void
gimp_gegl_apply_scale (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
GimpInterpolationType interpolation_type,
gdouble x,
gdouble y)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:scale",
"origin-x", 0.0,
"origin-y", 0.0,
"filter", gimp_interpolation_to_gegl_filter (interpolation_type),
"hard-edges", TRUE,
"x", x,
"y", y,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_transform (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
GimpInterpolationType interpolation_type,
GimpMatrix3 *transform)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:transform",
"filter", gimp_interpolation_to_gegl_filter (interpolation_type),
"hard-edges", TRUE,
NULL);
gimp_gegl_node_set_matrix (node, transform);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_color_reduction (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
gint bits,
gint dither_type)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:color-reduction",
"red-bits", bits,
"green-bits", bits,
"blue-bits", bits,
"alpha-bits", bits,
"dither-strategy", dither_type,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_opacity (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
GeglBuffer *mask,
gint mask_offset_x,
gint mask_offset_y,
gdouble opacity)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
g_return_if_fail (mask == NULL || GEGL_IS_BUFFER (mask));
node = gimp_gegl_create_apply_opacity_node (mask,
mask_offset_x,
mask_offset_y,
opacity);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_gaussian_blur (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gdouble std_dev_x,
gdouble std_dev_y)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:gaussian-blur",
"std-dev-x", std_dev_x,
"std-dev-y", std_dev_y,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, dest_rect);
g_object_unref (node);
}
void
gimp_gegl_apply_shrink (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gint radius_x,
gint radius_y,
gboolean edge_lock)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gimp:shrink",
"radius-x", radius_x,
"radius-y", radius_y,
"edge-lock", edge_lock,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, dest_rect);
g_object_unref (node);
}
void
gimp_gegl_apply_invert_linear (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:invert-linear",
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_flatten (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GimpRGB *background)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
g_return_if_fail (background != NULL);
node = gimp_gegl_create_flatten_node (background);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_threshold (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
gdouble value)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:threshold",
"value", value,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
static void
gimp_n_point_deformation_tool_apply_deformation (GimpNPointDeformationTool *npd_tool)
{
GimpTool *tool = GIMP_TOOL (npd_tool);
GimpNPointDeformationOptions *npd_options;
GeglBuffer *buffer;
GimpImage *image;
gint width, height, prev;
npd_options = GIMP_N_POINT_DEFORMATION_TOOL_GET_OPTIONS (npd_tool);
image = gimp_display_get_image (tool->display);
buffer = gimp_drawable_get_buffer (tool->drawable);
width = gegl_buffer_get_width (buffer);
height = gegl_buffer_get_height (buffer);
prev = npd_options->rigidity;
npd_options->rigidity = 0;
gimp_n_point_deformation_tool_set_options (npd_tool, npd_options);
npd_options->rigidity = prev;
gimp_drawable_push_undo (tool->drawable, _("N-Point Deformation"), NULL,
0, 0, width, height);
gimp_gegl_apply_operation (NULL, NULL, _("N-Point Deformation"),
npd_tool->npd_node,
gimp_drawable_get_buffer (tool->drawable),
NULL);
gimp_drawable_update (tool->drawable,
0, 0, width, height);
gimp_projection_flush (gimp_image_get_projection (image));
}
static GeglBuffer *
gradient_precalc_shapeburst (GimpImage *image,
GimpDrawable *drawable,
const GeglRectangle *region,
gdouble dist,
GimpProgress *progress)
{
GimpChannel *mask;
GeglBuffer *dist_buffer;
GeglBuffer *temp_buffer;
GeglNode *shapeburst;
gdouble max;
gfloat max_iteration;
gimp_progress_set_text (progress, _("Calculating distance map"));
/* allocate the distance map */
dist_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y float"));
/* allocate the selection mask copy
* XXX: its format should be the same of gimp:shapeburst input buffer
* porting the op to 'float' should be reflected here as well
*/
temp_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y u8"));
mask = gimp_image_get_mask (image);
/* If the image mask is not empty, use it as the shape burst source */
if (! gimp_channel_is_empty (mask))
{
gint x, y, width, height;
gint off_x, off_y;
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height);
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
/* copy the mask to the temp mask */
gegl_buffer_copy (gimp_drawable_get_buffer (GIMP_DRAWABLE (mask)),
GEGL_RECTANGLE (x + off_x, y + off_y, width, height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
}
else
{
/* If the intended drawable has an alpha channel, use that */
if (gimp_drawable_has_alpha (drawable))
{
const Babl *component_format;
component_format = babl_format ("A u8");
/* extract the aplha into the temp mask */
gegl_buffer_set_format (temp_buffer, component_format);
gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (region->x, region->y,
region->width, region->height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
