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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*
* This filter tiles an image to arbitrary width and height
*/
#include "config.h"
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-tile"
#define PLUG_IN_BINARY "tile"
#define PLUG_IN_ROLE "gimp-tile"
typedef struct _Tile Tile;
typedef struct _TileClass TileClass;
struct _Tile
{
GimpPlugIn parent_instance;
};
struct _TileClass
{
GimpPlugInClass parent_class;
};
#define TILE_TYPE (tile_get_type ())
#define TILE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TILE_TYPE, Tile))
GType tile_get_type (void) G_GNUC_CONST;
static GList * tile_query_procedures (GimpPlugIn *plug_in);
static GimpProcedure * tile_create_procedure (GimpPlugIn *plug_in,
const gchar *name);
static GimpValueArray * tile_run (GimpProcedure *procedure,
GimpRunMode run_mode,
GimpImage *image,
GimpDrawable **drawables,
GimpProcedureConfig *config,
gpointer run_data);
static void tile (GimpImage *image,
GimpDrawable *drawable,
gint new_width,
gint new_height,
gboolean create_new_image,
GimpImage **new_image,
GimpLayer **new_layer);
static void tile_gegl (GeglBuffer *src,
gint src_width,
gint src_height,
GeglBuffer *dst,
gint dst_width,
gint dst_height);
static gboolean tile_dialog (GimpProcedure *procedure,
GimpProcedureConfig *config,
GimpImage *image,
GimpDrawable *drawable);
G_DEFINE_TYPE (Tile, tile, GIMP_TYPE_PLUG_IN)
GIMP_MAIN (TILE_TYPE)
DEFINE_STD_SET_I18N
static void
tile_class_init (TileClass *klass)
{
GimpPlugInClass *plug_in_class = GIMP_PLUG_IN_CLASS (klass);
plug_in_class->query_procedures = tile_query_procedures;
plug_in_class->create_procedure = tile_create_procedure;
plug_in_class->set_i18n = STD_SET_I18N;
}
static void
tile_init (Tile *tile)
{
}
static GList *
tile_query_procedures (GimpPlugIn *plug_in)
{
return g_list_append (NULL, g_strdup (PLUG_IN_PROC));
}
static GimpProcedure *
tile_create_procedure (GimpPlugIn *plug_in,
const gchar *name)
{
GimpProcedure *procedure = NULL;
if (! strcmp (name, PLUG_IN_PROC))
{
procedure = gimp_image_procedure_new (plug_in, name,
GIMP_PDB_PROC_TYPE_PLUGIN,
tile_run, NULL, NULL);
gimp_procedure_set_image_types (procedure, "*");
gimp_procedure_set_sensitivity_mask (procedure,
GIMP_PROCEDURE_SENSITIVE_DRAWABLE);
gimp_procedure_set_menu_label (procedure, _("_Tile..."));
gimp_procedure_add_menu_path (procedure, "<Image>/Filters/Map");
gimp_procedure_set_documentation (procedure,
_("Create an array of copies "
"of the image"),
"This function creates a new image "
"with a single layer sized to the "
"specified 'new_width' and "
"'new_height' parameters. The "
"specified drawable is tiled into "
"this layer. The new layer will have "
"the same type as the specified "
"drawable and the new image will "
"have a corresponding base type.",
name);
gimp_procedure_set_attribution (procedure,
"Spencer Kimball & Peter Mattis",
"Spencer Kimball & Peter Mattis",
"1996-1997");
/* XXX: we actually don't care about the default value as we always set
* the width/height of the active image, though it would be nice to reuse
* the previously stored value if we run tile on the same image twice.
* TODO: a flag and/or some special handler function would be interesting
* for such specific cases where a hardcoded default value doesn't make
* sense or when we want stored values to only apply when run on a same
* image.
