GimpLayer *
gimp_image_merge_group_layer (GimpImage *image,
GimpGroupLayer *group)
{
GimpLayer *parent;
GimpLayer *layer;
gint index;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_GROUP_LAYER (group), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (group)), NULL);
g_return_val_if_fail (gimp_item_get_image (GIMP_ITEM (group)) == image, NULL);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
C_("undo-type", "Merge Layer Group"));
parent = gimp_layer_get_parent (GIMP_LAYER (group));
index = gimp_item_get_index (GIMP_ITEM (group));
layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (group),
GIMP_TYPE_LAYER));
gimp_object_set_name (GIMP_OBJECT (layer), gimp_object_get_name (group));
gimp_image_remove_layer (image, GIMP_LAYER (group), TRUE, NULL);
gimp_image_add_layer (image, layer, parent, index, TRUE);
gimp_image_undo_group_end (image);
return layer;
}
void
gimp_create_image_from_buffer (Gimp *gimp,
GeglBuffer *buffer)
{
GimpImage *image;
GimpLayer *layer;
const Babl *format;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GEGL_IS_BUFFER (buffer));
format = gegl_buffer_get_format (buffer);
image = gimp_create_image (gimp,
gegl_buffer_get_width (buffer),
gegl_buffer_get_height (buffer),
gimp_babl_format_get_base_type (format),
gimp_babl_format_get_precision (format),
FALSE);
layer = gimp_layer_new_from_buffer (buffer, image, format,
"Debug Image",
GIMP_OPACITY_OPAQUE,
GIMP_NORMAL_MODE);
gimp_image_add_layer (image, layer, NULL, -1, FALSE);
gimp_create_display (gimp, image, GIMP_UNIT_PIXEL, 1.0);
}
void
edit_paste_as_new_layer_cmd_callback (GtkAction *action,
gpointer data)
{
Gimp *gimp;
GimpImage *image;
GimpBuffer *buffer;
return_if_no_gimp (gimp, data);
return_if_no_image (image, data);
buffer = gimp_clipboard_get_buffer (gimp);
if (buffer)
{
GimpLayer *layer;
layer = gimp_layer_new_from_buffer (gimp_buffer_get_buffer (buffer),
image,
gimp_image_get_layer_format (image,
TRUE),
_("Clipboard"),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
g_object_unref (buffer);
gimp_image_add_layer (image, layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_flush (image);
}
else
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_WARNING,
_("There is no image data in the clipboard to paste."));
}
}
static gint32
create_image (GdkPixbuf *pixbuf,
GdkRegion *shape,
const gchar *name)
{
gint32 image;
gint32 layer;
gdouble xres, yres;
gchar *comment;
gint width, height;
gboolean status;
status = gimp_progress_init (_("Importing screenshot"));
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
image = gimp_image_new (width, height, GIMP_RGB);
gimp_image_undo_disable (image);
gimp_get_monitor_resolution (&xres, &yres);
gimp_image_set_resolution (image, xres, yres);
comment = gimp_get_default_comment ();
if (comment)
{
GimpParasite *parasite;
parasite = gimp_parasite_new ("gimp-comment", GIMP_PARASITE_PERSISTENT,
strlen (comment) + 1, comment);
gimp_image_parasite_attach (image, parasite);
gimp_parasite_free (parasite);
g_free (comment);
}
layer = gimp_layer_new_from_pixbuf (image,
name ? name : _("Screenshot"),
pixbuf,
100, GIMP_NORMAL_MODE, 0.0, 1.0);
gimp_image_add_layer (image, layer, 0);
if (shape && ! gdk_region_empty (shape))
{
image_select_shape (image, shape);
if (! gimp_selection_is_empty (image))
{
gimp_layer_add_alpha (layer);
gimp_edit_clear (layer);
gimp_selection_none (image);
}
}
gimp_image_undo_enable (image);
return image;
}
static void
gimp_display_shell_drop_component (GtkWidget *widget,
gint x,
gint y,
GimpImage *image,
GimpChannelType component,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *dest_image = gimp_display_get_image (shell->display);
GimpChannel *channel;
GimpItem *new_item;
const gchar *desc;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! dest_image)
{
dest_image = gimp_image_new_from_component (image->gimp,
image, component);
gimp_create_display (dest_image->gimp, dest_image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (dest_image);
return;
}
channel = gimp_channel_new_from_component (image, component, NULL, NULL);
new_item = gimp_item_convert (GIMP_ITEM (channel),
dest_image, GIMP_TYPE_LAYER);
g_object_unref (channel);
if (new_item)
{
GimpLayer *new_layer = GIMP_LAYER (new_item);
gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
NULL, NULL, &desc, NULL);
gimp_object_take_name (GIMP_OBJECT (new_layer),
g_strdup_printf (_("%s Channel Copy"), desc));
gimp_image_undo_group_start (dest_image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
gimp_display_shell_dnd_position_item (shell, image, new_item);
gimp_image_add_layer (dest_image, new_layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (dest_image);
gimp_display_shell_dnd_flush (shell, dest_image);
}
}
static void
gimp_display_shell_drop_pixbuf (GtkWidget *widget,
gint x,
gint y,
GdkPixbuf *pixbuf,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = gimp_display_get_image (shell->display);
GimpLayer *new_layer;
gboolean has_alpha = FALSE;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
{
image = gimp_image_new_from_pixbuf (shell->display->gimp, pixbuf,
_("Dropped Buffer"));
gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (image);
return;
}
if (gdk_pixbuf_get_n_channels (pixbuf) == 2 ||
gdk_pixbuf_get_n_channels (pixbuf) == 4)
{
has_alpha = TRUE;
}
new_layer =
gimp_layer_new_from_pixbuf (pixbuf, image,
gimp_image_get_layer_format (image, has_alpha),
_("Dropped Buffer"),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (new_layer)
{
GimpItem *new_item = GIMP_ITEM (new_layer);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
gimp_display_shell_dnd_position_item (shell, image, new_item);
gimp_image_add_layer (image, new_layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (image);
gimp_display_shell_dnd_flush (shell, image);
}
}
static void
gimp_display_shell_drop_drawable (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = gimp_display_get_image (shell->display);
GType new_type;
GimpItem *new_item;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
{
image = gimp_image_new_from_drawable (shell->display->gimp,
GIMP_DRAWABLE (viewable));
gimp_create_display (shell->display->gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (image);
return;
}
if (GIMP_IS_LAYER (viewable))
new_type = G_TYPE_FROM_INSTANCE (viewable);
else
new_type = GIMP_TYPE_LAYER;
new_item = gimp_item_convert (GIMP_ITEM (viewable), image, new_type);
if (new_item)
{
GimpLayer *new_layer = GIMP_LAYER (new_item);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
gimp_display_shell_dnd_position_item (shell, image, new_item);
gimp_item_set_visible (new_item, TRUE, FALSE);
gimp_item_set_linked (new_item, FALSE, FALSE);
gimp_image_add_layer (image, new_layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (image);
gimp_display_shell_dnd_flush (shell, image);
}
}
static gboolean
debug_show_image_graph (GimpImage *source_image)
{
Gimp *gimp = source_image->gimp;
GimpProjectable *projectable = GIMP_PROJECTABLE (source_image);
GeglNode *image_graph = gimp_projectable_get_graph (projectable);
GeglNode *output_node = gegl_node_get_output_proxy (image_graph, "output");
GimpImage *new_image = NULL;
GimpLayer *layer = NULL;
GeglNode *introspect = NULL;
GeglNode *sink = NULL;
GeglBuffer *buffer = NULL;
gchar *new_name = NULL;
/* Setup and process the introspection graph */
introspect = gegl_node_new_child (NULL,
"operation", "gegl:introspect",
"node", output_node,
NULL);
sink = gegl_node_new_child (NULL,
"operation", "gegl:buffer-sink",
"buffer", &buffer,
NULL);
gegl_node_link_many (introspect, sink, NULL);
