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cds: enable outset shadows
Adds conditional code paths to GdkCssShadowValue for painting outset shadows, and allows shadows to be applied in two passes (first outset then inset). This can be used to draw csd shadows in outer window borders. https://bugzilla.gnome.org/show_bug.cgi?id=695998 Signed-off-by: Rob Bradford <rob@linux.intel.com>
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@ -287,7 +287,8 @@ _gtk_css_shadows_value_paint_spinner (const GtkCssValue *shadows,
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void
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_gtk_css_shadows_value_paint_box (const GtkCssValue *shadows,
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cairo_t *cr,
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const GtkRoundedBox *padding_box)
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const GtkRoundedBox *padding_box,
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gboolean inset)
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{
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guint i;
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@ -295,6 +296,7 @@ _gtk_css_shadows_value_paint_box (const GtkCssValue *shadows,
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for (i = 0; i < shadows->len; i++)
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{
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_gtk_css_shadow_value_paint_box (shadows->values[i], cr, padding_box);
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if (inset == _gtk_css_shadow_value_get_inset (shadows->values[i]))
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_gtk_css_shadow_value_paint_box (shadows->values[i], cr, padding_box);
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}
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}
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@ -46,7 +46,8 @@ void _gtk_css_shadows_value_paint_spinner (const GtkCssValue
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gdouble progress);
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void _gtk_css_shadows_value_paint_box (const GtkCssValue *shadows,
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cairo_t *cr,
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const GtkRoundedBox *padding_box);
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const GtkRoundedBox *padding_box,
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gboolean inset);
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G_END_DECLS
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@ -445,6 +445,14 @@ _gtk_css_shadow_value_paint_spinner (const GtkCssValue *shadow,
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cairo_restore (cr);
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}
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gboolean
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_gtk_css_shadow_value_get_inset (const GtkCssValue *shadow)
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{
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g_return_val_if_fail (shadow->class == >K_CSS_VALUE_SHADOW, FALSE);
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return shadow->inset;
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}
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void
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_gtk_css_shadow_value_paint_box (const GtkCssValue *shadow,
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cairo_t *cr,
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@ -457,15 +465,21 @@ _gtk_css_shadow_value_paint_box (const GtkCssValue *shadow,
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cairo_save (cr);
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_gtk_rounded_box_path (padding_box, cr);
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cairo_clip (cr);
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if (shadow->inset)
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{
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_gtk_rounded_box_path (padding_box, cr);
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cairo_clip (cr);
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}
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box = *padding_box;
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_gtk_rounded_box_move (&box,
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_gtk_css_number_value_get (shadow->hoffset, 0),
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_gtk_css_number_value_get (shadow->voffset, 0));
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spread = _gtk_css_number_value_get (shadow->spread, 0);
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_gtk_rounded_box_shrink (&box, spread, spread, spread, spread);
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if (shadow->inset)
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_gtk_rounded_box_shrink (&box, spread, spread, spread, spread);
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else /* Outset */
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_gtk_rounded_box_grow (&box, spread, spread, spread, spread);
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clip_box = *padding_box;
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radius = _gtk_css_number_value_get (shadow->radius, 0);
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@ -475,7 +489,8 @@ _gtk_css_shadow_value_paint_box (const GtkCssValue *shadow,
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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_gtk_rounded_box_path (&box, cr);
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_gtk_rounded_box_clip_path (&clip_box, cr);
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if (shadow->inset)
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_gtk_rounded_box_clip_path (&clip_box, cr);
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gdk_cairo_set_source_rgba (cr, _gtk_css_rgba_value_get_rgba (shadow->color));
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cairo_fill (cr);
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@ -34,6 +34,8 @@ GtkCssValue * _gtk_css_shadow_value_new_for_transition (GtkCssValue
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GtkCssValue * _gtk_css_shadow_value_parse (GtkCssParser *parser);
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gboolean _gtk_css_shadow_value_get_inset (const GtkCssValue *shadow);
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void _gtk_css_shadow_value_paint_layout (const GtkCssValue *shadow,
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cairo_t *cr,
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PangoLayout *layout);
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@ -265,11 +265,13 @@ _gtk_theming_background_paint_layer (GtkThemingBackground *bg,
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static void
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_gtk_theming_background_apply_shadow (GtkThemingBackground *bg,
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cairo_t *cr)
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cairo_t *cr,
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gboolean inset)
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{
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_gtk_css_shadows_value_paint_box (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BOX_SHADOW),
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cr,
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&bg->padding_box);
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&bg->padding_box,
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inset);
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}
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static void
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@ -358,6 +360,8 @@ _gtk_theming_background_render (GtkThemingBackground *bg,
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cairo_save (cr);
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cairo_translate (cr, bg->paint_area.x, bg->paint_area.y);
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_gtk_theming_background_apply_shadow (bg, cr, FALSE); /* Outset shadow */
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_gtk_theming_background_paint_color (bg, cr, background_image);
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for (idx = _gtk_css_array_value_get_n_values (background_image) - 1; idx >= 0; idx--)
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@ -365,7 +369,7 @@ _gtk_theming_background_render (GtkThemingBackground *bg,
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_gtk_theming_background_paint_layer (bg, idx, cr);
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}
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_gtk_theming_background_apply_shadow (bg, cr);
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_gtk_theming_background_apply_shadow (bg, cr, TRUE); /* Inset shadow */
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cairo_restore (cr);
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}
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