static void
presentation_attach_do(const GwyAppDataId *source,
const GwyAppDataId *target)
{
GwyContainer *sourcedata, *targetdata;
GwyDataField *dfield;
GQuark quark;
sourcedata = gwy_app_data_browser_get(source->datano);
targetdata = gwy_app_data_browser_get(target->datano);
quark = gwy_app_get_data_key_for_id(source->id);
dfield = GWY_DATA_FIELD(gwy_container_get_object(sourcedata, quark));
dfield = gwy_data_field_duplicate(dfield);
quark = gwy_app_get_show_key_for_id(target->id);
gwy_app_undo_qcheckpointv(targetdata, 1, &quark);
gwy_container_set_object(targetdata, quark, dfield);
g_object_unref(dfield);
}
static void
scale(GwyContainer *data, GwyRunType run)
{
GwyDataField *dfields[3];
GQuark quark;
gint oldid, newid;
ScaleArgs args;
gboolean ok;
g_return_if_fail(run & SCALE_RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, dfields + 0,
GWY_APP_MASK_FIELD, dfields + 1,
GWY_APP_SHOW_FIELD, dfields + 2,
GWY_APP_DATA_FIELD_ID, &oldid,
0);
g_return_if_fail(dfields[0]);
scale_load_args(gwy_app_settings_get(), &args);
args.org_xres = gwy_data_field_get_xres(dfields[0]);
args.org_yres = gwy_data_field_get_yres(dfields[0]);
args.xres = ROUND(args.ratio*args.org_xres);
if (args.proportional)
args.aspectratio = 1.0;
args.yres = ROUND(args.aspectratio*args.ratio*args.org_yres);
if (run == GWY_RUN_INTERACTIVE) {
ok = scale_dialog(&args);
scale_save_args(gwy_app_settings_get(), &args);
if (!ok)
return;
}
dfields[0] = gwy_data_field_new_resampled(dfields[0],
ROUND(args.xres),
ROUND(args.yres),
args.interp);
if (dfields[1]) {
dfields[1] = gwy_data_field_new_resampled(dfields[1],
ROUND(args.xres),
ROUND(args.yres),
args.interp);
}
if (dfields[2]) {
dfields[2] = gwy_data_field_new_resampled(dfields[2],
ROUND(args.xres),
ROUND(args.yres),
args.interp);
}
newid = gwy_app_data_browser_add_data_field(dfields[0], data, TRUE);
g_object_unref(dfields[0]);
gwy_app_sync_data_items(data, data, oldid, newid, FALSE,
GWY_DATA_ITEM_GRADIENT,
GWY_DATA_ITEM_RANGE,
GWY_DATA_ITEM_MASK_COLOR,
0);
if (dfields[1]) {
quark = gwy_app_get_mask_key_for_id(newid);
gwy_container_set_object(data, quark, dfields[1]);
g_object_unref(dfields[1]);
}
if (dfields[2]) {
quark = gwy_app_get_show_key_for_id(newid);
gwy_container_set_object(data, quark, dfields[2]);
g_object_unref(dfields[2]);
}
gwy_app_set_data_field_title(data, newid, _("Scaled Data"));
}
/**
* proc_plugin_proxy_run:
* @data: A data container.
* @run: Run mode.
* @name: Plug-in name (i.e. data processing function) to run.
*
* The plug-in proxy itself, runs plug-in @name on @data.
*
* Returns: Whether it succeeded running the plug-in.