gegl_buffer_set_format (temp_buffer, NULL);
}
else
{
GeglColor *white = gegl_color_new ("white");
/* Otherwise, just fill the shapeburst to white */
gegl_buffer_set_color (temp_buffer, NULL, white);
g_object_unref (white);
}
}
shapeburst = gegl_node_new_child (NULL,
"operation", "gimp:shapeburst",
NULL);
gimp_gegl_progress_connect (shapeburst, progress, NULL);
gimp_gegl_apply_operation (temp_buffer, NULL, NULL,
shapeburst,
dist_buffer, NULL);
gegl_node_get (shapeburst, "max-iterations", &max, NULL);
g_object_unref (shapeburst);
max_iteration = max;
g_object_unref (temp_buffer);
/* normalize the shapeburst with the max iteration */
if (max_iteration > 0)
{
GeglBufferIterator *iter;
iter = gegl_buffer_iterator_new (dist_buffer, NULL, 0, NULL,
GEGL_BUFFER_READWRITE, GEGL_ABYSS_NONE);
while (gegl_buffer_iterator_next (iter))
{
gint count = iter->length;
gfloat *data = iter->data[0];
while (count--)
*data++ /= max_iteration;
}
}
return dist_buffer;
}
void
gimp_drawable_real_apply_buffer (GimpDrawable *drawable,
GeglBuffer *buffer,
const GeglRectangle *buffer_region,
gboolean push_undo,
const gchar *undo_desc,
gdouble opacity,
GimpLayerModeEffects mode,
GeglBuffer *base_buffer,
gint base_x,
gint base_y)
{
GimpItem *item = GIMP_ITEM (drawable);
GimpImage *image = gimp_item_get_image (item);
GimpChannel *mask = gimp_image_get_mask (image);
GeglBuffer *mask_buffer = NULL;
GeglNode *apply;
GimpComponentMask affect;
gint x, y, width, height;
gint offset_x, offset_y;
/* don't apply the mask to itself and don't apply an empty mask */
if (GIMP_DRAWABLE (mask) == drawable || gimp_channel_is_empty (mask))
mask = NULL;
if (! base_buffer)
base_buffer = gimp_drawable_get_buffer (drawable);
/* get the layer offsets */
gimp_item_get_offset (item, &offset_x, &offset_y);
/* make sure the image application coordinates are within drawable bounds */
gimp_rectangle_intersect (base_x, base_y,
buffer_region->width, buffer_region->height,
0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item),
&x, &y, &width, &height);
if (mask)
{
GimpItem *mask_item = GIMP_ITEM (mask);
/* make sure coordinates are in mask bounds ...
* we need to add the layer offset to transform coords
* into the mask coordinate system
*/
gimp_rectangle_intersect (x, y, width, height,
-offset_x, -offset_y,
gimp_item_get_width (mask_item),
gimp_item_get_height (mask_item),
&x, &y, &width, &height);
}
if (push_undo)
{
GimpDrawableUndo *undo;
gimp_drawable_push_undo (drawable, undo_desc,
NULL, x, y, width, height);
undo = GIMP_DRAWABLE_UNDO (gimp_image_undo_get_fadeable (image));
if (undo)
{
undo->paint_mode = mode;
undo->opacity = opacity;
undo->applied_buffer =
gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
gegl_buffer_get_format (buffer));
gegl_buffer_copy (buffer,
GEGL_RECTANGLE (buffer_region->x + (x - base_x),
buffer_region->y + (y - base_y),
width, height),
undo->applied_buffer,
GEGL_RECTANGLE (0, 0, width, height));
}
}
if (mask)
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
affect = gimp_drawable_get_active_mask (drawable);
apply = gimp_gegl_create_apply_buffer_node (buffer,
base_x - buffer_region->x,
base_y - buffer_region->y,
0,
0,
0,
0,
mask_buffer,
-offset_x,
-offset_y,
opacity,
mode,
affect);
gimp_gegl_apply_operation (base_buffer, NULL, NULL,
apply,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (x, y, width, height));
g_object_unref (apply);
}
static GeglBuffer *
gradient_precalc_shapeburst (GimpImage *image,
GimpDrawable *drawable,
const GeglRectangle *region,
gdouble dist,
GimpProgress *progress)
{
GimpChannel *mask;
GeglBuffer *dist_buffer;
GeglBuffer *temp_buffer;
GeglNode *shapeburst;
gimp_progress_set_text (progress, _("Calculating distance map"));
/* allocate the distance map */
dist_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y float"));
/* allocate the selection mask copy
*/
temp_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y float"));
mask = gimp_image_get_mask (image);
/* If the image mask is not empty, use it as the shape burst source */
if (! gimp_channel_is_empty (mask))
{
gint x, y, width, height;
gint off_x, off_y;
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height);
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
/* copy the mask to the temp mask */
gegl_buffer_copy (gimp_drawable_get_buffer (GIMP_DRAWABLE (mask)),
GEGL_RECTANGLE (x + off_x, y + off_y, width, height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
}
else
{
/* If the intended drawable has an alpha channel, use that */
if (gimp_drawable_has_alpha (drawable))
{
const Babl *component_format;
component_format = babl_format ("A float");
/* extract the aplha into the temp mask */
gegl_buffer_set_format (temp_buffer, component_format);
gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (region->x, region->y,
region->width, region->height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
gegl_buffer_set_format (temp_buffer, NULL);
}
else
{
GeglColor *white = gegl_color_new ("white");
/* Otherwise, just fill the shapeburst to white */
gegl_buffer_set_color (temp_buffer, NULL, white);
g_object_unref (white);
}
}
shapeburst = gegl_node_new_child (NULL,
"operation", "gimp:shapeburst",
"normalize", TRUE,
NULL);
gimp_gegl_progress_connect (shapeburst, progress, NULL);
gimp_gegl_apply_operation (temp_buffer, NULL, NULL,
shapeburst,
dist_buffer, NULL);
g_object_unref (shapeburst);
g_object_unref (temp_buffer);
return dist_buffer;
}
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);
}
