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-rw-r--r--plug-ins/file-ico/ico.c345
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diff --git a/plug-ins/file-ico/ico.c b/plug-ins/file-ico/ico.c
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+++ b/plug-ins/file-ico/ico.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * GIMP Plug-in for Windows Icon files.
+ * Copyright (C) 2002 Christian Kreibich <christian@whoop.org>.
+ *
+ * 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>
+
+/* #define ICO_DBG */
+
+#include "ico.h"
+#include "ico-load.h"
+#include "ico-save.h"
+
+#include "libgimp/stdplugins-intl.h"
+
+#define LOAD_PROC "file-ico-load"
+#define LOAD_THUMB_PROC "file-ico-load-thumb"
+#define SAVE_PROC "file-ico-save"
+
+
+static void query (void);
+static void run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals);
+
+
+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 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 entered" }
+ };
+ static const GimpParamDef load_return_vals[] =
+ {
+ { GIMP_PDB_IMAGE, "image", "Output image" },
+ };
+
+ static const GimpParamDef thumb_args[] =
+ {
+ { GIMP_PDB_STRING, "filename", "The name of the file to load" },
+ { GIMP_PDB_INT32, "thumb-size", "Preferred thumbnail size" }
+ };
+ static const GimpParamDef thumb_return_vals[] =
+ {
+ { GIMP_PDB_IMAGE, "image", "Thumbnail image" },
+ { GIMP_PDB_INT32, "image-width", "Width of full-sized image" },
+ { GIMP_PDB_INT32, "image-height", "Height of full-sized 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 save" },
+ { GIMP_PDB_STRING, "filename", "The name of the file to save the image in" },
+ { GIMP_PDB_STRING, "raw-filename", "The name entered" },
+ };
+
+ gimp_install_procedure (LOAD_PROC,
+ "Loads files of Windows ICO file format",
+ "Loads files of Windows ICO file format",
+ "Christian Kreibich <christian@whoop.org>",
+ "Christian Kreibich <christian@whoop.org>",
+ "2002",
+ N_("Microsoft Windows icon"),
+ 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-ico");
+ /* We do not set magics here, since that interferes with certain types
+ of TGA images. */
+ gimp_register_load_handler (LOAD_PROC,
+ "ico",
+ "");
+
+ gimp_install_procedure (LOAD_THUMB_PROC,
+ "Loads a preview from an Windows ICO file",
+ "",
+ "Dom Lachowicz, Sven Neumann",
+ "Sven Neumann <sven@gimp.org>",
+ "2005",
+ NULL,
+ NULL,
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (thumb_args),
+ G_N_ELEMENTS (thumb_return_vals),
+ thumb_args, thumb_return_vals);
+
+ gimp_register_thumbnail_loader (LOAD_PROC, LOAD_THUMB_PROC);
+
+ gimp_install_procedure (SAVE_PROC,
+ "Saves files in Windows ICO file format",
+ "Saves files in Windows ICO file format",
+ "Christian Kreibich <christian@whoop.org>",
+ "Christian Kreibich <christian@whoop.org>",
+ "2002",
+ N_("Microsoft Windows icon"),
+ "*",
+ GIMP_PLUGIN,
+ G_N_ELEMENTS (save_args), 0,
+ save_args, NULL);
+
+ gimp_register_file_handler_mime (SAVE_PROC, "image/x-ico");
+ gimp_register_save_handler (SAVE_PROC, "ico", "");
+}
+
+static void
+run (const gchar *name,
+ gint nparams,
+ const GimpParam *param,
+ gint *nreturn_vals,
+ GimpParam **return_vals)
+{
+ static GimpParam values[4];
+ GimpRunMode run_mode;
+ GimpPDBStatusType status = GIMP_PDB_SUCCESS;
+ 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)
+ {
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ break;
+
+ case GIMP_RUN_NONINTERACTIVE:
+ if (nparams != 3)
+ status = GIMP_PDB_CALLING_ERROR;
+ break;
+
+ default:
+ break;
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ gint32 image_ID;
+
+ image_ID = ico_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, LOAD_THUMB_PROC) == 0)
+ {
+ if (nparams < 2)
+ {
+ status = GIMP_PDB_CALLING_ERROR;
+ }
+ else
+ {
+ const gchar *filename = param[0].data.d_string;
+ gint width = param[1].data.d_int32;
+ gint height = param[1].data.d_int32;
+ gint32 image_ID;
+
+ image_ID = ico_load_thumbnail_image (filename,
+ &width, &height, &error);
+
+ if (image_ID != -1)
+ {
+ *nreturn_vals = 4;
+
+ values[1].type = GIMP_PDB_IMAGE;
+ values[1].data.d_image = image_ID;
+ values[2].type = GIMP_PDB_INT32;
+ values[2].data.d_int32 = width;
+ values[3].type = GIMP_PDB_INT32;
+ values[3].data.d_int32 = height;
+ }
+ else
+ {
+ status = GIMP_PDB_EXECUTION_ERROR;
+ }
+ }
+ }
+ else if (strcmp (name, SAVE_PROC) == 0)
+ {
+ gchar *file_name;
+ gint32 image_ID;
+
+ image_ID = param[1].data.d_int32;
+ file_name = param[3].data.d_string;
+
+ switch (run_mode)
+ {
+ case GIMP_RUN_INTERACTIVE:
+ break;
+
+ case GIMP_RUN_NONINTERACTIVE:
+ /* Make sure all the arguments are there! */
+ if (nparams < 5)
+ status = GIMP_PDB_CALLING_ERROR;
+ break;
+
+ case GIMP_RUN_WITH_LAST_VALS:
+ break;
+
+ default:
+ break;
+ }
+
+ if (status == GIMP_PDB_SUCCESS)
+ {
+ status = ico_save_image (file_name, image_ID, run_mode, &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;
+}
+
+
+gint
+ico_rowstride (gint width,
+ gint bpp)
+{
+ switch (bpp)
+ {
+ case 1:
+ if ((width % 32) == 0)
+ return width / 8;
+ else
+ return 4 * (width/32 + 1);
+ break;
+
+ case 4:
+ if ((width % 8) == 0)
+ return width / 2;
+ else
+ return 4 * (width/8 + 1);
+ break;
+
+ case 8:
+ if ((width % 4) == 0)
+ return width;
+ else
+ return 4 * (width/4 + 1);
+ break;
+
+ case 24:
+ if (((width*3) % 4) == 0)
+ return width * 3;
+ else
+ return 4 * (width*3/4+1);
+
+ case 32:
+ return width * 4;
+
+ default:
+ g_warning ("invalid bitrate: %d\n", bpp);
+ g_assert_not_reached ();
+ return width * (bpp/8);
+ }
+}
+
+guint8 *
+ico_alloc_map (gint width,
+ gint height,
+ gint bpp,
+ gint *length)
+{
+ gint len = 0;
+ guint8 *map = NULL;
+
+ len = ico_rowstride (width, bpp) * height;
+
+ *length = len;
+ map = g_new0 (guint8, len);
+
+ return map;
+}
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