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added support for the basic SVG shapes "polyline" and "polygon". 

2004-08-21  Sven Neumann  <sven@gimp.org>

	* app/vectors/gimpvectors-import.c: added support for the basic
	SVG shapes "polyline" and "polygon".
This commit is contained in:
Sven Neumann 2004-08-21 09:41:12 +00:00 committed by Sven Neumann
parent 905fcfd6b5
commit e63c6511fd
2 changed files with 105 additions and 15 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-08-21 Sven Neumann <sven@gimp.org>
* app/vectors/gimpvectors-import.c: added support for the basic
SVG shapes "polyline" and "polygon".
2004-08-21 Sven Neumann <sven@gimp.org>
* app/vectors/gimpvectors-import.c: added support for importing

115
app/vectors/gimpvectors-import.c
View File

@ -135,13 +135,19 @@ static void svg_handler_line_start (SvgHandler *handler,
const gchar **names,
const gchar **values,
SvgParser *parser);
static void svg_handler_poly_start (SvgHandler *handler,
const gchar **names,
const gchar **values,
SvgParser *parser);
static const SvgHandler svg_handlers[] =
{
{ "svg", svg_handler_svg_start, svg_handler_svg_end },
{ "g", svg_handler_group_start, NULL },
{ "path", svg_handler_path_start, NULL },
{ "line", svg_handler_line_start, NULL }
{ "svg", svg_handler_svg_start, svg_handler_svg_end },
{ "g", svg_handler_group_start, NULL },
{ "path", svg_handler_path_start, NULL },
{ "line", svg_handler_line_start, NULL },
{ "polyline", svg_handler_poly_start, NULL },
{ "polygon", svg_handler_poly_start, NULL }
};
@ -633,6 +639,84 @@ svg_handler_line_start (SvgHandler *handler,
handler->paths = g_list_prepend (handler->paths, path);
}
static void
svg_handler_poly_start (SvgHandler *handler,
const gchar **names,
const gchar **values,
SvgParser *parser)
{
SvgPath *path = g_new0 (SvgPath, 1);
GString *points = NULL;
while (*names)
{
if (strcmp (*names, "id") == 0 && !path->id)
{
path->id = g_strdup (*values);
}
else if (strcmp (*names, "points") == 0 && !points)
{
const gchar *p = *values;
const gchar *m = NULL;
const gchar *l = NULL;
gint n = 0;
while (*p)
{
while (g_ascii_isspace (*p) || *p == ',')
p++;
switch (n)
{
case 0:
m = p;
break;
case 2:
l = p;
break;
}
while (*p && !g_ascii_isspace (*p) && *p != ',')
p++;
n++;
}
if ((n > 3) && (n % 2 == 0))
{
points = g_string_sized_new (p - *values + 6);
g_string_append_len (points, "M ", 2);
g_string_append_len (points, m, l - m);
g_string_append_len (points, "L ", 2);
g_string_append_len (points, l, p - l);
if (strcmp (handler->name, "polygon") == 0)
g_string_append_c (points, 'Z');
}
}
else if (strcmp (*names, "transform") == 0 && !handler->transform)
{
GimpMatrix3 matrix;
if (parse_svg_transform (*values, &matrix))
handler->transform = g_memdup (&matrix, sizeof (GimpMatrix3));
}
names++;
values++;
}
if (points)
{
path->strokes = parse_path_data (points->str);
g_string_free (points, TRUE);
}
handler->paths = g_list_prepend (handler->paths, path);
}
static gboolean
parse_svg_length (const gchar *value,
gdouble reference,
@ -946,17 +1030,18 @@ static GList *
parse_path_data (const gchar *data)
{
ParsePathContext ctx;
gboolean in_num = FALSE;
gboolean in_frac = FALSE;
gboolean in_exp = FALSE;
gboolean exp_wait_sign = FALSE;
gdouble val = 0.0;
gchar c = 0;
gint sign = 0;
gint exp = 0;
gint exp_sign = 0;
gdouble frac = 0.0;
gint i;
gboolean in_num = FALSE;
gboolean in_frac = FALSE;
gboolean in_exp = FALSE;
gboolean exp_wait_sign = FALSE;
gdouble val = 0.0;
gchar c = 0;
gint sign = 0;
gint exp = 0;
gint exp_sign = 0;
gdouble frac = 0.0;
gint i;
memset (&ctx, 0, sizeof (ParsePathContext));