gegl_node_process (sink);
/* Create a new image of the result */
new_name = g_strdup_printf ("%s GEGL graph",
gimp_image_get_display_name (source_image));
new_image = gimp_create_image (gimp,
gegl_buffer_get_width (buffer),
gegl_buffer_get_height (buffer),
GIMP_RGB,
GIMP_PRECISION_U8,
FALSE);
gimp_image_set_uri (new_image, new_name);
layer = gimp_layer_new_from_buffer (buffer,
new_image,
gimp_image_get_layer_format (new_image,
TRUE),
new_name,
1.0,
GIMP_NORMAL_MODE);
gimp_image_add_layer (new_image, layer, NULL, 0, FALSE);
gimp_create_display (gimp, new_image, GIMP_UNIT_PIXEL, 1.0);
/* Cleanup */
g_object_unref (new_image);
g_free (new_name);
g_object_unref (buffer);
g_object_unref (sink);
g_object_unref (introspect);
g_object_unref (source_image);
return FALSE;
}
static void
preview_update_preview (GimpPreview *preview,
GimpDrawable *drawable)
{
gint x1, y1;
gint width, height;
gint bpp;
guchar *buffer;
GimpPixelRgn src_rgn;
GimpPixelRgn preview_rgn;
gint32 image_id, src_image_id;
gint32 preview_id;
GimpDrawable *preview_drawable;
bpp = gimp_drawable_bpp (drawable->drawable_id);
gimp_preview_get_position (preview, &x1, &y1);
gimp_preview_get_size (preview, &width, &height);
buffer = g_new (guchar, width * height * bpp);
gimp_pixel_rgn_init (&src_rgn, drawable,
x1, y1, width, height, FALSE, FALSE);
gimp_pixel_rgn_get_rect (&src_rgn, buffer,
x1, y1, width, height);
/* set up gimp drawable for rendering preview into */
src_image_id = gimp_drawable_get_image (drawable->drawable_id);
image_id = gimp_image_new (width, height,
gimp_image_base_type (src_image_id));
preview_id = gimp_layer_new (image_id, "preview", width, height,
gimp_drawable_type (drawable->drawable_id),
100,
GIMP_NORMAL_MODE);
preview_drawable = gimp_drawable_get (preview_id);
gimp_image_add_layer (image_id, preview_id, 0);
gimp_layer_set_offsets (preview_id, 0, 0);
gimp_pixel_rgn_init (&preview_rgn, preview_drawable,
0, 0, width, height, TRUE, TRUE);
gimp_pixel_rgn_set_rect (&preview_rgn, buffer,
0, 0, width, height);
gimp_drawable_flush (preview_drawable);
gimp_drawable_merge_shadow (preview_id, TRUE);
gimp_drawable_update (preview_id, 0, 0, width, height);
dog (image_id, preview_drawable, dogvals.inner, dogvals.outer, FALSE);
gimp_pixel_rgn_get_rect (&preview_rgn, buffer,
0, 0, width, height);
gimp_preview_draw_buffer (preview, buffer, width * bpp);
gimp_image_delete (image_id);
g_free (buffer);
}
/* -----------------------
* p_tri_map_preprocessing
* -----------------------
* prepare the tri mask for processing
* - have bpp == 1
* - have same size and offset as the input drawable (that is a layer)
* - pixel values >= 240 are set to value 240 (MATTING_USER_FOREGROUND)
* - in case the input layer already has an alpha channel
* all fully transparent (alpha == 0) pixels are also set 0 (MATTING_USER_BACKGROUND)
* in the tri map to keep pixels fully transparent. (such pixels typicall do not
* have a useful color information in the RGB channels)
*
*
* in case the user provided the tri map as layer or channel that is NOT the layermask of the input layer
* we create a new dummy layer with same size and offset as the input layer
* and add a layermask to this dummy layer.
* The layermask of the dummy layer is then filled with the intersecting grayscale copy
* of the user-provided triMap drawable and will be used as tri map in the alpha matting processing.
*
* returns the dawable Id of the relevant TRI MAP that fulfills the conditons listed above.
*/
static gint32
p_tri_map_preprocessing (GimpDrawable *drawable, GapFgExtractValues *fgValPtr, gint32 *dummyLayerId)
{
gint32 prepocessedTriMapLayerId;
gint32 inputLayerMaskId;
gint32 imageId;
*dummyLayerId = -1;
imageId = gimp_drawable_get_image(drawable->drawable_id);
inputLayerMaskId = gimp_layer_get_mask(drawable->drawable_id);
if (fgValPtr->tri_map_drawable_id == inputLayerMaskId)
{
prepocessedTriMapLayerId = inputLayerMaskId;
}
else
{
gint offset_x;
gint offset_y;
gint32 dummyLayerMaskId;
gint32 l_fsel_layer_id;
*dummyLayerId = gimp_layer_new(imageId
, "DUMMY"
, drawable->width
, drawable->height
, GIMP_RGBA_IMAGE
, 100.0 /* full opacity */
, GIMP_NORMAL_MODE /* normal mode */
);
/* get offsets of the input drawable (layer) within the image */
gimp_drawable_offsets (drawable->drawable_id, &offset_x, &offset_y);
/* add dummy layer (of same size at same offsets) to the same image */
gimp_image_add_layer(imageId, *dummyLayerId, -1 /* stackposition */ );
gimp_layer_set_offsets(*dummyLayerId, offset_x, offset_y);
/* create a new layermask (black is full transparent */
dummyLayerMaskId = gimp_layer_create_mask(*dummyLayerId, GIMP_ADD_BLACK_MASK);
gimp_layer_add_mask(*dummyLayerId, dummyLayerMaskId);
gimp_edit_copy(fgValPtr->tri_map_drawable_id);
l_fsel_layer_id = gimp_edit_paste(dummyLayerMaskId, FALSE);
gimp_floating_sel_anchor(l_fsel_layer_id);
prepocessedTriMapLayerId = dummyLayerMaskId;
}
gap_fg_rgn_tri_map_normalize(drawable, prepocessedTriMapLayerId);
return(prepocessedTriMapLayerId);
} /* end p_tri_map_preprocessing */
void
floating_sel_attach (GimpLayer *layer,
GimpDrawable *drawable)
{
GimpImage *image;
GimpLayer *floating_sel;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (drawable != GIMP_DRAWABLE (layer));
g_return_if_fail (gimp_item_get_image (GIMP_ITEM (layer)) ==
gimp_item_get_image (GIMP_ITEM (drawable)));
image = gimp_item_get_image (GIMP_ITEM (drawable));
floating_sel = gimp_image_floating_sel (image);
/* If there is already a floating selection, anchor it */
if (floating_sel)
{
floating_sel_anchor (floating_sel);
/* if we were pasting to the old floating selection, paste now
* to the drawable
*/
if (drawable == (GimpDrawable *) floating_sel)
drawable = gimp_image_get_active_drawable (image);
}
/* set the drawable and allocate a backing store */
gimp_layer_set_lock_alpha (layer, TRUE, FALSE);
layer->fs.drawable = drawable;
layer->fs.backing_store = tile_manager_new (GIMP_ITEM (layer)->width,
GIMP_ITEM (layer)->height,
gimp_drawable_bytes (drawable));
/* add the layer to the image */
gimp_image_add_layer (image, layer, 0);
/* store the affected area from the drawable in the backing store */
floating_sel_rigor (layer, TRUE);
}
void
callback_new_mask_button (GtkWidget * button, gpointer data)
{
gint32 layer_ID;
NewLayerData *nl_data = NEW_LAYER_DATA (data);
PreviewData *p_data = nl_data->preview_data;
GimpImageType image_type;
IMAGE_CHECK_ACTION(p_data->image_ID, gtk_dialog_response (GTK_DIALOG (dlg), RESPONSE_FATAL), );
switch (gimp_image_base_type (p_data->image_ID))
{
case GIMP_RGB:
image_type = GIMP_RGBA_IMAGE;
break;
case GIMP_GRAY:
image_type = GIMP_GRAYA_IMAGE;
break;
default:
return;
}
gimp_image_undo_group_start (p_data->image_ID);
layer_ID =
gimp_layer_new (p_data->image_ID, nl_data->name,
p_data->old_width, p_data->old_height,
image_type, 50, GIMP_NORMAL_MODE);
gimp_image_add_layer (p_data->image_ID, layer_ID, -1);
gimp_drawable_fill (layer_ID, GIMP_TRANSPARENT_FILL);
gimp_layer_translate (layer_ID, p_data->x_off, p_data->y_off);
gimp_image_undo_group_end (p_data->image_ID);
*(nl_data->layer_ID) = layer_ID;
*(nl_data->status) = TRUE;
nl_data->preview_data->ui_vals->layer_on_edit_ID = layer_ID;
nl_data->preview_data->ui_vals->layer_on_edit_type = nl_data->layer_type;
nl_data->preview_data->ui_vals->layer_on_edit_is_new = TRUE;
g_free(nl_data);
gtk_dialog_response (GTK_DIALOG(dlg), RESPONSE_WORK_ON_AUX_LAYER);
}
static gint32 create_new_layer(
gint32 img,
gint position,
const gchar* layername,
guint width,
guint height,
GimpImageBaseType bas_type,
GimpDrawable** drawable,
GimpPixelRgn* pixel_rgn)
{
gint32 layer;
