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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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* 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"
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 gint32 tile (gint32 image_id,
gint32 drawable_id,
gint32 *layer_id);
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", "Interactive, non-interactive" },
{ 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 (N/A if new-image == FALSE)" },
{ GIMP_PDB_LAYER, "new-layer", "Output layer (N/A 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;
gint32 new_layer = -1;
gint width;
gint height;
run_mode = param[0].data.d_int32;
INIT_I18N ();
*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;
width = gimp_drawable_width (param[2].data.d_drawable);
height = gimp_drawable_height (param[2].data.d_drawable);
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 < 0 || tvals.new_height < 0)
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;
}
/* Make sure that the drawable is gray or RGB color */
if (status == GIMP_PDB_SUCCESS)
{
gimp_progress_init (_("Tiling"));
gimp_tile_cache_ntiles (2 * (width + 1) / gimp_tile_width ());
values[1].data.d_image = tile (param[1].data.d_image,
param[2].data.d_drawable,
&new_layer);
values[2].data.d_layer = new_layer;
/* 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;
}
static gint32
tile (gint32 image_id,
gint32 drawable_id,
gint32 *layer_id)
{
GimpPixelRgn src_rgn;
GimpPixelRgn dest_rgn;
GimpDrawable *drawable;
GimpDrawable *new_layer;
GimpImageBaseType image_type;
gint32 new_image_id;
gint old_width, old_height;
gint width, height;
gint i, j, k;
gint progress, max_progress;
gpointer pr;
/* sanity check parameters */
if (tvals.new_width < 1 || tvals.new_height < 1)
{
*layer_id = -1;
return -1;
}
/* initialize */
image_type = GIMP_RGB;
new_image_id = 0;
old_width = gimp_drawable_width (drawable_id);
old_height = gimp_drawable_height (drawable_id);
if (tvals.new_image)
{
/* create a new image */
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 (tvals.new_width, tvals.new_height,
image_type);
gimp_image_undo_disable (new_image_id);
*layer_id = gimp_layer_new (new_image_id, _("Background"),
tvals.new_width, tvals.new_height,
gimp_drawable_type (drawable_id),
100, GIMP_NORMAL_MODE);
if (*layer_id == -1)
return -1;
gimp_image_add_layer (new_image_id, *layer_id, 0);
new_layer = gimp_drawable_get (*layer_id);
/* Get the specified drawable */
drawable = gimp_drawable_get (drawable_id);
}
else
{
gimp_image_undo_group_start (image_id);
gimp_image_resize (image_id,
tvals.new_width, tvals.new_height,
0, 0);
if (gimp_drawable_is_layer (drawable_id))
gimp_layer_resize (drawable_id,
tvals.new_width, tvals.new_height,
0, 0);
/* Get the specified drawable */
drawable = gimp_drawable_get (drawable_id);
new_layer = drawable;
}
/* progress */
progress = 0;
max_progress = tvals.new_width * tvals.new_height;
/* tile... */
for (i = 0; i < tvals.new_height; i += old_height)
{
height = old_height;
if (height + i > tvals.new_height)
height = tvals.new_height - i;
for (j = 0; j < tvals.new_width; j += old_width)
{
width = old_width;
if (width + j > tvals.new_width)
width = tvals.new_width - j;
gimp_pixel_rgn_init (&src_rgn, drawable,
0, 0, width, height, FALSE, FALSE);
gimp_pixel_rgn_init (&dest_rgn, new_layer,
j, i, width, height, TRUE, FALSE);
for (pr = gimp_pixel_rgns_register (2, &src_rgn, &dest_rgn);
pr != NULL;
pr = gimp_pixel_rgns_process (pr))
{
for (k = 0; k < src_rgn.h; k++)
memcpy (dest_rgn.data + k * dest_rgn.rowstride,
src_rgn.data + k * src_rgn.rowstride,
src_rgn.w * src_rgn.bpp);
progress += src_rgn.w * src_rgn.h;
gimp_progress_update ((gdouble) progress /
(gdouble) max_progress);
}
}
}
/* copy the colormap, if necessary */
if (image_type == GIMP_INDEXED && tvals.new_image)
{
gint ncols;
guchar *cmap;
cmap = gimp_image_get_colormap (image_id, &ncols);
gimp_image_set_colormap (new_image_id, cmap, ncols);
g_free (cmap);
}
if (tvals.new_image)
{
gimp_image_undo_enable (new_image_id);
gimp_drawable_flush (new_layer);
gimp_drawable_detach (new_layer);
}
else
{
gimp_image_undo_group_end (image_id);
}
gimp_drawable_update (drawable->drawable_id,
0, 0,
drawable->width, drawable->height);
gimp_drawable_detach (drawable);
return new_image_id;
}
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_BINARY,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_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_vbox_new (FALSE, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), 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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