JNIEXPORT void JNICALL
Java_org_gnome_pango_PangoFontDescription_pango_1font_1description_1unset_1fields
(
JNIEnv* env,
jclass cls,
jlong _self,
jint _toUnset
)
{
PangoFontDescription* self;
PangoFontMask toUnset;
// convert parameter self
self = (PangoFontDescription*) _self;
// convert parameter toUnset
toUnset = (PangoFontMask) _toUnset;
// call function
pango_font_description_unset_fields(self, toUnset);
// cleanup parameter self
// cleanup parameter toUnset
}
Glib::ustring font_factory::ConstructFontSpecification(PangoFontDescription *font)
{
Glib::ustring pangoString;
g_assert(font);
if (font) {
// Once the format for the font specification is decided, it must be
// kept.. if it is absolutely necessary to change it, the attribute
// it is written to needs to have a new version so the legacy files
// can be read.
PangoFontDescription *copy = pango_font_description_copy(font);
pango_font_description_unset_fields (copy, PANGO_FONT_MASK_SIZE);
char * copyAsString = pango_font_description_to_string(copy);
pangoString = copyAsString;
g_free(copyAsString);
copyAsString = 0;
pango_font_description_free(copy);
}
return pangoString;
}
Glib::ustring font_factory::GetUIStyleString(PangoFontDescription const *fontDescr)
{
Glib::ustring style;
g_assert(fontDescr);
if (fontDescr) {
PangoFontDescription *fontDescrCopy = pango_font_description_copy(fontDescr);
pango_font_description_unset_fields(fontDescrCopy, PANGO_FONT_MASK_FAMILY);
pango_font_description_unset_fields(fontDescrCopy, PANGO_FONT_MASK_SIZE);
// For now, keep it as style name taken from pango
char *fontDescrAsString = pango_font_description_to_string(fontDescrCopy);
style = fontDescrAsString;
g_free(fontDescrAsString);
fontDescrAsString = 0;
pango_font_description_free(fontDescrCopy);
}
return style;
}
static void
gtk_font_button_label_use_font (GtkFontButton *font_button)
{
PangoFontDescription *desc;
if (!font_button->priv->use_font)
return;
desc = pango_font_description_from_string (font_button->priv->fontname);
if (!font_button->priv->use_size)
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
gtk_widget_modify_font (font_button->priv->font_label, desc);
pango_font_description_free (desc);
}
static void
gtk_font_button_label_use_font (GtkFontButton *font_button)
{
GtkFontButtonPrivate *priv = font_button->priv;
GtkStyleContext *context;
context = gtk_widget_get_style_context (priv->font_label);
if (!priv->use_font)
{
if (priv->provider)
{
gtk_style_context_remove_provider (context, GTK_STYLE_PROVIDER (priv->provider));
g_clear_object (&priv->provider);
}
}
else
{
PangoFontDescription *desc;
gchar *font, *data;
if (!priv->provider)
{
priv->provider = gtk_css_provider_new ();
gtk_style_context_add_provider (context,
GTK_STYLE_PROVIDER (priv->provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}
desc = pango_font_description_copy (priv->font_desc);
if (!priv->use_size)
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
font = pango_font_description_to_string (desc);
data = g_strconcat ("* { font: ", font, "; }", NULL);
gtk_css_provider_load_from_data (priv->provider, data, -1, NULL);
g_free (data);
g_free (font);
pango_font_description_free (desc);
}
}
static void
gnm_font_button_label_use_font (GnmFontButton *font_button)
{
PangoFontDescription *desc;
if (font_button->priv->use_font)
{
desc = pango_font_description_copy (font_button->priv->font_desc);
if (!font_button->priv->use_size)
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
}
else
desc = NULL;
gtk_widget_override_font (font_button->priv->font_label, desc);
if (desc)
pango_font_description_free (desc);
}
static void
gnm_font_button_update_font_info (GnmFontButton *font_button)
{
GnmFontButtonPrivate *priv = font_button->priv;
gchar *family_style;
g_assert (priv->font_desc != NULL);
if (priv->show_style)
{
PangoFontDescription *desc = pango_font_description_copy_static (priv->font_desc);
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
family_style = pango_font_description_to_string (desc);
pango_font_description_free (desc);
}
else
