Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 412 insertions, 0 deletions

diff --git a/plug-ins/common/file-aa.c b/plug-ins/common/file-aa.c
new file mode 100644
index 0000000..abc6f9c
--- /dev/null
+++ b/plug-ins/common/file-aa.c
@@ -0,0 +1,412 @@
+/**
+ * aa.c version 1.0
+ * A plugin that uses libaa (ftp://ftp.ta.jcu.cz/pub/aa) to save images as
+ * ASCII.
+ * NOTE: This plugin *requires* aalib 1.2 or later. Earlier versions will
+ * not work.
+ * Code copied from all over the GIMP source.
+ * Tim Newsome <nuisance@cmu.edu>
+ */
+
+/* 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 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 <aalib.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "libgimp/stdplugins-intl.h"
+
+
+#define SAVE_PROC      "file-aa-save"
+#define PLUG_IN_BINARY "file-aa"
+#define PLUG_IN_ROLE   "gimp-file-aa"
+
+
+/*
+ * Declare some local functions.
+ */
+static void     query       (void);
+static void     run         (const gchar      *name,
+                             gint              nparams,
+                             const GimpParam  *param,
+                             gint             *nreturn_vals,
+                             GimpParam       **return_vals);
+static gboolean save_aa     (gint32            drawable_ID,
+                             gchar            *filename,
+                             gint              output_type);
+static void     gimp2aa     (gint32            drawable_ID,
+                             aa_context       *context);
+
+static gint     aa_dialog   (gint              selected);
+
+
+/*
+ * Some global variables.
+ */
+
+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 save_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",     "Drawable to save"},
+    {GIMP_PDB_STRING,   "filename",     "The name of the file to save the image in"},
+    {GIMP_PDB_STRING,   "raw-filename", "The name entered"},
+    {GIMP_PDB_STRING,   "file-type",    "File type to use"}
+  };
+
+  gimp_install_procedure (SAVE_PROC,
+                          "Saves grayscale image in various text formats",
+                          "This plug-in uses aalib to save grayscale image "
+                          "as ascii art into a variety of text formats",
+                          "Tim Newsome <nuisance@cmu.edu>",
+                          "Tim Newsome <nuisance@cmu.edu>",
+                          "1997",
+                          N_("ASCII art"),
+                          "RGB*, GRAY*, INDEXED*",
+                          GIMP_PLUGIN,
+                          G_N_ELEMENTS (save_args), 0,
+                          save_args, NULL);
+
+  gimp_register_file_handler_mime (SAVE_PROC, "text/plain");
+  gimp_register_save_handler (SAVE_PROC, "txt,ansi,text", "");
+}
+
+/**
+ * Searches aa_formats defined by aalib to find the index of the type
+ * specified by string.
+ * -1 means it wasn't found.
+ */
+static gint
+get_type_from_string (const gchar *string)
+{
+  gint type = 0;
+  aa_format **p = (aa_format **) aa_formats;
+
+  while (*p && strcmp ((*p)->formatname, string))
+    {
+      p++;
+      type++;
+    }
+
+  if (*p == NULL)
+    return -1;
+
+  return type;
+}
+
+static void
+run (const gchar      *name,
+     gint              nparams,
+     const GimpParam  *param,
+     gint             *nreturn_vals,
+     GimpParam       **return_vals)
+{
+  static GimpParam  values[2];
+  GimpRunMode       run_mode;
+  GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+  gint              output_type = 0;
+  gint32            image_ID;
+  gint32            drawable_ID;
