static gboolean
sup_parse_func (MarkupData *md,
OpenTag *tag,
const gchar **names,
const gchar **values,
GMarkupParseContext *context,
GError **error)
{
CHECK_NO_ATTRS("sup");
/* Shrink font, and set a positive rise */
if (tag)
{
tag->scale_level_delta -= 1;
tag->scale_level -= 1;
}
add_attribute (tag, pango_attr_rise_new (SUPERSUB_RISE));
return TRUE;
}
/* This function is used by gtk_text_cell_accessible_get_offset_at_point()
* and gtk_text_cell_accessible_get_character_extents(). There is no
* cached PangoLayout so we must create a temporary one using this function.
*/
static PangoLayout *
create_pango_layout (GtkTextCellAccessible *text)
{
GdkRGBA *foreground_rgba;
PangoAttrList *attr_list, *attributes;
PangoLayout *layout;
PangoUnderline uline, underline;
PangoFontMask mask;
PangoFontDescription *font_desc;
gboolean foreground_set, strikethrough_set, strikethrough;
gboolean scale_set, underline_set, rise_set;
gchar *renderer_text;
gdouble scale;
gint rise;
GtkRendererCellAccessible *gail_renderer;
GtkCellRendererText *gtk_renderer;
gail_renderer = GTK_RENDERER_CELL_ACCESSIBLE (text);
gtk_renderer = GTK_CELL_RENDERER_TEXT (gail_renderer->renderer);
g_object_get (gtk_renderer,
"text", &renderer_text,
"attributes", &attributes,
"foreground-set", &foreground_set,
"foreground-rgba", &foreground_rgba,
"strikethrough-set", &strikethrough_set,
"strikethrough", &strikethrough,
"font-desc", &font_desc,
"scale-set", &scale_set,
"scale", &scale,
"underline-set", &underline_set,
"underline", &underline,
"rise-set", &rise_set,
"rise", &rise,
NULL);
layout = gtk_widget_create_pango_layout (get_widget (text), renderer_text);
if (attributes)
attr_list = pango_attr_list_copy (attributes);
else
attr_list = pango_attr_list_new ();
if (foreground_set)
{
add_attr (attr_list, pango_attr_foreground_new (foreground_rgba->red * 65535,
foreground_rgba->green * 65535,
foreground_rgba->blue * 65535));
}
if (strikethrough_set)
add_attr (attr_list,
pango_attr_strikethrough_new (strikethrough));
mask = pango_font_description_get_set_fields (font_desc);
if (mask & PANGO_FONT_MASK_FAMILY)
add_attr (attr_list,
pango_attr_family_new (pango_font_description_get_family (font_desc)));
if (mask & PANGO_FONT_MASK_STYLE)
add_attr (attr_list, pango_attr_style_new (pango_font_description_get_style (font_desc)));
if (mask & PANGO_FONT_MASK_VARIANT)
add_attr (attr_list, pango_attr_variant_new (pango_font_description_get_variant (font_desc)));
if (mask & PANGO_FONT_MASK_WEIGHT)
add_attr (attr_list, pango_attr_weight_new (pango_font_description_get_weight (font_desc)));
if (mask & PANGO_FONT_MASK_STRETCH)
add_attr (attr_list, pango_attr_stretch_new (pango_font_description_get_stretch (font_desc)));
if (mask & PANGO_FONT_MASK_SIZE)
add_attr (attr_list, pango_attr_size_new (pango_font_description_get_size (font_desc)));
if (scale_set && scale != 1.0)
add_attr (attr_list, pango_attr_scale_new (scale));
if (underline_set)
uline = underline;
else
uline = PANGO_UNDERLINE_NONE;
if (uline != PANGO_UNDERLINE_NONE)
add_attr (attr_list,
pango_attr_underline_new (underline));
if (rise_set)
add_attr (attr_list, pango_attr_rise_new (rise));
pango_layout_set_attributes (layout, attr_list);
pango_layout_set_width (layout, -1);
pango_attr_list_unref (attr_list);
pango_font_description_free (font_desc);
pango_attr_list_unref (attributes);
g_free (renderer_text);
gdk_rgba_free (foreground_rgba);
return layout;
}
/**
* gimp_label_set_attributes:
* @label: a #GtkLabel
* @...: a list of PangoAttrType and value pairs terminated by -1.
