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gimp/plug-ins/common/tile.c

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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 <http://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
{
gint new_width;
gint new_height;
gint constrain;
gint new_image;
} TileVals;
/* Declare local functions.
*/
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static void tile (gint32 image_id,
gint32 drawable_id,
gint32 *new_image_id,
gint32 *new_layer_id);
static void tile_gegl (GeglBuffer *src,
gint src_width,
gint src_height,
GeglBuffer *dst,
gint dst_width,
gint dst_height);
static gboolean tile_dialog (gint32 image_ID,
gint32 drawable_ID);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static TileVals tvals =
{
1, /* new_width */
1, /* new_height */
TRUE, /* constrain */
TRUE /* new_image */
};
MAIN ()
static void
query (void)
{
static const GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
{ GIMP_PDB_IMAGE, "image", "Input image (unused)" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" },
{ GIMP_PDB_INT32, "new-width", "New (tiled) image width" },
{ GIMP_PDB_INT32, "new-height", "New (tiled) image height" },
{ GIMP_PDB_INT32, "new-image", "Create a new image?" }
};
static const GimpParamDef return_vals[] =
{
{ GIMP_PDB_IMAGE, "new-image", "Output image (-1 if new-image == FALSE)" },
{ GIMP_PDB_LAYER, "new-layer", "Output layer (-1 if new-image == FALSE)" }
};
gimp_install_procedure (PLUG_IN_PROC,
N_("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.",
"Spencer Kimball & Peter Mattis",
"Spencer Kimball & Peter Mattis",
"1996-1997",
N_("_Tile..."),
"RGB*, GRAY*, INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (args),
G_N_ELEMENTS (return_vals),
args, return_vals);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters/Map");
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[3];
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
run_mode = param[0].data.d_int32;
INIT_I18N ();
gegl_init (NULL, NULL);
*nreturn_vals = 3;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
values[1].type = GIMP_PDB_IMAGE;
values[2].type = GIMP_PDB_LAYER;
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data (PLUG_IN_PROC, &tvals);
/* First acquire information with a dialog */
if (! tile_dialog (param[1].data.d_image,
param[2].data.d_drawable))
return;
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams != 6)
{
status = GIMP_PDB_CALLING_ERROR;
}
else
{
tvals.new_width = param[3].data.d_int32;
tvals.new_height = param[4].data.d_int32;
tvals.new_image = param[5].data.d_int32 ? TRUE : FALSE;
if (tvals.new_width < 1 || tvals.new_height < 1)
status = GIMP_PDB_CALLING_ERROR;
}
break;
case GIMP_RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data (PLUG_IN_PROC, &tvals);
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
gint32 new_layer_id;
gint32 new_image_id;
gimp_progress_init (_("Tiling"));
tile (param[1].data.d_image,
param[2].data.d_drawable,
&new_image_id,
&new_layer_id);
values[1].data.d_image = new_image_id;
values[2].data.d_layer = new_layer_id;
/* Store data */
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data (PLUG_IN_PROC, &tvals, sizeof (TileVals));
if (run_mode != GIMP_RUN_NONINTERACTIVE)
{
if (tvals.new_image)
gimp_display_new (values[1].data.d_image);
else
gimp_displays_flush ();
}
}
values[0].data.d_status = status;
gegl_exit ();
}
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 (gint32 image_id,
gint32 drawable_id,
gint32 *new_image_id,
gint32 *new_layer_id)
{
gint32 dst_drawable_id;
GeglBuffer *dst_buffer;
GeglBuffer *src_buffer;
gint dst_width = tvals.new_width;
gint dst_height = tvals.new_height;
gint src_width = gimp_drawable_width (drawable_id);
gint src_height = gimp_drawable_height (drawable_id);
GimpImageBaseType image_type = GIMP_RGB;
/* sanity check parameters */
if (dst_width < 1 || dst_height < 1)
