Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 530 insertions, 0 deletions

diff --git a/plug-ins/common/destripe.c b/plug-ins/common/destripe.c
new file mode 100644
index 0000000..d9994a6
--- /dev/null
+++ b/plug-ins/common/destripe.c
@@ -0,0 +1,530 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Destripe filter
+ *
+ * Copyright 1997 Marc Lehmann, heavily modified from a filter by
+ * Michael Sweet.
+ *
+ * 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 <string.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+
+/*
+ * Constants...
+ */
+
+#define PLUG_IN_PROC    "plug-in-destripe"
+#define PLUG_IN_BINARY  "destripe"
+#define PLUG_IN_ROLE    "gimp-destripe"
+#define PLUG_IN_VERSION "0.2"
+#define SCALE_WIDTH     140
+#define MAX_AVG         100
+
+
+/*
+ * 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      destripe         (gint32        drawable_ID,
+                                   GimpPreview  *preview);
+static void      destripe_preview (gpointer      drawable_ID,
+                                   GimpPreview  *preview);
+
+static gboolean  destripe_dialog  (gint32        drawable_ID);
+
+/*
+ * Globals...
+ */
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+  NULL,  /* init_proc  */
+  NULL,  /* quit_proc  */
+  query, /* query_proc */
+  run    /* run_proc   */
+};
+
+typedef struct
+{
+  gboolean histogram;
+  gint     avg_width;
+  gboolean preview;
+} DestripeValues;
+
+static DestripeValues vals =
+{
+  FALSE, /* histogram     */
+  36,    /* average width */
+  TRUE   /* preview */
+};
+
+
+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"                           },
+    { GIMP_PDB_DRAWABLE, "drawable",  "Input drawable"                        },
+    { GIMP_PDB_INT32,    "avg-width", "Averaging filter width (default = 36)" }
+  };
+
+  gimp_install_procedure (PLUG_IN_PROC,
+                          N_("Remove vertical stripe artifacts from the image"),
+                          "This plug-in tries to remove vertical stripes from "
+                          "an image.",
+                          "Marc Lehmann <pcg@goof.com>",
+                          "Marc Lehmann <pcg@goof.com>",
+                          PLUG_IN_VERSION,
+                          N_("Des_tripe..."),
+                          "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];  /* Return values */
+  GimpPDBStatusType  status;     /* Return status */
+  GimpRunMode        run_mode;   /* Current run mode */
+  gint32             drawable_ID;
+
+  INIT_I18N ();
+  gegl_init (NULL, NULL);
+
+  status   = GIMP_PDB_SUCCESS;
+
+  values[0].type          = GIMP_PDB_STATUS;
+  values[0].data.d_status = status;
+
+  *nreturn_vals = 1;
+  *return_vals  = values;
+
+  run_mode    = param[0].data.d_int32;
+  drawable_ID = param[2].data.d_drawable;
+
+  switch (run_mode)
+    {
+    case GIMP_RUN_INTERACTIVE:
+      /*
+       * Possibly retrieve data...
+       */
+      gimp_get_data (PLUG_IN_PROC, &vals);
+
+      /*
+       * Get information from the dialog...
+       */
+      if (! destripe_dialog (drawable_ID))
+        return;
+      break;
+
+    case GIMP_RUN_NONINTERACTIVE:
+      /*
+       * Make sure all the arguments are present...
+       */
+      if (nparams != 4)
+        status = GIMP_PDB_CALLING_ERROR;
+      else
+        vals.avg_width = param[3].data.d_int32;
+      break;
+
+    case GIMP_RUN_WITH_LAST_VALS :
+      /*
+       * Possibly retrieve data...
+       */
+      gimp_get_data (PLUG_IN_PROC, &vals);
+      break;
+
+    default :
+      status = GIMP_PDB_CALLING_ERROR;
+      break;
+    };
+
+  /*
+   * Destripe the image...
+   */
+
+  if (status == GIMP_PDB_SUCCESS)
+    {
+      if ((gimp_drawable_is_rgb (drawable_ID) ||
+           gimp_drawable_is_gray (drawable_ID)))
+        {
+          /*
+           * Run!
+           */
+          destripe (drawable_ID, NULL);
+
+          /*
+           * If run mode is interactive, flush displays...
+           */
+          if (run_mode != GIMP_RUN_NONINTERACTIVE)
+            gimp_displays_flush ();
+
+          /*
+           * Store data...
