made floating_sel_composite() private and simplify it a lot by using

2008-11-09  Michael Natterer  <mitch@gimp.org>

	* app/core/gimplayer-floating-sel.[ch]: made
	floating_sel_composite() private and simplify it a lot by using
	gimp_rectangle_intersect().


svn path=/trunk/; revision=27580
This commit is contained in:
Michael Natterer 2008-11-09 17:15:00 +00:00 committed by Michael Natterer
parent 855b114f50
commit 509feafa4a
3 changed files with 88 additions and 108 deletions

View File

@ -1,3 +1,9 @@
2008-11-09 Michael Natterer <mitch@gimp.org>
* app/core/gimplayer-floating-sel.[ch]: made
floating_sel_composite() private and simplify it a lot by using
gimp_rectangle_intersect().
2008-11-09 Michael Natterer <mitch@gimp.org>
Bye bye floating_sel_rigor() and floating_sel_relax():

View File

@ -20,13 +20,13 @@
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "core-types.h"
#include "base/boundary.h"
#include "base/pixel-region.h"
#include "base/tile-manager.h"
#include "paint-funcs/paint-funcs.h"
@ -41,6 +41,13 @@
#include "gimp-intl.h"
/* local function prototypes */
static void floating_sel_composite (GimpLayer *layer);
/* public functions */
void
floating_sel_attach (GimpLayer *layer,
GimpDrawable *drawable)
@ -120,18 +127,8 @@ floating_sel_anchor (GimpLayer *layer)
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_FS_ANCHOR,
_("Anchor Floating Selection"));
/* Invalidate the previews of the layer that will be composited
* with the floating section.
*/
gimp_viewable_invalidate_preview (GIMP_VIEWABLE (layer->fs.drawable));
/* Composite the floating selection contents */
floating_sel_composite (layer,
GIMP_ITEM (layer)->offset_x,
GIMP_ITEM (layer)->offset_y,
gimp_item_get_width (GIMP_ITEM (layer)),
gimp_item_get_height (GIMP_ITEM (layer)),
TRUE);
floating_sel_composite (layer);
drawable = layer->fs.drawable;
@ -225,96 +222,6 @@ floating_sel_to_layer (GimpLayer *layer,
return TRUE;
}
void
floating_sel_composite (GimpLayer *layer,
gint x,
gint y,
gint w,
gint h,
gboolean push_undo)
{
GimpImage *image;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_layer_is_floating_sel (layer));
if (! (image = gimp_item_get_image (GIMP_ITEM (layer))))
return;
/* What this function does is composite the specified area of the
* drawble with the floating selection. We do this when the image
* is constructed, before any other composition takes place.
*/
/* First restore what's behind the image if necessary,
* then check for visibility
*/
if (gimp_item_get_visible (GIMP_ITEM (layer)))
{
gint offx, offy;
gint x1, y1, x2, y2;
/* Find the minimum area we need to composite -- in image space */
gimp_item_get_offset (GIMP_ITEM (layer->fs.drawable), &offx, &offy);
x1 = MAX (GIMP_ITEM (layer)->offset_x, offx);
y1 = MAX (GIMP_ITEM (layer)->offset_y, offy);
x2 = MIN (GIMP_ITEM (layer)->offset_x +
gimp_item_get_width (GIMP_ITEM (layer)),
offx + gimp_item_get_width (GIMP_ITEM (layer->fs.drawable)));
y2 = MIN (GIMP_ITEM (layer)->offset_y +
gimp_item_get_height (GIMP_ITEM (layer)),
offy + gimp_item_get_height (GIMP_ITEM (layer->fs.drawable)));
x1 = CLAMP (x, x1, x2);
y1 = CLAMP (y, y1, y2);
x2 = CLAMP (x + w, x1, x2);
y2 = CLAMP (y + h, y1, y2);
if ((x2 - x1) > 0 && (y2 - y1) > 0)
{
PixelRegion fsPR;
GimpLayer *d_layer = NULL;
gboolean lock_alpha = FALSE;
/* composite the area from the layer to the drawable */