{
*new_image_id = -1;
*new_layer_id = -1;
return;
}
if (tvals.new_image)
{
/* create a new image */
gint32 precision = gimp_image_get_precision (image_id);
switch (gimp_drawable_type (drawable_id))
{
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_id = gimp_image_new_with_precision (dst_width,
dst_height,
image_type,
precision);
gimp_image_undo_disable (*new_image_id);
/* copy the colormap, if necessary */
if (image_type == GIMP_INDEXED)
{
guchar *cmap;
gint ncols;
cmap = gimp_image_get_colormap (image_id, &ncols);
gimp_image_set_colormap (*new_image_id, cmap, ncols);
g_free (cmap);
}
*new_layer_id = gimp_layer_new (*new_image_id, _("Background"),
dst_width, dst_height,
gimp_drawable_type (drawable_id),
100, GIMP_LAYER_MODE_NORMAL_LEGACY);
if (*new_layer_id == -1)
return;
gimp_image_insert_layer (*new_image_id, *new_layer_id, -1, 0);
dst_drawable_id = *new_layer_id;
}
else
{
*new_image_id = -1;
*new_layer_id = -1;
gimp_image_undo_group_start (image_id);
gimp_image_resize (image_id, dst_width, dst_height, 0, 0);
if (gimp_item_is_layer (drawable_id))
gimp_layer_resize (drawable_id, dst_width, dst_height, 0, 0);
else if (gimp_item_is_layer_mask (drawable_id))
{
gint32 layer_id = gimp_layer_from_mask (drawable_id);
gimp_layer_resize (layer_id, dst_width, dst_height, 0, 0);
}
dst_drawable_id = drawable_id;
}
src_buffer = gimp_drawable_get_buffer (drawable_id);
dst_buffer = gimp_drawable_get_buffer (dst_drawable_id);
tile_gegl (src_buffer, src_width, src_height,
dst_buffer, dst_width, dst_height);
gegl_buffer_flush (dst_buffer);
gimp_drawable_update (dst_drawable_id, 0, 0, dst_width, dst_height);
if (tvals.new_image)
{
gimp_image_undo_enable (*new_image_id);
}
else
{
gimp_image_undo_group_end (image_id);
}
g_object_unref (src_buffer);
g_object_unref (dst_buffer);
}
static gboolean
tile_dialog (gint32 image_ID,
gint32 drawable_ID)
{
GtkWidget *dlg;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *sizeentry;
GtkWidget *chainbutton;
GtkWidget *toggle;
gint width;
gint height;
gdouble xres;
gdouble yres;
GimpUnit unit;
gboolean run;
gimp_ui_init (PLUG_IN_BINARY, FALSE);
width = gimp_drawable_width (drawable_ID);
height = gimp_drawable_height (drawable_ID);
unit = gimp_image_get_unit (image_ID);
gimp_image_get_resolution (image_ID, &xres, &yres);
tvals.new_width = width;
tvals.new_height = height;
dlg = gimp_dialog_new (_("Tile"), PLUG_IN_ROLE,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_OK"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dlg),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gimp_window_set_transient (GTK_WINDOW (dlg));
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
frame = gimp_frame_new (_("Tile to New Size"));
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
sizeentry = gimp_coordinates_new (unit, "%a", TRUE, TRUE, 8,
GIMP_SIZE_ENTRY_UPDATE_SIZE,
tvals.constrain, TRUE,
_("_Width:"), width, xres,
1, GIMP_MAX_IMAGE_SIZE,
0, width,
_("_Height:"), height, yres,
1, GIMP_MAX_IMAGE_SIZE,
0, height);
gtk_container_add (GTK_CONTAINER (frame), sizeentry);
gtk_table_set_row_spacing (GTK_TABLE (sizeentry), 1, 6);
gtk_widget_show (sizeentry);
chainbutton = GTK_WIDGET (GIMP_COORDINATES_CHAINBUTTON (sizeentry));
toggle = gtk_check_button_new_with_mnemonic (_("C_reate new image"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), tvals.new_image);
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&tvals.new_image);
gtk_widget_show (dlg);
run = (gimp_dialog_run (GIMP_DIALOG (dlg)) == GTK_RESPONSE_OK);
if (run)
{
tvals.new_width =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (sizeentry), 0));
tvals.new_height =
RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (sizeentry), 1));
tvals.constrain =
gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chainbutton));
}
gtk_widget_destroy (dlg);
return run;
}
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