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1309a075cf
2004-11-10 Michael Natterer <mitch@gimp.org> * plug-ins/winicon/icodialog.[ch] * plug-ins/winicon/icoload.[ch] * plug-ins/winicon/icosave.[ch] * plug-ins/winicon/main.[ch]: call progress functions unconditionally; removed global "interactive" variable; use standard strings for open/save progress messages; gui, indentation & coding style cleanup; untabified.
517 lines
14 KiB
C
517 lines
14 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* GIMP Plug-in for Windows Icon files.
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* Copyright (C) 2002 Christian Kreibich <christian@whoop.org>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <stdio.h>
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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/* #define ICO_DBG */
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#include "main.h"
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#include "icoload.h"
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#include "icosave.h"
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#include "libgimp/stdplugins-intl.h"
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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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GimpPlugInInfo PLUG_IN_INFO =
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{
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NULL, /* init_proc */
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NULL, /* quit_proc */
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query, /* query_proc */
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run, /* run_proc */
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};
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MAIN ()
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static void
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query (void)
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{
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static GimpParamDef load_args[] =
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{
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{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
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{ GIMP_PDB_STRING, "raw_filename", "The name entered" }
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};
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static GimpParamDef load_return_vals[] =
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{
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{ GIMP_PDB_IMAGE, "image", "Output image" },
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};
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static GimpParamDef save_args[] =
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{
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{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
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{ GIMP_PDB_IMAGE, "image", "Input image" },
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{ GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to save the image in" },
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{ GIMP_PDB_STRING, "raw_filename", "The name entered" },
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};
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gimp_install_procedure ("file_ico_load",
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"Loads files of Windows ICO file format",
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"Loads files of Windows ICO file format",
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"Christian Kreibich <christian@whoop.org>",
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"Christian Kreibich <christian@whoop.org>",
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"2002",
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N_("Microsoft Windows icon"),
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NULL,
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GIMP_PLUGIN,
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G_N_ELEMENTS (load_args),
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G_N_ELEMENTS (load_return_vals),
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load_args, load_return_vals);
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gimp_register_file_handler_mime ("file_ico_load", "image/x-ico");
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gimp_register_magic_load_handler ("file_ico_load",
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"ico",
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"",
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"0,string,\\000\\001\\000\\000,0,string,\\000\\002\\000\\000");
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gimp_install_procedure ("file_ico_save",
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"Saves files in Windows ICO file format",
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"Saves files in Windows ICO file format",
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"Christian Kreibich <christian@whoop.org>",
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"Christian Kreibich <christian@whoop.org>",
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"2002",
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N_("Microsoft Windows icon"),
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"INDEXEDA, GRAYA, RGBA",
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GIMP_PLUGIN,
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G_N_ELEMENTS (save_args), 0,
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save_args, NULL);
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gimp_register_file_handler_mime ("file_ico_save", "image/x-ico");
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gimp_register_save_handler ("file_ico_save", "ico", "");
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}
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static void
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run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals)
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{
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static GimpParam values[2];
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gint32 image_ID;
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gint32 drawable_ID;
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GimpRunMode run_mode;
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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GimpExportReturn export = GIMP_EXPORT_CANCEL;
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INIT_I18N ();
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run_mode = param[0].data.d_int32;
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
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if (strcmp (name, "file_ico_load") == 0)
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{
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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break;
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case GIMP_RUN_NONINTERACTIVE:
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if (nparams != 3)
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status = GIMP_PDB_CALLING_ERROR;
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break;
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default:
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break;
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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image_ID = LoadICO (param[1].data.d_string);
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if (image_ID != -1)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_IMAGE;
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values[1].data.d_image = image_ID;
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}
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else
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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}
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else if (strcmp (name, "file_ico_save") == 0)
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{
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gchar *file_name;
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image_ID = param[1].data.d_int32;
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drawable_ID = param[2].data.d_int32;
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file_name = param[3].data.d_string;
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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break;
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case GIMP_RUN_NONINTERACTIVE:
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/* Make sure all the arguments are there! */
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if (nparams < 5)
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status = GIMP_PDB_CALLING_ERROR;
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break;
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case GIMP_RUN_WITH_LAST_VALS:
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break;
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default:
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break;
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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status = SaveICO (file_name, image_ID);
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}
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if (export == GIMP_EXPORT_EXPORT)
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gimp_image_delete (image_ID);
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}
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else
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{
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status = GIMP_PDB_CALLING_ERROR;
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}