family_style = g_strdup (pango_font_description_get_family (priv->font_desc));
gtk_label_set_text (GTK_LABEL (font_button->priv->font_label), family_style);
g_free (family_style);
if (font_button->priv->show_size)
{
/* mirror Pango, which doesn't translate this either */
gchar *size = g_strdup_printf ("%g%s",
pango_font_description_get_size (priv->font_desc) / (double)PANGO_SCALE,
pango_font_description_get_size_is_absolute (priv->font_desc) ? "px" : "");
gtk_label_set_text (GTK_LABEL (font_button->priv->size_label), size);
g_free (size);
}
gnm_font_button_label_use_font (font_button);
}
GimpLayer *
text_render (GimpImage *image,
GimpDrawable *drawable,
GimpContext *context,
gint text_x,
gint text_y,
const gchar *fontname,
const gchar *text,
gint border,
gboolean antialias)
{
PangoFontDescription *desc;
GimpText *gtext;
GimpLayer *layer;
GimpRGB color;
gchar *font;
gdouble size;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (drawable == NULL ||
gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (fontname != NULL, NULL);
g_return_val_if_fail (text != NULL, NULL);
if (border < 0)
border = 0;
desc = pango_font_description_from_string (fontname);
size = PANGO_PIXELS (pango_font_description_get_size (desc));
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
font = pango_font_description_to_string (desc);
pango_font_description_free (desc);
gimp_context_get_foreground (context, &color);
gtext = g_object_new (GIMP_TYPE_TEXT,
"text", text,
"font", font,
"font-size", size,
"antialias", antialias,
"border", border,
"color", &color,
NULL);
g_free (font);
layer = gimp_text_layer_new (image, gtext);
g_object_unref (gtext);
if (!layer)
return NULL;
/* Start a group undo */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_TEXT,
_("Add Text Layer"));
/* Set the layer offsets */
gimp_item_set_offset (GIMP_ITEM (layer), text_x, text_y);
/* If there is a selection mask clear it--
* this might not always be desired, but in general,
* it seems like the correct behavior.
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
gimp_channel_clear (gimp_image_get_mask (image), NULL, TRUE);
if (drawable == NULL)
{
/* If the drawable is NULL, create a new layer */
gimp_image_add_layer (image, layer, NULL, -1, TRUE);
}
else
{
/* Otherwise, instantiate the text as the new floating selection */
floating_sel_attach (layer, drawable);
}
/* end the group undo */
gimp_image_undo_group_end (image);
return layer;
}
/*
* Returns the index of the fonts closest style match from the provided list of styles
* Used in both the Text dialog and the Text toolbar to set the style combo on selection change
*/
unsigned int sp_font_selector_get_best_style (font_instance *font, GList *list)
{
font_instance *tempFont = NULL;
unsigned int currentStyleNumber = 0;
unsigned int bestStyleNumber = 0;
Glib::ustring family = font_factory::Default()->GetUIFamilyString(font->descr);
PangoFontDescription *incomingFont = pango_font_description_copy(font->descr);
pango_font_description_unset_fields(incomingFont, PANGO_FONT_MASK_SIZE);
char *incomingFontString = pango_font_description_to_string(incomingFont);
tempFont = (font_factory::Default())->FaceFromUIStrings(family.c_str(), (char*)list->data);
PangoFontDescription *bestMatchForFont = NULL;
if (tempFont) {
bestMatchForFont = pango_font_description_copy(tempFont->descr);
tempFont->Unref();
tempFont = NULL;
}
pango_font_description_unset_fields(bestMatchForFont, PANGO_FONT_MASK_SIZE);
list = list->next;
while (list) {
currentStyleNumber++;
tempFont = font_factory::Default()->FaceFromUIStrings(family.c_str(), (char*)list->data);
PangoFontDescription *currentMatchForFont = NULL;
if (tempFont) {
currentMatchForFont = pango_font_description_copy(tempFont->descr);
tempFont->Unref();
tempFont = NULL;
}
if (currentMatchForFont) {
pango_font_description_unset_fields(currentMatchForFont, PANGO_FONT_MASK_SIZE);
char *currentMatchString = pango_font_description_to_string(currentMatchForFont);
if (!strcmp(incomingFontString, currentMatchString)
|| pango_font_description_better_match(incomingFont, bestMatchForFont, currentMatchForFont)) {
