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plug-ins: Add import support for Over The Air Bitmap
This is a Nokia mobile image format, similar in structure to WBMP.
This commit is contained in:
Alx Sa
parent
befacfd0d4
commit
2aff687e18
1 changed files with 195 additions and 5 deletions
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@ -29,6 +29,7 @@
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#include "libgimp/stdplugins-intl.h"
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#define LOAD_PROC "file-wbmp-load"
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#define LOAD_OTB_PROC "file-otb-load"
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#define PLUG_IN_BINARY "file-wbmp"
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#define PLUG_IN_ROLE "gimp-file-wbmp"
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@ -63,8 +64,17 @@ static GimpValueArray * wbmp_load (GimpProcedure *procedure,
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GimpMetadataLoadFlags *flags,
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GimpProcedureConfig *config,
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gpointer run_data);
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static GimpValueArray * otb_load (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GFile *file,
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GimpMetadata *metadata,
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GimpMetadataLoadFlags *flags,
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GimpProcedureConfig *config,
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gpointer run_data);
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GimpImage * load_image (GFile *file,
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GimpImage * load_wbmp_image (GFile *file,
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GError **error);
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GimpImage * load_otb_image (GFile *file,
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GError **error);
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static GimpImage * read_image (FILE *fd,
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@ -99,6 +109,7 @@ wbmp_query_procedures (GimpPlugIn *plug_in)
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GList *list = NULL;
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list = g_list_append (list, g_strdup (LOAD_PROC));
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list = g_list_append (list, g_strdup (LOAD_OTB_PROC));
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return list;
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}
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@ -131,6 +142,26 @@ wbmp_create_procedure (GimpPlugIn *plug_in,
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gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
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"wbmp");
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}
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else if (! strcmp (name, LOAD_OTB_PROC))
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{
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procedure = gimp_load_procedure_new (plug_in, name,
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GIMP_PDB_PROC_TYPE_PLUGIN,
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otb_load, NULL, NULL);
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gimp_procedure_set_menu_label (procedure, _("Nokia Over The Air Bitmap image"));
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gimp_procedure_set_documentation (procedure,
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_("Loads files in Nokia Over The Air Bitmap file format"),
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_("Loads files in Nokia Over The Air Bitmap file format"),
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name);
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gimp_procedure_set_attribution (procedure,
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"Alx Sa",
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"Alx Sa",
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"2025");
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gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
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"otb");
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}
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return procedure;
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}
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@ -150,7 +181,38 @@ wbmp_load (GimpProcedure *procedure,
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gegl_init (NULL, NULL);
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image = load_image (file, &error);
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image = load_wbmp_image (file, &error);
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if (! image)
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return gimp_procedure_new_return_values (procedure,
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GIMP_PDB_EXECUTION_ERROR,
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error);
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return_vals = gimp_procedure_new_return_values (procedure,
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GIMP_PDB_SUCCESS,
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NULL);
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GIMP_VALUES_SET_IMAGE (return_vals, 1, image);
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return return_vals;
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}
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static GimpValueArray *
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otb_load (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GFile *file,
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GimpMetadata *metadata,
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GimpMetadataLoadFlags *flags,
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GimpProcedureConfig *config,
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gpointer run_data)
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{
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GimpValueArray *return_vals;
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GimpImage *image;
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GError *error = NULL;
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gegl_init (NULL, NULL);
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image = load_otb_image (file, &error);
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if (! image)
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return gimp_procedure_new_return_values (procedure,
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@ -167,8 +229,8 @@ wbmp_load (GimpProcedure *procedure,
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}
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GimpImage *
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load_image (GFile *file,
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GError **error)
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load_wbmp_image (GFile *file,
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GError **error)
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{
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FILE *fd;
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GimpImage *image = NULL;
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@ -239,6 +301,135 @@ out:
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return image;
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}
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GimpImage *
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load_otb_image (GFile *file,
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GError **error)
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{
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FILE *fd;
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GimpImage *image = NULL;
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GimpLayer *layer;
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GeglBuffer *buffer;
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guchar *dest;
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const guchar mono[6] = { 255, 255, 255, 0, 0, 0, };
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guint8 magic;
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gushort width = 0;
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gushort height = 0;
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guint count = 0;
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gsize total_size;
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guchar value;
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gimp_progress_init_printf (_("Opening '%s'"),
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gimp_file_get_utf8_name (file));
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fd = g_fopen (g_file_peek_path (file), "rb");
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if (! fd)
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{
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g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
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_("Could not open '%s' for reading: %s"),
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gimp_file_get_utf8_name (file), g_strerror (errno));
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goto out;
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}
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/* Checking the type field to make sure it is 0. */
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if (! ReadOK (fd, &magic, 1))
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{
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g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("'%s': Invalid OTA type value"),
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gimp_file_get_utf8_name (file));
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goto out;
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}
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/* If magic is 0, we read width, height, and then depth field.
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* If it's anything else, we may read extension byte first */
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if (magic == 0)
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{
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if (! ReadOK (fd, &width, 1) ||
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! ReadOK (fd, &height, 1) ||
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! ReadOK (fd, &value, 1))
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{
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g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("'%s': Invalid OTA header value"),
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gimp_file_get_utf8_name (file));
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goto out;
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}
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}
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else
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{
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gint bytes_to_read = 1;
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/* If extension byte is set */
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if (magic & (1 << 7) &&
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! ReadOK (fd, &value, 1))
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{
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g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("'%s': Invalid OTA header value"),
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gimp_file_get_utf8_name (file));
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goto out;
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}
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/* If width and height are 16 bit integers */
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if (magic & (1 << 4))
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bytes_to_read = 2;
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if (! ReadOK (fd, &width, bytes_to_read) ||
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! ReadOK (fd, &height, bytes_to_read) ||
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! ReadOK (fd, &value, 1))
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{
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g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("'%s': Invalid OTA header value"),
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gimp_file_get_utf8_name (file));
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goto out;
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}
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width = GUINT16_FROM_BE (width);
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height = GUINT16_FROM_BE (height);
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}
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image = gimp_image_new (width, height, GIMP_INDEXED);
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layer = gimp_layer_new (image, _("Background"), width, height,
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GIMP_INDEXED_IMAGE, 100,
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gimp_image_get_default_new_layer_mode (image));
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gimp_palette_set_colormap (gimp_image_get_palette (image),
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babl_format ("R'G'B' u8"), (guint8 *) mono, 6);
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gimp_image_insert_layer (image, layer, NULL, 0);
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total_size = width * height;
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dest = g_malloc0 (total_size);
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while (ReadOK (fd, &value, 1))
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{
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for (gint i = 7; i >= 0; i--)
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{
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if (value & (1 << i))
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dest[count] = 1;
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count++;
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if (count >= (total_size))
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break;
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if ((count % 5) == 0)
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gimp_progress_update ((gdouble) count / (gdouble) total_size);
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}
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if (count >= (total_size))
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break;
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}
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buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer));
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gegl_buffer_set (buffer, GEGL_RECTANGLE (0, 0, width, height), 0, NULL, dest,
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GEGL_AUTO_ROWSTRIDE);
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g_object_unref (buffer);
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g_free (dest);
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out:
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if (fd)
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fclose (fd);
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return image;
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}
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/* Code referenced from /plug-ins/file-bmp/bmp-load.c */
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static GimpImage *
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read_image (FILE *fd,
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@ -323,4 +514,3 @@ read_image (FILE *fd,
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return image;
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}
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