + +/** + * gsk_text_node_get_hint_metrics: + * @node: (type GskTextNode): a text `GskRenderNode` + * + * Retrieves whether metrics hinting is enabled for rendering. + * + * See the cairo [documentation](https://www.cairographics.org/manual/cairo-cairo-font-options-t.html#cairo-hint-metrics-t). + * + * Returns: whether metrics hinting is enabled + * + * Since: 4.6 + */ +gboolean +gsk_text_node_get_hint_metrics (const GskRenderNode *node) +{ + const GskTextNode *self = (const GskTextNode *) node; + + return self->hint_metrics; +} + +/** + * gsk_text_node_get_antialias: + * @node: (type GskTextNode): a text `GskRenderNode` + * + * Retrieves whether antialiasing is enabled for rendering. + * + * See the cairo [documentation](https://www.cairographics.org/manual/cairo-cairo-t.html#cairo-antialias-t). + * Note that GSK only supports grayscale antialiasing. + * + * Returns: whether antialiasing is enabled + * + * Since: 4.6 + */ +gboolean +gsk_text_node_get_antialias (const GskRenderNode *node) +{ + const GskTextNode *self = (const GskTextNode *) node; + + return self->antialias; +} + +/** + * gsk_text_node_get_hint_style: + * @node: (type GskTextNode): a text `GskRenderNode` + * + * Retrieves what style of font hinting is used for rendering. + * + * See the cairo [documentation](https://www.cairographics.org/manual/cairo-cairo-font-options-t.html#cairo-hint-style-t). + * + * Returns: what style of hinting is used + * + * Since: 4.6 + */ +cairo_hint_style_t +gsk_text_node_get_hint_style (const GskRenderNode *node) +{ + const GskTextNode *self = (const GskTextNode *) node; + + return self->hint_style; +} + +/** * gsk_text_node_get_color: * @node: (type GskTextNode): a text `GskRenderNode` * |