static void
rsvg_cairo_render_free (RsvgRender * self)
{
RsvgCairoRender *me = RSVG_CAIRO_RENDER (self);
/* TODO */
g_free (me);
}
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);
}
}
void
rsvg_cairo_clip (RsvgDrawingCtx * ctx, RsvgClipPath * clip, RsvgBbox * bbox)
{
RsvgCairoClipRender *clip_render;
RsvgCairoRender *save = RSVG_CAIRO_RENDER (ctx->render);
cairo_t *cr;
cairo_matrix_t affinesave;
cr = save->cr;
clip_render = RSVG_CAIRO_CLIP_RENDER (rsvg_cairo_clip_render_new (cr, save));
ctx->render = &clip_render->super.super;
/* Horribly dirty hack to have the bbox premultiplied to everything */
if (clip->units == objectBoundingBox) {
cairo_matrix_t bbtransform;
cairo_matrix_init (&bbtransform,
bbox->rect.width,
0,
0,
bbox->rect.height,
bbox->rect.x,
bbox->rect.y);
affinesave = clip->super.state->affine;
cairo_matrix_multiply (&clip->super.state->affine, &bbtransform, &clip->super.state->affine);
}
rsvg_state_push (ctx);
_rsvg_node_draw_children ((RsvgNode *) clip, ctx, 0);
rsvg_state_pop (ctx);
if (clip->units == objectBoundingBox)
clip->super.state->affine = affinesave;
g_assert (clip_render->super.cr_stack == NULL);
g_assert (clip_render->super.bb_stack == NULL);
g_assert (clip_render->super.surfaces_stack == NULL);
g_free (ctx->render);
cairo_clip (cr);
ctx->render = &save->super;
}
