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css: Make shadow values resolve used values

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Separate out computed and used values for this type.
This commit is contained in:
Matthias Clasen
2024-05-19 18:40:21 -04:00
parent cc463d52f6
commit 5de0ebab26
2 changed files with 51 additions and 39 deletions
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86
gtk/gtkcssshadowvalue.c
View File

@@ -26,6 +26,7 @@
#include "gtkcsscolorvalueprivate.h"
#include "gtksnapshotprivate.h"
#include "gtkpangoprivate.h"
#include "gtkcssnodeprivate.h"
#include "gsk/gskcairoblurprivate.h"
#include "gsk/gskroundedrectprivate.h"
@@ -315,15 +316,18 @@ gtk_css_shadow_value_new (ShadowValue *shadows,
{
const ShadowValue *shadow = &retval->shadows[i];
if (!gtk_css_value_is_computed (shadow->hoffset) ||
!gtk_css_value_is_computed (shadow->voffset) ||
!gtk_css_value_is_computed (shadow->spread) ||
!gtk_css_value_is_computed (shadow->radius) ||
!gtk_css_value_is_computed (shadow->color))
if (retval->is_computed &&
(!gtk_css_value_is_computed (shadow->hoffset) ||
!gtk_css_value_is_computed (shadow->voffset) ||
!gtk_css_value_is_computed (shadow->spread) ||
!gtk_css_value_is_computed (shadow->radius) ||
!gtk_css_value_is_computed (shadow->color)))
{
retval->is_computed = FALSE;
break;
}
if (gtk_css_value_contains_current_color (shadow->color))
retval->contains_current_color = TRUE;
}
return retval;
@@ -711,60 +715,64 @@ gboolean
gtk_css_shadow_value_push_snapshot (const GtkCssValue *value,
GtkSnapshot *snapshot)
{
gboolean need_shadow = FALSE;
GskShadow *shadows;
guint i;
if (gtk_css_shadow_value_is_clear (value))
return FALSE;
shadows = g_newa (GskShadow, value->n_shadows);
for (i = 0; i < value->n_shadows; i++)
{
const ShadowValue *shadow = &value->shadows[i];
if (!gdk_rgba_is_clear (gtk_css_color_value_get_rgba (shadow->color)))
{
need_shadow = TRUE;
break;
}
shadows[i].color = *gtk_css_color_value_get_rgba (shadow->color);
shadows[i].dx = gtk_css_number_value_get (shadow->hoffset, 0);
shadows[i].dy = gtk_css_number_value_get (shadow->voffset, 0);
shadows[i].radius = gtk_css_number_value_get (shadow->radius, 0);
if (value->is_filter)
shadows[i].radius *= 2;
}
if (need_shadow)
{
GskShadow *shadows = g_newa (GskShadow, value->n_shadows);
gtk_snapshot_push_shadow (snapshot, shadows, value->n_shadows);
for (i = 0; i < value->n_shadows; i++)
{
const ShadowValue *shadow = &value->shadows[i];
shadows[i].dx = gtk_css_number_value_get (shadow->hoffset, 0);
shadows[i].dy = gtk_css_number_value_get (shadow->voffset, 0);
shadows[i].color = *gtk_css_color_value_get_rgba (shadow->color);
shadows[i].radius = gtk_css_number_value_get (shadow->radius, 0);
if (value->is_filter)
shadows[i].radius *= 2;
}
gtk_snapshot_push_shadow (snapshot, shadows, value->n_shadows);
}
return need_shadow;
return TRUE;
}
void
gtk_css_shadow_value_pop_snapshot (const GtkCssValue *value,
GtkSnapshot *snapshot)
{
gboolean need_shadow = FALSE;
if (!gtk_css_shadow_value_is_clear (value))
gtk_snapshot_pop (snapshot);
}
GtkCssValue *
gtk_css_shadow_value_resolve (GtkCssValue *value,
GtkCssComputeContext *context,
GtkCssValue *current_color)
{
guint i;
ShadowValue *shadows;
if (!gtk_css_value_contains_current_color (value))
return gtk_css_value_ref (value);
shadows = g_alloca (sizeof (ShadowValue) * value->n_shadows);
for (i = 0; i < value->n_shadows; i++)
{
const ShadowValue *shadow = &value->shadows[i];
if (!gdk_rgba_is_clear (gtk_css_color_value_get_rgba (shadow->color)))
{
need_shadow = TRUE;
break;
}
shadows[i].hoffset = gtk_css_value_ref (shadow->hoffset);
shadows[i].voffset = gtk_css_value_ref (shadow->voffset);
shadows[i].radius = gtk_css_value_ref (shadow->radius);
shadows[i].spread = gtk_css_value_ref (shadow->spread);
shadows[i].color = gtk_css_color_value_resolve (shadow->color, context, current_color);
shadows[i].inset = shadow->inset;
}
if (need_shadow)
gtk_snapshot_pop (snapshot);
return gtk_css_shadow_value_new (shadows, value->n_shadows, value->is_filter);
}

4
gtk/gtkcssshadowvalueprivate.h
View File

@@ -56,5 +56,9 @@ gboolean gtk_css_shadow_value_push_snapshot (const GtkCssValue
void gtk_css_shadow_value_pop_snapshot (const GtkCssValue *value,
GtkSnapshot *snapshot);
GtkCssValue * gtk_css_shadow_value_resolve (GtkCssValue *value,
GtkCssComputeContext *context,
GtkCssValue *current_color);
G_END_DECLS