public int cvt_units(css_length val, int fontSize, int size = 0)
{
if (val.is_predefined)
{
return(0);
}
var ret = 0;
switch (val.units)
{
case css_units.percentage: ret = val.calc_percent(size); break;
case css_units.em: ret = (int)Math.Round(val.val * fontSize); val.set_value(ret, css_units.px); break;
case css_units.pt: ret = _container.pt_to_px((int)val.val); val.set_value(ret, css_units.px); break;
case css_units.@in: ret = _container.pt_to_px((int)(val.val * 72)); val.set_value(ret, css_units.px); break;
case css_units.cm: ret = _container.pt_to_px((int)(val.val * 0.3937 * 72)); val.set_value(ret, css_units.px); break;
case css_units.mm: ret = _container.pt_to_px((int)(val.val * 0.3937 * 72) / 10); val.set_value(ret, css_units.px); break;
case css_units.vw: ret = (int)(_media.width * (double)val.val / 100.0); break;
case css_units.vh: ret = (int)(_media.height * (double)val.val / 100.0); break;
case css_units.vmin: ret = (int)(Math.Min(_media.height, _media.width) * (double)val.val / 100.0); break;
case css_units.vmax: ret = (int)(Math.Max(_media.height, _media.width) * (double)val.val / 100.0); break;
default: ret = (int)val.val; break;
}
return(ret);
}
public table_column(table_column val)
{
left = val.left;
right = val.right;
border_left = val.border_left;
border_right = val.border_right;
max_width = val.max_width;
min_width = val.min_width;
width = val.width;
css_width = val.css_width;
}
public table_row(table_row val)
{
min_height = val.min_height;
top = val.top;
bottom = val.bottom;
border_bottom = val.border_bottom;
border_top = val.border_top;
height = val.height;
css_height = val.css_height;
el_row = val.el_row;
}
public void CssLengthParseTest()
{
var length = new css_length();
length.fromString("calc(todo)"); Assert.AreEqual(length.is_predefined, true); Assert.AreEqual(length.predef, 0); Assert.AreEqual(length.val, 0); Assert.AreEqual(length.units, css_units.none);
length.fromString("top", "top;bottom", -1); Assert.AreEqual(length.is_predefined, true); Assert.AreEqual(length.predef, 0); Assert.AreEqual(length.val, 0); Assert.AreEqual(length.units, css_units.none);
length.fromString("bottom", "top;bottom", -1); Assert.AreEqual(length.is_predefined, true); Assert.AreEqual(length.predef, 1); Assert.AreEqual(length.val, 0); Assert.AreEqual(length.units, css_units.none);
length.fromString("bad", "top;bottom", -1); Assert.AreEqual(length.is_predefined, true); Assert.AreEqual(length.predef, -1); Assert.AreEqual(length.val, 0); Assert.AreEqual(length.units, css_units.none);
length.fromString("123", "top;bottom", -1); Assert.AreEqual(length.is_predefined, false); Assert.AreEqual(length.predef, 0); Assert.AreEqual(length.val, 123); Assert.AreEqual(length.units, css_units.none);
length.fromString("123px", "top;bottom", -1); Assert.AreEqual(length.is_predefined, false); Assert.AreEqual(length.predef, 0); Assert.AreEqual(length.val, 123); Assert.AreEqual(length.units, css_units.px);
}
public css_length(css_length val)
{
if (val.is_predefined)
{
_value = 0; _predef = val._predef;
}
else
{
_value = val._value; _predef = 0;
}
_units = val._units;
_is_predefined = val._is_predefined;
}
public table_row(int h, element row)
{
min_height = 0;
height = h;
el_row = row;
border_bottom = 0;
border_top = 0;
top = 0;
bottom = 0;
if (row != null)
{
css_height = row.get_css_height();
}
}
public int cvt_units(string str, int fontSize, out bool is_percent)
{
is_percent = false;
if (str == null)
{
return(0);
}
var val = new css_length();
val.fromString(str);
if (is_percent && val.units == css_units.percentage && !val.is_predefined)
{
is_percent = true;
}
return(cvt_units(val, fontSize));
}
public void CvtUnitsTest()
{
var doc = new document(new container_test(), null);
doc.cvt_units("", 10, out var is_percent);
var c = new css_length();
c.fromString("10%"); doc.cvt_units(c, 10, 100);
c.fromString("10em"); doc.cvt_units(c, 10, 100);
c.fromString("10pt"); doc.cvt_units(c, 10, 100);
c.fromString("10in"); doc.cvt_units(c, 10, 100);
c.fromString("10cm"); doc.cvt_units(c, 10, 100);
c.fromString("10mm"); doc.cvt_units(c, 10, 100);
c.fromString("10vm"); doc.cvt_units(c, 10, 100);