*
* Sets Pango attributes on a #GtkLabel in a more convenient way than
* gtk_label_set_attributes().
*
* This function is useful if you want to change the font attributes
* of a #GtkLabel. This is an alternative to using PangoMarkup which
* is slow to parse and akward to handle in an i18n-friendly way.
*
* The attributes are set on the complete label, from start to end. If
* you need to set attributes on part of the label, you will have to
* use the PangoAttributes API directly.
*
* Since: 2.2
**/
void
gimp_label_set_attributes (GtkLabel *label,
...)
{
PangoAttribute *attr = NULL;
PangoAttrList *attrs;
va_list args;
g_return_if_fail (GTK_IS_LABEL (label));
attrs = pango_attr_list_new ();
va_start (args, label);
do
{
PangoAttrType attr_type = va_arg (args, PangoAttrType);
if (attr_type == -1)
attr_type = PANGO_ATTR_INVALID;
switch (attr_type)
{
case PANGO_ATTR_LANGUAGE:
attr = pango_attr_language_new (va_arg (args, PangoLanguage *));
break;
case PANGO_ATTR_FAMILY:
attr = pango_attr_family_new (va_arg (args, const gchar *));
break;
case PANGO_ATTR_STYLE:
attr = pango_attr_style_new (va_arg (args, PangoStyle));
break;
case PANGO_ATTR_WEIGHT:
attr = pango_attr_weight_new (va_arg (args, PangoWeight));
break;
case PANGO_ATTR_VARIANT:
attr = pango_attr_variant_new (va_arg (args, PangoVariant));
break;
case PANGO_ATTR_STRETCH:
attr = pango_attr_stretch_new (va_arg (args, PangoStretch));
break;
case PANGO_ATTR_SIZE:
attr = pango_attr_size_new (va_arg (args, gint));
break;
case PANGO_ATTR_FONT_DESC:
attr = pango_attr_font_desc_new (va_arg (args,
const PangoFontDescription *));
break;
case PANGO_ATTR_FOREGROUND:
{
const PangoColor *color = va_arg (args, const PangoColor *);
attr = pango_attr_foreground_new (color->red,
color->green,
color->blue);
}
break;
case PANGO_ATTR_BACKGROUND:
{
const PangoColor *color = va_arg (args, const PangoColor *);
attr = pango_attr_background_new (color->red,
color->green,
color->blue);
}
break;
case PANGO_ATTR_UNDERLINE:
attr = pango_attr_underline_new (va_arg (args, PangoUnderline));
break;
case PANGO_ATTR_STRIKETHROUGH:
attr = pango_attr_strikethrough_new (va_arg (args, gboolean));
break;
case PANGO_ATTR_RISE:
attr = pango_attr_rise_new (va_arg (args, gint));
break;
case PANGO_ATTR_SCALE:
attr = pango_attr_scale_new (va_arg (args, gdouble));
break;
default:
g_warning ("%s: invalid PangoAttribute type %d",
G_STRFUNC, attr_type);
case PANGO_ATTR_INVALID:
attr = NULL;
break;
}
if (attr)
{
attr->start_index = 0;
attr->end_index = -1;
pango_attr_list_insert (attrs, attr);
}
}
while (attr);
va_end (args);
gtk_label_set_attributes (label, attrs);
pango_attr_list_unref (attrs);
}
static void
go_pango_translate_here (PangoAttrIterator *state_iter,
PangoAttrIterator *attr_iter, PangoAttrList *attrs)
{
double font_scale = 1.;
double scale = 1.;
int rise = 0;
PangoAttribute *pa;
PangoFontDescription *desc = pango_font_description_new ();
GSList *the_attrs, *l;
gint range_start, range_end;
pango_attr_iterator_range (attr_iter, &range_start, &range_end);
if (range_start == range_end)
return;
desc = pango_font_description_new ();
pango_attr_iterator_get_font (state_iter, desc, NULL, NULL);
font_scale = pango_font_description_get_size (desc)/
(double)PANGO_SCALE/10.;
pango_font_description_free (desc);
pa = pango_attr_iterator_get
(state_iter, PANGO_ATTR_SCALE);
if (pa)
scale = ((PangoAttrFloat *)pa)->value;
pa = pango_attr_iterator_get
(state_iter, PANGO_ATTR_RISE);
if (pa)
rise = ((PangoAttrInt *)pa)->value;
/* We should probably figured out the default font size used */
