Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 702 insertions, 0 deletions

diff --git a/plug-ins/file-sgi/sgi.c b/plug-ins/file-sgi/sgi.c
new file mode 100644
index 0000000..03cd019
--- /dev/null
+++ b/plug-ins/file-sgi/sgi.c
@@ -0,0 +1,702 @@
+/*
+ * SGI image file plug-in for GIMP.
+ *
+ * Copyright 1997-1998 Michael Sweet (mike@easysw.com)
+ *
+ * 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/>.
+ *
+ * Contents:
+ *
+ *   main()                      - Main entry - just call gimp_main()...
+ *   query()                     - Respond to a plug-in query...
+ *   run()                       - Run the plug-in...
+ *   load_image()                - Load a PNG image into a new image window.
+ *   save_image()                - Export the specified image to a PNG file.
+ *   save_ok_callback()          - Destroy the export dialog and export the image.
+ *   save_dialog()               - Pop up the export dialog.
+ *
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <libgimp/gimp.h>
+#include <libgimp/gimpui.h>
+
+#include "sgi-lib.h"
+
+#include "libgimp/stdplugins-intl.h"
+
+
+/*
+ * Constants...
+ */
+
+#define LOAD_PROC        "file-sgi-load"
+#define SAVE_PROC        "file-sgi-save"
+#define PLUG_IN_BINARY   "file-sgi"
+#define PLUG_IN_ROLE     "gimp-file-sgi"
+#define PLUG_IN_VERSION  "1.1.1 - 17 May 1998"
+
+
+/*
+ * Local functions...
+ */
+
+static void     query       (void);
+static void     run         (const gchar      *name,
+                             gint              nparams,
+                             const GimpParam  *param,
+                             gint             *nreturn_vals,
+                             GimpParam       **return_vals);
+
+static gint32   load_image  (const gchar      *filename,
+                             GError          **error);
+static gint     save_image  (const gchar      *filename,
+                             gint32            image_ID,
+                             gint32            drawable_ID,
+                             GError          **error);
+
+static gboolean save_dialog (void);
+
+/*
+ * Globals...
+ */
+
+const GimpPlugInInfo  PLUG_IN_INFO =
+{
+  NULL,  /* init_proc  */
+  NULL,  /* quit_proc  */
+  query, /* query_proc */
+  run,   /* run_proc   */
+};
+
+static gint  compression = SGI_COMP_RLE;
+
+
+MAIN ()
+
+static void
+query (void)
+{
+  static const GimpParamDef load_args[] =
+  {
+    { GIMP_PDB_INT32,      "run-mode",     "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
+    { GIMP_PDB_STRING,     "filename",     "The name of the file to load" },
+    { GIMP_PDB_STRING,     "raw-filename", "The name of the file to load" },
+  };
+  static const GimpParamDef load_return_vals[] =
+  {
+    { GIMP_PDB_IMAGE,      "image",        "Output image" },
+  };
+
+  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 export" },
+    { GIMP_PDB_STRING,   "filename",     "The name of the file to export the image in" },
+    { GIMP_PDB_STRING,   "raw-filename", "The name of the file to export the image in" },
+    { GIMP_PDB_INT32,    "compression",  "Compression level (0 = none, 1 = RLE, 2 = ARLE)" }
+  };
+
+  gimp_install_procedure (LOAD_PROC,
+                          "Loads files in SGI image file format",
+                          "This plug-in loads SGI image files.",
+                          "Michael Sweet <mike@easysw.com>",
+                          "Copyright 1997-1998 by Michael Sweet",
+                          PLUG_IN_VERSION,
+                          N_("Silicon Graphics IRIS image"),
+                          NULL,
+                          GIMP_PLUGIN,
+                          G_N_ELEMENTS (load_args),
+                          G_N_ELEMENTS (load_return_vals),
+                          load_args,
+                          load_return_vals);
+
+  gimp_register_file_handler_mime (LOAD_PROC, "image/x-sgi");
