static int
_rsvg_node_text_length_children (RsvgNode * self, RsvgDrawingCtx * ctx,
gdouble * x, gboolean * lastwasspace)
{
guint i;
int out = FALSE;
for (i = 0; i < self->children->len; i++) {
RsvgNode *node = g_ptr_array_index (self->children, i);
rsvg_state_push (ctx);
rsvg_state_reinherit_top (ctx, node->state, 0);
if (!strcmp (node->type->str, "RSVG_NODE_CHARS")) {
RsvgNodeChars *chars = (RsvgNodeChars *) node;
GString *str = _rsvg_text_chomp (rsvg_current_state (ctx), chars->contents, lastwasspace);
*x += rsvg_text_length_text_as_string (ctx, str->str);
g_string_free (str, TRUE);
} else if (!strcmp (node->type->str, "tspan")) {
RsvgNodeText *tspan = (RsvgNodeText *) node;
out = _rsvg_node_text_length_tspan (tspan, ctx, x, lastwasspace);
} else if (!strcmp (node->type->str, "tref")) {
RsvgNodeTref *tref = (RsvgNodeTref *) node;
out = _rsvg_node_text_length_tref (tref, ctx, x, lastwasspace);
}
rsvg_state_pop (ctx);
if (out)
break;
}
return out;
}
static void
_rsvg_node_text_type_children (RsvgNode * self, RsvgDrawingCtx * ctx,
gdouble * x, gdouble * y, gboolean * lastwasspace)
{
guint i;
rsvg_push_discrete_layer (ctx);
for (i = 0; i < self->children->len; i++) {
RsvgNode *node = g_ptr_array_index (self->children, i);
if (!strcmp (node->type->str, "RSVG_NODE_CHARS")) {
RsvgNodeChars *chars = (RsvgNodeChars *) node;
GString *str = _rsvg_text_chomp (rsvg_current_state (ctx), chars->contents, lastwasspace);
rsvg_text_render_text (ctx, str->str, x, y);
g_string_free (str, TRUE);
} else if (!strcmp (node->type->str, "tspan")) {
RsvgNodeText *tspan = (RsvgNodeText *) node;
rsvg_state_push (ctx);
_rsvg_node_text_type_tspan (tspan, ctx, x, y, lastwasspace);
rsvg_state_pop (ctx);
} else if (!strcmp (node->type->str, "tref")) {
RsvgNodeTref *tref = (RsvgNodeTref *) node;
_rsvg_node_text_type_tref (tref, ctx, x, y, lastwasspace);
}
}
rsvg_pop_discrete_layer (ctx);
}
static void
_rsvg_node_text_type_text_path (RsvgNodeTextPath * self, RsvgDrawingCtx * ctx,
gdouble * x, gdouble * y,
gboolean * lastwasspace, gboolean usetextonly)
{
if (self->link && self->link->type == RSVG_NODE_TYPE_PATH) {
guint i;
// Resolve the xlink:href id and get its cairo path object
cairo_path_t *path = ((RsvgNodePath *)self->link)->path;
// Get the cairo_t context
RsvgCairoRender *render = RSVG_CAIRO_RENDER (ctx->render);
cairo_t *cr = render->cr;
// Flatten path
cairo_save(cr);
cairo_new_path(cr);
cairo_append_path(cr, path);
path = cairo_copy_path_flat (cr);
cairo_restore(cr);
// TODO recursively draw children
rsvg_push_discrete_layer (ctx);
for (i = 0; i < self->super.children->len; i++) {
RsvgNode *node = g_ptr_array_index (self->super.children, i);
RsvgNodeType type = RSVG_NODE_TYPE (node);
if (type == RSVG_NODE_TYPE_CHARS) {
RsvgNodeChars *chars = (RsvgNodeChars *) node;
GString *str = _rsvg_text_chomp (rsvg_current_state (ctx), chars->contents, lastwasspace);
double offset = 0;
// Factor in start offset
// Handle percentages as percent of path length
if (self->startOffset.factor == 'p') {
offset = self->startOffset.length *_rsvg_path_length(path);
} else {
offset = _rsvg_css_normalize_length (&self->startOffset,
ctx, 'h');
}
if (PANGO_GRAVITY_IS_VERTICAL (rsvg_current_state(ctx)->text_gravity))
*y += offset;
else
*x += offset;
draw_twisted (ctx, cr, path, x, y, str->str);
