563 lines
18 KiB
C
563 lines
18 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/*
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* This filter tiles an image to arbitrary width and height
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*/
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#include "config.h"
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#include <string.h>
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#include <libpika/pika.h>
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#include <libpika/pikaui.h>
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#include "libpika/stdplugins-intl.h"
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#define PLUG_IN_PROC "plug-in-tile"
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#define PLUG_IN_BINARY "tile"
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#define PLUG_IN_ROLE "pika-tile"
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typedef struct
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{
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gint new_width;
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gint new_height;
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gint constrain;
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gint new_image;
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} TileVals;
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typedef struct _Tile Tile;
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typedef struct _TileClass TileClass;
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struct _Tile
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{
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PikaPlugIn parent_instance;
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};
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struct _TileClass
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{
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PikaPlugInClass parent_class;
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};
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#define TILE_TYPE (tile_get_type ())
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#define TILE (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TILE_TYPE, Tile))
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GType tile_get_type (void) G_GNUC_CONST;
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static GList * tile_query_procedures (PikaPlugIn *plug_in);
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static PikaProcedure * tile_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * tile_run (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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const PikaValueArray *args,
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gpointer run_data);
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static void tile (PikaImage *image,
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PikaDrawable *drawable,
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PikaImage **new_image,
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PikaLayer **new_layer);
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static void tile_gegl (GeglBuffer *src,
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gint src_width,
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gint src_height,
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GeglBuffer *dst,
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gint dst_width,
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gint dst_height);
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static gboolean tile_dialog (PikaImage *image,
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PikaDrawable *drawable);
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G_DEFINE_TYPE (Tile, tile, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (TILE_TYPE)
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DEFINE_STD_SET_I18N
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static TileVals tvals =
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{
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1, /* new_width */
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1, /* new_height */
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TRUE, /* constrain */
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TRUE /* new_image */
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};
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static void
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tile_class_init (TileClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
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plug_in_class->query_procedures = tile_query_procedures;
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plug_in_class->create_procedure = tile_create_procedure;
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plug_in_class->set_i18n = STD_SET_I18N;
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}
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static void
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tile_init (Tile *tile)
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{
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}
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static GList *
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tile_query_procedures (PikaPlugIn *plug_in)
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{
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return g_list_append (NULL, g_strdup (PLUG_IN_PROC));
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}
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static PikaProcedure *
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tile_create_procedure (PikaPlugIn *plug_in,
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const gchar *name)
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{
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PikaProcedure *procedure = NULL;
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if (! strcmp (name, PLUG_IN_PROC))
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{
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procedure = pika_image_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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tile_run, NULL, NULL);
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pika_procedure_set_image_types (procedure, "*");
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pika_procedure_set_sensitivity_mask (procedure,
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PIKA_PROCEDURE_SENSITIVE_DRAWABLE);
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pika_procedure_set_menu_label (procedure, _("_Tile..."));
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pika_procedure_add_menu_path (procedure, "<Image>/Filters/Map");
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pika_procedure_set_documentation (procedure,
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_("Create an array of copies "
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"of the image"),
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"This function creates a new image "
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"with a single layer sized to the "
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"specified 'new_width' and "
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"'new_height' parameters. The "
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"specified drawable is tiled into "
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"this layer. The new layer will have "
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"the same type as the specified "
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"drawable and the new image will "
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"have a corresponding base type.",
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name);
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pika_procedure_set_attribution (procedure,
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"Spencer Kimball & Peter Mattis",
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"Spencer Kimball & Peter Mattis",
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"1996-1997");
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PIKA_PROC_ARG_INT (procedure, "new-width",
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"New width",
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"New (tiled) image width",
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1, PIKA_MAX_IMAGE_SIZE, 1,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_INT (procedure, "new-height",
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"New height",
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"New (tiled) image height",
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1, PIKA_MAX_IMAGE_SIZE, 1,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_BOOLEAN (procedure, "new-image",
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"New image",
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"Create a new image",
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_VAL_IMAGE (procedure, "new-image",
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"New image",
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"Output image (NULL if new-image == FALSE)",
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_VAL_LAYER (procedure, "new-layer",
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"New layer",
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"Output layer (NULL if new-image == FALSE)",
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TRUE,
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G_PARAM_READWRITE);
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}
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return procedure;
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}
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static PikaValueArray *