+  gimp_register_magic_load_handler (LOAD_PROC,
+                                    "sgi,rgb,rgba,bw,icon",
+                                    "",
+                                    "0,short,474");
+
+  gimp_install_procedure (SAVE_PROC,
+                          "Exports files in SGI image file format",
+                          "This plug-in exports SGI image files.",
+                          "Michael Sweet <mike@easysw.com>",
+                          "Copyright 1997-1998 by Michael Sweet",
+                          PLUG_IN_VERSION,
+                          N_("Silicon Graphics IRIS image"),
+                          "RGB*, GRAY*, INDEXED*",
+                          GIMP_PLUGIN,
+                          G_N_ELEMENTS (save_args),
+                          0,
+                          save_args,
+                          NULL);
+
+  gimp_register_file_handler_mime (SAVE_PROC, "image/x-sgi");
+  gimp_register_save_handler (SAVE_PROC, "sgi,rgb,rgba,bw,icon", "");
+}
+
+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;
+  gint32             image_ID;
+  gint32             drawable_ID;
+  GimpExportReturn   export = GIMP_EXPORT_CANCEL;
+  GError            *error  = NULL;
+
+  INIT_I18N ();
+  gegl_init (NULL, NULL);
+
+  run_mode = param[0].data.d_int32;
+
+  *nreturn_vals = 1;
+  *return_vals  = values;
+
+  values[0].type          = GIMP_PDB_STATUS;
+  values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
+
+  if (strcmp (name, LOAD_PROC) == 0)
+    {
+      image_ID = load_image (param[1].data.d_string, &error);
+
+      if (image_ID != -1)
+        {
+          *nreturn_vals = 2;
+          values[1].type         = GIMP_PDB_IMAGE;
+          values[1].data.d_image = image_ID;
+        }
+      else
+        {
+          status = GIMP_PDB_EXECUTION_ERROR;
+        }
+    }
+  else if (strcmp (name, SAVE_PROC) == 0)
+    {
+      image_ID    = param[1].data.d_int32;
+      drawable_ID = param[2].data.d_int32;
+
+      /*  eventually export the image */
+      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, "SGI",
+                                      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;
+        }
+
+      switch (run_mode)
+        {
+        case GIMP_RUN_INTERACTIVE:
+          /*
+           * Possibly retrieve data...
+           */
+          gimp_get_data (SAVE_PROC, &compression);
+
+          /*
+           * Then acquire information with a dialog...
+           */
+          if (!save_dialog ())
+            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
+            {
+              compression = param[5].data.d_int32;
+
+              if (compression < 0 || compression > 2)
+                status = GIMP_PDB_CALLING_ERROR;
+            };
+          break;
+
+        case GIMP_RUN_WITH_LAST_VALS:
+          /*
+           * Possibly retrieve data...
+           */
+          gimp_get_data (SAVE_PROC, &compression);
+          break;
+
+        default:
+          break;
+        };
+
+      if (status == GIMP_PDB_SUCCESS)
+        {
+          if (save_image (param[3].data.d_string, image_ID, drawable_ID,
+                          &error))
+            {
+              gimp_set_data (SAVE_PROC, &compression, sizeof (compression));
+            }
+          else
+            {
+              status = GIMP_PDB_EXECUTION_ERROR;
+            }
+        }
+
+      if (export == GIMP_EXPORT_EXPORT)
+        gimp_image_delete (image_ID);
+    }
+  else
+    {
+      status = GIMP_PDB_CALLING_ERROR;
+    }
+
+  if (status != GIMP_PDB_SUCCESS && error)
+    {
+      *nreturn_vals = 2;
+      values[1].type          = GIMP_PDB_STRING;
+      values[1].data.d_string = error->message;
+    }
+
+  values[0].data.d_status = status;
+}
+
+
+/*
+ * 'load_image()' - Load a PNG image into a new image window.