GimpImageType img_type = GIMP_RGB_IMAGE;
/* TODO: add support for GIMP_RGBA_IMAGE in case of RGBA888 */
switch (bas_type)
{
case GIMP_RGB:
img_type = GIMP_RGB_IMAGE;
break;
case GIMP_GRAY:
img_type = GIMP_GRAY_IMAGE;
break;
case GIMP_INDEXED:
img_type = GIMP_INDEXED_IMAGE;
break;
}
if (!layername) {
layername = "background";
}
layer = gimp_layer_new(img, layername, width, height, img_type, 100,
GIMP_NORMAL_MODE);
gimp_image_add_layer(img, layer, position);
*drawable = gimp_drawable_get(layer);
gimp_pixel_rgn_init(pixel_rgn, *drawable, 0, 0, (*drawable)->width,
(*drawable)->height, TRUE, FALSE);
return layer;
}
static gint32
load_image (const gchar *filename)
{
gint32 image;
gint32 layer;
GdkPixbuf *pixbuf;
gint width;
gint height;
GError *error = NULL;
pixbuf = load_rsvg_pixbuf (filename, &load_vals, &error);
if (!pixbuf)
{
/* Do not rely on librsvg setting GError on failure! */
g_message (_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename),
error ? error->message : _("Unknown reason"));
return -1;
}
gimp_progress_init (_("Rendering SVG"));
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
image = gimp_image_new (width, height, GIMP_RGB);
gimp_image_undo_disable (image);
gimp_image_set_filename (image, filename);
gimp_image_set_resolution (image,
load_vals.resolution, load_vals.resolution);
layer = gimp_layer_new_from_pixbuf (image, _("Rendered SVG"), pixbuf,
100, GIMP_NORMAL_MODE, 0.0, 1.0);
gimp_image_add_layer (image, layer, 0);
gimp_image_undo_enable (image);
return image;
}
/* ----------------------------------------
* p_createEmptyEdgeDrawable
* ----------------------------------------
* create the (empty) edge drawable as layer of a new image
*
*/
static void
p_createEmptyEdgeDrawable(GapEdgeContext *ectx)
{
ectx->edgeImageId = gimp_image_new(ectx->refDrawable->width
, ectx->refDrawable->height
, GIMP_GRAY
);
ectx->edgeDrawableId = gimp_layer_new(ectx->edgeImageId
, "edge"
, ectx->refDrawable->width
, ectx->refDrawable->height
, GIMP_GRAY_IMAGE
, 100.0 /* full opacity */
, 0 /* normal mode */
);
gimp_image_add_layer (ectx->edgeImageId, ectx->edgeDrawableId, 0 /* stackposition */ );
ectx->edgeDrawable = gimp_drawable_get(ectx->edgeDrawableId);
} /* end p_createEmptyEdgeDrawable */
static gint32
create_new_layer (gint32 image_ID,
gint position,
const gchar *layername,
guint width,
guint height,
GimpImageBaseType type,
GimpDrawable **drawable,
GimpPixelRgn *pixel_rgn)
{
gint32 layer_ID;
GimpImageType gdtype = GIMP_RGB_IMAGE;
switch (type)
{
case GIMP_RGB:
gdtype = GIMP_RGB_IMAGE;
break;
case GIMP_GRAY:
gdtype = GIMP_GRAY_IMAGE;
break;
case GIMP_INDEXED:
gdtype = GIMP_INDEXED_IMAGE;
break;
}
if (!layername)
layername = _("Background");
layer_ID = gimp_layer_new (image_ID, layername, width, height,
gdtype, 100, GIMP_NORMAL_MODE);
gimp_image_add_layer (image_ID, layer_ID, position);
*drawable = gimp_drawable_get (layer_ID);
gimp_pixel_rgn_init (pixel_rgn, *drawable, 0, 0, (*drawable)->width,
(*drawable)->height, TRUE, FALSE);
return layer_ID;
}
static GimpLayer *
gimp_image_duplicate_layers (GimpImage *image,
GimpImage *new_image)
{
GimpLayer *active_layer = NULL;
GList *list;
gint count;
for (list = gimp_image_get_layer_iter (image), count = 0;
list;
list = g_list_next (list))
{
GimpLayer *layer = list->data;
GimpLayer *new_layer;
if (gimp_layer_is_floating_sel (layer))
continue;
new_layer = GIMP_LAYER (gimp_image_duplicate_item (GIMP_ITEM (layer),
new_image));
/* Make sure that if the layer has a layer mask,
* its name isn't screwed up
*/
if (new_layer->mask)
gimp_object_set_name (GIMP_OBJECT (new_layer->mask),
gimp_object_get_name (layer->mask));
if (gimp_image_get_active_layer (image) == layer)
active_layer = new_layer;
gimp_image_add_layer (new_image, new_layer,
NULL, count++, FALSE);
}
return active_layer;
}
void
floating_sel_attach (GimpLayer *layer,
GimpDrawable *drawable)
{
GimpImage *image;
GimpLayer *floating_sel;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (drawable != GIMP_DRAWABLE (layer));
g_return_if_fail (gimp_item_get_image (GIMP_ITEM (layer)) ==
gimp_item_get_image (GIMP_ITEM (drawable)));
image = gimp_item_get_image (GIMP_ITEM (drawable));
floating_sel = gimp_image_get_floating_selection (image);
/* If there is already a floating selection, anchor it */
if (floating_sel)
{
floating_sel_anchor (floating_sel);
/* if we were pasting to the old floating selection, paste now
* to the drawable
*/
if (drawable == (GimpDrawable *) floating_sel)
drawable = gimp_image_get_active_drawable (image);
}
gimp_layer_set_lock_alpha (layer, TRUE, FALSE);
gimp_layer_set_floating_sel_drawable (layer, drawable);
gimp_image_add_layer (image, layer, NULL, 0, TRUE);
}
static void preview_ambient_occlusion_only(gint32 image_ID) {
gint32 drawable_ID = -1;
gint32 drawableAO_ID = -1;
gtk_label_set_text(GTK_LABEL(progress_label), "Mixing Colors");
// preview_diffuse_only(image_ID);
preview_normal_only(image_ID);
// if (preview_normal_only(image_ID) != NULL) return NULL;
drawable_ID = gimp_image_get_active_layer(image_ID);
/** Copy active layer. */
/** LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL */
drawableAO_ID = gimp_layer_copy (drawable_ID);
/** Add new layer to image. */
gimp_image_add_layer(image_ID, drawableAO_ID, -1);
/** Set new layer as active. */
gimp_image_set_active_layer(image_ID, drawableAO_ID);
/**
* Colors -> Components -> "Channel Mixer" applied
* Standard plug-in. Source code ships with GIMP.
*
* Add the "f" here to signify float in c language.
* Removed 0.0 on first param and changed to 0 because boolean.
*/
/** Explained on line ~1300 of InsaneBump.c */
// if (plug_in_colors_channel_mixer_connector(image_ID, drawableAO_ID, 0, -200.0f, 0.0f, 0.0f, 0.0f, -200.0f, 0.0f, 0.0f, 0.0f, 1.0f) != 1) return;
if (plug_in_colors_channel_mixer_connector(image_ID, drawableAO_ID, 0, -1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f) != 1) return;
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR(progress), 0.87);
gimp_desaturate(drawableAO_ID);
gimp_levels_stretch(drawableAO_ID);
pDrawables.drawable_ao = gimp_drawable_get(drawableAO_ID);
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR(progress), 0.90);
}
GimpLayer *
text_render (GimpImage *image,
GimpDrawable *drawable,
GimpContext *context,
gint text_x,
gint text_y,
const gchar *fontname,
const gchar *text,
gint border,
gboolean antialias)
{
PangoFontDescription *desc;
GimpText *gtext;
GimpLayer *layer;
GimpRGB color;
gchar *font;
gdouble size;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (drawable == NULL ||
gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (fontname != NULL, NULL);
g_return_val_if_fail (text != NULL, NULL);
if (border < 0)
border = 0;
desc = pango_font_description_from_string (fontname);
size = PANGO_PIXELS (pango_font_description_get_size (desc));
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
font = pango_font_description_to_string (desc);
pango_font_description_free (desc);
gimp_context_get_foreground (context, &color);
gtext = g_object_new (GIMP_TYPE_TEXT,
"text", text,
"font", font,
"font-size", size,
"antialias", antialias,
"border", border,
"color", &color,
NULL);
g_free (font);
layer = gimp_text_layer_new (image, gtext);
g_object_unref (gtext);
if (!layer)
return NULL;
/* Start a group undo */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_TEXT,
_("Add Text Layer"));
/* Set the layer offsets */
gimp_item_set_offset (GIMP_ITEM (layer), text_x, text_y);
/* If there is a selection mask clear it--
* this might not always be desired, but in general,
* it seems like the correct behavior.