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = status;
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}
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guint8 *
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ico_alloc_map (gint width,
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gint height,
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gint bpp,
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gint *length)
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{
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gint len = 0;
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guint8 *map = NULL;
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switch (bpp)
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{
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case 1:
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if ((width % 32) == 0)
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len = (width * height / 8);
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else
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len = 4 * ((width/32 + 1) * height);
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break;
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case 4:
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if ((width % 8) == 0)
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len = (width * height / 2);
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else
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len = 4 * ((width/8 + 1) * height);
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break;
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case 8:
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if ((width % 4) == 0)
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len = width * height;
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else
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len = 4 * ((width/4 + 1) * height);
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break;
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default:
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len = width * height * (bpp/8);
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}
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*length = len;
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map = g_new0 (guint8, len);
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return map;
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}
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static gboolean
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ico_cmap_contains_black (guchar *cmap,
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gint num_colors)
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{
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gint i;
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for (i = 0; i < num_colors; i++)
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{
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if ((cmap[3*i] == 0) &&
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(cmap[3*i+1] == 0) &&
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(cmap[3*i+2] == 0))
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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void
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ico_image_reduce_layer_bpp (guint32 layer,
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gint bpp)
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{
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GimpPixelRgn src_pixel_rgn, dst_pixel_rgn;
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gint32 tmp_image;
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gint32 tmp_layer;
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gint w, h;
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guchar *buffer;
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w = gimp_drawable_width (layer);
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h = gimp_drawable_height (layer);
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if (bpp <= 8)
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{
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buffer = g_new (guchar, w * h * 4);
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tmp_image = gimp_image_new (gimp_drawable_width (layer),
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gimp_drawable_height (layer),
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GIMP_RGB);
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tmp_layer = gimp_layer_new (tmp_image, "tmp", w, h,
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GIMP_RGBA_IMAGE, 100, GIMP_NORMAL_MODE);
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gimp_pixel_rgn_init (&src_pixel_rgn, gimp_drawable_get (layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get (tmp_layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
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gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
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gimp_image_add_layer (tmp_image, tmp_layer, 0);
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gimp_image_convert_indexed (tmp_image,
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GIMP_FS_DITHER,
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GIMP_MAKE_PALETTE,
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1 << bpp,
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TRUE,
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FALSE,
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"dummy");
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gimp_image_convert_rgb (tmp_image);
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gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get (tmp_layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_get_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
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gimp_pixel_rgn_set_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
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gimp_image_delete (tmp_image);
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gimp_drawable_update (layer, 0, 0, w ,h);
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/* WTF! What else can I do to make the layer dialog update??? */
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g_free (buffer);
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}
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}
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void
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ico_image_get_reduced_buf (guint32 layer,
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gint bpp,
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gint *num_colors,
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guchar **cmap_out,
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guchar **buf_out,
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gint *buf_bpp)
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{
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GimpPixelRgn src_pixel_rgn, dst_pixel_rgn;
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gint32 tmp_image;
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gint32 tmp_layer;
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gint w, h;
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guchar *buffer;
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guchar *cmap;
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gboolean result;
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GimpDrawable *drawable;
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w = gimp_drawable_width (layer);
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h = gimp_drawable_height (layer);
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*cmap_out = NULL;
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*num_colors = 0;
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buffer = g_new (guchar, w * h * 4);
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if (bpp <= 8)
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{
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tmp_image = gimp_image_new (gimp_drawable_width (layer),
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gimp_drawable_height (layer),
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GIMP_RGB);
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tmp_layer = gimp_layer_new (tmp_image, "tmp", w, h,
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GIMP_RGBA_IMAGE, 100, GIMP_NORMAL_MODE);
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gimp_pixel_rgn_init (&src_pixel_rgn, gimp_drawable_get(layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get (tmp_layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
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gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
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gimp_image_add_layer (tmp_image, tmp_layer, 0);
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result = gimp_image_convert_indexed (tmp_image,
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GIMP_FS_DITHER,
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GIMP_MAKE_PALETTE,
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1 << bpp,
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TRUE,
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FALSE,
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"dummy");
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cmap = gimp_image_get_colormap (tmp_image, num_colors);
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if (*num_colors == (1 << bpp) &&
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!ico_cmap_contains_black(cmap, *num_colors))
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{
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/* Damn. Windows icons with color maps need the color black.