+ */
+
+static gint32
+load_image (const gchar  *filename,
+            GError      **error)
+{
+  gint           i,           /* Looping var */
+                 x,           /* Current X coordinate */
+                 y,           /* Current Y coordinate */
+                 image_type,  /* Type of image */
+                 layer_type,  /* Type of drawable/layer */
+                 tile_height, /* Height of tile in GIMP */
+                 count,       /* Count of rows to put in image */
+                 bytes;       /* Number of channels to use */
+  sgi_t         *sgip;        /* File pointer */
+  gint32         image,       /* Image */
+                 layer;       /* Layer */
+  GeglBuffer    *buffer;      /* Buffer for layer */
+  guchar       **pixels,      /* Pixel rows */
+                *pptr;        /* Current pixel */
+  gushort      **rows;        /* SGI image data */
+
+ /*
+  * Open the file for reading...
+  */
+
+  gimp_progress_init_printf (_("Opening '%s'"),
+                             gimp_filename_to_utf8 (filename));
+
+  sgip = sgiOpen (filename, SGI_READ, 0, 0, 0, 0, 0);
+  if (sgip == NULL)
+    {
+      g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+                   _("Could not open '%s' for reading."),
+                   gimp_filename_to_utf8 (filename));
+      free (sgip);
+      return -1;
+    };
+
+  /*
+   * Get the image dimensions and create the image...
+   */
+
+  /* Sanitize dimensions (note that they are unsigned short and can
+   * thus never be larger than GIMP_MAX_IMAGE_SIZE
+   */
+  if (sgip->xsize == 0 /*|| sgip->xsize > GIMP_MAX_IMAGE_SIZE*/)
+    {
+      g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+              _("Invalid width: %hu"), sgip->xsize);
+      free (sgip);
+      return -1;
+    }
+
+  if (sgip->ysize == 0 /*|| sgip->ysize > GIMP_MAX_IMAGE_SIZE*/)
+    {
+      g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+              _("Invalid height: %hu"), sgip->ysize);
+      free (sgip);
+      return -1;
+    }
+
+  if (sgip->zsize == 0 /*|| sgip->zsize > GIMP_MAX_IMAGE_SIZE*/)
+    {
+      g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+              _("Invalid number of channels: %hu"), sgip->zsize);
+      free (sgip);
+      return -1;
+    }
+
+  bytes = sgip->zsize;
+
+  switch (sgip->zsize)
+    {
+    case 1 :    /* Grayscale */
+      image_type = GIMP_GRAY;
+      layer_type = GIMP_GRAY_IMAGE;
+      break;
+
+    case 2 :    /* Grayscale + alpha */
+      image_type = GIMP_GRAY;
+      layer_type = GIMP_GRAYA_IMAGE;
+      break;
+
+    case 3 :    /* RGB */
+      image_type = GIMP_RGB;
+      layer_type = GIMP_RGB_IMAGE;
+      break;
+
+    case 4 :    /* RGBA */
+      image_type = GIMP_RGB;
+      layer_type = GIMP_RGBA_IMAGE;
+      break;
+
+    default:
+      image_type = GIMP_RGB;
+      layer_type = GIMP_RGBA_IMAGE;
+      bytes = 4;
+      break;
+    }
+
+  image = gimp_image_new (sgip->xsize, sgip->ysize, image_type);
+  if (image == -1)
+    {
+      g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+                   "Could not allocate new image: %s",
+                   gimp_get_pdb_error());
+      free (sgip);
+      return -1;
+    }
+
+  gimp_image_set_filename (image, filename);
+
+  /*
+   * Create the "background" layer to hold the image...
+   */
+
+  layer = gimp_layer_new (image, _("Background"), sgip->xsize, sgip->ysize,
+                          layer_type,
+                          100,
+                          gimp_image_get_default_new_layer_mode (image));
+  gimp_image_insert_layer (image, layer, -1, 0);
+
+  /*
+   * Get the drawable and set the pixel region for our load...
+   */
+
+  buffer = gimp_drawable_get_buffer (layer);
+
+  /*
+   * Temporary buffers...