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
gimp_channel_clear (gimp_image_get_mask (image), NULL, TRUE);
if (drawable == NULL)
{
/* If the drawable is NULL, create a new layer */
gimp_image_add_layer (image, layer, NULL, -1, TRUE);
}
else
{
/* Otherwise, instantiate the text as the new floating selection */
floating_sel_attach (layer, drawable);
}
/* end the group undo */
gimp_image_undo_group_end (image);
return layer;
}
static gboolean apply_watermark(watermark_settings settings, image_output out)
{
gboolean success = TRUE;
gint32 layerId;
gdouble posX, posY;
gint wmwidth, wmheight, wmasc, wmdesc;
if (settings->mode) {
if (strlen(settings->text) == 0) {
return TRUE;
}
GimpRGB old_foreground, new_foreground;
gimp_context_get_foreground(&old_foreground);
gimp_rgb_parse_hex (&new_foreground, gdk_color_to_string(&(settings->color)), strlen(gdk_color_to_string(&(settings->color))));
gimp_context_set_foreground(&new_foreground);
gimp_text_get_extents_fontname(
settings->text,
pango_font_description_get_size(settings->font) / PANGO_SCALE,
GIMP_PIXELS,
pango_font_description_get_family(settings->font),
&wmwidth,
&wmheight,
&wmasc,
&wmdesc
);
if (settings->position == WM_POS_TL) {
posX = 10;
posY = 5;
}
else if (settings->position == WM_POS_TC) {
posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2);
posY = 5;
}
else if (settings->position == WM_POS_TR) {
posX = gimp_image_width(out->image_id) - wmwidth - 10;
posY = 5;
}
else if (settings->position == WM_POS_BL) {
posX = 10;
posY = gimp_image_height(out->image_id) - wmheight - 5;
}
else if (settings->position == WM_POS_BC) {
posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2);
posY = gimp_image_height(out->image_id) - wmheight - 5;
}
else if (settings->position == WM_POS_BR) {
posX = gimp_image_width(out->image_id) - wmwidth - 10;
posY = gimp_image_height(out->image_id) - wmheight - 5;
}
else if (settings->position == WM_POS_CL) {
posX = 10;
posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2);
}
else if (settings->position == WM_POS_CR) {
posX = gimp_image_width(out->image_id) - wmwidth - 10;
posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2);
}
else {
posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2);
posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2);
}
layerId = gimp_text_fontname(
out->image_id,
-1,
posX,
posY,
settings->text,
-1,
TRUE,
pango_font_description_get_size(settings->font) / PANGO_SCALE,
GIMP_PIXELS,
pango_font_description_get_family(settings->font)
);
gimp_context_set_foreground(&old_foreground);
gimp_layer_set_opacity(layerId, settings->opacity);
}
else {
if (!g_file_test(settings->image_file, G_FILE_TEST_IS_REGULAR)) {//((access(settings->image_file, R_OK) == -1)) {
// error, can't access image file
return TRUE;
}
layerId = gimp_file_load_layer(
GIMP_RUN_NONINTERACTIVE,
out->image_id,
settings->image_file
);
gimp_layer_set_opacity(layerId, settings->opacity);
wmwidth = gimp_drawable_width(layerId);
wmheight = gimp_drawable_height(layerId);
#if USE_API26
gimp_image_add_layer(
out->image_id,
layerId,
0
);
#else
// starting from 2.8, gimp_image_add_layer is deprecated.
// use gimp_image_insert_layer instead
gimp_image_insert_layer(
out->image_id,
layerId,
0,
0
);
#endif
if (settings->position == WM_POS_TL) {
posX = 10;
posY = 10;
}
else if (settings->position == WM_POS_TC) {
posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2);
posY = 10;
}
else if (settings->position == WM_POS_TR) {
posX = gimp_image_width(out->image_id) - wmwidth - 10;
posY = 10;
}
else if (settings->position == WM_POS_BL) {
posX = 10;
posY = gimp_image_height(out->image_id) - wmheight - 10;
}
else if (settings->position == WM_POS_BC) {
posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2);
posY = gimp_image_height(out->image_id) - wmheight - 10;
}
else if (settings->position == WM_POS_BR) {
posX = gimp_image_width(out->image_id) - wmwidth - 10;
posY = gimp_image_height(out->image_id) - wmheight - 10;
}
else if (settings->position == WM_POS_CL) {
posX = 10;
posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2);
}
else if (settings->position == WM_POS_CR) {
posX = gimp_image_width(out->image_id) - wmwidth - 10;
posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2);
}
else {
posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2);
posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2);
}
gimp_layer_set_offsets(
layerId,
posX,
posY
);
}
// refresh all drawables
g_free(out->drawable_ids);
out->drawable_ids = gimp_image_get_layers(out->image_id, &out->drawable_count);
return success;
}
static gboolean apply_resize(resize_settings settings, image_output out)
{
gboolean success = FALSE;
gint orig_w, orig_h, final_w, final_h, view_w, view_h;
gdouble orig_res_x, orig_res_y;
if (settings->change_res) {
success = gimp_image_get_resolution(
out->image_id,
&orig_res_x,
&orig_res_y
);
if ((settings->new_res_x != orig_res_x) || (settings->new_res_y != orig_res_y)) {
// change resolution
success = gimp_image_set_resolution(
out->image_id,
settings->new_res_x,
settings->new_res_y
);
}
}
orig_w = gimp_image_width(out->image_id);
orig_h = gimp_image_height(out->image_id);
if (settings->resize_mode == RESIZE_PERCENT) {
if (settings->stretch_mode == STRETCH_ASPECT) {
gdouble newpct = min(settings->new_w_pc, settings->new_h_pc);
final_w = view_w = round((orig_w * newpct) / 100.0);
final_h = view_h = round((orig_h * newpct) / 100.0);
}
else if (settings->stretch_mode == STRETCH_PADDED) {
gdouble newpct = min(settings->new_w_pc, settings->new_h_pc);
final_w = round((orig_w * newpct) / 100.0);
final_h = round((orig_h * newpct) / 100.0);
view_w = round((orig_w * settings->new_w_pc) / 100.0);
view_h = round((orig_h * settings->new_h_pc) / 100.0);
}
else {
final_w = view_w = round((orig_w * settings->new_w_pc) / 100.0);
final_h = view_h = round((orig_h * settings->new_h_pc) / 100.0);
}
}
else {
// user typed exact pixel size
if (settings->resize_mode == RESIZE_PIXEL_WIDTH) {
view_w = settings->new_w_px; // width is fixed
if (settings->stretch_mode == STRETCH_ASPECT) {
final_w = view_w;
final_h = view_h = round(((float)final_w * orig_h) / orig_w);
}
else if (settings->stretch_mode == STRETCH_PADDED) {
final_w = min(view_w, orig_w);
final_h = round(((float)final_w * orig_h) / orig_w);
view_h = max(orig_h, final_h);
}
else {
final_w = view_w;
final_h = view_h = orig_h;
}
}
else if (settings->resize_mode == RESIZE_PIXEL_HEIGHT) {
view_h = settings->new_h_px; // height is fixed
if (settings->stretch_mode == STRETCH_ASPECT) {
final_h = view_h;
final_w = view_w = round(((float)final_h * orig_w) / orig_h);
}
else if (settings->stretch_mode == STRETCH_PADDED) {
final_h = min(view_h, orig_h);
final_w = round(((float)final_h * orig_w) / orig_h);
view_w = max(orig_w, final_w);
}
else {
final_h = view_h;
final_w = view_w = orig_w;
}
}
else {
// both dimensions are defined
if (settings->stretch_mode == STRETCH_ASPECT) {
// Find which new dimension is the smallest percentage of the existing image dimension
gdouble newwpct = (float)settings->new_w_px / (float)orig_w;
gdouble newhpct = (float)settings->new_h_px / (float)orig_h;
gdouble newpct = min(newwpct, newhpct);
final_w = view_w = round(orig_w * newpct);
final_h = view_h = round(orig_h * newpct);
}
else if (settings->stretch_mode == STRETCH_PADDED) {
// Find which new dimension is the smallest percentage of the existing image dimension
gdouble newwpct = (float)settings->new_w_px / (float)orig_w;
gdouble newhpct = (float)settings->new_h_px / (float)orig_h;
gdouble newpct = min(newwpct, newhpct);
final_w = round(orig_w * newpct);
final_h = round(orig_h * newpct);
view_w = round(orig_w * newwpct);
view_h = round(orig_h * newhpct);
}
else {
final_w = view_w = settings->new_w_px;
final_h = view_h = settings->new_h_px;
}
}
}
// do resize
#if USE_API26
success = gimp_image_scale_full (
out->image_id,
final_w,
final_h,
settings->interpolation
);
#else
// starting from 2.8, gimp_image_scale_full is deprecated.