// Found a better match for the font we are looking for
pango_font_description_free(bestMatchForFont);
bestMatchForFont = pango_font_description_copy(currentMatchForFont);
bestStyleNumber = currentStyleNumber;
}
g_free(currentMatchString);
pango_font_description_free(currentMatchForFont);
}
list = list->next;
}
if (bestMatchForFont)
pango_font_description_free(bestMatchForFont);
if (incomingFont)
pango_font_description_free(incomingFont);
g_free(incomingFontString);
return bestStyleNumber;
}
static void
gtk_font_button_update_font_info (GtkFontButton *font_button)
{
PangoFontDescription *desc;
const gchar *family;
gchar *style;
gchar *family_style;
desc = pango_font_description_from_string (font_button->priv->fontname);
family = pango_font_description_get_family (desc);
#if 0
/* This gives the wrong names, e.g. Italic when the font selection
* dialog displayed Oblique.
*/
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_FAMILY | PANGO_FONT_MASK_SIZE);
style = pango_font_description_to_string (desc);
gtk_label_set_text (GTK_LABEL (font_button->priv->style_label), style);
#endif
style = NULL;
if (font_button->priv->show_style && family)
{
PangoFontFamily **families;
PangoFontFace **faces;
gint n_families, n_faces, i;
n_families = 0;
families = NULL;
pango_context_list_families (gtk_widget_get_pango_context (GTK_WIDGET (font_button)),
&families, &n_families);
n_faces = 0;
faces = NULL;
for (i = 0; i < n_families; i++)
{
const gchar *name = pango_font_family_get_name (families[i]);
if (!g_ascii_strcasecmp (name, family))
{
pango_font_family_list_faces (families[i], &faces, &n_faces);
break;
}
}
g_free (families);
for (i = 0; i < n_faces; i++)
{
PangoFontDescription *tmp_desc = pango_font_face_describe (faces[i]);
if (font_description_style_equal (tmp_desc, desc))
{
style = g_strdup (pango_font_face_get_face_name (faces[i]));
pango_font_description_free (tmp_desc);
break;
}
else
pango_font_description_free (tmp_desc);
}
g_free (faces);
}
if (style == NULL || !g_ascii_strcasecmp (style, "Regular"))
family_style = g_strdup (family);
else
family_style = g_strdup_printf ("%s %s", family, style);
gtk_label_set_text (GTK_LABEL (font_button->priv->font_label), family_style);
g_free (style);
g_free (family_style);
if (font_button->priv->show_size)
{
gchar *size = g_strdup_printf ("%g",
pango_font_description_get_size (desc) / (double)PANGO_SCALE);
gtk_label_set_text (GTK_LABEL (font_button->priv->size_label), size);
g_free (size);
}
gtk_font_button_label_use_font (font_button);
pango_font_description_free (desc);
}
static PangoCairoFontHexBoxInfo *
_pango_cairo_font_private_get_hex_box_info (PangoCairoFontPrivate *cf_priv)
{
static const char hexdigits[] = "0123456789ABCDEF";
char c[2] = {0, 0};
PangoFont *mini_font;
PangoCairoFontHexBoxInfo *hbi;
/* for metrics hinting */
double scale_x = 1., scale_x_inv = 1., scale_y = 1., scale_y_inv = 1.;
gboolean is_hinted;
int i;
int rows;
double pad;
double width = 0;
double height = 0;
cairo_font_options_t *font_options;
cairo_font_extents_t font_extents;
double size, mini_size;
PangoFontDescription *desc;
cairo_scaled_font_t *scaled_font, *scaled_mini_font;
PangoMatrix pango_ctm;
cairo_matrix_t cairo_ctm;
PangoGravity gravity;
if (!cf_priv)
return NULL;
if (cf_priv->hbi)
return cf_priv->hbi;
scaled_font = _pango_cairo_font_private_get_scaled_font (cf_priv);
if (G_UNLIKELY (scaled_font == NULL || cairo_scaled_font_status (scaled_font) != CAIRO_STATUS_SUCCESS))
return NULL;
is_hinted = cf_priv->is_hinted;
font_options = cairo_font_options_create ();
desc = pango_font_describe_with_absolute_size ((PangoFont *)cf_priv->cfont);
size = pango_font_description_get_size (desc) / (1.*PANGO_SCALE);
gravity = pango_font_description_get_gravity (desc);
cairo_scaled_font_get_ctm (scaled_font, &cairo_ctm);
cairo_scaled_font_get_font_options (scaled_font, font_options);
/* I started adding support for vertical hexboxes here, but it's too much
* work. Easier to do with cairo user fonts and vertical writing mode
* support in cairo.