+           */
+          if (run_mode == GIMP_RUN_INTERACTIVE)
+            gimp_set_data (PLUG_IN_PROC, &vals, sizeof (vals));
+        }
+      else
+        {
+          status = GIMP_PDB_EXECUTION_ERROR;
+        }
+    };
+
+  /*
+   * Reset the current run status...
+   */
+  values[0].data.d_status = status;
+}
+
+static void
+destripe (gint32       drawable_ID,
+          GimpPreview *preview)
+{
+  GeglBuffer *src_buffer;
+  GeglBuffer *dest_buffer;
+  const Babl *format;
+  guchar     *src_rows;       /* image data */
+  gdouble     progress, progress_inc;
+  gint        x1, x2, y1;
+  gint        width, height;
+  gint        bpp;
+  glong      *hist, *corr;        /* "histogram" data */
+  gint        tile_width = gimp_tile_width ();
+  gint        i, x, y, ox, cols;
+
+  progress     = 0.0;
+  progress_inc = 0.0;
+
+  if (preview)
+    {
+      gimp_preview_get_position (preview, &x1, &y1);
+      gimp_preview_get_size (preview, &width, &height);
+    }
+  else
+    {
+      gimp_progress_init (_("Destriping"));
+
+      if (! gimp_drawable_mask_intersect (drawable_ID,
+                                          &x1, &y1, &width, &height))
+        {
+          return;
+        }
+
+      progress = 0;
+      progress_inc = 0.5 * tile_width / width;
+    }
+
+  x2 = x1 + width;
+
+  if (gimp_drawable_is_rgb (drawable_ID))
+    {
+      if (gimp_drawable_has_alpha (drawable_ID))
+        format = babl_format ("R'G'B'A u8");
+      else
+        format = babl_format ("R'G'B' u8");
+    }
+  else
+    {
+      if (gimp_drawable_has_alpha (drawable_ID))
+        format = babl_format ("Y'A u8");
+      else
+        format = babl_format ("Y' u8");
+    }
+
+  bpp = babl_format_get_bytes_per_pixel (format);
+
+  /*
+   * Setup for filter...
+   */
+
+  src_buffer  = gimp_drawable_get_buffer (drawable_ID);
+  dest_buffer = gimp_drawable_get_shadow_buffer (drawable_ID);
+
+  hist = g_new (long, width * bpp);
+  corr = g_new (long, width * bpp);
+  src_rows = g_new (guchar, tile_width * height * bpp);
+
+  memset (hist, 0, width * bpp * sizeof (long));
+
+  /*
+   * collect "histogram" data.
+   */
+
+  for (ox = x1; ox < x2; ox += tile_width)
+    {
+      guchar *rows = src_rows;
+
+      cols = x2 - ox;
+      if (cols > tile_width)
+        cols = tile_width;
+
+      gegl_buffer_get (src_buffer, GEGL_RECTANGLE (ox, y1, cols, height), 1.0,
+                       format, rows,
+                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+      for (y = 0; y < height; y++)
+        {
+          long   *h       = hist + (ox - x1) * bpp;
+          guchar *row_end = rows + cols * bpp;
+
+          while (rows < row_end)
+            *h++ += *rows++;
+        }
+
+      if (! preview)
+        gimp_progress_update (progress += progress_inc);
+    }
+
+  /*
+   * average out histogram
+   */
+
+  {
+    gint extend = (vals.avg_width / 2) * bpp;
+
+    for (i = 0; i < MIN (3, bpp); i++)
+      {
+        long *h   = hist - extend + i;
+        long *c   = corr - extend + i;
+        long  sum = 0;
+        gint  cnt = 0;
+
+        for (x = -extend; x < width * bpp; x += bpp)
+          {
+            if (x + extend < width * bpp)
+              {
+                sum += h[ extend]; cnt++;
+              }
+
+            if (x - extend >= 0)
+              {
+                sum -= h[-extend]; cnt--;
+              }
+
+            if (x >= 0)
+              {
+                if (*h)
+                  *c = ((sum / cnt - *h) << 10) / *h;
+                else
+                  *c = G_MAXINT;
+              }
+
+            h += bpp;
+            c += bpp;
+          }
+      }
+  }
+
+  /*
+   * remove stripes.
