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cssshadowvalue: Move the check for blurring into its own function

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This makes it easier to update the check later.
This commit is contained in:
Jasper St. Pierre 2014-08-29 14:48:29 -07:00 committed by Benjamin Otte
parent 6556e7e08d
commit 763aa4db94
1 changed files with 16 additions and 6 deletions
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22
gtk/gtkcssshadowvalue.c
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@ -311,6 +311,16 @@ fail:
return NULL;
}
static gboolean
needs_blur (const GtkCssValue *shadow)
{
double radius = _gtk_css_number_value_get (shadow->radius, 0);
if (radius == 0.0)
return FALSE;
return TRUE;
}
static const cairo_user_data_key_t original_cr_key;
static cairo_t *
@ -322,12 +332,12 @@ gtk_css_shadow_value_start_drawing (const GtkCssValue *shadow,
cairo_t *blur_cr;
gdouble radius, clip_radius;
radius = _gtk_css_number_value_get (shadow->radius, 0);
if (radius == 0.0)
if (!needs_blur (shadow))
return cr;
gdk_cairo_get_clip_rectangle (cr, &clip_rect);
radius = _gtk_css_number_value_get (shadow->radius, 0);
clip_radius = _gtk_cairo_blur_compute_pixels (radius);
/* Create a larger surface to center the blur. */
@ -358,14 +368,14 @@ gtk_css_shadow_value_finish_drawing (const GtkCssValue *shadow,
cairo_t *original_cr;
cairo_surface_t *surface;
radius = _gtk_css_number_value_get (shadow->radius, 0);
if (radius == 0.0)
if (!needs_blur (shadow))
return cr;
surface = cairo_get_target (cr);
original_cr = cairo_get_user_data (cr, &original_cr_key);
/* Blur the surface. */
surface = cairo_get_target (cr);
radius = _gtk_css_number_value_get (shadow->radius, 0);
_gtk_cairo_blur_surface (surface, radius);
gdk_cairo_set_source_rgba (original_cr, _gtk_css_rgba_value_get_rgba (shadow->color));
@ -573,7 +583,7 @@ _gtk_css_shadow_value_paint_box (const GtkCssValue *shadow,
clip_box = *padding_box;
_gtk_rounded_box_shrink (&clip_box, -clip_radius, -clip_radius, -clip_radius, -clip_radius);
if (radius == 0)
if (!needs_blur (shadow))
draw_shadow (shadow, cr, &box, &clip_box, FALSE);
else
{