**/
static void
proc_plugin_proxy_run(GwyContainer *data,
GwyRunType run,
const gchar *name)
{
ProcPluginInfo *info;
GwyContainer *newdata;
gchar *filename, *buffer = NULL;
GError *err = NULL;
gint exit_status, id, newid;
gsize size = 0;
FILE *fh;
gchar *args[] = { NULL, "run", NULL, NULL, NULL };
GQuark dquark, mquark, squark;
gboolean ok;
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD_KEY, &dquark,
GWY_APP_MASK_FIELD_KEY, &mquark,
GWY_APP_DATA_FIELD_ID, &id,
0);
gwy_debug("called as %s with run mode %d", name, run);
if (!(info = proc_find_plugin(name, run)))
return;
fh = text_dump_export(data, dquark, mquark, &filename, NULL);
g_return_if_fail(fh);
args[0] = info->file;
args[2] = g_strdup(gwy_enum_to_string(run, run_mode_names, -1));
args[3] = decode_glib_encoded_filename(filename);
gwy_debug("%s %s %s %s", args[0], args[1], args[2], args[3]);
ok = g_spawn_sync(NULL, args, NULL, 0, NULL, NULL,
NULL, NULL, &exit_status, &err);
if (!err)
ok &= g_file_get_contents(filename, &buffer, &size, &err);
g_unlink(filename);
fclose(fh);
gwy_debug("ok = %d, exit_status = %d, err = %p", ok, exit_status, err);
ok &= !exit_status;
if (ok && (newdata = text_dump_import(buffer, size, NULL))) {
GwyDataField *dfield;
/* Merge data */
if (gwy_container_gis_object_by_name(newdata, "/0/data", &dfield))
g_object_ref(dfield);
else {
dfield = gwy_container_get_object(data, dquark);
dfield = gwy_data_field_duplicate(dfield);
}
newid = gwy_app_data_browser_add_data_field(dfield, data, TRUE);
/* Merge mask */
if (gwy_container_gis_object_by_name(newdata, "/0/mask", &dfield))
g_object_ref(dfield);
else if (gwy_container_gis_object(data, mquark, &dfield))
dfield = gwy_data_field_duplicate(dfield);
else
dfield = NULL;
if (dfield) {
mquark = gwy_app_get_mask_key_for_id(newid);
gwy_container_set_object(data, mquark, dfield);
g_object_unref(dfield);
}
/* Merge presentation */
if (gwy_container_gis_object_by_name(newdata, "/0/show", &dfield)) {
squark = gwy_app_get_show_key_for_id(newid);
gwy_container_set_object(data, squark, dfield);
}
/* Merge stuff. XXX: This is brutal and incomplete. */
gwy_app_sync_data_items(data, data, id, newid, FALSE,
GWY_DATA_ITEM_GRADIENT,
GWY_DATA_ITEM_RANGE_TYPE,
GWY_DATA_ITEM_MASK_COLOR,
GWY_DATA_ITEM_REAL_SQUARE,
0);
gwy_app_sync_data_items(newdata, data, 0, newid, FALSE,
GWY_DATA_ITEM_GRADIENT,
GWY_DATA_ITEM_RANGE_TYPE,
0);
g_object_unref(newdata);
}
else {
g_warning("Cannot run plug-in %s: %s",
info->file,
err ? err->message : "it returned garbage.");
}
g_free(args[3]);
g_free(args[2]);
g_clear_error(&err);
g_free(buffer);
g_free(filename);
}
static void
rotate(GwyContainer *data, GwyRunType run)
{
GwyDataField *dfields[3];
GQuark quark;
gint oldid, newid;
RotateArgs args;
gboolean ok;
g_return_if_fail(run & ROTATE_RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, dfields + 0,
GWY_APP_MASK_FIELD, dfields + 1,
GWY_APP_SHOW_FIELD, dfields + 2,
GWY_APP_DATA_FIELD_ID, &oldid,
0);
g_return_if_fail(dfields[0]);
rotate_load_args(gwy_app_settings_get(), &args);