pixel_region_init (&fsPR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (layer)),
(x1 - GIMP_ITEM (layer)->offset_x),
(y1 - GIMP_ITEM (layer)->offset_y),
(x2 - x1), (y2 - y1), FALSE);
/* a kludge here to prevent the case of the drawable
* underneath having lock alpha on, and disallowing
* the composited floating selection from being shown
*/
if (GIMP_IS_LAYER (layer->fs.drawable))
{
d_layer = GIMP_LAYER (layer->fs.drawable);
lock_alpha = gimp_layer_get_lock_alpha (d_layer);
if (lock_alpha)
gimp_layer_set_lock_alpha (d_layer, FALSE, FALSE);
}
/* apply the fs with the undo specified by the value
* passed to this function
*/
gimp_drawable_apply_region (layer->fs.drawable, &fsPR,
push_undo, NULL,
gimp_layer_get_opacity (layer),
gimp_layer_get_mode (layer),
NULL, NULL,
x1 - offx, y1 - offy);
/* restore lock alpha */
if (lock_alpha)
gimp_layer_set_lock_alpha (d_layer, TRUE, FALSE);
}
}
}
const BoundSeg *
floating_sel_boundary (GimpLayer *layer,
gint *n_segs)
@ -408,3 +315,76 @@ floating_sel_invalidate (GimpLayer *layer)
/* Invalidate the boundary */
layer->fs.boundary_known = FALSE;
}
/* private functions */
static void
floating_sel_composite (GimpLayer *layer)
{
GimpDrawable *drawable;
gint off_x, off_y;
gint dr_off_x, dr_off_y;
gint combine_x, combine_y;
gint combine_width, combine_height;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_layer_is_floating_sel (layer));
drawable = layer->fs.drawable;
gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);
gimp_item_get_offset (GIMP_ITEM (drawable), &dr_off_x, &dr_off_y);
/* First restore what's behind the image if necessary,
* then check for visibility
*/
if (gimp_item_get_visible (GIMP_ITEM (layer)) &&
gimp_rectangle_intersect (off_x, off_y,
gimp_item_get_width (GIMP_ITEM (layer)),
gimp_item_get_height (GIMP_ITEM (layer)),
dr_off_x, dr_off_y,
gimp_item_get_width (GIMP_ITEM (drawable)),
gimp_item_get_height (GIMP_ITEM (drawable)),
&combine_x, &combine_y,
&combine_width, &combine_height))
{
PixelRegion fsPR;
gboolean lock_alpha = FALSE;
/* composite the area from the layer to the drawable */
pixel_region_init (&fsPR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (layer)),
combine_x - off_x,
combine_y - off_y,
combine_width, combine_height,
FALSE);
/* a kludge here to prevent the case of the drawable
* underneath having lock alpha on, and disallowing
* the composited floating selection from being shown
*/
if (GIMP_IS_LAYER (drawable))
{
lock_alpha = gimp_layer_get_lock_alpha (GIMP_LAYER (drawable));
if (lock_alpha)
gimp_layer_set_lock_alpha (GIMP_LAYER (drawable), FALSE, FALSE);
}
/* apply the fs with the undo specified by the value
* passed to this function
*/
gimp_drawable_apply_region (drawable, &fsPR,
TRUE, NULL,
gimp_layer_get_opacity (layer),
gimp_layer_get_mode (layer),
NULL, NULL,
combine_x - dr_off_x,
combine_y - dr_off_y);
/* restore lock alpha */
if (lock_alpha)
gimp_layer_set_lock_alpha (GIMP_LAYER (drawable), TRUE, FALSE);
}
}

View File

@ -27,12 +27,6 @@ void floating_sel_anchor (GimpLayer *layer);
void floating_sel_activate_drawable (GimpLayer *layer);
gboolean floating_sel_to_layer (GimpLayer *layer,
GError **error);
void floating_sel_composite (GimpLayer *layer,
gint x,
gint y,
gint w,
gint h,
gboolean push_undo);
const BoundSeg * floating_sel_boundary (GimpLayer *layer,
gint *n_segs);
void floating_sel_invalidate (GimpLayer *layer);