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_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_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_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",
"sampler", interpolation_type,
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);
}
/**
* mypaint_gegl_tiled_surface_set_buffer:
* @buffer: (transfer full): The buffer which shall back this surface.
*
*/
void
mypaint_gegl_tiled_surface_set_buffer(MyPaintGeglTiledSurface *self, GeglBuffer *buffer)
{
if (buffer && self->buffer == buffer) {
return;
}
if (self->buffer) {
g_object_unref(self->buffer);
}
if (buffer) {
g_return_if_fail(GEGL_IS_BUFFER(buffer));
g_object_ref(buffer);
self->buffer = buffer;
} else {
// Using GeglBuffer with aligned tiles for zero-copy access
self->buffer = GEGL_BUFFER(g_object_new(GEGL_TYPE_BUFFER,
"x", self->extent_rect.x, "y", self->extent_rect.y,
"width", self->extent_rect.width, "height", self->extent_rect.height,
"format", self->format,
"tile-width", self->parent.tile_size, "tile-height", self->parent.tile_size,
NULL));
}
g_assert(GEGL_IS_BUFFER(self->buffer));
self->parent.threadsafe_tile_requests = buffer_is_native(self);
}
static void
set_buffer (GeglSampler *self, GeglBuffer *buffer)
{
if (self->buffer != buffer)
{
if (GEGL_IS_BUFFER (self->buffer))
{
g_signal_handlers_disconnect_by_func (self->buffer,
G_CALLBACK (buffer_contents_changed),
self);
g_object_remove_weak_pointer ((GObject*) self->buffer, (void**) &self->buffer);
}
if (GEGL_IS_BUFFER (buffer))
{
self->buffer = buffer;
g_object_add_weak_pointer ((GObject*) self->buffer, (void**) &self->buffer);
g_signal_connect (buffer, "changed",
G_CALLBACK (buffer_contents_changed),
self);
}
else
self->buffer = NULL;
buffer_contents_changed (buffer, NULL, self);
}
}
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_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-ratio",
"origin-x", 0.0,
"origin-y", 0.0,
"sampler", interpolation_type,
"x", x,
"y", y,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
GimpUndo *
gimp_image_undo_push_drawable (GimpImage *image,
const gchar *undo_desc,
GimpDrawable *drawable,
GeglBuffer *buffer,
gint x,
gint y)
{
GimpItem *item;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
item = GIMP_ITEM (drawable);
g_return_val_if_fail (gimp_item_is_attached (item), NULL);
return gimp_image_undo_push (image, GIMP_TYPE_DRAWABLE_UNDO,
GIMP_UNDO_DRAWABLE, undo_desc,
GIMP_DIRTY_ITEM | GIMP_DIRTY_DRAWABLE,
"item", item,
"buffer", buffer,
"x", x,
"y", y,
NULL);
}
/**
* gimp_layer_new_from_gegl_buffer:
* @buffer: The buffer to make the new layer from.
* @dest_image: The image the new layer will be added to.
* @format: The #Babl format of the new layer.
* @name: The new layer's name.
* @opacity: The new layer's opacity.
* @mode: The new layer's mode.
*
* Copies %buffer to a layer taking into consideration the
* possibility of transforming the contents to meet the requirements
* of the target image type
*
* Return value: The new layer.
**/
GimpLayer *
gimp_layer_new_from_gegl_buffer (GeglBuffer *buffer,
GimpImage *dest_image,
const Babl *format,
const gchar *name,
gdouble opacity,
GimpLayerModeEffects mode,
GimpColorProfile *buffer_profile)
{
GimpLayer *layer;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (GIMP_IS_IMAGE (dest_image), NULL);
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (buffer_profile == NULL ||
GIMP_IS_COLOR_PROFILE (buffer_profile), NULL);
/* do *not* use the buffer's format because this function gets
* buffers of any format passed, and converts them
*/
layer = gimp_layer_new (dest_image,
gegl_buffer_get_width (buffer),
gegl_buffer_get_height (buffer),
format,
name, opacity, mode);
gimp_layer_new_convert_buffer (layer, buffer, buffer_profile, NULL);
return layer;
}
gboolean
gimp_gegl_mask_is_empty (GeglBuffer *buffer)
{
GeglBufferIterator *iter;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), FALSE);
iter = gegl_buffer_iterator_new (buffer, NULL, 0, babl_format ("Y float"),
GEGL_BUFFER_READ, GEGL_ABYSS_NONE);
while (gegl_buffer_iterator_next (iter))
{
gfloat *data = iter->data[0];
gint i;
for (i = 0; i < iter->length; i++)
{
if (data[i])
{
gegl_buffer_iterator_stop (iter);
return FALSE;
}
}
}
return TRUE;
}
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
gimp_channel_combine_buffer (GimpChannel *mask,
GeglBuffer *add_on_buffer,
GimpChannelOps op,
gint off_x,
gint off_y)
{
GeglBuffer *buffer;
gint x, y, w, h;
g_return_if_fail (GIMP_IS_CHANNEL (mask));
g_return_if_fail (GEGL_IS_BUFFER (add_on_buffer));
buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
if (! gimp_gegl_mask_combine_buffer (buffer, add_on_buffer,
op, off_x, off_y))
return;
gimp_rectangle_intersect (off_x, off_y,
gegl_buffer_get_width (add_on_buffer),
gegl_buffer_get_height (add_on_buffer),
0, 0,
gimp_item_get_width (GIMP_ITEM (mask)),
gimp_item_get_height (GIMP_ITEM (mask)),
&x, &y, &w, &h);
mask->bounds_known = FALSE;
gimp_drawable_update (GIMP_DRAWABLE (mask), x, y, w, h);
}
void
gegl_render_op (GeglBuffer *source_buffer,
GeglBuffer *target_buffer,
const gchar *first_property_name,
...)