*/
/*cairo_matrix_rotate (&cairo_ctm, pango_gravity_to_rotation (gravity));*/
pango_ctm.xx = cairo_ctm.xx;
pango_ctm.yx = cairo_ctm.yx;
pango_ctm.xy = cairo_ctm.xy;
pango_ctm.yy = cairo_ctm.yy;
pango_ctm.x0 = cairo_ctm.x0;
pango_ctm.y0 = cairo_ctm.y0;
if (is_hinted)
{
/* prepare for some hinting */
double x, y;
x = 1.; y = 0.;
cairo_matrix_transform_distance (&cairo_ctm, &x, &y);
scale_x = sqrt (x*x + y*y);
scale_x_inv = 1 / scale_x;
x = 0.; y = 1.;
cairo_matrix_transform_distance (&cairo_ctm, &x, &y);
scale_y = sqrt (x*x + y*y);
scale_y_inv = 1 / scale_y;
}
/* we hint to the nearest device units */
#define HINT(value, scale, scale_inv) (ceil ((value-1e-5) * scale) * scale_inv)
#define HINT_X(value) HINT ((value), scale_x, scale_x_inv)
#define HINT_Y(value) HINT ((value), scale_y, scale_y_inv)
/* create mini_font description */
{
PangoFontMap *fontmap;
PangoContext *context;
/* XXX this is racy. need a ref'ing getter... */
fontmap = pango_font_get_font_map ((PangoFont *)cf_priv->cfont);
if (!fontmap)
return NULL;
fontmap = g_object_ref (fontmap);
/* we inherit most font properties for the mini font. just
* change family and size. means, you get bold hex digits
* in the hexbox for a bold font.
*/
/* We should rotate the box, not glyphs */
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_GRAVITY);
pango_font_description_set_family_static (desc, "monospace");
rows = 2;
mini_size = size / 2.2;
if (is_hinted)
{
mini_size = HINT_Y (mini_size);
if (mini_size < 6.0)
{
rows = 1;
mini_size = MIN (MAX (size - 1, 0), 6.0);
}
}
pango_font_description_set_absolute_size (desc, pango_units_from_double (mini_size));
/* load mini_font */
context = pango_font_map_create_context (fontmap);
pango_context_set_matrix (context, &pango_ctm);
pango_context_set_language (context, pango_script_get_sample_language (PANGO_SCRIPT_LATIN));
pango_cairo_context_set_font_options (context, font_options);
mini_font = pango_font_map_load_font (fontmap, context, desc);
g_object_unref (context);
g_object_unref (fontmap);
}
pango_font_description_free (desc);
cairo_font_options_destroy (font_options);
scaled_mini_font = pango_cairo_font_get_scaled_font ((PangoCairoFont *) mini_font);
for (i = 0 ; i < 16 ; i++)
{
cairo_text_extents_t extents;
c[0] = hexdigits[i];
cairo_scaled_font_text_extents (scaled_mini_font, c, &extents);
width = MAX (width, extents.width);
height = MAX (height, extents.height);
}
cairo_scaled_font_extents (scaled_font, &font_extents);
if (font_extents.ascent + font_extents.descent <= 0)
{
font_extents.ascent = PANGO_UNKNOWN_GLYPH_HEIGHT;
font_extents.descent = 0;
}
pad = (font_extents.ascent + font_extents.descent) / 43;
pad = MIN (pad, mini_size);
hbi = g_slice_new (PangoCairoFontHexBoxInfo);
hbi->font = (PangoCairoFont *) mini_font;
hbi->rows = rows;
hbi->digit_width = width;
hbi->digit_height = height;
hbi->pad_x = pad;
hbi->pad_y = pad;
if (is_hinted)
