void
gimp_image_convert_precision (GimpImage *image,
GimpPrecision precision,
gint layer_dither_type,
gint text_layer_dither_type,
gint mask_dither_type,
GimpProgress *progress)
{
GimpColorProfile *old_profile;
GimpColorProfile *new_profile = NULL;
const Babl *old_format;
const Babl *new_format;
GList *all_drawables;
GList *list;
const gchar *undo_desc = NULL;
GimpProgress *sub_progress = NULL;
gint nth_drawable, n_drawables;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (precision != gimp_image_get_precision (image));
g_return_if_fail (precision == GIMP_PRECISION_U8_GAMMA ||
gimp_image_get_base_type (image) != GIMP_INDEXED);
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
all_drawables = g_list_concat (gimp_image_get_layer_list (image),
gimp_image_get_channel_list (image));
n_drawables = g_list_length (all_drawables) + 1 /* + selection */;
if (progress)
sub_progress = gimp_sub_progress_new (progress);
switch (precision)
{
case GIMP_PRECISION_U8_LINEAR:
undo_desc = C_("undo-type", "Convert Image to 8 bit linear integer");
break;
case GIMP_PRECISION_U8_GAMMA:
undo_desc = C_("undo-type", "Convert Image to 8 bit gamma integer");
break;
case GIMP_PRECISION_U16_LINEAR:
undo_desc = C_("undo-type", "Convert Image to 16 bit linear integer");
break;
case GIMP_PRECISION_U16_GAMMA:
undo_desc = C_("undo-type", "Convert Image to 16 bit gamma integer");
break;
case GIMP_PRECISION_U32_LINEAR:
undo_desc = C_("undo-type", "Convert Image to 32 bit linear integer");
break;
case GIMP_PRECISION_U32_GAMMA:
undo_desc = C_("undo-type", "Convert Image to 32 bit gamma integer");
break;
case GIMP_PRECISION_HALF_LINEAR:
undo_desc = C_("undo-type", "Convert Image to 16 bit linear floating point");
break;
case GIMP_PRECISION_HALF_GAMMA:
undo_desc = C_("undo-type", "Convert Image to 16 bit gamma floating point");
break;
case GIMP_PRECISION_FLOAT_LINEAR:
undo_desc = C_("undo-type", "Convert Image to 32 bit linear floating point");
break;
case GIMP_PRECISION_FLOAT_GAMMA:
undo_desc = C_("undo-type", "Convert Image to 32 bit gamma floating point");
break;
case GIMP_PRECISION_DOUBLE_LINEAR:
undo_desc = C_("undo-type", "Convert Image to 64 bit linear floating point");
break;
case GIMP_PRECISION_DOUBLE_GAMMA:
undo_desc = C_("undo-type", "Convert Image to 64 bit gamma floating point");
break;
}
if (progress)
gimp_progress_start (progress, FALSE, "%s", undo_desc);
g_object_freeze_notify (G_OBJECT (image));
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CONVERT,
undo_desc);
/* Push the image precision to the stack */
gimp_image_undo_push_image_precision (image, NULL);
old_profile = gimp_image_get_color_profile (image);
old_format = gimp_image_get_layer_format (image, FALSE);
/* Set the new precision */
g_object_set (image, "precision", precision, NULL);
new_format = gimp_image_get_layer_format (image, FALSE);
if (old_profile &&
gimp_babl_format_get_linear (old_format) !=
gimp_babl_format_get_linear (new_format))
{
GimpColorProfile *new_profile;
/* when converting between linear and gamma, we create a new
* profile using the original profile's chromacities and
* whitepoint, but a linear/sRGB-gamma TRC.
