Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 373 insertions, 0 deletions

diff --git a/plug-ins/common/max-rgb.c b/plug-ins/common/max-rgb.c
new file mode 100644
index 0000000..1261548
--- /dev/null
+++ b/plug-ins/common/max-rgb.c
@@ -0,0 +1,373 @@
+/* max_rgb.c -- This is a plug-in for GIMP
+ * Author: Shuji Narazaki <narazaki@InetQ.or.jp>
+ * Time-stamp: <2000-02-08 16:26:24 yasuhiro>
+ * Version: 0.35
+ *
+ * Copyright (C) 1997 Shuji Narazaki <narazaki@InetQ.or.jp>
+ *
+ * May 2000 - tim copperfield [timecop@japan.co.jp]
+ *
+ * Added a preview mode.  After adding preview mode realised just exactly
+ * how useless this plugin is :)
+ *
+ * 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-max-rgb"
+#define PLUG_IN_BINARY "max-rgb"
+#define PLUG_IN_ROLE   "gimp-max-rgb"
+
+
+static void     query   (void);
+static void     run     (const gchar      *name,
+                         gint              nparams,
+                         const GimpParam  *param,
+                         gint             *nreturn_vals,
+                         GimpParam       **return_vals);
+
+static GimpPDBStatusType main_function  (GimpDrawable *drawable,
+                                         GimpPreview  *preview);
+
+static gint              max_rgb_dialog (GimpDrawable *drawable);
+
+const GimpPlugInInfo PLUG_IN_INFO =
+{
+  NULL,  /* init_proc  */
+  NULL,  /* quit_proc  */
+  query, /* query_proc */
+  run,   /* run_proc   */
+};
+
+enum
+{
+  MIN_CHANNELS = 0,
+  MAX_CHANNELS = 1
+};
+
+typedef struct
+{
+  gint max_p;
+} ValueType;
+
+static ValueType pvals =
+{
+  MAX_CHANNELS
+};
+
+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 (not used)"         },
+    { GIMP_PDB_DRAWABLE, "drawable", "Input drawable"                 },
+    { GIMP_PDB_INT32,    "max-p",    "{ MINIMIZE (0), MAXIMIZE (1) }" }
+  };
+
+  gimp_install_procedure (PLUG_IN_PROC,
+                          N_("Reduce image to pure red, green, and blue"),
+                          "There's no help yet.",
+                          "Shuji Narazaki (narazaki@InetQ.or.jp)",
+                          "Shuji Narazaki",
+                          "May 2000",
+                          N_("Maxim_um RGB..."),
+                          "RGB*",
+                          GIMP_PLUGIN,
+                          G_N_ELEMENTS (args), 0,
+                          args, NULL);
+}
+
+static void
+run (const gchar      *name,
+     gint              nparams,
+     const GimpParam  *param,
+     gint             *nreturn_vals,
+     GimpParam       **return_vals)
+{
+  GimpDrawable      *drawable;
+  static GimpParam   values[1];
+  GimpPDBStatusType  status = GIMP_PDB_EXECUTION_ERROR;
+  GimpRunMode        run_mode;
+
+  run_mode = param[0].data.d_int32;
+  drawable = gimp_drawable_get (param[2].data.d_drawable);
+
+  INIT_I18N ();
+
+  *nreturn_vals = 1;
+  *return_vals  = values;
+
+  values[0].type          = GIMP_PDB_STATUS;
+  values[0].data.d_status = status;
+
+  switch (run_mode)
+    {
+    case GIMP_RUN_INTERACTIVE:
+      gimp_get_data (PLUG_IN_PROC, &pvals);
+      /* Since a channel might be selected, we must check whether RGB or not. */
+      if (!gimp_drawable_is_rgb (drawable->drawable_id))
+        {
+          g_message (_("Can only operate on RGB drawables."));
+          return;
+        }
+      if (! max_rgb_dialog (drawable))
+        return;
+      break;
+    case GIMP_RUN_NONINTERACTIVE:
+      /* You must copy the values of parameters to pvals or dialog variables. */
+      pvals.max_p = param[3].data.d_int32;
+      break;
+    case GIMP_RUN_WITH_LAST_VALS:
+      gimp_get_data (PLUG_IN_PROC, &pvals);
+      break;
+    }
+
+  status = main_function (drawable, NULL);
+
+  if (run_mode != GIMP_RUN_NONINTERACTIVE)
+    gimp_displays_flush ();
+  if (run_mode == GIMP_RUN_INTERACTIVE && status == GIMP_PDB_SUCCESS)
+    gimp_set_data (PLUG_IN_PROC, &pvals, sizeof (ValueType));
+
+  values[0].data.d_status = status;
+}
+
+typedef struct
+{
+  gint     init_value;
+  gint     flag;
+  gboolean has_alpha;
+} MaxRgbParam_t;
+
+static void
+max_rgb_func (const guchar *src,
+              guchar       *dest,
+              gint          bpp,
+              gpointer      data)
+{
+  MaxRgbParam_t *param = (MaxRgbParam_t*) data;
+  gint   ch, max_ch = 0;
+  guchar max, tmp_value;
+
+  max = param->init_value;
+  for (ch = 0; ch < 3; ch++)
+    if (param->flag * max <= param->flag * (tmp_value = (*src++)))
+      {
+        if (max == tmp_value)
+          {
+            max_ch += 1 << ch;
+          }
+        else
+          {
+            max_ch = 1 << ch; /* clear memories of old channels */
+            max = tmp_value;
+          }
+      }