// use gimp_image_scale instead
GimpInterpolationType old_interpolation;
old_interpolation = gimp_context_get_interpolation();
success = gimp_context_set_interpolation (settings->interpolation);
success = gimp_image_scale (
out->image_id,
final_w,
final_h
);
success = gimp_context_set_interpolation (old_interpolation);
#endif
// add a padding if requested
if (settings->stretch_mode == STRETCH_PADDED) {
// the padding will be drawn using a coloured layer at the bottom of the image
gint32 layerId = gimp_layer_new(
out->image_id,
"padding_layer",
view_w, view_h,
GIMP_RGBA_IMAGE,
(settings->padding_color_alpha / (float)G_MAXUINT16) * 100,
GIMP_NORMAL_MODE
);
#if USE_API26
gimp_image_add_layer (
out->image_id,
layerId,
0
);
gimp_image_lower_layer_to_bottom(out->image_id, layerId);
#else
gimp_image_insert_layer(
out->image_id,
layerId,
0,
0
);
gimp_image_lower_item_to_bottom(out->image_id, layerId);
#endif
// fill it with the selected color
GimpRGB old_background, new_background;
gimp_context_get_background(&old_background);
gimp_rgb_parse_hex (&new_background, gdk_color_to_string(&(settings->padding_color)), strlen(gdk_color_to_string(&(settings->padding_color))));
gimp_context_set_background(&new_background);
gimp_drawable_fill(layerId, GIMP_BACKGROUND_FILL);
gimp_context_set_background(&old_background);
// move it to the center
gimp_layer_translate(layerId, -abs(view_w - final_w) / 2, -abs(view_h - final_h) / 2);
// finish changing the canvas size accordingly
success = gimp_image_resize_to_layers(out->image_id);
}
return success;
}
static void
gimp_display_shell_drop_pixbuf (GtkWidget *widget,
gint x,
gint y,
GdkPixbuf *pixbuf,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = shell->display->image;
GimpLayer *new_layer;
GimpImageType image_type;
gboolean new_image = FALSE;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
switch (gdk_pixbuf_get_n_channels (pixbuf))
{
case 1: image_type = GIMP_GRAY_IMAGE; break;
case 2: image_type = GIMP_GRAYA_IMAGE; break;
case 3: image_type = GIMP_RGB_IMAGE; break;
case 4: image_type = GIMP_RGBA_IMAGE; break;
break;
default:
g_return_if_reached ();
break;
}
if (! image)
{
image = gimp_create_image (shell->display->gimp,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
GIMP_IMAGE_TYPE_BASE_TYPE (image_type),
FALSE);
gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0);
g_object_unref (image);
gimp_image_undo_disable (image);
new_image = TRUE;
}
new_layer =
gimp_layer_new_from_pixbuf (pixbuf, image, image_type,
_("Dropped Buffer"),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (new_layer)
{
GimpItem *new_item = GIMP_ITEM (new_layer);
new_item = GIMP_ITEM (new_layer);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
if (! new_image)
gimp_display_shell_dnd_position_item (shell, new_item);
gimp_image_add_layer (image, new_layer, -1);
gimp_image_undo_group_end (image);
gimp_display_shell_dnd_flush (shell, image);
}
if (new_image)
gimp_image_undo_enable (image);
}
static GimpLayer *
gimp_image_merge_layers (GimpImage *image,
GSList *merge_list,
GimpContext *context,
GimpMergeType merge_type,
const gchar *undo_desc)
{
GList *list;
GSList *reverse_list = NULL;
PixelRegion src1PR, src2PR, maskPR;
PixelRegion *mask;
GimpLayer *merge_layer;
GimpLayer *layer;
GimpLayer *bottom_layer;
GimpImageType type;
gint count;
gint x1, y1, x2, y2;
gint x3, y3, x4, y4;
CombinationMode operation;
gint position;
gboolean active[MAX_CHANNELS] = { TRUE, TRUE, TRUE, TRUE };
gint off_x, off_y;
gchar *name;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
layer = NULL;
type = GIMP_RGBA_IMAGE;
x1 = y1 = 0;
x2 = y2 = 0;
bottom_layer = NULL;
/* Get the layer extents */
count = 0;
while (merge_list)
{
layer = merge_list->data;
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
switch (merge_type)
{
case GIMP_EXPAND_AS_NECESSARY:
case GIMP_CLIP_TO_IMAGE:
if (! count)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_height (GIMP_ITEM (layer));
}
else
{
if (off_x < x1)
x1 = off_x;
if (off_y < y1)
y1 = off_y;
if ((off_x + gimp_item_width (GIMP_ITEM (layer))) > x2)
x2 = (off_x + gimp_item_width (GIMP_ITEM (layer)));
if ((off_y + gimp_item_height (GIMP_ITEM (layer))) > y2)
y2 = (off_y + gimp_item_height (GIMP_ITEM (layer)));
}
if (merge_type == GIMP_CLIP_TO_IMAGE)
{
x1 = CLAMP (x1, 0, gimp_image_get_width (image));
y1 = CLAMP (y1, 0, gimp_image_get_height (image));
x2 = CLAMP (x2, 0, gimp_image_get_width (image));
y2 = CLAMP (y2, 0, gimp_image_get_height (image));
}
break;
case GIMP_CLIP_TO_BOTTOM_LAYER:
if (merge_list->next == NULL)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_height (GIMP_ITEM (layer));
}
break;
case GIMP_FLATTEN_IMAGE:
if (merge_list->next == NULL)
{
x1 = 0;
y1 = 0;
x2 = gimp_image_get_width (image);
y2 = gimp_image_get_height (image);
}
break;
}
count ++;
reverse_list = g_slist_prepend (reverse_list, layer);
merge_list = g_slist_next (merge_list);
}
if ((x2 - x1) == 0 || (y2 - y1) == 0)
return NULL;
/* Start a merge undo group. */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
undo_desc);
name = g_strdup (gimp_object_get_name (GIMP_OBJECT (layer)));
if (merge_type == GIMP_FLATTEN_IMAGE ||
gimp_drawable_type (GIMP_DRAWABLE (layer)) == GIMP_INDEXED_IMAGE)
{
guchar bg[4] = { 0, 0, 0, 0 };
type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (gimp_image_base_type (image));
merge_layer = gimp_layer_new (image, (x2 - x1), (y2 - y1),
type,
gimp_object_get_name (GIMP_OBJECT (layer)),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (! merge_layer)
{
g_warning ("%s: could not allocate merge layer.", G_STRFUNC);
return NULL;
}
GIMP_ITEM (merge_layer)->offset_x = x1;
GIMP_ITEM (merge_layer)->offset_y = y1;
/* get the background for compositing */
gimp_image_get_background (image, context,
gimp_drawable_type (GIMP_DRAWABLE (merge_layer)),
bg);
/* init the pixel region */
pixel_region_init (&src1PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)),
0, 0, (x2 - x1), (y2 - y1),
TRUE);
/* set the region to the background color */
color_region (&src1PR, bg);
position = 0;
}
else
{
/* The final merged layer inherits the name of the bottom most layer
* and the resulting layer has an alpha channel whether or not the
* original did. Opacity is set to 100% and the MODE is set to normal.
*/
merge_layer =
gimp_layer_new (image, (x2 - x1), (y2 - y1),
gimp_drawable_type_with_alpha (GIMP_DRAWABLE (layer)),
"merged layer",
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (!merge_layer)
{
g_warning ("%s: could not allocate merge layer", G_STRFUNC);
return NULL;
}
GIMP_ITEM (merge_layer)->offset_x = x1;
GIMP_ITEM (merge_layer)->offset_y = y1;
/* clear the layer */
pixel_region_init (&src1PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)),
0, 0,
(x2 - x1), (y2 - y1),
TRUE);
clear_region (&src1PR);
/* Find the index in the layer list of the bottom layer--we need this
* in order to add the final, merged layer to the layer list correctly
*/
layer = reverse_list->data;
position =
gimp_container_num_children (image->layers) -
gimp_container_get_child_index (image->layers, GIMP_OBJECT (layer));
}
bottom_layer = layer;
/* Copy the tattoo and parasites of the bottom layer to the new layer */
gimp_item_set_tattoo (GIMP_ITEM (merge_layer),
gimp_item_get_tattoo (GIMP_ITEM (bottom_layer)));
g_object_unref (GIMP_ITEM (merge_layer)->parasites);
GIMP_ITEM (merge_layer)->parasites =
gimp_parasite_list_copy (GIMP_ITEM (bottom_layer)->parasites);
while (reverse_list)
{
GimpLayerModeEffects mode;
layer = reverse_list->data;
/* determine what sort of operation is being attempted and
* if it's actually legal...
*/
operation = gimp_image_merge_layers_get_operation (merge_layer, layer);
if (operation == -1)
{
gimp_layer_add_alpha (layer);
/* try again ... */
operation = gimp_image_merge_layers_get_operation (merge_layer,
layer);
}
if (operation == -1)
{
g_warning ("%s: attempting to merge incompatible layers.", G_STRFUNC);
return NULL;
}
gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y);
x3 = CLAMP (off_x, x1, x2);
y3 = CLAMP (off_y, y1, y2);
x4 = CLAMP (off_x + gimp_item_width (GIMP_ITEM (layer)), x1, x2);
y4 = CLAMP (off_y + gimp_item_height (GIMP_ITEM (layer)), y1, y2);
/* configure the pixel regions */
pixel_region_init (&src1PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (merge_layer)),
(x3 - x1), (y3 - y1), (x4 - x3), (y4 - y3),
TRUE);
pixel_region_init (&src2PR,
gimp_drawable_get_tiles (GIMP_DRAWABLE (layer)),
(x3 - off_x), (y3 - off_y),
(x4 - x3), (y4 - y3),
FALSE);
if (gimp_layer_get_mask (layer) &&
gimp_layer_mask_get_apply (layer->mask))
{
TileManager *tiles;
tiles = gimp_drawable_get_tiles (GIMP_DRAWABLE (layer->mask));
pixel_region_init (&maskPR, tiles,
(x3 - off_x), (y3 - off_y), (x4 - x3), (y4 - y3),
FALSE);
mask = &maskPR;
}
else
{
mask = NULL;
}
/* DISSOLVE_MODE is special since it is the only mode that does not
* work on the projection with the lower layer, but only locally on
* the layers alpha channel.