*/
if (gimp_babl_format_get_linear (new_format))
{
new_profile =
gimp_color_profile_new_linear_from_color_profile (old_profile);
}
else
{
new_profile =
gimp_color_profile_new_srgb_trc_from_color_profile (old_profile);
}
/* if a new profile cannot be be generated, convert to the
* builtin profile, which is better than leaving the user with
* broken colors
*/
if (! new_profile)
{
new_profile = gimp_image_get_builtin_color_profile (image);
g_object_ref (new_profile);
}
}
for (list = all_drawables, nth_drawable = 0;
list;
list = g_list_next (list), nth_drawable++)
{
GimpDrawable *drawable = list->data;
gint dither_type;
if (gimp_item_is_text_layer (GIMP_ITEM (drawable)))
dither_type = text_layer_dither_type;
else
dither_type = layer_dither_type;
if (sub_progress)
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
nth_drawable, n_drawables);
gimp_drawable_convert_type (drawable, image,
gimp_drawable_get_base_type (drawable),
precision,
new_profile,
dither_type,
mask_dither_type,
TRUE, sub_progress);
}
g_list_free (all_drawables);
if (old_profile)
{
gimp_image_set_color_profile (image, new_profile, NULL);
g_object_unref (new_profile);
}
/* convert the selection mask */
{
GimpChannel *mask = gimp_image_get_mask (image);
GeglBuffer *buffer;
if (sub_progress)
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
nth_drawable, n_drawables);
gimp_image_undo_push_mask_precision (image, NULL, mask);
buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
gimp_image_get_width (image),
gimp_image_get_height (image)),
gimp_image_get_mask_format (image));
gegl_buffer_copy (gimp_drawable_get_buffer (GIMP_DRAWABLE (mask)), NULL,
GEGL_ABYSS_NONE,
buffer, NULL);
gimp_drawable_set_buffer (GIMP_DRAWABLE (mask), FALSE, NULL, buffer);
g_object_unref (buffer);
nth_drawable++;
}
if (sub_progress)
gimp_progress_set_value (sub_progress, 1.0);
gimp_image_undo_group_end (image);
gimp_image_precision_changed (image);
g_object_thaw_notify (G_OBJECT (image));
if (sub_progress)
g_object_unref (sub_progress);
if (progress)
gimp_progress_end (progress);
}
static void
gimp_thumb_box_create_thumbnails (GimpThumbBox *box,
gboolean force)
{
Gimp *gimp = box->imagefile->gimp;
GimpProgress *progress = GIMP_PROGRESS (box);
GimpFileDialog *dialog = NULL;
GtkWidget *toplevel;
GSList *list;
gint n_uris;
gint i;
if (gimp->config->thumbnail_size == GIMP_THUMBNAIL_SIZE_NONE)
return;
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (box));
if (GIMP_IS_FILE_DIALOG (toplevel))
dialog = GIMP_FILE_DIALOG (toplevel);
gimp_set_busy (gimp);
if (dialog)
gimp_file_dialog_set_sensitive (dialog, FALSE);
else
gtk_widget_set_sensitive (toplevel, FALSE);
if (box->uris)
{
gtk_widget_hide (box->info);
gtk_widget_show (box->progress);
}
n_uris = g_slist_length (box->uris);
if (n_uris > 1)
{
gchar *str;
gimp_progress_start (GIMP_PROGRESS (box), "", TRUE);
progress = gimp_sub_progress_new (GIMP_PROGRESS (box));
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (progress), 0, n_uris);
for (list = box->uris->next, i = 1;
list;
list = g_slist_next (list), i++)
{
str = g_strdup_printf (_("Thumbnail %d of %d"), i, n_uris);
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (box->progress), str);
g_free (str);
gimp_progress_set_value (progress, 0.0);
while (gtk_events_pending ())
gtk_main_iteration ();
gimp_thumb_box_create_thumbnail (box,
list->data,
gimp->config->thumbnail_size,
force,
progress);
if (dialog && dialog->canceled)
goto canceled;
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (progress), i, n_uris);
}
str = g_strdup_printf (_("Thumbnail %d of %d"), n_uris, n_uris);
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (box->progress), str);
g_free (str);
gimp_progress_set_value (progress, 0.0);
while (gtk_events_pending ())
gtk_main_iteration ();
}
if (box->uris)
{
gimp_thumb_box_create_thumbnail (box,
box->uris->data,
gimp->config->thumbnail_size,
force,
progress);
gimp_progress_set_value (progress, 1.0);
}
canceled:
if (n_uris > 1)
{
g_object_unref (progress);
gimp_progress_end (GIMP_PROGRESS (box));
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (box->progress), "");
}
if (box->uris)
{
gtk_widget_hide (box->progress);
gtk_widget_show (box->info);
}
if (dialog)
gimp_file_dialog_set_sensitive (dialog, TRUE);
else
gtk_widget_set_sensitive (toplevel, TRUE);
gimp_unset_busy (gimp);
}
void
gimp_image_scale (GimpImage *image,