if (run == GWY_RUN_INTERACTIVE) {
ok = rotate_dialog(&args, data);
rotate_save_args(gwy_app_settings_get(), &args);
if (!ok)
return;
}
dfields[0] = gwy_data_field_duplicate(dfields[0]);
rotate_datafield(dfields[0], &args);
if (dfields[1]) {
GwyInterpolationType interp = args.interp;
dfields[1] = gwy_data_field_duplicate(dfields[1]);
args.interp = GWY_INTERPOLATION_ROUND;
rotate_datafield(dfields[1], &args);
args.interp = interp;
}
if (dfields[2]) {
dfields[2] = gwy_data_field_duplicate(dfields[2]);
rotate_datafield(dfields[2], &args);
}
newid = gwy_app_data_browser_add_data_field(dfields[0], data, TRUE);
g_object_unref(dfields[0]);
gwy_app_sync_data_items(data, data, oldid, newid, FALSE,
GWY_DATA_ITEM_GRADIENT,
GWY_DATA_ITEM_RANGE,
GWY_DATA_ITEM_MASK_COLOR,
0);
if (dfields[1]) {
quark = gwy_app_get_mask_key_for_id(newid);
gwy_container_set_object(data, quark, dfields[1]);
g_object_unref(dfields[1]);
}
if (dfields[2]) {
quark = gwy_app_get_show_key_for_id(newid);
gwy_container_set_object(data, quark, dfields[2]);
g_object_unref(dfields[2]);
}
gwy_app_set_data_field_title(data, newid, _("Rotated Data"));
gwy_app_channel_log_add_proc(data, oldid, newid);
}
static void
square_samples(GwyContainer *data, GwyRunType run)
{
GwyDataField *dfield, *dfields[3];
gdouble xreal, yreal, qx, qy;
gint oldid, newid, xres, yres;
GQuark quark;
g_return_if_fail(run & BASICOPS_RUN_MODES);
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, dfields + 0,
GWY_APP_MASK_FIELD, dfields + 1,
GWY_APP_SHOW_FIELD, dfields + 2,
GWY_APP_DATA_FIELD_ID, &oldid,
0);
dfield = dfields[0];
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
xreal = gwy_data_field_get_xreal(dfield);
yreal = gwy_data_field_get_yreal(dfield);
qx = xres/xreal;
qy = yres/yreal;
if (fabs(log(qx/qy)) > 1.0/hypot(xres, yres)) {
/* Resample */
if (qx < qy)
xres = MAX(GWY_ROUND(xreal*qy), 1);
else
yres = MAX(GWY_ROUND(yreal*qx), 1);
dfields[0] = gwy_data_field_new_resampled(dfields[0], xres, yres,
GWY_INTERPOLATION_BSPLINE);
if (dfields[1]) {
dfields[1]
= gwy_data_field_new_resampled(dfields[1], xres, yres,
GWY_INTERPOLATION_ROUND);
}
if (dfields[2]) {
dfields[2]
= gwy_data_field_new_resampled(dfields[2], xres, yres,
GWY_INTERPOLATION_BSPLINE);
}
}
else {
/* Ratios are equal, just duplicate */
dfields[0] = gwy_data_field_duplicate(dfields[0]);
if (dfields[1])
dfields[1] = gwy_data_field_duplicate(dfields[1]);
if (dfields[2])
dfields[2] = gwy_data_field_duplicate(dfields[2]);
}
newid = gwy_app_data_browser_add_data_field(dfields[0], data, TRUE);
g_object_unref(dfields[0]);
gwy_app_sync_data_items(data, data, oldid, newid, FALSE,
GWY_DATA_ITEM_GRADIENT,
GWY_DATA_ITEM_RANGE,
GWY_DATA_ITEM_MASK_COLOR,
0);
if (dfields[1]) {
quark = gwy_app_get_mask_key_for_id(newid);
gwy_container_set_object(data, quark, dfields[1]);
g_object_unref(dfields[1]);
}
if (dfields[2]) {
quark = gwy_app_get_show_key_for_id(newid);
gwy_container_set_object(data, quark, dfields[2]);
g_object_unref(dfields[2]);
}
gwy_app_channel_log_add_proc(data, oldid, newid);
}