*/
mode = gimp_layer_get_mode (layer);
if (layer == bottom_layer && mode != GIMP_DISSOLVE_MODE)
mode = GIMP_NORMAL_MODE;
combine_regions (&src1PR, &src2PR, &src1PR, mask, NULL,
gimp_layer_get_opacity (layer) * 255.999,
mode,
active,
operation);
gimp_image_remove_layer (image, layer);
reverse_list = g_slist_next (reverse_list);
}
g_slist_free (reverse_list);
/* if the type is flatten, remove all the remaining layers */
if (merge_type == GIMP_FLATTEN_IMAGE)
{
list = GIMP_LIST (image->layers)->list;
while (list)
{
layer = list->data;
list = g_list_next (list);
gimp_image_remove_layer (image, layer);
}
gimp_image_add_layer (image, merge_layer, position);
}
else
{
/* Add the layer to the image */
gimp_image_add_layer (image, merge_layer,
gimp_container_num_children (image->layers) - position + 1);
}
/* set the name after the original layers have been removed so we
* don't end up with #2 appended to the name
*/
gimp_object_take_name (GIMP_OBJECT (merge_layer), name);
gimp_item_set_visible (GIMP_ITEM (merge_layer), TRUE, TRUE);
/* End the merge undo group */
gimp_image_undo_group_end (image);
gimp_drawable_update (GIMP_DRAWABLE (merge_layer),
0, 0,
gimp_item_width (GIMP_ITEM (merge_layer)),
gimp_item_height (GIMP_ITEM (merge_layer)));
return merge_layer;
}
static GimpLayer *
gimp_image_merge_layers (GimpImage *image,
GimpContainer *container,
GSList *merge_list,
GimpContext *context,
GimpMergeType merge_type)
{
GList *list;
GSList *reverse_list = NULL;
GSList *layers;
GimpLayer *merge_layer;
GimpLayer *layer;
GimpLayer *bottom_layer;
GimpParasiteList *parasites;
gint count;
gint x1, y1, x2, y2;
gint off_x, off_y;
gint position;
gchar *name;
GimpLayer *parent;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
layer = NULL;
x1 = y1 = 0;
x2 = y2 = 0;
bottom_layer = NULL;
parent = gimp_layer_get_parent (merge_list->data);
/* Get the layer extents */
count = 0;
while (merge_list)
{
layer = merge_list->data;
gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);
switch (merge_type)
{
case GIMP_EXPAND_AS_NECESSARY:
case GIMP_CLIP_TO_IMAGE:
if (! count)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_get_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_get_height (GIMP_ITEM (layer));
}
else
{
if (off_x < x1)
x1 = off_x;
if (off_y < y1)
y1 = off_y;
if ((off_x + gimp_item_get_width (GIMP_ITEM (layer))) > x2)
x2 = (off_x + gimp_item_get_width (GIMP_ITEM (layer)));
if ((off_y + gimp_item_get_height (GIMP_ITEM (layer))) > y2)
y2 = (off_y + gimp_item_get_height (GIMP_ITEM (layer)));
}
if (merge_type == GIMP_CLIP_TO_IMAGE)
{
x1 = CLAMP (x1, 0, gimp_image_get_width (image));
y1 = CLAMP (y1, 0, gimp_image_get_height (image));
x2 = CLAMP (x2, 0, gimp_image_get_width (image));
y2 = CLAMP (y2, 0, gimp_image_get_height (image));
}
break;
case GIMP_CLIP_TO_BOTTOM_LAYER:
if (merge_list->next == NULL)
{
x1 = off_x;
y1 = off_y;
x2 = off_x + gimp_item_get_width (GIMP_ITEM (layer));
y2 = off_y + gimp_item_get_height (GIMP_ITEM (layer));
}
break;
case GIMP_FLATTEN_IMAGE:
if (merge_list->next == NULL)
{
x1 = 0;
y1 = 0;
x2 = gimp_image_get_width (image);
y2 = gimp_image_get_height (image);
}
break;
}
count ++;
reverse_list = g_slist_prepend (reverse_list, layer);
merge_list = g_slist_next (merge_list);
}
if ((x2 - x1) == 0 || (y2 - y1) == 0)
return NULL;
/* Start a merge undo group. */
name = g_strdup (gimp_object_get_name (layer));
if (merge_type == GIMP_FLATTEN_IMAGE ||
(gimp_drawable_is_indexed (GIMP_DRAWABLE (layer)) &&
! gimp_drawable_has_alpha (GIMP_DRAWABLE (layer))))
{
GeglColor *color;
GimpRGB bg;
merge_layer = gimp_layer_new (image, (x2 - x1), (y2 - y1),
gimp_image_get_layer_format (image, FALSE),
gimp_object_get_name (layer),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (! merge_layer)
{
g_warning ("%s: could not allocate merge layer.", G_STRFUNC);
return NULL;
}
gimp_item_set_offset (GIMP_ITEM (merge_layer), x1, y1);
/* get the background for compositing */
gimp_context_get_background (context, &bg);
color = gimp_gegl_color_new (&bg);
gegl_buffer_set_color (gimp_drawable_get_buffer (GIMP_DRAWABLE (merge_layer)),
GEGL_RECTANGLE(0,0,x2-x1,y2-y1), color);
g_object_unref (color);
position = 0;
}
else
{
/* The final merged layer inherits the name of the bottom most layer
* and the resulting layer has an alpha channel whether or not the
* original did. Opacity is set to 100% and the MODE is set to normal.
*/
merge_layer =
gimp_layer_new (image, (x2 - x1), (y2 - y1),
gimp_drawable_get_format_with_alpha (GIMP_DRAWABLE (layer)),
"merged layer",
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (!merge_layer)
{
g_warning ("%s: could not allocate merge layer", G_STRFUNC);
return NULL;
}
gimp_item_set_offset (GIMP_ITEM (merge_layer), x1, y1);
/* clear the layer */
gegl_buffer_clear (gimp_drawable_get_buffer (GIMP_DRAWABLE (merge_layer)),
NULL);
/* Find the index in the layer list of the bottom layer--we need this
* in order to add the final, merged layer to the layer list correctly
*/
layer = reverse_list->data;
position =
gimp_container_get_n_children (container) -
gimp_container_get_child_index (container, GIMP_OBJECT (layer));
}
bottom_layer = layer;
/* Copy the tattoo and parasites of the bottom layer to the new layer */
gimp_item_set_tattoo (GIMP_ITEM (merge_layer),
gimp_item_get_tattoo (GIMP_ITEM (bottom_layer)));
parasites = gimp_item_get_parasites (GIMP_ITEM (bottom_layer));
parasites = gimp_parasite_list_copy (parasites);
gimp_item_set_parasites (GIMP_ITEM (merge_layer), parasites);
g_object_unref (parasites);
for (layers = reverse_list; layers; layers = g_slist_next (layers))
{
GeglBuffer *merge_buffer;
GeglBuffer *layer_buffer;
GimpApplicator *applicator;
GimpLayerModeEffects mode;
layer = layers->data;
gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);
/* DISSOLVE_MODE is special since it is the only mode that does not
* work on the projection with the lower layer, but only locally on
* the layers alpha channel.