*/
gimp_procedure_add_int_argument (procedure, "new-width",
_("New _width"),
_("New (tiled) image width"),
1, GIMP_MAX_IMAGE_SIZE, 1,
G_PARAM_READWRITE);
gimp_procedure_add_int_argument (procedure, "new-height",
_("New _height"),
_("New (tiled) image height"),
1, GIMP_MAX_IMAGE_SIZE, 1,
G_PARAM_READWRITE);
gimp_procedure_add_boolean_argument (procedure, "new-image",
_("New _image"),
_("Create a new image"),
TRUE,
G_PARAM_READWRITE);
gimp_procedure_add_image_return_value (procedure, "new-image",
"New image",
"Output image (NULL if new-image == FALSE)",
TRUE,
G_PARAM_READWRITE);
gimp_procedure_add_layer_return_value (procedure, "new-layer",
"New layer",
"Output layer (NULL if new-image == FALSE)",
TRUE,
G_PARAM_READWRITE);
}
return procedure;
}
static GimpValueArray *
tile_run (GimpProcedure *procedure,
GimpRunMode run_mode,
GimpImage *image,
GimpDrawable **drawables,
GimpProcedureConfig *config,
gpointer run_data)
{
GimpValueArray *return_vals;
GimpLayer *new_layer;
GimpImage *new_image;
GimpDrawable *drawable;
gint new_width;
gint new_height;
gboolean create_new_image;
gegl_init (NULL, NULL);
if (gimp_core_object_array_get_length ((GObject **) drawables) != 1)
{
GError *error = NULL;
g_set_error (&error, GIMP_PLUG_IN_ERROR, 0,
_("Procedure '%s' only works with one drawable."),
gimp_procedure_get_name (procedure));
return gimp_procedure_new_return_values (procedure,
GIMP_PDB_CALLING_ERROR,
error);
}
else
{
drawable = drawables[0];
}
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
if (! tile_dialog (procedure, config, image, drawable))
{
return gimp_procedure_new_return_values (procedure,
GIMP_PDB_CANCEL,
NULL);
}
break;
case GIMP_RUN_NONINTERACTIVE:
break;
case GIMP_RUN_WITH_LAST_VALS:
break;
}
g_object_get (config,
"new-width", &new_width,
"new-height", &new_height,
"new-image", &create_new_image,
NULL);
gimp_progress_init (_("Tiling"));
tile (image, drawable, new_width, new_height,
create_new_image, &new_image, &new_layer);
if (run_mode != GIMP_RUN_NONINTERACTIVE)
{
if (create_new_image)
gimp_display_new (new_image);
else
gimp_displays_flush ();
}
return_vals = gimp_procedure_new_return_values (procedure,
GIMP_PDB_SUCCESS,
NULL);
GIMP_VALUES_SET_IMAGE (return_vals, 1, new_image);
GIMP_VALUES_SET_LAYER (return_vals, 2, new_layer);
return return_vals;
}
static void
tile_gegl (GeglBuffer *src,
gint src_width,
gint src_height,
GeglBuffer *dst,
gint dst_width,
gint dst_height)
{
GeglNode *node;
GeglNode *buffer_src_node;
GeglNode *tile_node;
GeglNode *crop_src_node;
GeglNode *crop_dst_node;
GeglNode *buffer_dst_node;
GeglProcessor *processor;
gdouble progress;
node = gegl_node_new ();
buffer_src_node = gegl_node_new_child (node,
"operation", "gegl:buffer-source",
"buffer", src,
NULL);
crop_src_node = gegl_node_new_child (node,
"operation", "gegl:crop",
"width", (gdouble) src_width,
"height", (gdouble) src_height,
NULL);
tile_node = gegl_node_new_child (node,
"operation", "gegl:tile",
NULL);
crop_dst_node = gegl_node_new_child (node,
"operation", "gegl:crop",
"width", (gdouble) dst_width,
"height", (gdouble) dst_height,
NULL);
buffer_dst_node = gegl_node_new_child (node,
"operation", "gegl:write-buffer",
"buffer", dst,
NULL);
gegl_node_link_many (buffer_src_node,
crop_src_node,
tile_node,
crop_dst_node,
buffer_dst_node,
NULL);
processor = gegl_node_new_processor (buffer_dst_node, NULL);
while (gegl_processor_work (processor, &progress))
if (!((gint) (progress * 100.0) % 10))
gimp_progress_update (progress);
gimp_progress_update (1.0);
g_object_unref (processor);
g_object_unref (node);