g_string_free (str, TRUE);
}
}
rsvg_pop_discrete_layer (ctx);
cairo_path_destroy (path);
}
}
static int
_rsvg_node_text_length_children (RsvgNode * self, RsvgDrawingCtx * ctx,
gdouble * length, gboolean * lastwasspace,
gboolean usetextonly)
{
guint i;
int out = FALSE;
for (i = 0; i < self->children->len; i++) {
RsvgNode *node = g_ptr_array_index (self->children, i);
RsvgNodeType type = RSVG_NODE_TYPE (node);
rsvg_state_push (ctx);
rsvg_state_reinherit_top (ctx, node->state, 0);
if (type == RSVG_NODE_TYPE_CHARS) {
RsvgNodeChars *chars = (RsvgNodeChars *) node;
GString *str = _rsvg_text_chomp (rsvg_current_state (ctx), chars->contents, lastwasspace);
*length += rsvg_text_length_text_as_string (ctx, str->str);
g_string_free (str, TRUE);
} else {
if (usetextonly || type == RSVG_NODE_TYPE_TEXT_PATH) {
out = _rsvg_node_text_length_children(node, ctx, length,
lastwasspace,
usetextonly);
} else {
if (type == RSVG_NODE_TYPE_TSPAN) {
RsvgNodeText *tspan = (RsvgNodeText *) node;
out = _rsvg_node_text_length_tspan (tspan, ctx, length,
lastwasspace,
usetextonly);
} else if (type == RSVG_NODE_TYPE_TREF) {
RsvgNodeTref *tref = (RsvgNodeTref *) node;
out = _rsvg_node_text_length_tref (tref, ctx, length,
lastwasspace,
usetextonly);
}
}
}
rsvg_state_pop (ctx);
if (out)
break;
}
return out;
}
static void
_rsvg_node_text_type_children (RsvgNode * self, RsvgDrawingCtx * ctx,
gdouble * x, gdouble * y, gboolean * lastwasspace,
gboolean usetextonly)
{
guint i;
rsvg_push_discrete_layer (ctx);
for (i = 0; i < self->children->len; i++) {
RsvgNode *node = g_ptr_array_index (self->children, i);
RsvgNodeType type = RSVG_NODE_TYPE (node);
if (type == RSVG_NODE_TYPE_CHARS) {
RsvgNodeChars *chars = (RsvgNodeChars *) node;
GString *str = _rsvg_text_chomp (rsvg_current_state (ctx), chars->contents, lastwasspace);
rsvg_text_render_text (ctx, str->str, x, y);
g_string_free (str, TRUE);
} else {
if (usetextonly) {
_rsvg_node_text_type_children (node, ctx, x, y, lastwasspace,
usetextonly);
} else {
if (type == RSVG_NODE_TYPE_TSPAN) {
RsvgNodeText *tspan = (RsvgNodeText *) node;
rsvg_state_push (ctx);
_rsvg_node_text_type_tspan (tspan, ctx, x, y, lastwasspace,
usetextonly);
rsvg_state_pop (ctx);
} else if (type == RSVG_NODE_TYPE_TREF) {
RsvgNodeTref *tref = (RsvgNodeTref *) node;
_rsvg_node_text_type_tref (tref, ctx, x, y, lastwasspace,
usetextonly);
} else if (type == RSVG_NODE_TYPE_TEXT_PATH) {
RsvgNodeTextPath *textpath = (RsvgNodeTextPath *) node;
_rsvg_node_text_type_text_path(textpath, ctx, x, y,
lastwasspace, usetextonly);
}
}
}
}
rsvg_pop_discrete_layer (ctx);
}
/* TODO: renders each character individually */
static void _rsvg_node_text_path_type_children(RsvgNode * self,
RsvgNodePath * path,
RsvgDrawingCtx * ctx, gdouble * x, gdouble * y,
gboolean * lastwasspace, gboolean usetextonly)
{
int i;
rsvg_push_discrete_layer (ctx);
for (i = 0; i < self->children->len; i++) {
RsvgNode *node = g_ptr_array_index (self->children, i);
RsvgNodeType type = RSVG_NODE_TYPE (node);
if (type == RSVG_NODE_TYPE_CHARS) {
RsvgNodeChars *chars = (RsvgNodeChars *) node;
GString *str = _rsvg_text_chomp (rsvg_current_state (ctx), chars->contents, lastwasspace);
//draw_twisted (ctx, cr, path, x, y, str->str);
g_string_free (str, TRUE);
}
}
rsvg_pop_discrete_layer (ctx);
}