*/
mode = gimp_layer_get_mode (layer);
if (layer == bottom_layer && mode != GIMP_DISSOLVE_MODE)
mode = GIMP_NORMAL_MODE;
merge_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (merge_layer));
layer_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer));
applicator =
gimp_applicator_new (NULL,
gimp_drawable_get_linear (GIMP_DRAWABLE (layer)),
FALSE, FALSE);
if (gimp_layer_get_mask (layer) &&
gimp_layer_get_apply_mask (layer))
{
GeglBuffer *mask_buffer;
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer->mask));
gimp_applicator_set_mask_buffer (applicator, mask_buffer);
gimp_applicator_set_mask_offset (applicator,
- (x1 - off_x),
- (y1 - off_y));
}
gimp_applicator_set_src_buffer (applicator, merge_buffer);
gimp_applicator_set_dest_buffer (applicator, merge_buffer);
gimp_applicator_set_apply_buffer (applicator, layer_buffer);
gimp_applicator_set_apply_offset (applicator,
- (x1 - off_x),
- (y1 - off_y));
gimp_applicator_set_mode (applicator,
gimp_layer_get_opacity (layer),
mode);
gimp_applicator_blit (applicator,
GEGL_RECTANGLE (0, 0,
gegl_buffer_get_width (merge_buffer),
gegl_buffer_get_height (merge_buffer)));
g_object_unref (applicator);
gimp_image_remove_layer (image, layer, TRUE, NULL);
}
g_slist_free (reverse_list);
gimp_object_take_name (GIMP_OBJECT (merge_layer), name);
gimp_item_set_visible (GIMP_ITEM (merge_layer), TRUE, FALSE);
/* if the type is flatten, remove all the remaining layers */
if (merge_type == GIMP_FLATTEN_IMAGE)
{
list = gimp_image_get_layer_iter (image);
while (list)
{
layer = list->data;
list = g_list_next (list);
gimp_image_remove_layer (image, layer, TRUE, NULL);
}
gimp_image_add_layer (image, merge_layer, parent,
position, TRUE);
}
else
{
/* Add the layer to the image */
gimp_image_add_layer (image, merge_layer, parent,
gimp_container_get_n_children (container) -
position + 1,
TRUE);
}
gimp_drawable_update (GIMP_DRAWABLE (merge_layer),
0, 0,
gimp_item_get_width (GIMP_ITEM (merge_layer)),
gimp_item_get_height (GIMP_ITEM (merge_layer)));
return merge_layer;
}
void ptRun(const gchar* Name,
gint NrParameters,
const GimpParam* Parameter,
gint *nreturn_vals,
GimpParam **return_vals) {
printf("(%s,%d) '%s'\n",__FILE__,__LINE__,__PRETTY_FUNCTION__);
printf("Name : '%s'\n",Name);
printf("NrParameters : %d\n",NrParameters);
if (!strcmp(Name,"photivoSendToGimp")) {
printf("RunMode : %d\n",Parameter[0].data.d_int32);
printf("FileName1 : '%s'\n",Parameter[1].data.d_string);
printf("FileName2 : '%s'\n",Parameter[2].data.d_string);
QFile GimpFile(Parameter[1].data.d_string);
bool result = GimpFile.open(QIODevice::ReadOnly | QIODevice::Text);
assert(result);
QTextStream In(&GimpFile);
QString ImageFileName = In.readLine();
QString ExifFileName = In.readLine();
QString ICCFileName = In.readLine();
// Read image
FILE *InputFile = fopen(ImageFileName.toLocal8Bit().data(),"rb");
if (!InputFile) {
ptLogError(1,ImageFileName.toLocal8Bit().data());
return; // ptError_FileOpen;
}
short Colors;
unsigned short Width;
unsigned short Height;
unsigned short BitsPerColor;
char Buffer[128];
// Extremely naive. Probably just enough for testcases.
char *s = fgets(Buffer,127,InputFile);
assert ( s );
int n = sscanf(Buffer,"P%hd",&Colors);
assert ( 1 == n );
assert(Colors == 6 );
do {
s = fgets(Buffer,127,InputFile);
assert ( s );
} while (Buffer[0] == '#');
sscanf(Buffer,"%hd %hd",&Width,&Height);
s = fgets(Buffer,127,InputFile);
assert ( s );
sscanf(Buffer,"%hd",&BitsPerColor);
assert(BitsPerColor == 0xffff);
Colors = 3;
unsigned short (* ImageForGimp)[3] =
(unsigned short (*)[3]) CALLOC2(Width*Height,sizeof(*ImageForGimp));
ptMemoryError(ImageForGimp,__FILE__,__LINE__);
unsigned short* PpmRow = (unsigned short *) CALLOC2(Width*Height,sizeof(*PpmRow));
ptMemoryError(PpmRow,__FILE__,__LINE__);
for (unsigned short Row=0; Row<Height; Row++) {
size_t RV = fread(PpmRow,Colors*2,Width,InputFile);
if (RV != (size_t) Width) {
printf("ReadPpm error. Expected %d bytes. Got %d\n",Width,(int)RV);
exit(EXIT_FAILURE);
}
if (htons(0x55aa) != 0x55aa) {
swab((char *)PpmRow,(char *)PpmRow,Width*Colors*2);
}
for (unsigned short Col=0; Col<Width; Col++) {
for (short c=0;c<3;c++) {
ImageForGimp[Row*Width+Col][c] = PpmRow[Col*Colors+c];
}
}
}
FREE2(PpmRow);
FCLOSE(InputFile);
QFile ExifFile(ExifFileName);
result = ExifFile.open(QIODevice::ReadOnly);
assert(result);
qint64 FileSize = ExifFile.size();
QDataStream ExifIn(&ExifFile);
char* ExifBuffer = (char *) MALLOC2(FileSize);
ptMemoryError(ExifBuffer,__FILE__,__LINE__);
unsigned ExifBufferLength = ExifIn.readRawData(ExifBuffer,FileSize);
ExifFile.close();
QFile ICCFile(ICCFileName);
result = ICCFile.open(QIODevice::ReadOnly);
assert(result);
qint64 FileSize2 = ICCFile.size();
QDataStream ICCIn(&ICCFile);
char* ICCBuffer = (char *) MALLOC2(FileSize2);
ptMemoryError(ICCBuffer,__FILE__,__LINE__);
unsigned ICCBufferLength = ICCIn.readRawData(ICCBuffer,FileSize2);
ICCFile.close();
// And now copy to gimp.
gint32 GimpImage = gimp_image_new(Width,
Height,
GIMP_RGB);
assert (GimpImage != -1);
gint32 GimpLayer = gimp_layer_new(GimpImage,
"BG",
Width,
Height,
GIMP_RGB_IMAGE,
100.0,
GIMP_NORMAL_MODE);
#if GIMP_MINOR_VERSION<=6
gimp_image_add_layer(GimpImage,GimpLayer,0);
#else
gimp_image_insert_layer(GimpImage,GimpLayer,0,0);
#endif
GimpDrawable* Drawable = gimp_drawable_get(GimpLayer);
GimpPixelRgn PixelRegion;
gimp_pixel_rgn_init(&PixelRegion,
Drawable,
0,
0,
Drawable->width,
Drawable->height,
true,
false);
unsigned short TileHeight = gimp_tile_height();
for (unsigned short Row=0; Row<Height; Row+=TileHeight) {
unsigned short NrRows = MIN(Height-Row, (int)TileHeight);
guint8* Buffer = g_new(guint8,TileHeight*Width*3);
for (unsigned short i=0; i<NrRows; i++) {
for (unsigned short j=0; j<Width; j++) {
for (short c=0;c<3;c++) {
Buffer[3*(i*Width+j)+c] =
ImageForGimp[(Row+i)*Width+j][c]>>8;
}
}
}
gimp_pixel_rgn_set_rect(&PixelRegion,
Buffer,
0,
Row,
Width,
NrRows);
g_free(Buffer);
}
gimp_drawable_flush(Drawable);
gimp_drawable_detach(Drawable);
FREE2(ImageForGimp);
GimpParasite* GimpExifData = gimp_parasite_new("exif-data",
GIMP_PARASITE_PERSISTENT,
ExifBufferLength,
ExifBuffer);
gimp_image_parasite_attach(GimpImage,GimpExifData);
gimp_parasite_free(GimpExifData);
FREE2(ExifBuffer);
GimpParasite* GimpICCData = gimp_parasite_new("icc-profile",
GIMP_PARASITE_PERSISTENT,
ICCBufferLength,
ICCBuffer);
gimp_image_parasite_attach(GimpImage,GimpICCData);
gimp_parasite_free(GimpICCData);
FREE2(ICCBuffer);
static GimpParam Values[2];
*nreturn_vals = 2;
*return_vals = Values;
Values[0].type = GIMP_PDB_STATUS;
Values[0].data.d_status = GIMP_PDB_SUCCESS;
Values[1].type = GIMP_PDB_IMAGE;
Values[1].data.d_image = GimpImage;
QFile::remove(ImageFileName);
QFile::remove(ExifFileName);
QFile::remove(ICCFileName);
QFile::remove(Parameter[1].data.d_string);
}
static void
dog (gint32 image_ID,
GimpDrawable *drawable,
gdouble inner,
gdouble outer,
gboolean show_progress)
{
GimpDrawable *drawable1;
GimpDrawable *drawable2;
gint32 drawable_id = drawable->drawable_id;
gint32 layer1;
gint32 layer2;
gint width, height;
gint x1, y1, x2, y2;
guchar maxval = 255;
gimp_drawable_mask_bounds (drawable_id, &x1, &y1, &x2, &y2);
width = (x2 - x1);
height = (y2 - y1);
gimp_drawable_flush (drawable);
layer1 = gimp_layer_copy (drawable_id);
gimp_drawable_set_visible (layer1, FALSE);
gimp_drawable_set_name (layer1, "dog_scratch_layer1");
gimp_image_add_layer (image_ID, layer1, 0);
layer2 = gimp_layer_copy (drawable_id);
gimp_drawable_set_visible (layer2, FALSE);
gimp_drawable_set_name (layer2, "dog_scratch_layer2");
gimp_image_add_layer (image_ID, layer2, 0);
drawable1 = gimp_drawable_get (layer1);
drawable2 = gimp_drawable_get (layer2);
gauss_rle (drawable1, inner, 0, show_progress);