gint new_width,
gint new_height,
GimpInterpolationType interpolation_type,
GimpProgress *progress)
{
GimpProgress *sub_progress;
GList *all_layers;
GList *all_channels;
GList *all_vectors;
GList *list;
gint old_width;
gint old_height;
gint offset_x;
gint offset_y;
gdouble img_scale_w = 1.0;
gdouble img_scale_h = 1.0;
gint progress_steps;
gint progress_current = 0;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (new_width > 0 && new_height > 0);
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
gimp_set_busy (image->gimp);
sub_progress = gimp_sub_progress_new (progress);
all_layers = gimp_image_get_layer_list (image);
all_channels = gimp_image_get_channel_list (image);
all_vectors = gimp_image_get_vectors_list (image);
progress_steps = (g_list_length (all_layers) +
g_list_length (all_channels) +
g_list_length (all_vectors) +
1 /* selection */);
g_object_freeze_notify (G_OBJECT (image));
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_SCALE,
C_("undo-type", "Scale Image"));
old_width = gimp_image_get_width (image);
old_height = gimp_image_get_height (image);
img_scale_w = (gdouble) new_width / (gdouble) old_width;
img_scale_h = (gdouble) new_height / (gdouble) old_height;
offset_x = (old_width - new_width) / 2;
offset_y = (old_height - new_height) / 2;
/* Push the image size to the stack */
gimp_image_undo_push_image_size (image,
NULL,
offset_x,
offset_y,
new_width,
new_height);
/* Set the new width and height early, so below image item setters
* (esp. guides and sample points) don't choke about moving stuff
* out of the image
*/
g_object_set (image,
"width", new_width,
"height", new_height,
NULL);
/* Scale all channels */
for (list = all_channels; list; list = g_list_next (list))
{
GimpItem *item = list->data;
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
progress_current++, progress_steps);
gimp_item_scale (item,
new_width, new_height, 0, 0,
interpolation_type, sub_progress);
}
/* Scale all vectors */
for (list = all_vectors; list; list = g_list_next (list))
{
GimpItem *item = list->data;
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
progress_current++, progress_steps);
gimp_item_scale (item,
new_width, new_height, 0, 0,
interpolation_type, sub_progress);
}
/* Don't forget the selection mask! */
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
progress_current++, progress_steps);
gimp_item_scale (GIMP_ITEM (gimp_image_get_mask (image)),
new_width, new_height, 0, 0,
interpolation_type, sub_progress);
/* Scale all layers */
for (list = all_layers; list; list = g_list_next (list))
{
GimpItem *item = list->data;
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
progress_current++, progress_steps);
/* group layers are updated automatically */
if (gimp_viewable_get_children (GIMP_VIEWABLE (item)))
{
gimp_group_layer_suspend_resize (GIMP_GROUP_LAYER (item), FALSE);
continue;
}
if (! gimp_item_scale_by_factors (item,
img_scale_w, img_scale_h,
interpolation_type, sub_progress))
{
/* Since 0 < img_scale_w, img_scale_h, failure due to one or more
* vanishing scaled layer dimensions. Implicit delete implemented
* here. Upstream warning implemented in resize_check_layer_scaling(),
* which offers the user the chance to bail out.
*/
gimp_image_remove_layer (image, GIMP_LAYER (item), TRUE, NULL);
}
}
for (list = all_layers; list; list = g_list_next (list))
if (gimp_viewable_get_children (list->data))
gimp_group_layer_resume_resize (list->data, FALSE);
/* Scale all Guides */
for (list = gimp_image_get_guides (image);
list;
list = g_list_next (list))
{
GimpGuide *guide = list->data;
gint position = gimp_guide_get_position (guide);
switch (gimp_guide_get_orientation (guide))
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_move_guide (image, guide,
(position * new_height) / old_height,
TRUE);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_move_guide (image, guide,
(position * new_width) / old_width,
TRUE);
break;
default:
break;
}
}
/* Scale all sample points */
for (list = gimp_image_get_sample_points (image);
list;
list = g_list_next (list))
{
GimpSamplePoint *sample_point = list->data;
gimp_image_move_sample_point (image, sample_point,
sample_point->x * new_width / old_width,
sample_point->y * new_height / old_height,
TRUE);
}
gimp_image_undo_group_end (image);
g_list_free (all_layers);
g_list_free (all_channels);
g_list_free (all_vectors);
