static gboolean
curvature_set_selection(GwyDataField *dfield,
const Intersection *i1,
const Intersection *i2,
GwySelection *selection)
{
gdouble xreal, yreal;
gdouble xy[4];
gint xres, yres;
guint i;
xreal = gwy_data_field_get_xreal(dfield);
yreal = gwy_data_field_get_yreal(dfield);
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
for (i = 0; i < 2; i++) {
xy[0] = CLAMP(i1[i].x, 0, xreal*(xres - 1)/xres);
xy[1] = CLAMP(i1[i].y, 0, yreal*(yres - 1)/yres);
xy[2] = CLAMP(i2[i].x, 0, xreal*(xres - 1)/xres);
xy[3] = CLAMP(i2[i].y, 0, yreal*(yres - 1)/yres);
gwy_selection_set_object(selection, i, xy);
}
return TRUE;
}
static GwySelection*
gwyfile_gather_old_rect_selection(GwyContainer *data)
{
GwySelection *sel;
GType type;
gboolean selected;
gdouble xy[4];
type = g_type_from_name("GwySelectionRectangle");
if (!type
|| !gwy_container_gis_boolean_by_name(data, "/0/select/rect/selected",
&selected)
|| !selected)
return NULL;
if (!gwy_container_gis_double_by_name(data, "/0/select/rect/x0", &xy[0])
|| !gwy_container_gis_double_by_name(data, "/0/select/rect/y0", &xy[1])
|| !gwy_container_gis_double_by_name(data, "/0/select/rect/x1", &xy[2])
|| !gwy_container_gis_double_by_name(data, "/0/select/rect/y1", &xy[3]))
return NULL;
sel = GWY_SELECTION(g_object_new(type, "max-objects", 1, NULL));
gwy_selection_set_object(sel, 0, xy);
return sel;
}
static GwySelection*
gwyfile_gather_old_line_selection(GwyContainer *data)
{
GwySelection *sel;
GType type;
gint i, nselected;
gdouble xy[4];
gchar key[40];
type = g_type_from_name("GwySelectionLine");
if (!type
|| !gwy_container_gis_int32_by_name(data,
"/0/select/lines/nselected",
&nselected))
return NULL;
nselected = CLAMP(nselected, 0, 16);
if (!nselected)
return NULL;
sel = GWY_SELECTION(g_object_new(type, "max-objects", nselected, NULL));
for (i = 0; i < nselected; i++) {
g_snprintf(key, sizeof(key), "/0/select/lines/%d/x0", i);
if (!gwy_container_gis_double_by_name(data, key, &xy[0]))
break;
g_snprintf(key, sizeof(key), "/0/select/lines/%d/y0", i);
if (!gwy_container_gis_double_by_name(data, key, &xy[1]))
break;
g_snprintf(key, sizeof(key), "/0/select/lines/%d/x1", i);
if (!gwy_container_gis_double_by_name(data, key, &xy[2]))
break;
g_snprintf(key, sizeof(key), "/0/select/lines/%d/y1", i);
if (!gwy_container_gis_double_by_name(data, key, &xy[3]))
break;
gwy_selection_set_object(sel, i, xy);
}
if (!i)
gwy_object_unref(sel);
return sel;
}
static void
facet_view_select_angle(FacetsControls *controls,
gdouble theta,
gdouble phi)
{
gdouble x, y, q, xy[2];
GwyVectorLayer *layer;
GwySelection *selection;
const gchar *key;
angles_to_xy(theta, phi, &x, &y);
controls->in_update = TRUE;
q = gwy_container_get_double_by_name(controls->fdata, "/q");
xy[0] = x + G_SQRT2/q;
xy[1] = y + G_SQRT2/q;
layer = gwy_data_view_get_top_layer(GWY_DATA_VIEW(controls->fview));
key = gwy_vector_layer_get_selection_key(layer);
selection = gwy_container_get_object_by_name(controls->fdata, key);
gwy_selection_set_object(selection, 0, xy);
controls->in_update = FALSE;
}