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We need to eliminate one more color to make room for black: */
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result = gimp_image_convert_rgb (tmp_image);
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gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get (tmp_layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
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result = gimp_image_convert_indexed (tmp_image,
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GIMP_FS_DITHER,
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GIMP_MAKE_PALETTE,
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(1 << bpp) - 1,
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TRUE,
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FALSE,
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"dummy");
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}
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cmap = gimp_image_get_colormap (tmp_image, num_colors);
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*cmap_out = g_memdup (cmap, *num_colors * 3);
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result = gimp_image_convert_rgb (tmp_image);
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gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get(tmp_layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_get_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
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drawable = gimp_drawable_get (tmp_layer);
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*buf_bpp = drawable->bpp;
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gimp_image_delete (tmp_image);
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}
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else
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{
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gimp_pixel_rgn_init (&dst_pixel_rgn, gimp_drawable_get (layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_get_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
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drawable = gimp_drawable_get (layer);
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*buf_bpp = drawable->bpp;
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}
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*buf_out = buffer;
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}
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static void
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ico_free_color_item (gpointer data1,
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gpointer data2,
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gpointer data3)
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{
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g_free (data1);
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/* Shut up warnings: */
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data2 = NULL;
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data3 = NULL;
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}
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gint
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ico_get_layer_num_colors (gint32 layer,
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gboolean *uses_alpha_levels)
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{
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GimpPixelRgn pixel_rgn;
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gint x, y, w, h, alpha, num_colors = 0;
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guint32 *buffer = NULL, *color;
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GHashTable *hash;
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w = gimp_drawable_width (layer);
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h = gimp_drawable_height (layer);
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buffer = g_new (gint32, w * h);
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gimp_pixel_rgn_init (&pixel_rgn, gimp_drawable_get (layer),
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0, 0, w, h, TRUE, FALSE);
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gimp_pixel_rgn_get_rect (&pixel_rgn, (guchar*) buffer, 0, 0, w, h);
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hash = g_hash_table_new (g_int_hash, g_int_equal);
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*uses_alpha_levels = FALSE;
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for (y = 0; y < h; y++)
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for (x = 0; x < w; x++)
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{
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color = g_new0 (guint32, 1);
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*color = buffer[y * w + x];
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alpha = ((guint8*) color)[3];
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if (alpha != 0 && alpha != 255)
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*uses_alpha_levels = TRUE;
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g_hash_table_insert (hash, color, color);
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}
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num_colors = g_hash_table_size (hash);
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g_hash_table_foreach (hash, ico_free_color_item, NULL);
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g_hash_table_destroy (hash);
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g_free (buffer);
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return num_colors;
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}
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void
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ico_cleanup (MsIcon *ico)
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{
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gint i;
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if (!ico)
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return;
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if (ico->fp)
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fclose (ico->fp);
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if (ico->icon_dir)
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g_free (ico->icon_dir);
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if (ico->icon_data)
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{
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for (i = 0; i < ico->icon_count; i++)
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{
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g_free (ico->icon_data[i].palette);
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g_free (ico->icon_data[i].xor_map);
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g_free (ico->icon_data[i].and_map);
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}
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g_free (ico->icon_data);
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}
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}
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