+  GimpExportReturn  export = GIMP_EXPORT_CANCEL;
+
+  INIT_I18N ();
+  gegl_init (NULL, NULL);
+
+  *nreturn_vals = 1;
+  *return_vals  = values;
+
+  values[0].type          = GIMP_PDB_STATUS;
+  values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
+
+  run_mode    = param[0].data.d_int32;
+  image_ID    = param[1].data.d_int32;
+  drawable_ID = param[2].data.d_int32;
+
+  switch (run_mode)
+    {
+    case GIMP_RUN_INTERACTIVE:
+    case GIMP_RUN_WITH_LAST_VALS:
+      gimp_ui_init (PLUG_IN_BINARY, FALSE);
+
+      export = gimp_export_image (&image_ID, &drawable_ID, "AA",
+                                  GIMP_EXPORT_CAN_HANDLE_RGB     |
+                                  GIMP_EXPORT_CAN_HANDLE_GRAY    |
+                                  GIMP_EXPORT_CAN_HANDLE_INDEXED |
+                                  GIMP_EXPORT_CAN_HANDLE_ALPHA);
+
+      if (export == GIMP_EXPORT_CANCEL)
+        {
+          values[0].data.d_status = GIMP_PDB_CANCEL;
+          return;
+        }
+      break;
+    default:
+      break;
+    }
+
+  if (! (gimp_drawable_is_rgb (drawable_ID) ||
+         gimp_drawable_is_gray (drawable_ID)))
+    {
+      status = GIMP_PDB_CALLING_ERROR;
+    }
+
+  if (status == GIMP_PDB_SUCCESS)
+    {
+      switch (run_mode)
+        {
+        case GIMP_RUN_INTERACTIVE:
+          gimp_get_data (SAVE_PROC, &output_type);
+          output_type = aa_dialog (output_type);
+          if (output_type < 0)
+            status = GIMP_PDB_CANCEL;
+          break;
+
+        case GIMP_RUN_NONINTERACTIVE:
+          /*  Make sure all the arguments are there!  */
+          if (nparams != 6)
+            {
+              status = GIMP_PDB_CALLING_ERROR;
+            }
+          else
+            {
+              output_type = get_type_from_string (param[5].data.d_string);
+              if (output_type < 0)
+                status = GIMP_PDB_CALLING_ERROR;
+            }
+          break;
+
+        case GIMP_RUN_WITH_LAST_VALS:
+          gimp_get_data (SAVE_PROC, &output_type);
+          break;
+
+        default:
+          break;
+        }
+    }
+
+  if (status == GIMP_PDB_SUCCESS)
+    {
+      if (save_aa (drawable_ID, param[3].data.d_string, output_type))
+        {
+          gimp_set_data (SAVE_PROC, &output_type, sizeof (output_type));
+        }
+      else
+        {
+          status = GIMP_PDB_EXECUTION_ERROR;
+        }
+    }
+
+  if (export == GIMP_EXPORT_EXPORT)
+    gimp_image_delete (image_ID);
+
+  values[0].data.d_status = status;
+}
+
+/**
+ * The actual save function. What it's all about.
+ * The image type has to be GRAY.
+ */
+static gboolean
+save_aa (gint32  drawable_ID,
+         gchar  *filename,
+         gint    output_type)
+{
+  aa_savedata  savedata;
+  aa_context  *context;
+  aa_format    format = *aa_formats[output_type];
+
+  format.width  = gimp_drawable_width (drawable_ID)  / 2;
+  format.height = gimp_drawable_height (drawable_ID) / 2;
+
+  /* Get a libaa context which will save its output to filename. */
+  savedata.name   = filename;
+  savedata.format = &format;
+
+  context = aa_init (&save_d, &aa_defparams, &savedata);
+  if (!context)
+    return FALSE;
+
+  gimp2aa (drawable_ID, context);
+  aa_flush (context);
+  aa_close (context);
+
+  return TRUE;
+}
+
+static void
+gimp2aa (gint32      drawable_ID,
+         aa_context *context)
+{
+  GeglBuffer      *buffer;
+  const Babl      *format;
+  aa_renderparams *renderparams;
+  gint             width;
+  gint             height;
+  gint             x, y;
+  gint             bpp;
+  guchar          *buf;
+  guchar          *p;
+
+  buffer = gimp_drawable_get_buffer (drawable_ID);