+   */
+
+  tile_height = gimp_tile_height ();
+  pixels      = g_new (guchar *, tile_height);
+  pixels[0]   = g_new (guchar, ((gsize) tile_height) * sgip->xsize * bytes);
+
+  for (i = 1; i < tile_height; i ++)
+    pixels[i] = pixels[0] + sgip->xsize * bytes * i;
+
+  rows    = g_new (unsigned short *, sgip->zsize);
+  rows[0] = g_new (unsigned short, ((gsize) sgip->xsize) * sgip->zsize);
+
+  for (i = 1; i < sgip->zsize; i ++)
+    rows[i] = rows[0] + i * sgip->xsize;
+
+  /*
+   * Load the image...
+   */
+
+  for (y = 0, count = 0;
+       y < sgip->ysize;
+       y ++, count ++)
+    {
+      if (count >= tile_height)
+        {
+          gegl_buffer_set (buffer, GEGL_RECTANGLE (0, y - count,
+                                                   sgip->xsize, count), 0,
+                           NULL, pixels[0], GEGL_AUTO_ROWSTRIDE);
+
+          count = 0;
+
+          gimp_progress_update ((double) y / (double) sgip->ysize);
+        }
+
+      for (i = 0; i < sgip->zsize; i ++)
+        if (sgiGetRow (sgip, rows[i], sgip->ysize - 1 - y, i) < 0)
+          g_printerr ("sgiGetRow(sgip, rows[i], %d, %d) failed!\n",
+                      sgip->ysize - 1 - y, i);
+
+      if (sgip->bpp == 1)
+        {
+          /*
+           * 8-bit (unsigned) pixels...
+           */
+
+          for (x = 0, pptr = pixels[count]; x < sgip->xsize; x ++)
+            for (i = 0; i < bytes; i ++, pptr ++)
+              *pptr = rows[i][x];
+        }
+      else
+        {
+          /*
+           * 16-bit (unsigned) pixels...
+           */
+
+          for (x = 0, pptr = pixels[count]; x < sgip->xsize; x ++)
+            for (i = 0; i < bytes; i ++, pptr ++)
+              *pptr = rows[i][x] >> 8;
+        }
+    }
+
+  /*
+   * Do the last n rows (count always > 0)
+   */
+
+  gegl_buffer_set (buffer, GEGL_RECTANGLE (0, y - count,
+                                           sgip->xsize, count), 0,
+                   NULL, pixels[0], GEGL_AUTO_ROWSTRIDE);
+
+  /*
+   * Done with the file...
+   */
+
+  sgiClose (sgip);
+
+  g_free (pixels[0]);
+  g_free (pixels);
+  g_free (rows[0]);
+  g_free (rows);
+
+  g_object_unref (buffer);
+
+  gimp_progress_update (1.0);
+
+  return image;
+}
+
+
+/*
+ * 'save_image()' - Save the specified image to a SGI file.
+ */
+
+static gint
+save_image (const gchar  *filename,
+            gint32        image_ID,
+            gint32        drawable_ID,
+            GError      **error)
+{
+  gint         i, j,        /* Looping var */
+               x,           /* Current X coordinate */
+               y,           /* Current Y coordinate */
+               width,       /* Drawable width */
+               height,      /* Drawable height */
+               tile_height, /* Height of tile in GIMP */
+               count,       /* Count of rows to put in image */
+               zsize;       /* Number of channels in file */
+  sgi_t       *sgip;        /* File pointer */
+  GeglBuffer  *buffer;      /* Buffer for layer */
+  const Babl  *format;
+  guchar     **pixels,      /* Pixel rows */
+              *pptr;        /* Current pixel */
+  gushort    **rows;        /* SGI image data */
+
+  /*
+   * Get the drawable for the current image...