{
va_list var_args;
g_return_if_fail (GEGL_IS_BUFFER (source_buffer));
g_return_if_fail (GEGL_IS_BUFFER (target_buffer));
va_start (var_args, first_property_name);
gegl_render_op_valist (source_buffer, target_buffer,
first_property_name, var_args);
va_end (var_args);
}
gboolean
gimp_gegl_mask_is_empty (GeglBuffer *buffer)
{
GeglBufferIterator *iter;
const Babl *format;
gint bpp;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), FALSE);
format = gegl_buffer_get_format (buffer);
bpp = babl_format_get_bytes_per_pixel (format);
iter = gegl_buffer_iterator_new (buffer, NULL, 0, format,
GEGL_ACCESS_READ, GEGL_ABYSS_NONE, 1);
while (gegl_buffer_iterator_next (iter))
{
if (! gegl_memeq_zero (iter->items[0].data, bpp * iter->length))
{
gegl_buffer_iterator_stop (iter);
return FALSE;
}
}
return TRUE;
}
void
gimp_channel_combine_buffer (GimpChannel *mask,
GeglBuffer *add_on_buffer,
GimpChannelOps op,
gint off_x,
gint off_y)
{
GimpChannelCombineData data;
g_return_if_fail (GIMP_IS_CHANNEL (mask));
g_return_if_fail (GEGL_IS_BUFFER (add_on_buffer));
if (gimp_channel_combine_start (mask, op,
GEGL_RECTANGLE (
off_x,
off_y,
gegl_buffer_get_width (add_on_buffer),
gegl_buffer_get_height (add_on_buffer)),
FALSE, FALSE, &data))
{
GeglBuffer *buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
gimp_gegl_mask_combine_buffer (buffer, add_on_buffer, op,
off_x, off_y);
}
gimp_channel_combine_end (mask, &data);
}
void
gimp_applicator_set_mask_buffer (GimpApplicator *applicator,
GeglBuffer *mask_buffer)
{
g_return_if_fail (GIMP_IS_APPLICATOR (applicator));
g_return_if_fail (mask_buffer == NULL || GEGL_IS_BUFFER (mask_buffer));
if (applicator->mask_buffer == mask_buffer)
return;
gegl_node_set (applicator->mask_node,
"buffer", mask_buffer,
NULL);
if (mask_buffer)
{
gegl_node_connect_to (applicator->mask_offset_node, "output",
applicator->mode_node, "aux2");
}
else
{
gegl_node_disconnect (applicator->mode_node, "aux2");
}
applicator->mask_buffer = mask_buffer;
}
GimpTransformResize
gimp_drawable_transform_get_effective_clip (GimpDrawable *drawable,
GeglBuffer *orig_buffer,
GimpTransformResize clip_result)
{
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), clip_result);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)),
clip_result);
g_return_val_if_fail (orig_buffer == NULL || GEGL_IS_BUFFER (orig_buffer),
clip_result);
/* Always clip unfloated buffers since they must keep their size */
if (GIMP_IS_CHANNEL (drawable))
{
if (orig_buffer)
{
if (! babl_format_has_alpha (gegl_buffer_get_format (orig_buffer)))
clip_result = GIMP_TRANSFORM_RESIZE_CLIP;
}
else
{
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
if (gimp_channel_is_empty (gimp_image_get_mask (image)))
clip_result = GIMP_TRANSFORM_RESIZE_CLIP;
}
}
return clip_result;
}
GimpBuffer *
gimp_buffer_new (GeglBuffer *buffer,
const gchar *name,
gint offset_x,
gint offset_y,
gboolean copy_pixels)
{
GimpBuffer *gimp_buffer;
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (name != NULL, NULL);
gimp_buffer = g_object_new (GIMP_TYPE_BUFFER,
"name", name,
NULL);
if (copy_pixels)
gimp_buffer->buffer = gegl_buffer_dup (buffer);
else
gimp_buffer->buffer = g_object_ref (buffer);
gimp_buffer->offset_x = offset_x;
gimp_buffer->offset_y = offset_y;
return gimp_buffer;
}
GeglNode *
gimp_gegl_add_buffer_source (GeglNode *parent,
GeglBuffer *buffer,
gint offset_x,
gint offset_y)
{
GeglNode *buffer_source;
g_return_val_if_fail (GEGL_IS_NODE (parent), NULL);
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
buffer_source = gegl_node_new_child (parent,
"operation", "gegl:buffer-source",
"buffer", buffer,
NULL);
if (offset_x != 0 || offset_y != 0)
{
GeglNode *translate =
gegl_node_new_child (parent,
"operation", "gegl:translate",
"x", (gdouble) offset_x,
"y", (gdouble) offset_y,
NULL);
gegl_node_connect_to (buffer_source, "output",
translate, "input");
buffer_source = translate;
}
return buffer_source;
}
GimpDrawable *