/* rather than assuming it is 10 pts * scale */
if (font_scale == 0)
font_scale = scale;
the_attrs = pango_attr_iterator_get_attrs (attr_iter);
for (l = the_attrs; l != NULL; l = l->next) {
PangoAttribute *attribute = l->data;
PangoAttrType type = attribute->klass->type;
if (type == go_pango_attr_superscript_get_attr_type ()) {
GOPangoAttrSuperscript *attr = (GOPangoAttrSuperscript *)attribute;
if (attr->val) {
scale *= GO_SUPERSCRIPT_SCALE;
rise += GO_SUPERSCRIPT_RISE * font_scale;
font_scale *= GO_SUPERSCRIPT_SCALE;
}
} else { /* go_pango_attr_subscript_type */
GOPangoAttrSubscript *attr = (GOPangoAttrSubscript *)attribute;
if (attr->val) {
scale *= GO_SUBSCRIPT_SCALE;
rise += GO_SUBSCRIPT_RISE * font_scale;
font_scale *= GO_SUBSCRIPT_SCALE;
}
}
}
if (the_attrs != NULL) {
PangoAttribute *attr = pango_attr_scale_new (scale);
attr->start_index = range_start;
attr->end_index = range_end;
pango_attr_list_insert (attrs, attr);
attr = pango_attr_rise_new (rise);
attr->start_index = range_start;
attr->end_index = range_end;
pango_attr_list_insert (attrs, attr);
}
g_slist_free_full (the_attrs, (GDestroyNotify)pango_attribute_destroy);
}
/*
* This function is used by gail_text_cell_get_offset_at_point()
* and gail_text_cell_get_character_extents(). There is no
* cached PangoLayout for gailtextcell so we must create a temporary
* one using this function.
*/
static PangoLayout*
create_pango_layout(GtkCellRendererText *gtk_renderer,
GtkWidget *widget)
{
PangoAttrList *attr_list;
PangoLayout *layout;
PangoUnderline uline;
PangoFontMask mask;
layout = gtk_widget_create_pango_layout (widget, gtk_renderer->text);
if (gtk_renderer->extra_attrs)
attr_list = pango_attr_list_copy (gtk_renderer->extra_attrs);
else
attr_list = pango_attr_list_new ();
if (gtk_renderer->foreground_set)
{
PangoColor color;
color = gtk_renderer->foreground;
add_attr (attr_list, pango_attr_foreground_new (color.red,
color.green, color.blue));
}
if (gtk_renderer->strikethrough_set)
add_attr (attr_list,
pango_attr_strikethrough_new (gtk_renderer->strikethrough));
mask = pango_font_description_get_set_fields (gtk_renderer->font);
if (mask & PANGO_FONT_MASK_FAMILY)
add_attr (attr_list,
pango_attr_family_new (pango_font_description_get_family (gtk_renderer->font)));
if (mask & PANGO_FONT_MASK_STYLE)
add_attr (attr_list, pango_attr_style_new (pango_font_description_get_style (gtk_renderer->font)));
if (mask & PANGO_FONT_MASK_VARIANT)
add_attr (attr_list, pango_attr_variant_new (pango_font_description_get_variant (gtk_renderer->font)));
if (mask & PANGO_FONT_MASK_WEIGHT)
add_attr (attr_list, pango_attr_weight_new (pango_font_description_get_weight (gtk_renderer->font)));
if (mask & PANGO_FONT_MASK_STRETCH)
add_attr (attr_list, pango_attr_stretch_new (pango_font_description_get_stretch (gtk_renderer->font)));
if (mask & PANGO_FONT_MASK_SIZE)
add_attr (attr_list, pango_attr_size_new (pango_font_description_get_size (gtk_renderer->font)));
if (gtk_renderer->scale_set &&
gtk_renderer->font_scale != 1.0)
add_attr (attr_list, pango_attr_scale_new (gtk_renderer->font_scale));
if (gtk_renderer->underline_set)
uline = gtk_renderer->underline_style;
else
uline = PANGO_UNDERLINE_NONE;
if (uline != PANGO_UNDERLINE_NONE)
add_attr (attr_list,
pango_attr_underline_new (gtk_renderer->underline_style));
if (gtk_renderer->rise_set)
add_attr (attr_list, pango_attr_rise_new (gtk_renderer->rise));
pango_layout_set_attributes (layout, attr_list);
pango_layout_set_width (layout, -1);
pango_attr_list_unref (attr_list);
return layout;
}
static void
decorate_text (GimpAboutDialog *dialog,