+   */
+
+  for (ox = x1; ox < x2; ox += tile_width)
+    {
+      guchar *rows = src_rows;
+
+      cols = x2 - ox;
+      if (cols > tile_width)
+        cols = tile_width;
+
+      gegl_buffer_get (src_buffer, GEGL_RECTANGLE (ox, y1, cols, height), 1.0,
+                       format, rows,
+                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+      if (! preview)
+        gimp_progress_update (progress += progress_inc);
+
+      for (y = 0; y < height; y++)
+        {
+          long   *c = corr + (ox - x1) * bpp;
+          guchar *row_end = rows + cols * bpp;
+
+          if (vals.histogram)
+            {
+              while (rows < row_end)
+                {
+                  *rows = MIN (255, MAX (0, 128 + (*rows * *c >> 10)));
+                  c++; rows++;
+                }
+            }
+          else
+            {
+              while (rows < row_end)
+                {
+                  *rows = MIN (255, MAX (0, *rows + (*rows * *c >> 10) ));
+                  c++; rows++;
+                }
+            }
+        }
+
+      gegl_buffer_set (dest_buffer, GEGL_RECTANGLE (ox, y1, cols, height), 0,
+                       format, src_rows,
+                       GEGL_AUTO_ROWSTRIDE);
+
+      if (! preview)
+        gimp_progress_update (progress += progress_inc);
+    }
+
+  g_free (src_rows);
+
+  g_object_unref (src_buffer);
+
+  if (preview)
+    {
+      guchar *buffer = g_new (guchar, width * height * bpp);
+
+      gegl_buffer_get (dest_buffer, GEGL_RECTANGLE (x1, y1, width, height), 1.0,
+                       format, buffer,
+                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+      gimp_preview_draw_buffer (GIMP_PREVIEW (preview),
+                                buffer, width * bpp);
+
+      g_free (buffer);
+      g_object_unref (dest_buffer);
+    }
+  else
+    {
+      g_object_unref (dest_buffer);
+
+      gimp_progress_update (1.0);
+
+      gimp_drawable_merge_shadow (drawable_ID, TRUE);
+      gimp_drawable_update (drawable_ID,
+                            x1, y1, width, height);
+    }
+
+  g_free (hist);
+  g_free (corr);
+}
+
+static void
+destripe_preview (gpointer     drawable_ID,
+                  GimpPreview *preview)
+{
+  destripe (GPOINTER_TO_INT (drawable_ID), preview);
+}
+
+
+static gboolean
+destripe_dialog (gint32 drawable_ID)
+{
+  GtkWidget *dialog;
+  GtkWidget *main_vbox;
+  GtkWidget *preview;
+  GtkWidget *table;
+  GtkWidget *button;
+  GtkObject *adj;
+  gboolean   run;
+
+  gimp_ui_init (PLUG_IN_BINARY, TRUE);
+
+  dialog = gimp_dialog_new (_("Destripe"), 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);
+
+  preview = gimp_drawable_preview_new_from_drawable_id (drawable_ID);
+  gtk_box_pack_start (GTK_BOX (main_vbox), preview, TRUE, TRUE, 0);
+  gtk_widget_show (preview);
+
+  g_signal_connect_swapped (preview, "invalidated",
+                            G_CALLBACK (destripe_preview),
+                            GINT_TO_POINTER (drawable_ID));
+
+  table = gtk_table_new (1, 3, FALSE);
+  gtk_table_set_col_spacings (GTK_TABLE (table), 6);
+  gtk_box_pack_start (GTK_BOX (main_vbox), table, FALSE, FALSE, 0);
+  gtk_widget_show (table);
+
+  adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
+                              _("_Width:"), SCALE_WIDTH, 0,
+                              vals.avg_width, 2, MAX_AVG, 1, 10, 0,
+                              TRUE, 0, 0,
+                              NULL, NULL);
+  g_signal_connect (adj, "value-changed",
+                    G_CALLBACK (gimp_int_adjustment_update),
+                    &vals.avg_width);
+  g_signal_connect_swapped (adj, "value-changed",
+                            G_CALLBACK (gimp_preview_invalidate),
+                            preview);
+
+  button = gtk_check_button_new_with_mnemonic (_("Create _histogram"));
+  gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), vals.histogram);
+  gtk_widget_show (button);
+
+  g_signal_connect (button, "toggled",
+                    G_CALLBACK (gimp_toggle_button_update),
+                    &vals.histogram);
+  g_signal_connect_swapped (button, "toggled",
+                            G_CALLBACK (gimp_preview_invalidate),
+                            preview);
+
+  gtk_widget_show (dialog);
+
+  run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
+
+  gtk_widget_destroy (dialog);
+
+  return run;
+}