}
static void
tile (GimpImage *image,
GimpDrawable *drawable,
gint new_width,
gint new_height,
gboolean create_new_image,
GimpImage **new_image,
GimpLayer **new_layer)
{
GimpDrawable *dst_drawable;
GeglBuffer *dst_buffer;
GeglBuffer *src_buffer;
gint src_width = gimp_drawable_get_width (drawable);
gint src_height = gimp_drawable_get_height (drawable);
GimpImageBaseType image_type = GIMP_RGB;
if (create_new_image)
{
/* create a new image */
gint32 precision = gimp_image_get_precision (image);
switch (gimp_drawable_type (drawable))
{
case GIMP_RGB_IMAGE:
case GIMP_RGBA_IMAGE:
image_type = GIMP_RGB;
break;
case GIMP_GRAY_IMAGE:
case GIMP_GRAYA_IMAGE:
image_type = GIMP_GRAY;
break;
case GIMP_INDEXED_IMAGE:
case GIMP_INDEXEDA_IMAGE:
image_type = GIMP_INDEXED;
break;
}
*new_image = gimp_image_new_with_precision (new_width,
new_height,
image_type,
precision);
gimp_image_undo_disable (*new_image);
/* copy the colormap, if necessary */
if (image_type == GIMP_INDEXED)
gimp_image_set_palette (*new_image, gimp_image_get_palette (image));
*new_layer = gimp_layer_new (*new_image, _("Background"),
new_width, new_height,
gimp_drawable_type (drawable),
100,
gimp_image_get_default_new_layer_mode (*new_image));
if (*new_layer == NULL)
return;
gimp_image_insert_layer (*new_image, *new_layer, NULL, 0);
dst_drawable = GIMP_DRAWABLE (*new_layer);
}
else
{
*new_image = NULL;
*new_layer = NULL;
gimp_image_undo_group_start (image);
gimp_image_resize (image, new_width, new_height, 0, 0);
if (gimp_item_is_layer (GIMP_ITEM (drawable)))
{
gimp_layer_resize (GIMP_LAYER (drawable), new_width, new_height, 0, 0);
}
else if (gimp_item_is_layer_mask (GIMP_ITEM (drawable)))
{
GimpLayer *layer = gimp_layer_from_mask (GIMP_LAYER_MASK (drawable));
gimp_layer_resize (layer, new_width, new_height, 0, 0);
}
dst_drawable = drawable;
}
src_buffer = gimp_drawable_get_buffer (drawable);
dst_buffer = gimp_drawable_get_buffer (dst_drawable);
tile_gegl (src_buffer, src_width, src_height,
dst_buffer, new_width, new_height);
gegl_buffer_flush (dst_buffer);
gimp_drawable_update (dst_drawable, 0, 0, new_width, new_height);
if (create_new_image)
{
gimp_image_undo_enable (*new_image);
}
else
{
gimp_image_undo_group_end (image);
}
g_object_unref (src_buffer);
g_object_unref (dst_buffer);
}
static gboolean
tile_dialog (GimpProcedure *procedure,
GimpProcedureConfig *config,
GimpImage *image,
GimpDrawable *drawable)
{
GtkWidget *dlg;
gint width;
gint height;
gboolean run;
gimp_ui_init (PLUG_IN_BINARY);
width = gimp_drawable_get_width (drawable);
height = gimp_drawable_get_height (drawable);
g_object_set (config,
"new-width", width,
"new-height", height,
NULL);
dlg = gimp_procedure_dialog_new (procedure,
GIMP_PROCEDURE_CONFIG (config),
_("Tile"));
gimp_procedure_dialog_get_label (GIMP_PROCEDURE_DIALOG (dlg),
"new-size-label", _("Tile to New Size"),
FALSE, FALSE);
/* TODO: we should have a new GimpProcedureDialog widget which would tie 2
* arguments for dimensions (or coordinates), and possibly more aux args for
* the constrain boolean choice, the unit, etc.
*/
gimp_procedure_dialog_fill_box (GIMP_PROCEDURE_DIALOG (dlg),
"new-size-box",
"new-width", "new-height",
NULL);
gimp_procedure_dialog_fill_frame (GIMP_PROCEDURE_DIALOG (dlg),
"new-size-frame", "new-size-label", FALSE,
"new-size-box");
gimp_procedure_dialog_fill (GIMP_PROCEDURE_DIALOG (dlg), "new-size-frame", "new-image", NULL);
run = gimp_procedure_dialog_run (GIMP_PROCEDURE_DIALOG (dlg));
gtk_widget_destroy (dlg);
return run;
}
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