gint anim_type,
gdouble time)
{
GtkStyle *style = gtk_widget_get_style (dialog->anim_area);
const gchar *text;
const gchar *ptr;
gint letter_count = 0;
gint text_length = 0;
gint text_bytelen = 0;
gint cluster_start, cluster_end;
gunichar unichr;
PangoAttrList *attrlist = NULL;
PangoAttribute *attr;
PangoRectangle irect = {0, 0, 0, 0};
PangoRectangle lrect = {0, 0, 0, 0};
GdkColor mix;
mix_colors (style->bg + GTK_STATE_NORMAL,
style->fg + GTK_STATE_NORMAL, &mix, time);
text = pango_layout_get_text (dialog->layout);
g_return_if_fail (text != NULL);
text_length = g_utf8_strlen (text, -1);
text_bytelen = strlen (text);
attrlist = pango_attr_list_new ();
dialog->textrange[0] = 0;
dialog->textrange[1] = text_bytelen;
switch (anim_type)
{
case 0: /* Fade in */
attr = pango_attr_foreground_new (mix.red, mix.green, mix.blue);
attr->start_index = 0;
attr->end_index = text_bytelen;
pango_attr_list_insert (attrlist, attr);
break;
case 1: /* Fade in, spread */
attr = pango_attr_foreground_new (mix.red, mix.green, mix.blue);
attr->start_index = 0;
attr->end_index = text_bytelen;
pango_attr_list_change (attrlist, attr);
ptr = text;
cluster_start = 0;
while ((unichr = g_utf8_get_char (ptr)))
{
ptr = g_utf8_next_char (ptr);
cluster_end = (ptr - text);
if (unichr == 0x200b)
{
lrect.width = (1.0 - time) * 15.0 * PANGO_SCALE + 0.5;
attr = pango_attr_shape_new (&irect, &lrect);
attr->start_index = cluster_start;
attr->end_index = cluster_end;
pango_attr_list_change (attrlist, attr);
}
cluster_start = cluster_end;
}
break;
case 2: /* Fade in, sinewave */
attr = pango_attr_foreground_new (mix.red, mix.green, mix.blue);
attr->start_index = 0;
attr->end_index = text_bytelen;
pango_attr_list_change (attrlist, attr);
ptr = text;
cluster_start = 0;
while ((unichr = g_utf8_get_char (ptr)))
{
if (unichr == 0x200b)
{
cluster_end = ptr - text;
attr = pango_attr_rise_new ((1.0 -time) * 18000 *
sin (4.0 * time +
(float) letter_count * 0.7));
attr->start_index = cluster_start;
attr->end_index = cluster_end;
pango_attr_list_change (attrlist, attr);
letter_count++;
cluster_start = cluster_end;
}
ptr = g_utf8_next_char (ptr);
}
break;
case 3: /* letterwise Fade in */
ptr = text;
letter_count = 0;
cluster_start = 0;
while ((unichr = g_utf8_get_char (ptr)))
{
gint border = (text_length + 15) * time - 15;
gdouble pos;
if (letter_count < border)
pos = 0;
else if (letter_count > border + 15)
pos = 1;
else
pos = ((gdouble) (letter_count - border)) / 15;
mix_colors (style->fg + GTK_STATE_NORMAL,
style->bg + GTK_STATE_NORMAL,
&mix, pos);
ptr = g_utf8_next_char (ptr);
cluster_end = ptr - text;
attr = pango_attr_foreground_new (mix.red, mix.green, mix.blue);
attr->start_index = cluster_start;
attr->end_index = cluster_end;
pango_attr_list_change (attrlist, attr);
if (pos < 1.0)
dialog->textrange[1] = cluster_end;
letter_count++;
cluster_start = cluster_end;
}
break;
default:
g_printerr ("Unknown animation type %d\n", anim_type);
}
pango_layout_set_attributes (dialog->layout, attrlist);
pango_attr_list_unref (attrlist);
}
static PangoAttrList*
hildon_font_selection_dialog_create_attrlist (HildonFontSelectionDialog *fontsel,
guint start_index,
guint len)
{
PangoAttrList *list;
PangoAttribute *attr;
gint size, position;
gboolean family_set, size_set, color_set, bold, bold_set,
italic, italic_set, underline, underline_set,
strikethrough, strikethrough_set, position_set;
GdkColor *color = NULL;
gchar *family = NULL;
gdouble font_scaling = 1.0;
list = pango_attr_list_new ();
g_object_get (G_OBJECT (fontsel),
"family", &family, "family-set", &family_set,