+
+  dest[0] = (max_ch & (1 << 0)) ? max : 0;
+  dest[1] = (max_ch & (1 << 1)) ? max : 0;
+  dest[2] = (max_ch & (1 << 2)) ? max : 0;
+  if (param->has_alpha)
+    dest[3] = *src;
+}
+
+static GimpPDBStatusType
+main_function (GimpDrawable *drawable,
+               GimpPreview  *preview)
+{
+  MaxRgbParam_t param;
+
+  param.init_value = (pvals.max_p > 0) ? 0 : 255;
+  param.flag = (0 < pvals.max_p) ? 1 : -1;
+  param.has_alpha = gimp_drawable_has_alpha (drawable->drawable_id);
+
+  if (preview)
+    {
+      gint    i;
+      guchar *buffer;
+      guchar *src;
+      gint    width, height, bpp;
+
+      src = gimp_zoom_preview_get_source (GIMP_ZOOM_PREVIEW (preview),
+                                          &width, &height, &bpp);
+
+      buffer = g_new (guchar, width * height * bpp);
+
+      for (i = 0; i < width * height; i++)
+        {
+          max_rgb_func (src    + i * bpp,
+                        buffer + i * bpp,
+                        bpp,
+                        &param);
+        }
+
+      gimp_preview_draw_buffer (preview, buffer, width * bpp);
+      g_free (buffer);
+      g_free (src);
+    }
+  else
+    {
+      GimpPixelRgn  srcPR, destPR;
+      gint          x1, y1, x2, y2;
+      gpointer      pr;
+      gint          total_area;
+      gint          area_so_far;
+      gint          count;
+
+      gimp_progress_init (_("Max RGB"));
+
+      gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
+
+      total_area  = (x2 - x1) * (y2 - y1);
+      area_so_far = 0;
+
+      if (total_area <= 0)
+        goto out;
+
+      /* Initialize the pixel regions. */
+      gimp_pixel_rgn_init (&srcPR, drawable, x1, y1, (x2 - x1), (y2 - y1),
+                           FALSE, FALSE);
+      gimp_pixel_rgn_init (&destPR, drawable, x1, y1, (x2 - x1), (y2 - y1),
+                           TRUE, TRUE);
+
+      for (pr = gimp_pixel_rgns_register (2, &srcPR, &destPR), count = 0;
+           pr != NULL;
+           pr = gimp_pixel_rgns_process (pr), count++)
+        {
+          const guchar *src  = srcPR.data;
+          guchar       *dest = destPR.data;
+          gint          row;
+
+          for (row = 0; row < srcPR.h; row++)
+            {
+              const guchar *s      = src;
+              guchar       *d      = dest;
+              gint          pixels = srcPR.w;
+
+              while (pixels--)
+                {
+                  max_rgb_func (s, d, srcPR.bpp, &param);
+
+                  s += srcPR.bpp;
+                  d += destPR.bpp;
+                }
+
+              src  += srcPR.rowstride;
+              dest += destPR.rowstride;
+            }
+
+          area_so_far += srcPR.w * srcPR.h;
+
+          if ((count % 16) == 0)
+            gimp_progress_update ((gdouble) area_so_far / (gdouble) total_area);
+        }
+
+      /*  update the processed region  */
+      gimp_drawable_flush (drawable);
+      gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
+      gimp_drawable_update (drawable->drawable_id, x1, y1, (x2 - x1), (y2 - y1));
+
+    out:
+      gimp_drawable_detach (drawable);
+    }
+
+  return GIMP_PDB_SUCCESS;
+}
+
+
+/* dialog stuff */
+static gint
+max_rgb_dialog (GimpDrawable *drawable)
+{
+  GtkWidget *dialog;
+  GtkWidget *main_vbox;
+  GtkWidget *preview;
+  GtkWidget *frame;
+  GtkWidget *max;
+  GtkWidget *min;
+  gboolean   run;
+
+  gimp_ui_init (PLUG_IN_BINARY, TRUE);
+
+  dialog = gimp_dialog_new (_("Maximum RGB Value"), 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_zoom_preview_new_from_drawable_id (drawable->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 (main_function),
+                            drawable);
+
+  frame = gimp_int_radio_group_new (FALSE, NULL,
+                                    G_CALLBACK (gimp_radio_button_update),
+                                    &pvals.max_p, pvals.max_p,
+
+                                    _("_Hold the maximal channels"),
+                                    MAX_CHANNELS, &max,
+
+                                    _("Ho_ld the minimal channels"),
+                                    MIN_CHANNELS, &min,
+
+                                    NULL);
+
+  g_signal_connect_swapped (max, "toggled",
+                            G_CALLBACK (gimp_preview_invalidate),
+                            preview);
+  g_signal_connect_swapped (min, "toggled",
+                            G_CALLBACK (gimp_preview_invalidate),
+                            preview);
+
+  gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
+  gtk_widget_show (frame);
+
+  gtk_widget_show (dialog);
+
+  run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
+
+  gtk_widget_destroy (dialog);
+
+  return run;
+}