/**
* Reads the Inkscape::XML::Node, and initializes SPFeBlend variables. For this to get called,
* our name must be associated with a repr via "sp_object_type_register". Best done through
* sp-object-repr.cpp's repr_name_entries array.
*/
static void
sp_feBlend_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
{
SPFeBlend *blend = SP_FEBLEND(object);
if (((SPObjectClass *) feBlend_parent_class)->build) {
((SPObjectClass *) feBlend_parent_class)->build(object, document, repr);
}
/*LOAD ATTRIBUTES FROM REPR HERE*/
sp_object_read_attr(object, "mode");
sp_object_read_attr(object, "in2");
/* Unlike normal in, in2 is required attribute. Make sure, we can call
* it by some name. */
if (blend->in2 == Inkscape::Filters::NR_FILTER_SLOT_NOT_SET ||
blend->in2 == Inkscape::Filters::NR_FILTER_UNNAMED_SLOT)
{
SPFilter *parent = SP_FILTER(object->parent);
blend->in2 = sp_filter_primitive_name_previous_out(blend);
repr->setAttribute("in2", sp_filter_name_for_image(parent, blend->in2));
}
}
/**
* Receives update notifications.
*/
static void
sp_feBlend_update(SPObject *object, SPCtx *ctx, guint flags)
{
SPFeBlend *blend = SP_FEBLEND(object);
if (flags & SP_OBJECT_MODIFIED_FLAG) {
sp_object_read_attr(object, "mode");
sp_object_read_attr(object, "in2");
}
/* Unlike normal in, in2 is required attribute. Make sure, we can call
* it by some name. */
if (blend->in2 == Inkscape::Filters::NR_FILTER_SLOT_NOT_SET ||
blend->in2 == Inkscape::Filters::NR_FILTER_UNNAMED_SLOT)
{
SPFilter *parent = SP_FILTER(object->parent);
blend->in2 = sp_filter_primitive_name_previous_out(blend);
object->repr->setAttribute("in2", sp_filter_name_for_image(parent, blend->in2));
}
if (((SPObjectClass *) feBlend_parent_class)->update) {
((SPObjectClass *) feBlend_parent_class)->update(object, ctx, flags);
}
}
/**
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node *
sp_feComposite_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
{
SPFeComposite *comp = SP_FECOMPOSITE(object);
SPFilter *parent = SP_FILTER(object->parent);
if (!repr) {
repr = doc->createElement("svg:feComposite");
}
gchar const *out_name = sp_filter_name_for_image(parent, comp->in2);
if (out_name) {
repr->setAttribute("in2", out_name);
} else {
SPObject *i = parent->children;
while (i && i->next != object) i = i->next;
SPFilterPrimitive *i_prim = SP_FILTER_PRIMITIVE(i);
out_name = sp_filter_name_for_image(parent, i_prim->image_out);
repr->setAttribute("in2", out_name);
if (!out_name) {
g_warning("Unable to set in2 for feComposite");
}
}
char const *comp_op;
switch (comp->composite_operator) {
case COMPOSITE_OVER:
comp_op = "over"; break;
case COMPOSITE_IN:
comp_op = "in"; break;
case COMPOSITE_OUT:
comp_op = "out"; break;
case COMPOSITE_ATOP:
comp_op = "atop"; break;
case COMPOSITE_XOR:
comp_op = "xor"; break;
case COMPOSITE_ARITHMETIC:
comp_op = "arithmetic"; break;
default:
comp_op = 0;
}
repr->setAttribute("operator", comp_op);
if (comp->composite_operator == COMPOSITE_ARITHMETIC) {
sp_repr_set_svg_double(repr, "k1", comp->k1);
sp_repr_set_svg_double(repr, "k2", comp->k2);
sp_repr_set_svg_double(repr, "k3", comp->k3);
sp_repr_set_svg_double(repr, "k4", comp->k4);
} else {
repr->setAttribute("k1", 0);
repr->setAttribute("k2", 0);
repr->setAttribute("k3", 0);
repr->setAttribute("k4", 0);
}
if (((SPObjectClass *) feComposite_parent_class)->write) {
((SPObjectClass *) feComposite_parent_class)->write(object, doc, repr, flags);
}
return repr;
}
/**
* Writes its settings to an incoming repr object, if any.
*/
Inkscape::XML::Node* SPFeBlend::write(Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags) {
SPFilter *parent = SP_FILTER(this->parent);
if (!repr) {
repr = doc->createElement("svg:feBlend");
}
gchar const *out_name = sp_filter_name_for_image(parent, this->in2);
if (out_name) {
repr->setAttribute("in2", out_name);
} else {
SPObject *i = parent->children;
while (i && i->next != this) {
i = i->next;
}
SPFilterPrimitive *i_prim = SP_FILTER_PRIMITIVE(i);
out_name = sp_filter_name_for_image(parent, i_prim->image_out);
repr->setAttribute("in2", out_name);
if (!out_name) {
g_warning("Unable to set in2 for feBlend");
}
}
char const *mode;
switch(this->blend_mode) {
case Inkscape::Filters::BLEND_NORMAL:
mode = "normal"; break;
case Inkscape::Filters::BLEND_MULTIPLY:
mode = "multiply"; break;
case Inkscape::Filters::BLEND_SCREEN:
mode = "screen"; break;
case Inkscape::Filters::BLEND_DARKEN:
mode = "darken"; break;
case Inkscape::Filters::BLEND_LIGHTEN:
mode = "lighten"; break;
// New
case Inkscape::Filters::BLEND_OVERLAY:
mode = "overlay"; break;
case Inkscape::Filters::BLEND_COLORDODGE:
mode = "color-dodge"; break;
case Inkscape::Filters::BLEND_COLORBURN:
mode = "color-burn"; break;
case Inkscape::Filters::BLEND_HARDLIGHT:
mode = "hard-light"; break;
case Inkscape::Filters::BLEND_SOFTLIGHT:
mode = "soft-light"; break;
case Inkscape::Filters::BLEND_DIFFERENCE:
mode = "difference"; break;
case Inkscape::Filters::BLEND_EXCLUSION:
mode = "exclusion"; break;
case Inkscape::Filters::BLEND_HUE:
mode = "hue"; break;
case Inkscape::Filters::BLEND_SATURATION:
mode = "saturation"; break;
case Inkscape::Filters::BLEND_COLOR:
mode = "color"; break;
case Inkscape::Filters::BLEND_LUMINOSITY:
mode = "luminosity"; break;
default:
mode = 0;
}
repr->setAttribute("mode", mode);
SPFilterPrimitive::write(doc, repr, flags);
return repr;
}