"size", &size, "size-set", &size_set,
"color", &color, "color-set", &color_set,
"bold", &bold, "bold-set", &bold_set,
"italic", &italic, "italic-set", &italic_set,
"underline", &underline, "underline-set", &underline_set,
"strikethrough", &strikethrough, "strikethrough-set",
&strikethrough_set, "position", &position,
"position-set", &position_set,
"font-scaling", &font_scaling,
NULL);
/* family */
if (family_set)
{
attr = pango_attr_family_new (family);
add_preview_text_attr (list, attr, start_index, len);
}
g_free (family);
/* size */
if (size_set)
{
attr = pango_attr_size_new (size * PANGO_SCALE);
add_preview_text_attr (list, attr, start_index, len);
}
/*color*/
if (color_set)
{
attr = pango_attr_foreground_new (color->red, color->green, color->blue);
add_preview_text_attr (list, attr, start_index, len);
}
if (color != NULL)
gdk_color_free (color);
/*weight*/
if (bold_set)
{
if (bold)
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
else
attr = pango_attr_weight_new (PANGO_WEIGHT_NORMAL);
add_preview_text_attr(list, attr, start_index, len);
}
/* style */
if (italic_set)
{
if (italic)
attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
else
attr = pango_attr_style_new (PANGO_STYLE_NORMAL);
add_preview_text_attr(list, attr, start_index, len);
}
/* underline */
if (underline_set)
{
if (underline)
attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
else
attr = pango_attr_underline_new (PANGO_UNDERLINE_NONE);
add_preview_text_attr(list, attr, start_index, len);
}
/* strikethrough */
if (strikethrough_set)
{
if (strikethrough)
attr = pango_attr_strikethrough_new (TRUE);
else
attr = pango_attr_strikethrough_new (FALSE);
add_preview_text_attr(list, attr, start_index, len);
}
/* position */
if (position_set)
{
switch (position)
{
case 1: /*super*/
attr = pango_attr_rise_new (SUPERSCRIPT_RISE);
break;
case -1: /*sub*/
attr = pango_attr_rise_new (SUBSCRIPT_LOW);
break;
default: /*normal*/
attr = pango_attr_rise_new (0);
break;
}
add_preview_text_attr (list, attr, start_index, len);
}
/* font scaling for preview */
if (font_scaling)
{
attr = pango_attr_scale_new(font_scaling);
add_preview_text_attr(list, attr, 0, len + start_index);
}
return list;
}
static gboolean
span_parse_func (MarkupData *md,
OpenTag *tag,
const gchar **names,
const gchar **values,
GMarkupParseContext *context,
GError **error)
{
int line_number, char_number;
int i;
const char *family = NULL;
const char *size = NULL;
const char *style = NULL;
const char *weight = NULL;
const char *variant = NULL;
const char *stretch = NULL;
const char *desc = NULL;
const char *foreground = NULL;
const char *background = NULL;
const char *underline = NULL;
const char *underline_color = NULL;
const char *strikethrough = NULL;
const char *strikethrough_color = NULL;
const char *rise = NULL;
const char *letter_spacing = NULL;
const char *lang = NULL;
const char *fallback = NULL;
const char *gravity = NULL;
const char *gravity_hint = NULL;
g_markup_parse_context_get_position (context,
&line_number, &char_number);
#define CHECK_DUPLICATE(var) G_STMT_START{ \
if ((var) != NULL) { \
g_set_error (error, G_MARKUP_ERROR, \
G_MARKUP_ERROR_INVALID_CONTENT, \
_("Attribute '%s' occurs twice on <span> tag " \
"on line %d char %d, may only occur once"), \
names[i], line_number, char_number); \
return FALSE; \
}}G_STMT_END
#define CHECK_ATTRIBUTE2(var, name) \
if (attr_strcmp (names[i], (name)) == 0) { \
CHECK_DUPLICATE (var); \
(var) = values[i]; \
found = TRUE; \
break; \
}
#define CHECK_ATTRIBUTE(var) CHECK_ATTRIBUTE2 (var, G_STRINGIFY (var))
i = 0;