+
+  width  = aa_imgwidth  (context);
+  height = aa_imgheight (context);
+
+  switch (gimp_drawable_type (drawable_ID))
+    {
+    case GIMP_GRAY_IMAGE:
+      format = babl_format ("Y' u8");
+      break;
+
+    case GIMP_GRAYA_IMAGE:
+      format = babl_format ("Y'A u8");
+      break;
+
+    case GIMP_RGB_IMAGE:
+    case GIMP_INDEXED_IMAGE:
+      format = babl_format ("R'G'B' u8");
+      break;
+
+    case GIMP_RGBA_IMAGE:
+    case GIMP_INDEXEDA_IMAGE:
+      format = babl_format ("R'G'B'A u8");
+      break;
+
+    default:
+      g_return_if_reached ();
+      break;
+    }
+
+  bpp = babl_format_get_bytes_per_pixel (format);
+
+  buf = g_new (guchar, width * bpp);
+
+  for (y = 0; y < height; y++)
+    {
+      gegl_buffer_get (buffer, GEGL_RECTANGLE (0, y, width, 1), 1.0,
+                       format, buf,
+                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+      switch (bpp)
+        {
+        case 1:  /* GRAY */
+          for (x = 0, p = buf; x < width; x++, p++)
+            aa_putpixel (context, x, y, *p);
+          break;
+
+        case 2:  /* GRAYA, blend over black */
+          for (x = 0, p = buf; x < width; x++, p += 2)
+            aa_putpixel (context, x, y, (p[0] * (p[1] + 1)) >> 8);
+          break;
+
+        case 3:  /* RGB */
+          for (x = 0, p = buf; x < width; x++, p += 3)
+            aa_putpixel (context, x, y,
+                         GIMP_RGB_LUMINANCE (p[0], p[1], p[2]) + 0.5);
+          break;
+
+        case 4:  /* RGBA, blend over black */
+          for (x = 0, p = buf; x < width; x++, p += 4)
+            aa_putpixel (context, x, y,
+                         ((guchar) (GIMP_RGB_LUMINANCE (p[0], p[1], p[2]) + 0.5)
+                          * (p[3] + 1)) >> 8);
+          break;
+
+        default:
+          g_assert_not_reached ();
+          break;
+        }
+    }
+
+  g_free (buf);
+
+  g_object_unref (buffer);
+
+  renderparams = aa_getrenderparams ();
+  renderparams->dither = AA_FLOYD_S;
+
+  aa_render (context, renderparams, 0, 0,
+             aa_scrwidth (context), aa_scrheight (context));
+}
+
+static gint
+aa_dialog (gint selected)
+{
+  GtkWidget *dialog;
+  GtkWidget *hbox;
+  GtkWidget *label;
+  GtkWidget *combo;
+  gint       i;
+
+  /* Create the actual window. */
+  dialog = gimp_export_dialog_new (_("Text"), PLUG_IN_BINARY, SAVE_PROC);
+
+  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+  gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
+  gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)),
+                      hbox, FALSE, FALSE, 0);
+  gtk_widget_show (hbox);
+
+  label = gtk_label_new_with_mnemonic (_("_Format:"));
+  gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+  gtk_widget_show (label);
+
+  combo = g_object_new (GIMP_TYPE_INT_COMBO_BOX, NULL);
+  gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+  gtk_widget_show (combo);
+
+  gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+
+  for (i = 0; aa_formats[i]; i++)
+    gimp_int_combo_box_append (GIMP_INT_COMBO_BOX (combo),
+                               GIMP_INT_STORE_VALUE, i,
+                               GIMP_INT_STORE_LABEL, aa_formats[i]->formatname,
+                               -1);
+
+  gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), selected,
+                              G_CALLBACK (gimp_int_combo_box_get_active),
+                              &selected);
+
+  gtk_widget_show (dialog);
+
+  if (gimp_dialog_run (GIMP_DIALOG (dialog)) != GTK_RESPONSE_OK)
+    selected = -1;
+
+  gtk_widget_destroy (dialog);
+
+  return selected;
+}