g_object_unref (sub_progress);
gimp_image_size_changed_detailed (image,
-offset_x,
-offset_y,
old_width,
old_height);
g_object_thaw_notify (G_OBJECT (image));
gimp_unset_busy (image->gimp);
}
static void
gimp_image_convert_profile_layers (GimpImage *image,
GimpColorProfile *src_profile,
GimpColorProfile *dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc,
GimpProgress *progress)
{
GList *layers;
GList *list;
gint n_drawables = 0;
gint nth_drawable = 0;
layers = gimp_image_get_layer_list (image);
for (list = layers; list; list = g_list_next (list))
{
if (! gimp_viewable_get_children (list->data))
n_drawables++;
}
for (list = layers; list; list = g_list_next (list))
{
GimpDrawable *drawable = list->data;
GimpProgress *sub_progress = NULL;
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
continue;
if (progress)
{
sub_progress = gimp_sub_progress_new (progress);
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress),
nth_drawable, n_drawables);
}
nth_drawable++;
gimp_drawable_push_undo (drawable, NULL, NULL,
0, 0,
gimp_item_get_width (GIMP_ITEM (drawable)),
gimp_item_get_height (GIMP_ITEM (drawable)));
gimp_gegl_convert_color_profile (gimp_drawable_get_buffer (drawable),
NULL,
src_profile,
gimp_drawable_get_buffer (drawable),
NULL,
dest_profile,
intent, bpc,
sub_progress);
gimp_drawable_update (drawable, 0, 0,
gimp_item_get_width (GIMP_ITEM (drawable)),
gimp_item_get_height (GIMP_ITEM (drawable)));
if (sub_progress)
g_object_unref (sub_progress);
}
g_list_free (layers);
}
static void
gimp_warp_tool_animate (GimpWarpTool *wt)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GimpImage *orig_image;
GimpImage *image;
GimpLayer *layer;
GimpLayer *first_layer;
GeglNode *scale_node;
GimpProgress *progress;
GtkWidget *widget;
gint i;
if (! gimp_warp_tool_get_undo_desc (tool, tool->display))
{
gimp_tool_message_literal (tool, tool->display,
_("Please add some warp strokes first."));
return;
}
/* get rid of the image map so we can use wt->graph */
if (wt->image_map)
{
gimp_image_map_abort (wt->image_map);
g_object_unref (wt->image_map);
wt->image_map = NULL;
}
gimp_progress_start (GIMP_PROGRESS (tool), FALSE,
_("Rendering Frame %d"), 1);
orig_image = gimp_item_get_image (GIMP_ITEM (tool->drawable));
image = gimp_create_image (orig_image->gimp,
gimp_item_get_width (GIMP_ITEM (tool->drawable)),
gimp_item_get_height (GIMP_ITEM (tool->drawable)),
gimp_drawable_get_base_type (tool->drawable),
gimp_drawable_get_precision (tool->drawable),
TRUE);
/* the first frame is always the unwarped image */
layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (tool->drawable), image,
GIMP_TYPE_LAYER));
gimp_object_take_name (GIMP_OBJECT (layer),
g_strdup_printf (_("Frame %d"), 1));
gimp_item_set_offset (GIMP_ITEM (layer), 0, 0);
gimp_item_set_visible (GIMP_ITEM (layer), TRUE, FALSE);
gimp_layer_set_mode (layer, GIMP_NORMAL_MODE, FALSE);
gimp_layer_set_opacity (layer, GIMP_OPACITY_OPAQUE, FALSE);
gimp_image_add_layer (image, layer, NULL, 0, FALSE);
first_layer = layer;
scale_node = gegl_node_new_child (NULL,
"operation", "gimp:scalar-multiply",
"n-components", 2,
NULL);
gimp_warp_tool_add_op (wt, scale_node);
progress = gimp_sub_progress_new (GIMP_PROGRESS (tool));
for (i = 1; i < options->n_animation_frames; i++)
{
gimp_progress_set_text (GIMP_PROGRESS (tool),
_("Rendering Frame %d"), i + 1);
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (progress),
i, options->n_animation_frames);
layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (first_layer),
GIMP_TYPE_LAYER));
gimp_object_take_name (GIMP_OBJECT (layer),
g_strdup_printf (_("Frame %d"), i + 1));
gegl_node_set (scale_node,
"factor", (gdouble) i /
(gdouble) (options->n_animation_frames - 1),
NULL);
gimp_gegl_apply_operation (gimp_drawable_get_buffer (GIMP_DRAWABLE (first_layer)),
progress,
_("Frame"),
wt->graph,
gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)),
NULL);
gimp_image_add_layer (image, layer, NULL, 0, FALSE);
}
g_object_unref (progress);
gimp_warp_tool_remove_op (wt, scale_node);
gimp_progress_end (GIMP_PROGRESS (tool));
/* recreate the image map */
gimp_warp_tool_create_image_map (wt, tool->drawable);
gimp_image_map_apply (wt->image_map, NULL);
widget = GTK_WIDGET (gimp_display_get_shell (tool->display));
gimp_create_display (orig_image->gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (image);
}