while (names[i])
{
gboolean found = FALSE;
switch (names[i][0]) {
case 'f':
CHECK_ATTRIBUTE (fallback);
CHECK_ATTRIBUTE2(desc, "font");
CHECK_ATTRIBUTE2(desc, "font_desc");
CHECK_ATTRIBUTE2(family, "face");
CHECK_ATTRIBUTE2(family, "font_family");
CHECK_ATTRIBUTE2(size, "font_size");
CHECK_ATTRIBUTE2(stretch, "font_stretch");
CHECK_ATTRIBUTE2(style, "font_style");
CHECK_ATTRIBUTE2(variant, "font_variant");
CHECK_ATTRIBUTE2(weight, "font_weight");
CHECK_ATTRIBUTE (foreground);
CHECK_ATTRIBUTE2 (foreground, "fgcolor");
break;
case 's':
CHECK_ATTRIBUTE (size);
CHECK_ATTRIBUTE (stretch);
CHECK_ATTRIBUTE (strikethrough);
CHECK_ATTRIBUTE (strikethrough_color);
CHECK_ATTRIBUTE (style);
break;
case 'g':
CHECK_ATTRIBUTE (gravity);
CHECK_ATTRIBUTE (gravity_hint);
break;
case 'l':
CHECK_ATTRIBUTE (lang);
CHECK_ATTRIBUTE (letter_spacing);
break;
case 'u':
CHECK_ATTRIBUTE (underline);
CHECK_ATTRIBUTE (underline_color);
break;
default:
CHECK_ATTRIBUTE (background);
CHECK_ATTRIBUTE2 (background, "bgcolor");
CHECK_ATTRIBUTE2(foreground, "color");
CHECK_ATTRIBUTE (rise);
CHECK_ATTRIBUTE (variant);
CHECK_ATTRIBUTE (weight);
break;
}
if (!found)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
_("Attribute '%s' is not allowed on the <span> tag "
"on line %d char %d"),
names[i], line_number, char_number);
return FALSE;
}
++i;
}
/* Parse desc first, then modify it with other font-related attributes. */
if (G_UNLIKELY (desc))
{
PangoFontDescription *parsed;
parsed = pango_font_description_from_string (desc);
if (parsed)
{
add_attribute (tag, pango_attr_font_desc_new (parsed));
if (tag)
open_tag_set_absolute_font_size (tag, pango_font_description_get_size (parsed));
pango_font_description_free (parsed);
}
}
if (G_UNLIKELY (family))
{
add_attribute (tag, pango_attr_family_new (family));
}
if (G_UNLIKELY (size))
{
if (g_ascii_isdigit (*size))
{
const char *end;
gint n;
/* cap size from the top at an arbitrary 2048 */
#define MAX_SIZE (2048 * PANGO_SCALE)
if ((end = size, !pango_scan_int (&end, &n)) || *end != '\0' || n < 0 || n > MAX_SIZE)
{
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Value of 'size' attribute on <span> tag on line %d "
"could not be parsed; should be an integer less than %d, or a "
"string such as 'small', not '%s'"),
line_number, MAX_SIZE+1, size);
goto error;
}
add_attribute (tag, pango_attr_size_new (n));
if (tag)
open_tag_set_absolute_font_size (tag, n);
}
else if (strcmp (size, "smaller") == 0)
{
if (tag)
{
tag->scale_level_delta -= 1;
tag->scale_level -= 1;
}
}
else if (strcmp (size, "larger") == 0)
{
if (tag)
{
tag->scale_level_delta += 1;
tag->scale_level += 1;
}
}
else if (parse_absolute_size (tag, size))
; /* nothing */
else
{
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Value of 'size' attribute on <span> tag on line %d "
"could not be parsed; should be an integer, or a "
"string such as 'small', not '%s'"),
line_number, size);
goto error;
}
}
if (G_UNLIKELY (style))
{
PangoStyle pango_style;
if (pango_parse_style (style, &pango_style, FALSE))
add_attribute (tag, pango_attr_style_new (pango_style));
else
{
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("'%s' is not a valid value for the 'style' attribute "
"on <span> tag, line %d; valid values are "
"'normal', 'oblique', 'italic'"),
style, line_number);
goto error;
}
}
if (G_UNLIKELY (weight))
{
PangoWeight pango_weight;
if (pango_parse_weight (weight, &pango_weight, FALSE))
add_attribute (tag,
pango_attr_weight_new (pango_weight));
else
{
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("'%s' is not a valid value for the 'weight' "