{
hbi->digit_width = HINT_X (hbi->digit_width);
hbi->digit_height = HINT_Y (hbi->digit_height);
hbi->pad_x = HINT_X (hbi->pad_x);
hbi->pad_y = HINT_Y (hbi->pad_y);
}
hbi->line_width = MIN (hbi->pad_x, hbi->pad_y);
hbi->box_height = 3 * hbi->pad_y + rows * (hbi->pad_y + hbi->digit_height);
if (rows == 1 || hbi->box_height <= font_extents.ascent)
{
hbi->box_descent = 2 * hbi->pad_y;
}
else if (hbi->box_height <= font_extents.ascent + font_extents.descent - 2 * hbi->pad_y)
{
hbi->box_descent = 2 * hbi->pad_y + hbi->box_height - font_extents.ascent;
}
else
{
hbi->box_descent = font_extents.descent * hbi->box_height /
(font_extents.ascent + font_extents.descent);
}
if (is_hinted)
{
hbi->box_descent = HINT_Y (hbi->box_descent);
}
cf_priv->hbi = hbi;
return hbi;
}
static void
fill_styles_combo (GtkWidget *combo)
{
int i;
GList *style_list = NULL;
PangoFontFace **faces;
PangoFontFamily *family, **families;
FontDescInfo *info;
int n_families;
const char *family_name = pango_font_description_get_family(font_description);
/*
* Now map back the given family name to the family. There are more efficient
* ways to handle this but it should not matter much ...
*/
pango_context_list_families (context, &families, &n_families);
g_assert(n_families > 0);
family = families[0]; /* just in case */
for (i = 0; i < n_families; i++)
{
if (0 == g_strcasecmp(pango_font_family_get_name(families[i]), family_name))
{
family = families[i];
break;
}
}
g_free (families);
info = g_new (FontDescInfo, 1);
pango_font_family_list_faces (family, &faces, &info->n_descs);
info->descs = g_new0 (PangoFontDescription*, info->n_descs);
for (i = 0; i < info->n_descs; i++)
{
info->descs[i] = pango_font_face_describe(faces[i]);
}
g_free (faces);
gtk_object_set_data_full (GTK_OBJECT (combo), "descs", info, (GtkDestroyNotify)free_info);
qsort (info->descs, info->n_descs, sizeof(PangoFontDescription *), font_description_sort_func);
for (i=0; i<info->n_descs; i++)
{
char *str;
PangoFontDescription *tmp_desc;
tmp_desc = info->descs[i];
pango_font_description_set_family(tmp_desc, NULL);
pango_font_description_unset_fields(tmp_desc, PANGO_FONT_MASK_SIZE);
str = pango_font_description_to_string (tmp_desc);
style_list = g_list_prepend (style_list, str);
}
style_list = g_list_reverse (style_list);
gtk_combo_set_popdown_strings (GTK_COMBO (combo), style_list);
g_list_foreach (style_list, (GFunc)g_free, NULL);
}
unsigned int font_instance::Attribute(const gchar *key, gchar *str, unsigned int size)
{
if ( descr == NULL ) {
if ( size > 0 ) {
str[0]=0;
}
return 0;
}
char* res=NULL;
bool free_res=false;
if ( strcmp(key,"name") == 0 ) {
PangoFontDescription* td=pango_font_description_copy(descr);
pango_font_description_unset_fields (td, PANGO_FONT_MASK_SIZE);
res=pango_font_description_to_string (td);
pango_font_description_free(td);
free_res=true;
} else if ( strcmp(key,"psname") == 0 ) {
#ifndef USE_PANGO_WIN32
