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-rw-r--r--plug-ins/common/wavelet-decompose.c422
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diff --git a/plug-ins/common/wavelet-decompose.c b/plug-ins/common/wavelet-decompose.c
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+++ b/plug-ins/common/wavelet-decompose.c
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+/*
+ * Wavelet decompose plug-in by Miroslav Talasek, miroslav.talasek@seznam.cz
+ */
+
+/*
+ * 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/>.
+ */
+
+#include "config.h"
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+
+#define PLUG_IN_PROC "plug-in-wavelet-decompose"
+#define PLUG_IN_ROLE "gimp-wavelet-decompose"
+#define PLUG_IN_BINARY "wavelet-decompose"
+
+#define SCALE_WIDTH 120
+#define ENTRY_WIDTH 5
+
+
+typedef struct
+{
+ gint scales;
+ gint create_group;
+ gint create_masks;
+} WaveletDecomposeParams;
+
+
+/* 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 wavelet_blur (gint32 drawable_id,
+ gint radius);
+
+
+static gboolean wavelet_decompose_dialog (void);
+
+
+/* create a few globals, set default values */
+static WaveletDecomposeParams wavelet_params =
+{
+ 5, /* default scales */
+ 1, /* create group */
+ 0 /* do not add mask by default */
+};
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+ NULL, /* init_proc */
+ NULL, /* quit_proc */
+ query, /* query_proc */
+ run, /* run_proc */
+};
+
+
+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, "scales", "Number of scales (1-7)" },
+ { GIMP_PDB_INT32, "create-group", "Create a layer group to store the "
+ "decomposition" },
+ { GIMP_PDB_INT32, "create-masks", "Add a layer mask to each scales "
+ "layers" }
+ };
+
+ gimp_install_procedure (PLUG_IN_PROC,
+ N_("Wavelet decompose"),
+ "Compute and render wavelet scales",
+ "Miroslav Talasek <miroslav.talasek@seznam.cz>",
+ "Miroslav Talasek <miroslav.talasek@seznam.cz>",
+ "19january 2017",
+ N_("_Wavelet-decompose..."),
+ "RGB*, GRAY*",
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (args), 0,
+ args, NULL);
+
+ gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters/Enhance");
+}
+
+static void
+run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[1];
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+ gint32 image_id;
+ gint32 drawable_id;
+ GimpRunMode run_mode;
+
+ run_mode = param[0].data.d_int32;
+
+ INIT_I18N();
+ gegl_init (NULL, NULL);
+
+ *nreturn_vals = 1;
+ *return_vals = values;
+
+ values[0].type = GIMP_PDB_STATUS;
+ values[0].data.d_status = status;
+
+ image_id = param[1].data.d_image;
+ drawable_id = param[2].data.d_drawable;
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ gimp_get_data (PLUG_IN_PROC, &wavelet_params);
+
+ if (! wavelet_decompose_dialog ())
+ return;
+ break;
+
+ case GIMP_RUN_NONINTERACTIVE:
+ if (nparams != 6)
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ else
+ {
+ wavelet_params.scales = param[3].data.d_int32;
+ wavelet_params.create_group = param[4].data.d_int32;
+ wavelet_params.create_masks = param[5].data.d_int32;
+ }
+ break;
+
+ case GIMP_RUN_WITH_LAST_VALS:
+ gimp_get_data (PLUG_IN_PROC, &wavelet_params);
+ break;
+
+ default:
+ break;
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ gint32 *scale_ids;
+ gint32 new_scale_id;
+ gint32 parent_id;
+ GimpLayerMode grain_extract_mode = GIMP_LAYER_MODE_GRAIN_EXTRACT;
