C++ (Cpp) gimp_text_tag_get_size示例

示例#1

文件： gimptextstyleeditor.c 项目： DevMaggio/gimp

static void
gimp_text_style_editor_set_size (GimpTextStyleEditor *editor,
                                 GtkTextTag          *size_tag)
{
  gint    size = 0;
  gdouble pixels;

  if (size_tag)
    size = gimp_text_tag_get_size (size_tag);

  g_signal_handlers_block_by_func (editor->size_entry,
                                   gimp_text_style_editor_size_changed,
                                   editor);

  pixels = gimp_units_to_pixels ((gdouble) size / PANGO_SCALE,
                                 GIMP_UNIT_POINT,
                                 editor->resolution_y);
  gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (editor->size_entry), 0, pixels);

  if (size == 0)
    {
      GtkWidget *spinbutton;

      spinbutton = gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (editor->size_entry), 0);

      gtk_entry_set_text (GTK_ENTRY (spinbutton), "");
    }

  g_signal_handlers_unblock_by_func (editor->size_entry,
                                     gimp_text_style_editor_size_changed,
                                     editor);
}

示例#2

GtkTextTag *
gimp_text_buffer_get_iter_size (GimpTextBuffer    *buffer,
                                const GtkTextIter *iter,
                                gint              *size)
{
  GList *list;

  for (list = buffer->size_tags; list; list = g_list_next (list))
    {
      GtkTextTag *tag = list->data;

      if (gtk_text_iter_has_tag (iter, tag))
        {
          if (size)
            *size = gimp_text_tag_get_size (tag);

          return tag;
        }
    }

  if (size)
    *size = 0;

  return NULL;
}

示例#3

GtkTextTag *
gimp_text_buffer_get_size_tag (GimpTextBuffer *buffer,
                               gint            size)
{
  GList      *list;
  GtkTextTag *tag;
  gchar       name[32];

  for (list = buffer->size_tags; list; list = g_list_next (list))
    {
      tag = list->data;

      if (size == gimp_text_tag_get_size (tag))
        return tag;
    }

  g_snprintf (name, sizeof (name), "size-%d", size);

  tag = gtk_text_buffer_create_tag (GTK_TEXT_BUFFER (buffer),
                                    name,
                                    GIMP_TEXT_PROP_NAME_SIZE, size,
                                    NULL);

  buffer->size_tags = g_list_prepend (buffer->size_tags, tag);

  return tag;
}

示例#4

const gchar *
gimp_text_buffer_tag_to_name (GimpTextBuffer  *buffer,
                              GtkTextTag      *tag,
                              const gchar    **attribute,
                              gchar          **value)
{
  g_return_val_if_fail (GIMP_IS_TEXT_BUFFER (buffer), NULL);
  g_return_val_if_fail (GTK_IS_TEXT_TAG (tag), NULL);

  if (attribute)
    *attribute = NULL;

  if (value)
    *value = NULL;

  if (tag == buffer->bold_tag)
    {
      return "b";
    }
  else if (tag == buffer->italic_tag)
    {
      return "i";
    }
  else if (tag == buffer->underline_tag)
    {
      return "u";
    }
  else if (tag == buffer->strikethrough_tag)
    {
      return "s";
    }
  else if (g_list_find (buffer->size_tags, tag))
    {
      if (attribute)
        *attribute = GIMP_TEXT_ATTR_NAME_SIZE;

      if (value)
        *value = g_strdup_printf ("%d", gimp_text_tag_get_size (tag));

      return "span";
    }
  else if (g_list_find (buffer->baseline_tags, tag))
    {
      if (attribute)
        *attribute = GIMP_TEXT_ATTR_NAME_BASELINE;

      if (value)
        *value = g_strdup_printf ("%d", gimp_text_tag_get_baseline (tag));

      return "span";
    }
  else if (g_list_find (buffer->kerning_tags, tag))
    {
      if (attribute)
        *attribute = GIMP_TEXT_ATTR_NAME_KERNING;

      if (value)
        *value = g_strdup_printf ("%d", gimp_text_tag_get_kerning (tag));

      return "span";
    }
  else if (g_list_find (buffer->font_tags, tag))
    {
      if (attribute)
        *attribute = GIMP_TEXT_ATTR_NAME_FONT;

      if (value)
        *value = gimp_text_tag_get_font (tag);

      return "span";
    }
  else if (g_list_find (buffer->color_tags, tag))
    {
      if (attribute)
        *attribute = GIMP_TEXT_ATTR_NAME_COLOR;

      if (value)
        {
          GimpRGB color;
          guchar  r, g, b;

          gimp_text_tag_get_color (tag, &color);
          gimp_rgb_get_uchar (&color, &r, &g, &b);

          *value = g_strdup_printf ("#%02x%02x%02x", r, g, b);
        }

      return "span";
    }

  return NULL;
}