res = (char *) FT_Get_Postscript_Name (theFace); // that's the main method, seems to always work
#endif
free_res=false;
if (res == NULL) { // a very limited workaround, only bold, italic, and oblique will work
PangoStyle style=pango_font_description_get_style(descr);
bool i = (style == PANGO_STYLE_ITALIC);
bool o = (style == PANGO_STYLE_OBLIQUE);
PangoWeight weight=pango_font_description_get_weight(descr);
bool b = (weight >= PANGO_WEIGHT_BOLD);
res = g_strdup_printf ("%s%s%s%s",
pango_font_description_get_family(descr),
(b || i || o) ? "-" : "",
(b) ? "Bold" : "",
(i) ? "Italic" : ((o) ? "Oblique" : "") );
free_res = true;
}
} else if ( strcmp(key,"family") == 0 ) {
res=(char*)pango_font_description_get_family(descr);
free_res=false;
} else if ( strcmp(key,"style") == 0 ) {
PangoStyle v=pango_font_description_get_style(descr);
if ( v == PANGO_STYLE_ITALIC ) {
res=(char*)"italic";
} else if ( v == PANGO_STYLE_OBLIQUE ) {
res=(char*)"oblique";
} else {
res=(char*)"normal";
}
free_res=false;
} else if ( strcmp(key,"weight") == 0 ) {
PangoWeight v=pango_font_description_get_weight(descr);
if ( v <= PANGO_WEIGHT_THIN ) {
res=(char*)"100";
} else if ( v <= PANGO_WEIGHT_ULTRALIGHT ) {
res=(char*)"200";
} else if ( v <= PANGO_WEIGHT_LIGHT ) {
res=(char*)"300";
} else if ( v <= PANGO_WEIGHT_BOOK ) {
res=(char*)"380";
} else if ( v <= PANGO_WEIGHT_NORMAL ) {
res=(char*)"normal";
} else if ( v <= PANGO_WEIGHT_MEDIUM ) {
res=(char*)"500";
} else if ( v <= PANGO_WEIGHT_SEMIBOLD ) {
res=(char*)"600";
} else if ( v <= PANGO_WEIGHT_BOLD ) {
res=(char*)"bold";
} else if ( v <= PANGO_WEIGHT_ULTRABOLD ) {
res=(char*)"800";
} else { // HEAVY NB: Pango defines ULTRAHEAVY = 1000 but not CSS2
res=(char*)"900";
}
free_res=false;
} else if ( strcmp(key,"stretch") == 0 ) {
PangoStretch v=pango_font_description_get_stretch(descr);
if ( v <= PANGO_STRETCH_EXTRA_CONDENSED ) {
res=(char*)"extra-condensed";
} else if ( v <= PANGO_STRETCH_CONDENSED ) {
res=(char*)"condensed";
} else if ( v <= PANGO_STRETCH_SEMI_CONDENSED ) {
res=(char*)"semi-condensed";
} else if ( v <= PANGO_STRETCH_NORMAL ) {
res=(char*)"normal";
} else if ( v <= PANGO_STRETCH_SEMI_EXPANDED ) {
res=(char*)"semi-expanded";
} else if ( v <= PANGO_STRETCH_EXPANDED ) {
res=(char*)"expanded";
} else {
res=(char*)"extra-expanded";
}
free_res=false;
} else if ( strcmp(key,"variant") == 0 ) {
PangoVariant v=pango_font_description_get_variant(descr);
if ( v == PANGO_VARIANT_SMALL_CAPS ) {
res=(char*)"small-caps";
} else {
res=(char*)"normal";
}
free_res=false;
} else {
res = NULL;
free_res=false;
}
if ( res == NULL ) {
if ( size > 0 ) {
str[0] = 0;
}
return 0;
}
if (res) {
unsigned int len=strlen(res);
unsigned int rlen=(size-1<len)?size-1:len;
if ( str ) {
if ( rlen > 0 ) {
memcpy(str, res, rlen);
}
if ( size > 0 ) {
str[rlen] = 0;
}
}
if (free_res) {
g_free(res);
res = 0;
}
return len;
}
return 0;
}