c.fromString("10vh"); doc.cvt_units(c, 10, 100);
c.fromString("10vmin"); doc.cvt_units(c, 10, 100);
c.fromString("10vmax"); doc.cvt_units(c, 10, 100);
c.fromString("10"); doc.cvt_units(c, 10, 100);
}
public int calc_table_width(int block_width, bool is_auto, int min_table_width, int max_table_width)
{
min_table_width = 0; // MIN
max_table_width = 0; // MAX
var cur_width = 0;
var max_w = 0;
var min_w = 0;
for (var col = 0; col < _cols_count; col++)
{
min_table_width += _columns[col].min_width;
max_table_width += _columns[col].max_width;
if (!_columns[col].css_width.is_predefined)
{
_columns[col].width = _columns[col].css_width.calc_percent(block_width);
_columns[col].width = Math.Max(_columns[col].width, _columns[col].min_width);
}
else
{
_columns[col].width = _columns[col].min_width;
max_w += _columns[col].max_width;
min_w += _columns[col].min_width;
}
cur_width += _columns[col].width;
}
if (cur_width == block_width)
{
return(cur_width);
}
if (cur_width < block_width)
{
if (cur_width - min_w + max_w <= block_width)
{
cur_width = 0;
for (var col = 0; col < _cols_count; col++)
{
if (_columns[col].css_width.is_predefined)
{
_columns[col].width = _columns[col].max_width;
}
cur_width += _columns[col].width;
}
if (cur_width == block_width || is_auto)
{
return(cur_width);
}
}
distribute_width(block_width - cur_width, 0, _cols_count - 1);
cur_width = 0;
for (var col = 0; col < _cols_count; col++)
{
cur_width += _columns[col].width;
}
}
else
{
var fixed_width = 0;
var percent = 0F;
for (int col = 0; col < _cols_count; col++)
{
if (!_columns[col].css_width.is_predefined && _columns[col].css_width.units == css_units.percentage)
{
percent += _columns[col].css_width.val;
}
else
{
fixed_width += _columns[col].width;
}
}
var scale = (float)(100.0 / percent);
cur_width = 0;
for (var col = 0; col < _cols_count; col++)
{
if (!_columns[col].css_width.is_predefined && _columns[col].css_width.units == css_units.percentage)
{
var w = new css_length();
w.set_value(_columns[col].css_width.val * scale, css_units.percentage);
_columns[col].width = w.calc_percent(block_width - fixed_width);
if (_columns[col].width < _columns[col].min_width)
{
_columns[col].width = _columns[col].min_width;
}
}
cur_width += _columns[col].width;
}
}
return(cur_width);
}
public static media_query create_from_string(string str, document doc)
{
var query = new media_query();
var tokens = new List <string>();
html.split_string(str, tokens, " \t\r\n", "", "(");
for (var i = 0; i < tokens.Count; i++)
{
var tok = tokens[i];
if (tok == "not")
{
query._not = true;
}
else if (tok[0] == '(')
{
tok = tok.Substring(1);
if (tok[tok.Length - 1] == ')')
{
tok = tok.Remove(tok.Length - 1, 1);
}
var expr = new media_query_expression();
var expr_tokens = new List <string>();
html.split_string(tok, expr_tokens, ":");
if (expr_tokens.Count != 0)
{
expr_tokens[0] = expr_tokens[0].Trim();
expr.feature = (media_feature)html.value_index(expr_tokens[0], types.media_feature_strings, (int)media_feature.none);
if (expr.feature != media_feature.none)
{
if (expr_tokens.Count == 1)
{
expr.check_as_bool = true;
}
else
{
expr_tokens[1] = expr_tokens[1].Trim();
expr.check_as_bool = false;
if (expr.feature == media_feature.orientation)
{
expr.val = html.value_index(expr_tokens[1], types.media_orientation_strings, (int)media_orientation.landscape);
}
else
{
var slash_pos = expr_tokens[1].IndexOf('/');
if (slash_pos != -1)
{
var val1 = expr_tokens[1].Substring(0, slash_pos).Trim();
var val2 = expr_tokens[1].Substring(slash_pos + 1).Trim();
expr.val = int.TryParse(val1, out var v) ? v : 0;
expr.val2 = int.TryParse(val2, out v) ? v : 0;
}
else
{
var length = new css_length();
length.fromString(expr_tokens[1]);
if (length.units == css_units.dpcm)
{
expr.val = (int)(length.val * 2.54);
}
else if (length.units == css_units.dpi)
{
expr.val = (int)(length.val * 2.54);
}
else
{
if (doc != null)
{
doc.cvt_units(length, doc.container.get_default_font_size());
}
expr.val = (int)length.val;
}
}
}
}
query._expressions.Add(expr);
}
}
}
else
{
query._media_type = (media_type)html.value_index(tok, types.media_type_strings, (int)media_type.all);
}
}
return(query);
}