gauss_rle (drawable2, outer, 1, show_progress);
compute_difference (drawable, drawable1, drawable2, &maxval);
gimp_drawable_detach (drawable1);
gimp_drawable_detach (drawable2);
gimp_image_remove_layer (image_ID, layer1);
gimp_image_remove_layer (image_ID, layer2);
gimp_drawable_flush (drawable);
gimp_drawable_merge_shadow (drawable_id, TRUE);
gimp_drawable_update (drawable_id, x1, y1, width, height);
if (dogvals.normalize)
{
normalize (drawable, maxval);
gimp_drawable_flush (drawable);
gimp_drawable_merge_shadow (drawable_id, TRUE);
gimp_drawable_update (drawable_id, x1, y1, width, height);
}
if (dogvals.invert)
gimp_invert (drawable_id);
}
static void
gimp_display_shell_drop_drawable (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = shell->display->image;
GType new_type;
GimpItem *new_item;
gboolean new_image = FALSE;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
{
GimpImage *src_image = gimp_item_get_image (GIMP_ITEM (viewable));
GimpDrawable *drawable = GIMP_DRAWABLE (viewable);
GimpImageBaseType type;
gdouble xres;
gdouble yres;
type = GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable));
image = gimp_create_image (shell->display->gimp,
gimp_item_width (GIMP_ITEM (viewable)),
gimp_item_height (GIMP_ITEM (viewable)),
type, TRUE);
gimp_image_undo_disable (image);
if (type == GIMP_INDEXED)
gimp_image_set_colormap (image,
gimp_image_get_colormap (src_image),
gimp_image_get_colormap_size (src_image),
FALSE);
gimp_image_get_resolution (src_image, &xres, &yres);
gimp_image_set_resolution (image, xres, yres);
gimp_image_set_unit (image, gimp_image_get_unit (src_image));
gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0);
g_object_unref (image);
new_image = TRUE;
}
if (GIMP_IS_LAYER (viewable))
new_type = G_TYPE_FROM_INSTANCE (viewable);
else
new_type = GIMP_TYPE_LAYER;
new_item = gimp_item_convert (GIMP_ITEM (viewable), image, new_type);
if (new_item)
{
GimpLayer *new_layer = GIMP_LAYER (new_item);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
if (! new_image)
gimp_display_shell_dnd_position_item (shell, new_item);
gimp_item_set_visible (new_item, TRUE, FALSE);
gimp_item_set_linked (new_item, FALSE, FALSE);
gimp_image_add_layer (image, new_layer, -1);
gimp_image_undo_group_end (image);
gimp_display_shell_dnd_flush (shell, image);
}
if (new_image)
gimp_image_undo_enable (image);
}
GimpLayer *
gimp_edit_paste (GimpImage *image,
GimpDrawable *drawable,
GimpBuffer *paste,
gboolean paste_into,
gint viewport_x,
gint viewport_y,
gint viewport_width,
gint viewport_height)
{
GimpLayer *layer;
const Babl *format;
gint image_width;
gint image_height;
gint width;
gint height;
gint offset_x;
gint offset_y;
gboolean clamp_to_image = TRUE;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (drawable == NULL ||
gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_BUFFER (paste), NULL);
/* Make a new layer: if drawable == NULL,
* user is pasting into an empty image.
*/
if (drawable)
format = gimp_drawable_get_format_with_alpha (drawable);
else
format = gimp_image_get_layer_format (image, TRUE);
layer = gimp_layer_new_from_buffer (paste, image,
format,
_("Pasted Layer"),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
if (! layer)
return NULL;
image_width = gimp_image_get_width (image);
image_height = gimp_image_get_height (image);
width = gimp_item_get_width (GIMP_ITEM (layer));
height = gimp_item_get_height (GIMP_ITEM (layer));
if (viewport_width == image_width &&
viewport_height == image_height)
{
/* if the whole image is visible, act as if there was no viewport */
viewport_x = 0;
viewport_y = 0;
viewport_width = 0;
viewport_height = 0;
}
if (drawable)
{
/* if pasting to a drawable */
gint off_x, off_y;
gint x1, y1, x2, y2;
gint paste_x, paste_y;
gint paste_width, paste_height;
gboolean have_mask;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
have_mask = gimp_item_mask_bounds (GIMP_ITEM (drawable),
&x1, &y1, &x2, &y2);
if (! have_mask && /* if we have no mask */
viewport_width > 0 && /* and we have a viewport */
viewport_height > 0 &&
(width < (x2 - x1) || /* and the paste is smaller than the target */
height < (y2 - y1)) &&
/* and the viewport intersects with the target */
gimp_rectangle_intersect (viewport_x, viewport_y,
viewport_width, viewport_height,
off_x, off_y,
x2 - x1, y2 - y1,
&paste_x, &paste_y,
&paste_width, &paste_height))
{
/* center on the viewport */
offset_x = paste_x + (paste_width - width) / 2;
offset_y = paste_y + (paste_height- height) / 2;
}
else
{
/* otherwise center on the target */
offset_x = off_x + ((x1 + x2) - width) / 2;
offset_y = off_y + ((y1 + y2) - height) / 2;
/* and keep it that way */
clamp_to_image = FALSE;
}
}
else if (viewport_width > 0 && /* if we have a viewport */
viewport_height > 0 &&
(width < image_width || /* and the paste is */
height < image_height)) /* smaller than the image */
{
/* center on the viewport */
offset_x = viewport_x + (viewport_width - width) / 2;
offset_y = viewport_y + (viewport_height - height) / 2;
}
else
{
/* otherwise center on the image */
offset_x = (image_width - width) / 2;
offset_y = (image_height - height) / 2;
/* and keep it that way */
clamp_to_image = FALSE;
}
if (clamp_to_image)
{
/* Ensure that the pasted layer is always within the image, if it
* fits and aligned at top left if it doesn't. (See bug #142944).
*/
offset_x = MIN (offset_x, image_width - width);
offset_y = MIN (offset_y, image_height - height);
offset_x = MAX (offset_x, 0);
offset_y = MAX (offset_y, 0);
}
gimp_item_set_offset (GIMP_ITEM (layer), offset_x, offset_y);
/* Start a group undo */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
C_("undo-type", "Paste"));
/* If there is a selection mask clear it--
* this might not always be desired, but in general,
* it seems like the correct behavior.
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)) && ! paste_into)
gimp_channel_clear (gimp_image_get_mask (image), NULL, TRUE);
/* if there's a drawable, add a new floating selection */
if (drawable)
floating_sel_attach (layer, drawable);
else
gimp_image_add_layer (image, layer, NULL, 0, TRUE);
/* end the group undo */
gimp_image_undo_group_end (image);
return layer;
}
/* ---------------------------------
* gap_edgeDetectionByBlurDiff
* ---------------------------------
*/
gint32
gap_edgeDetectionByBlurDiff(gint32 activeDrawableId, gdouble blurRadius, gdouble blurResultRadius
, gdouble threshold, gint32 shift, gboolean doLevelsAutostretch
, gboolean invert)
{
gint32 blurLayerId;
gint32 edgeLayerId;
gint32 imageId;
GimpDrawable *edgeDrawable;
GimpDrawable *refDrawable;
GimpDrawable *blurDrawable;
imageId = gimp_drawable_get_image(activeDrawableId);
edgeLayerId = gimp_layer_copy(activeDrawableId);
gimp_image_add_layer (imageId, edgeLayerId, 0 /* stackposition */ );
edgeDrawable = gimp_drawable_get(edgeLayerId);
refDrawable = gimp_drawable_get(activeDrawableId);
if(blurRadius > 0.0)
{
p_call_plug_in_gauss_iir2(imageId, edgeLayerId, blurRadius, blurRadius);
}
blurDrawable = NULL;
// blurLayerId = gimp_layer_copy(edgeLayerId);
// gimp_image_add_layer (imageId, blurLayerId, 0 /* stackposition */ );
// blurDrawable = gimp_drawable_get(blurLayerId);
p_subtract_ref_layer(imageId, edgeDrawable, refDrawable, threshold, shift, invert);
//p_subtract_ref_layer(imageId, edgeDrawable, blurDrawable, threshold, shift, invert);
if (doLevelsAutostretch)
{
gimp_levels_stretch(edgeLayerId);
}
if(blurResultRadius > 0.0)
{
p_call_plug_in_gauss_iir2(imageId, edgeLayerId, blurResultRadius, blurResultRadius);
}
if(refDrawable)
{
gimp_drawable_detach(refDrawable);
}
if(edgeDrawable)
{
gimp_drawable_detach(edgeDrawable);
}
if(blurDrawable)
{
gimp_drawable_detach(blurDrawable);
}
return (edgeLayerId);
} /* end gap_edgeDetectionByBlurDiff */