"attribute on <span> tag, line %d; valid "
"values are for example 'light', 'ultrabold' or a number"),
weight, line_number);
goto error;
}
}
if (G_UNLIKELY (variant))
{
PangoVariant pango_variant;
if (pango_parse_variant (variant, &pango_variant, FALSE))
add_attribute (tag, pango_attr_variant_new (pango_variant));
else
{
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("'%s' is not a valid value for the 'variant' "
"attribute on <span> tag, line %d; valid values are "
"'normal', 'smallcaps'"),
variant, line_number);
goto error;
}
}
if (G_UNLIKELY (stretch))
{
PangoStretch pango_stretch;
if (pango_parse_stretch (stretch, &pango_stretch, FALSE))
add_attribute (tag, pango_attr_stretch_new (pango_stretch));
else
{
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("'%s' is not a valid value for the 'stretch' "
"attribute on <span> tag, line %d; valid "
"values are for example 'condensed', "
"'ultraexpanded', 'normal'"),
stretch, line_number);
goto error;
}
}
if (G_UNLIKELY (foreground))
{
PangoColor color;
if (!span_parse_color ("foreground", foreground, &color, line_number, error))
goto error;
add_attribute (tag, pango_attr_foreground_new (color.red, color.green, color.blue));
}
if (G_UNLIKELY (background))
{
PangoColor color;
if (!span_parse_color ("background", background, &color, line_number, error))
goto error;
add_attribute (tag, pango_attr_background_new (color.red, color.green, color.blue));
}
if (G_UNLIKELY (underline))
{
PangoUnderline ul = PANGO_UNDERLINE_NONE;
if (!span_parse_enum ("underline", underline, PANGO_TYPE_UNDERLINE, &ul, line_number, error))
goto error;
add_attribute (tag, pango_attr_underline_new (ul));
}
if (G_UNLIKELY (underline_color))
{
PangoColor color;
if (!span_parse_color ("underline_color", underline_color, &color, line_number, error))
goto error;
add_attribute (tag, pango_attr_underline_color_new (color.red, color.green, color.blue));
}
if (G_UNLIKELY (gravity))
{
PangoGravity gr = PANGO_GRAVITY_SOUTH;
if (!span_parse_enum ("gravity", gravity, PANGO_TYPE_GRAVITY, &gr, line_number, error))
goto error;
add_attribute (tag, pango_attr_gravity_new (gr));
}
if (G_UNLIKELY (gravity_hint))
{
PangoGravityHint hint = PANGO_GRAVITY_HINT_NATURAL;
if (!span_parse_enum ("gravity_hint", gravity_hint, PANGO_TYPE_GRAVITY_HINT, &hint, line_number, error))
goto error;
add_attribute (tag, pango_attr_gravity_hint_new (hint));
}
if (G_UNLIKELY (strikethrough))
{
gboolean b = FALSE;
if (!span_parse_boolean ("strikethrough", strikethrough, &b, line_number, error))
goto error;
add_attribute (tag, pango_attr_strikethrough_new (b));
}
if (G_UNLIKELY (strikethrough_color))
{
PangoColor color;
if (!span_parse_color ("strikethrough_color", strikethrough_color, &color, line_number, error))
goto error;
add_attribute (tag, pango_attr_strikethrough_color_new (color.red, color.green, color.blue));
}
if (G_UNLIKELY (fallback))
{
gboolean b = FALSE;
if (!span_parse_boolean ("fallback", fallback, &b, line_number, error))
goto error;
add_attribute (tag, pango_attr_fallback_new (b));
}
if (G_UNLIKELY (rise))
{
gint n = 0;
if (!span_parse_int ("rise", rise, &n, line_number, error))
goto error;
add_attribute (tag, pango_attr_rise_new (n));
}
if (G_UNLIKELY (letter_spacing))
{
gint n = 0;
if (!span_parse_int ("letter_spacing", letter_spacing, &n, line_number, error))
goto error;
add_attribute (tag, pango_attr_letter_spacing_new (n));
}
if (G_UNLIKELY (lang))
{
add_attribute (tag,
pango_attr_language_new (pango_language_from_string (lang)));
}
return TRUE;
error:
return FALSE;
}