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tile_run (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaValueArray *return_vals;
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PikaLayer *new_layer;
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PikaImage *new_image;
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PikaDrawable *drawable;
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gegl_init (NULL, NULL);
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if (n_drawables != 1)
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{
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GError *error = NULL;
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g_set_error (&error, PIKA_PLUG_IN_ERROR, 0,
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_("Procedure '%s' only works with one drawable."),
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pika_procedure_get_name (procedure));
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_CALLING_ERROR,
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error);
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}
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else
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{
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drawable = drawables[0];
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}
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switch (run_mode)
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{
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case PIKA_RUN_INTERACTIVE:
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pika_get_data (PLUG_IN_PROC, &tvals);
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if (! tile_dialog (image, drawable))
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{
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_CANCEL,
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NULL);
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}
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break;
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case PIKA_RUN_NONINTERACTIVE:
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tvals.new_width = PIKA_VALUES_GET_INT (args, 0);
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tvals.new_height = PIKA_VALUES_GET_INT (args, 1);
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tvals.new_image = PIKA_VALUES_GET_BOOLEAN (args, 2);
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break;
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case PIKA_RUN_WITH_LAST_VALS:
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pika_get_data (PLUG_IN_PROC, &tvals);
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break;
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}
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pika_progress_init (_("Tiling"));
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tile (image,
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drawable,
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&new_image,
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&new_layer);
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if (run_mode == PIKA_RUN_INTERACTIVE)
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pika_set_data (PLUG_IN_PROC, &tvals, sizeof (TileVals));
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if (run_mode != PIKA_RUN_NONINTERACTIVE)
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{
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if (tvals.new_image)
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pika_display_new (new_image);
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else
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pika_displays_flush ();
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}
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return_vals = pika_procedure_new_return_values (procedure,
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PIKA_PDB_SUCCESS,
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NULL);
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PIKA_VALUES_SET_IMAGE (return_vals, 1, new_image);
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PIKA_VALUES_SET_LAYER (return_vals, 2, new_layer);
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return return_vals;
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}
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static void
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tile_gegl (GeglBuffer *src,
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gint src_width,
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gint src_height,
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GeglBuffer *dst,
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gint dst_width,
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gint dst_height)
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{
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GeglNode *node;
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GeglNode *buffer_src_node;
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GeglNode *tile_node;
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GeglNode *crop_src_node;
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GeglNode *crop_dst_node;
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GeglNode *buffer_dst_node;
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GeglProcessor *processor;
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gdouble progress;
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node = gegl_node_new ();
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buffer_src_node = gegl_node_new_child (node,
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"operation", "gegl:buffer-source",
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"buffer", src,
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NULL);
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crop_src_node = gegl_node_new_child (node,
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"operation", "gegl:crop",
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"width", (gdouble) src_width,
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"height", (gdouble) src_height,
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NULL);
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tile_node = gegl_node_new_child (node,
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"operation", "gegl:tile",
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NULL);
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crop_dst_node = gegl_node_new_child (node,
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"operation", "gegl:crop",
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"width", (gdouble) dst_width,
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"height", (gdouble) dst_height,
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NULL);
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buffer_dst_node = gegl_node_new_child (node,
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"operation", "gegl:write-buffer",
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"buffer", dst,
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NULL);
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gegl_node_link_many (buffer_src_node,
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crop_src_node,
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tile_node,
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crop_dst_node,
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buffer_dst_node,
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NULL);
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processor = gegl_node_new_processor (buffer_dst_node, NULL);
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while (gegl_processor_work (processor, &progress))
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if (!((gint) (progress * 100.0) % 10))
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pika_progress_update (progress);
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pika_progress_update (1.0);
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g_object_unref (processor);
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g_object_unref (node);
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}
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static void
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tile (PikaImage *image,
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PikaDrawable *drawable,
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PikaImage **new_image,
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PikaLayer **new_layer)
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{
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PikaDrawable *dst_drawable;
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GeglBuffer *dst_buffer;
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GeglBuffer *src_buffer;
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gint dst_width = tvals.new_width;
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gint dst_height = tvals.new_height;
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gint src_width = pika_drawable_get_width (drawable);
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gint src_height = pika_drawable_get_height (drawable);
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PikaImageBaseType image_type = PIKA_RGB;
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if (tvals.new_image)
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{
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/* create a new image */
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gint32 precision = pika_image_get_precision (image);
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switch (pika_drawable_type (drawable))
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{
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case PIKA_RGB_IMAGE:
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case PIKA_RGBA_IMAGE:
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image_type = PIKA_RGB;
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break;
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case PIKA_GRAY_IMAGE:
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case PIKA_GRAYA_IMAGE:
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image_type = PIKA_GRAY;
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break;
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case PIKA_INDEXED_IMAGE:
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case PIKA_INDEXEDA_IMAGE:
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image_type = PIKA_INDEXED;
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break;
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}
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*new_image = pika_image_new_with_precision (dst_width,
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dst_height,
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image_type,
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precision);
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pika_image_undo_disable (*new_image);
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/* copy the colormap, if necessary */
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if (image_type == PIKA_INDEXED)
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{
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guchar *cmap;
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gint ncols;
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cmap = pika_image_get_colormap (image, NULL, &ncols);
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pika_image_set_colormap (*new_image, cmap, ncols);
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g_free (cmap);
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}
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*new_layer = pika_layer_new (*new_image, _("Background"),
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dst_width, dst_height,
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pika_drawable_type (drawable),
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100,
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pika_image_get_default_new_layer_mode (*new_image));
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if (*new_layer == NULL)
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return;
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pika_image_insert_layer (*new_image, *new_layer, NULL, 0);
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dst_drawable = PIKA_DRAWABLE (*new_layer);
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}
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else
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{
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*new_image = NULL;
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*new_layer = NULL;
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pika_image_undo_group_start (image);
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pika_image_resize (image, dst_width, dst_height, 0, 0);
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if (pika_item_is_layer (PIKA_ITEM (drawable)))
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{
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pika_layer_resize (PIKA_LAYER (drawable), dst_width, dst_height, 0, 0);
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}
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else if (pika_item_is_layer_mask (PIKA_ITEM (drawable)))
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{
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PikaLayer *layer = pika_layer_from_mask (PIKA_LAYER_MASK (drawable));
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pika_layer_resize (layer, dst_width, dst_height, 0, 0);
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}
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dst_drawable = drawable;
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}
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src_buffer = pika_drawable_get_buffer (drawable);
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dst_buffer = pika_drawable_get_buffer (dst_drawable);
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tile_gegl (src_buffer, src_width, src_height,
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dst_buffer, dst_width, dst_height);
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gegl_buffer_flush (dst_buffer);
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pika_drawable_update (dst_drawable, 0, 0, dst_width, dst_height);
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if (tvals.new_image)
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{
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pika_image_undo_enable (*new_image);
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}
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else
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{
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pika_image_undo_group_end (image);
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}
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g_object_unref (src_buffer);
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g_object_unref (dst_buffer);
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}
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static gboolean
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tile_dialog (PikaImage *image,
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PikaDrawable *drawable)
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{
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GtkWidget *dlg;
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GtkWidget *vbox;
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GtkWidget *frame;
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GtkWidget *sizeentry;
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GtkWidget *chainbutton;
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GtkWidget *toggle;
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gint width;
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gint height;
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gdouble xres;
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gdouble yres;
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PikaUnit unit;
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gboolean run;
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pika_ui_init (PLUG_IN_BINARY);
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width = pika_drawable_get_width (drawable);
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height = pika_drawable_get_height (drawable);
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unit = pika_image_get_unit (image);
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pika_image_get_resolution (image, &xres, &yres);
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tvals.new_width = width;
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tvals.new_height = height;
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dlg = pika_dialog_new (_("Tile"), PLUG_IN_ROLE,
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NULL, 0,
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pika_standard_help_func, PLUG_IN_PROC,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_OK"), GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (dlg),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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pika_window_set_transient (GTK_WINDOW (dlg));
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dlg))),
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vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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frame = pika_frame_new (_("Tile to New Size"));
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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sizeentry = pika_coordinates_new (unit, "%a", TRUE, TRUE, 8,
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PIKA_SIZE_ENTRY_UPDATE_SIZE,
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tvals.constrain, TRUE,
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_("_Width:"), width, xres,
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1, PIKA_MAX_IMAGE_SIZE,
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0, width,
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_("_Height:"), height, yres,
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1, PIKA_MAX_IMAGE_SIZE,
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0, height);
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gtk_container_add (GTK_CONTAINER (frame), sizeentry);
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gtk_widget_show (sizeentry);
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chainbutton = GTK_WIDGET (PIKA_COORDINATES_CHAINBUTTON (sizeentry));
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toggle = gtk_check_button_new_with_mnemonic (_("C_reate new image"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), tvals.new_image);
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gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
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gtk_widget_show (toggle);
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g_signal_connect (toggle, "toggled",
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G_CALLBACK (pika_toggle_button_update),
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&tvals.new_image);
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|
|
|
gtk_widget_show (dlg);
|
|
|
|
run = (pika_dialog_run (PIKA_DIALOG (dlg)) == GTK_RESPONSE_OK);
|
|
|
|
if (run)
|
|
{
|
|
tvals.new_width =
|
|
RINT (pika_size_entry_get_refval (PIKA_SIZE_ENTRY (sizeentry), 0));
|
|
tvals.new_height =
|
|
RINT (pika_size_entry_get_refval (PIKA_SIZE_ENTRY (sizeentry), 1));
|
|
|
|
tvals.constrain =
|
|
pika_chain_button_get_active (PIKA_CHAIN_BUTTON (chainbutton));
|
|
}
|
|
|
|
gtk_widget_destroy (dlg);
|
|
|
|
return run;
|
|
}
|