+ GimpLayerMode grain_merge_mode = GIMP_LAYER_MODE_GRAIN_MERGE;
+ gint id;
+
+ gimp_progress_init (_("Wavelet-Decompose"));
+
+ gimp_image_undo_group_start (image_id);
+
+ gimp_image_freeze_layers (image_id);
+
+ if (wavelet_params.create_group)
+ {
+ gint32 group_id = gimp_layer_group_new (image_id);
+ gimp_item_set_name (group_id, _("Decomposition"));
+ gimp_item_set_visible (group_id, FALSE);
+ gimp_image_insert_layer (image_id, group_id,
+ gimp_item_get_parent (drawable_id),
+ gimp_image_get_item_position (image_id,
+ drawable_id));
+ parent_id = group_id;
+ }
+ else
+ parent_id = -1;
+
+ scale_ids = g_new (gint32, wavelet_params.scales);
+ new_scale_id = gimp_layer_copy (drawable_id);
+ gimp_image_insert_layer (image_id, new_scale_id, parent_id,
+ gimp_image_get_item_position (image_id,
+ drawable_id));
+
+ /* the exact result of the grain-extract and grain-merge modes depends on
+ * the choice of (gamma-corrected) midpoint intensity value. for the
+ * non-legacy modes, the midpoint value is 0.5, which isn't representable
+ * exactly using integer precision. for the legacy modes, the midpoint
+ * value is 128/255 (i.e., 0x80), which is representable exactly using
+ * (gamma-corrected) integer precision. we therefore use the legacy
+ * modes when the input image precision is integer, and only use the
+ * (preferable) non-legacy modes when the input image precision is
+ * floating point.
+ *
+ * this avoids imperfect reconstruction of the image when using integer
+ * precision. see bug #786844.
+ */
+ switch (gimp_image_get_precision (image_id))
+ {
+ case GIMP_PRECISION_U8_LINEAR:
+ case GIMP_PRECISION_U8_GAMMA:
+ case GIMP_PRECISION_U16_LINEAR:
+ case GIMP_PRECISION_U16_GAMMA:
+ case GIMP_PRECISION_U32_LINEAR:
+ case GIMP_PRECISION_U32_GAMMA:
+ grain_extract_mode = GIMP_LAYER_MODE_GRAIN_EXTRACT_LEGACY;
+ grain_merge_mode = GIMP_LAYER_MODE_GRAIN_MERGE_LEGACY;
+ break;
+
+ case GIMP_PRECISION_HALF_LINEAR:
+ case GIMP_PRECISION_HALF_GAMMA:
+ case GIMP_PRECISION_FLOAT_LINEAR:
+ case GIMP_PRECISION_FLOAT_GAMMA:
+ case GIMP_PRECISION_DOUBLE_LINEAR:
+ case GIMP_PRECISION_DOUBLE_GAMMA:
+ grain_extract_mode = GIMP_LAYER_MODE_GRAIN_EXTRACT;
+ grain_merge_mode = GIMP_LAYER_MODE_GRAIN_MERGE;
+ break;
+ }
+
+ for (id = 0 ; id < wavelet_params.scales; ++id)
+ {
+ gint32 blur_id, tmp_id;
+ gchar scale_name[20];
+
+ gimp_progress_update ((gdouble) id / (gdouble) wavelet_params.scales);
+
+ scale_ids[id] = new_scale_id;
+
+ g_snprintf (scale_name, sizeof (scale_name), _("Scale %d"), id + 1);
+ gimp_item_set_name (new_scale_id, scale_name);
+
+ tmp_id = gimp_layer_copy (new_scale_id);
+ gimp_image_insert_layer (image_id, tmp_id, parent_id,
+ gimp_image_get_item_position (image_id,
+ new_scale_id));
+ wavelet_blur (tmp_id, pow(2.0, id));
+
+ blur_id = gimp_layer_copy (tmp_id);
+ gimp_image_insert_layer (image_id, blur_id, parent_id,
+ gimp_image_get_item_position (image_id,
+ tmp_id));
+
+ gimp_layer_set_mode (tmp_id, grain_extract_mode);
+ new_scale_id = gimp_image_merge_down (image_id, tmp_id,
+ GIMP_EXPAND_AS_NECESSARY);
+ scale_ids[id] = new_scale_id;
+
+ gimp_item_set_visible (new_scale_id, FALSE);
+
+ new_scale_id = blur_id;
+ }
+
+ gimp_item_set_name (new_scale_id, _("Residual"));
+
+ for (id = 0; id < wavelet_params.scales; id++)
+ {
+ gimp_image_reorder_item (image_id, scale_ids[id], parent_id,
+ gimp_image_get_item_position (image_id,