gimp_drawable_transform_paste (GimpDrawable *drawable,
GeglBuffer *buffer,
GimpColorProfile *buffer_profile,
gint offset_x,
gint offset_y,
gboolean new_layer)
{
GimpImage *image;
GimpLayer *layer = NULL;
const gchar *undo_desc = NULL;
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GEGL_IS_BUFFER (buffer), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (buffer_profile), NULL);
image = gimp_item_get_image (GIMP_ITEM (drawable));
if (GIMP_IS_LAYER (drawable))
undo_desc = C_("undo-type", "Transform Layer");
else if (GIMP_IS_CHANNEL (drawable))
undo_desc = C_("undo-type", "Transform Channel");
else
return NULL;
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE, undo_desc);
if (new_layer)
{
layer =
gimp_layer_new_from_gegl_buffer (buffer, image,
gimp_drawable_get_format_with_alpha (drawable),
_("Transformation"),
GIMP_OPACITY_OPAQUE,
gimp_image_get_default_new_layer_mode (image),
buffer_profile);
gimp_item_set_offset (GIMP_ITEM (layer), offset_x, offset_y);
floating_sel_attach (layer, drawable);
drawable = GIMP_DRAWABLE (layer);
}
else
{
gimp_drawable_set_buffer_full (drawable, TRUE, NULL,
buffer,
offset_x, offset_y,
TRUE);
}
gimp_image_undo_group_end (image);
return drawable;
}
gboolean
gegl_buffer_set_abyss (GeglBuffer *buffer,
const GeglRectangle *abyss)
{
g_return_val_if_fail(GEGL_IS_BUFFER(buffer), FALSE);
buffer->abyss = *abyss;
return TRUE;
}
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_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_feather (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
gdouble radius_x,
gdouble radius_y)
{
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));
/* 3.5 is completely magic and picked to visually match the old
* gaussian_blur_region() on a crappy laptop display
*/
gimp_gegl_apply_gaussian_blur (src_buffer,
progress, undo_desc,
dest_buffer,
radius_x / 3.5,
radius_y / 3.5);
}
void
gegl_operation_context_set_object (GeglOperationContext *context,
const gchar *padname,
GObject *data)
{
g_return_if_fail (!data || GEGL_IS_BUFFER (data));
/* Make it simple, just add an extra ref and then take the object */
if (data)
g_object_ref (data);
gegl_operation_context_take_object (context, padname, data);
}
void
gegl_apply_op (GeglBuffer *buffer,
const gchar *first_property_name,
...)
{
va_list var_args;
g_return_if_fail (GEGL_IS_BUFFER (buffer));
va_start (var_args, first_property_name);
gegl_apply_op_valist (buffer, first_property_name, var_args);
va_end (var_args);
}
void
gegl_operation_context_take_object (GeglOperationContext *context,
const gchar *padname,
GObject *data)
{
GValue *storage;
g_return_if_fail (context != NULL);
g_return_if_fail (!data || GEGL_IS_BUFFER (data));
storage = gegl_operation_context_add_value (context, padname);
g_value_take_object (storage, data);
}
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);
}
void
gegl_apply_op_valist (GeglBuffer *buffer,
const gchar *first_property_name,
va_list var_args)
{
GeglBuffer *tempbuf = NULL;
GeglNode *node;
GeglNode *source;
GeglNode *sink;
g_return_if_fail (GEGL_IS_BUFFER (buffer));
g_object_ref (buffer);
source = gegl_node_new_child (NULL, "operation", "gegl:buffer-source",
"buffer", buffer,
NULL);
node = gegl_node_new_child (NULL, "operation", first_property_name, NULL);
if (!GEGL_IS_OPERATION_POINT_FILTER (node->operation))
{
tempbuf = gegl_buffer_new (gegl_buffer_get_extent (buffer), gegl_buffer_get_format (buffer));
sink = gegl_node_new_child (NULL, "operation", "gegl:write-buffer",
"buffer", tempbuf,
NULL);
}
else
{
sink = gegl_node_new_child (NULL, "operation", "gegl:write-buffer",
"buffer", buffer,
NULL);
}
gegl_node_link_many (source, node, sink, NULL);
gegl_node_set_props (node, var_args);
gegl_node_process (sink);
g_object_unref (source);
g_object_unref (node);
g_object_unref (sink);
if (tempbuf)
{
gegl_buffer_copy (tempbuf, NULL, buffer, NULL);
g_object_unref (tempbuf);
}
g_object_unref (buffer);
}