+   */
+
+  width  = gimp_drawable_width  (drawable_ID);
+  height = gimp_drawable_height (drawable_ID);
+
+  buffer = gimp_drawable_get_buffer (drawable_ID);
+
+  switch (gimp_drawable_type (drawable_ID))
+    {
+    case GIMP_GRAY_IMAGE:
+      zsize = 1;
+      format = babl_format ("Y' u8");
+      break;
+
+    case GIMP_GRAYA_IMAGE:
+      zsize = 2;
+      format = babl_format ("Y'A u8");
+      break;
+
+    case GIMP_RGB_IMAGE:
+    case GIMP_INDEXED_IMAGE:
+      zsize = 3;
+      format = babl_format ("R'G'B' u8");
+      break;
+
+    case GIMP_RGBA_IMAGE:
+    case GIMP_INDEXEDA_IMAGE:
+      format = babl_format ("R'G'B'A u8");
+      zsize = 4;
+      break;
+
+    default:
+      return FALSE;
+    }
+
+  /*
+   * Open the file for writing...
+   */
+
+  gimp_progress_init_printf (_("Exporting '%s'"),
+                             gimp_filename_to_utf8 (filename));
+
+  sgip = sgiOpen (filename, SGI_WRITE, compression, 1,
+                  width, height, zsize);
+  if (sgip == NULL)
+    {
+      g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
+                   _("Could not open '%s' for writing."),
+                   gimp_filename_to_utf8 (filename));
+      return FALSE;
+    };
+
+  /*
+   * Allocate memory for "tile_height" rows...
+   */
+
+  tile_height = gimp_tile_height ();
+  pixels      = g_new (guchar *, tile_height);
+  pixels[0]   = g_new (guchar, ((gsize) tile_height) * width * zsize);
+
+  for (i = 1; i < tile_height; i ++)
+    pixels[i]= pixels[0] + width * zsize * i;
+
+  rows    = g_new (gushort *, sgip->zsize);
+  rows[0] = g_new (gushort, ((gsize) sgip->xsize) * sgip->zsize);
+
+  for (i = 1; i < sgip->zsize; i ++)
+    rows[i] = rows[0] + i * sgip->xsize;
+
+  /*
+   * Save the image...
+   */
+
+  for (y = 0; y < height; y += count)
+    {
+      /*
+       * Grab more pixel data...
+       */
+
+      if ((y + tile_height) >= height)
+        count = height - y;
+      else
+        count = tile_height;
+
+      gegl_buffer_get (buffer, GEGL_RECTANGLE (0, y, width, count), 1.0,
+                       format, pixels[0],
+                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
+
+      /*
+       * Convert to shorts and write each color plane separately...
+       */
+
+      for (i = 0, pptr = pixels[0]; i < count; i ++)
+        {
+          for (x = 0; x < width; x ++)
+            for (j = 0; j < zsize; j ++, pptr ++)
+              rows[j][x] = *pptr;
+
+          for (j = 0; j < zsize; j ++)
+            sgiPutRow (sgip, rows[j], height - 1 - y - i, j);
+        };
+
+      gimp_progress_update ((double) y / (double) height);
+    }
+
+  /*
+   * Done with the file...
+   */
+
+  sgiClose (sgip);
+
+  g_free (pixels[0]);
+  g_free (pixels);
+  g_free (rows[0]);
+  g_free (rows);
+
+  g_object_unref (buffer);
+
+  gimp_progress_update (1.0);
+
+  return TRUE;
+}
+
+static gboolean
+save_dialog (void)
+{
+  GtkWidget *dialog;
+  GtkWidget *frame;
+  gboolean   run;
+
+  dialog = gimp_export_dialog_new (_("SGI"), PLUG_IN_BINARY, SAVE_PROC);
+
+  frame = gimp_int_radio_group_new (TRUE, _("Compression type"),
+                                    G_CALLBACK (gimp_radio_button_update),
+                                    &compression, compression,
+
+                                    _("_No compression"),
+                                    SGI_COMP_NONE, NULL,
+                                    _("_RLE compression"),
+                                    SGI_COMP_RLE, NULL,
+                                    _("_Aggressive RLE\n(not supported by SGI)"),
+                                    SGI_COMP_ARLE, NULL,
+
+                                    NULL);
+
+  gtk_container_set_border_width (GTK_CONTAINER (frame), 12);
+  gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)),
+                      frame, TRUE, TRUE, 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;
+}