+ new_scale_id));
+ gimp_layer_set_mode (scale_ids[id], grain_merge_mode);
+
+ if (wavelet_params.create_masks)
+ {
+ gint32 mask_id = gimp_layer_create_mask (scale_ids[id],
+ GIMP_ADD_MASK_WHITE);
+ gimp_layer_add_mask (scale_ids[id], mask_id);
+ }
+
+ gimp_item_set_visible (scale_ids[id], TRUE);
+ }
+
+ if (wavelet_params.create_group)
+ gimp_item_set_visible (parent_id, TRUE);
+
+ g_free (scale_ids);
+
+ gimp_image_thaw_layers (image_id);
+
+ gimp_image_undo_group_end (image_id);
+
+ gimp_progress_update (1.0);
+
+ values[0].data.d_status = status;
+ gimp_displays_flush ();
+
+ /* set data for next use of filter */
+ if (run_mode == GIMP_RUN_INTERACTIVE)
+ gimp_set_data (PLUG_IN_PROC,
+ &wavelet_params, sizeof (WaveletDecomposeParams));
+ }
+
+ gegl_exit ();
+}
+
+static void
+wavelet_blur (gint32 drawable_id,
+ gint radius)
+{
+ gint x, y, width, height;
+
+ if (gimp_drawable_mask_intersect (drawable_id, &x, &y, &width, &height))
+ {
+ GeglBuffer *buffer = gimp_drawable_get_buffer (drawable_id);
+ GeglBuffer *shadow = gimp_drawable_get_shadow_buffer (drawable_id);
+
+ gegl_render_op (buffer, shadow,
+ "gegl:wavelet-blur",
+ "radius", (gdouble) radius,
+ NULL);
+
+ gegl_buffer_flush (shadow);
+ gimp_drawable_merge_shadow (drawable_id, FALSE);
+ gimp_drawable_update (drawable_id, x, y, width, height);
+ g_object_unref (buffer);
+ g_object_unref (shadow);
+ }
+}
+
+static gboolean
+wavelet_decompose_dialog (void)
+{
+ GtkWidget *dialog;
+ GtkWidget *main_vbox;
+ GtkWidget *table;
+ GtkWidget *button;
+ GtkObject *adj;
+ gboolean run;
+
+ gimp_ui_init (PLUG_IN_BINARY, TRUE);
+
+ dialog = gimp_dialog_new (_("Wavelet decompose"), 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 (dialog),
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ -1);
+
+ gimp_window_set_transient (GTK_WINDOW (dialog));
+
+ main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
+ gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+ main_vbox, TRUE, TRUE, 0);
+ gtk_widget_show (main_vbox);
+
+ table = gtk_table_new (3, 1, FALSE);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 6);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 6);
+ gtk_box_pack_start (GTK_BOX (main_vbox), table, FALSE, FALSE, 0);
+ gtk_widget_show (table);
+
+ /* scales */
+
+ adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
+ _("Scales:"), SCALE_WIDTH, ENTRY_WIDTH,
+ wavelet_params.scales,
+ 1.0, 7.0, 1.0, 1.0, 0,
+ TRUE, 0, 0,
+ NULL, NULL);
+
+ g_signal_connect (adj, "value-changed",
+ G_CALLBACK (gimp_int_adjustment_update),
+ &wavelet_params.scales);
+
+ /* create group layer */
+
+ button = gtk_check_button_new_with_mnemonic (_("Create a layer group to store the decomposition"));
+ gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+ wavelet_params.create_group);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &wavelet_params.create_group);
+
+ /* create layer masks */
+
+ button = gtk_check_button_new_with_mnemonic (_("Add a layer mask to each scales layers"));
+ gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+ wavelet_params.create_masks);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &wavelet_params.create_masks);
+
+ gtk_widget_show (dialog);
+
+ run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
+
+ gtk_widget_destroy (dialog);
+
+ return run;
+}
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