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image: Always render the whole image

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Otherwise effects like blur etc will have funny seams on repaints.
Oh, and also, the draw vfunc doesn't have an equivalent to event->area
;)
This commit is contained in:
Benjamin Otte 2010-09-03 18:18:28 +02:00
parent 5228913f68
commit c76221426a
1 changed files with 4 additions and 61 deletions
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65
gtk/gtkimage.c
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@ -1568,45 +1568,6 @@ ensure_pixbuf_for_gicon (GtkImage *image,
} }
} }
/*
* Like gdk_rectangle_intersect (dest, src, dest), but make
* sure that the origin of dest is moved by an "even" offset.
* If necessary grow the intersection by one row or column
* to achieve this.
*
* This is necessary since we can't pass alignment information
* for the pixelation pattern down to gdk_pixbuf_saturate_and_pixelate(),
* thus we have to makesure that the subimages are properly aligned.
*/
static gboolean
rectangle_intersect_even (GdkRectangle *src,
GdkRectangle *dest)
{
gboolean isect;
gint x, y;
x = dest->x;
y = dest->y;
isect = gdk_rectangle_intersect (dest, src, dest);
if ((dest->x - x + dest->y - y) % 2 != 0)
{
if (dest->x > x)
{
dest->x--;
dest->width++;
}
else
{
dest->y--;
dest->height++;
}
}
return isect;
}
static gint static gint
gtk_image_expose (GtkWidget *widget, gtk_image_expose (GtkWidget *widget,
GdkEventExpose *event) GdkEventExpose *event)
@ -1625,7 +1586,7 @@ gtk_image_expose (GtkWidget *widget,
{ {
GtkAllocation allocation; GtkAllocation allocation;
GtkMisc *misc; GtkMisc *misc;
GdkRectangle area, image_bound; GdkRectangle image_bound;
gint x, y; gint x, y;
gint xpad, ypad; gint xpad, ypad;
gfloat xalign, yalign; gfloat xalign, yalign;
@ -1634,7 +1595,6 @@ gtk_image_expose (GtkWidget *widget,
gboolean needs_state_transform; gboolean needs_state_transform;
misc = GTK_MISC (widget); misc = GTK_MISC (widget);
area = event->area;
/* For stock items and icon sets, we lazily calculate /* For stock items and icon sets, we lazily calculate
* the size; we might get here between a queue_resize() * the size; we might get here between a queue_resize()
@ -1646,9 +1606,6 @@ gtk_image_expose (GtkWidget *widget,
gtk_widget_get_allocation (widget, &allocation); gtk_widget_get_allocation (widget, &allocation);
if (!gdk_rectangle_intersect (&area, &allocation, &area))
return FALSE;
gtk_misc_get_alignment (misc, &xalign, &yalign); gtk_misc_get_alignment (misc, &xalign, &yalign);
gtk_misc_get_padding (misc, &xpad, &ypad); gtk_misc_get_padding (misc, &xpad, &ypad);
@ -1672,21 +1629,8 @@ gtk_image_expose (GtkWidget *widget,
image_bound.width = gdk_pixbuf_get_width (priv->data.pixbuf.pixbuf); image_bound.width = gdk_pixbuf_get_width (priv->data.pixbuf.pixbuf);
image_bound.height = gdk_pixbuf_get_height (priv->data.pixbuf.pixbuf); image_bound.height = gdk_pixbuf_get_height (priv->data.pixbuf.pixbuf);
if (rectangle_intersect_even (&area, &image_bound) && pixbuf = priv->data.pixbuf.pixbuf;
needs_state_transform) g_object_ref (pixbuf);
{
pixbuf = gdk_pixbuf_new_subpixbuf (priv->data.pixbuf.pixbuf,
image_bound.x - x, image_bound.y - y,
image_bound.width, image_bound.height);
x = image_bound.x;
y = image_bound.y;
}
else
{
pixbuf = priv->data.pixbuf.pixbuf;
g_object_ref (pixbuf);
}
break; break;
case GTK_IMAGE_STOCK: case GTK_IMAGE_STOCK:
@ -1799,8 +1743,7 @@ gtk_image_expose (GtkWidget *widget,
break; break;
} }
if (pixbuf && if (pixbuf)
rectangle_intersect_even (&area, &image_bound))
{ {
cairo_t *cr; cairo_t *cr;