index 138ae6e0ed5452a990af4ed539e95ad9befc55a6..4a69f32e4049e373bb186c272b98572ab619e86d 100644 (file)
#include "svg/svg.h"
#include "sp-fedisplacementmap.h"
#include "xml/repr.h"
-
+#include "display/nr-filter-displacement-map.h"
/* FeDisplacementMap base class */
static void sp_feDisplacementMap_release(SPObject *object);
static void sp_feDisplacementMap_set(SPObject *object, unsigned int key, gchar const *value);
static void sp_feDisplacementMap_update(SPObject *object, SPCtx *ctx, guint flags);
+static void sp_feDisplacementMap_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
static Inkscape::XML::Node *sp_feDisplacementMap_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
static SPFilterPrimitiveClass *feDisplacementMap_parent_class;
sp_feDisplacementMap_class_init(SPFeDisplacementMapClass *klass)
{
SPObjectClass *sp_object_class = (SPObjectClass *)klass;
+ SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass;
feDisplacementMap_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
sp_object_class->write = sp_feDisplacementMap_write;
sp_object_class->set = sp_feDisplacementMap_set;
sp_object_class->update = sp_feDisplacementMap_update;
+ sp_primitive_class->build_renderer = sp_feDisplacementMap_build_renderer;
}
static void
sp_feDisplacementMap_init(SPFeDisplacementMap *feDisplacementMap)
{
+ feDisplacementMap->scale=0;
+ feDisplacementMap->xChannelSelector=3;
+ feDisplacementMap->yChannelSelector=3;
+ feDisplacementMap->in2 = NR::NR_FILTER_SLOT_NOT_SET;
}
/**
}
/*LOAD ATTRIBUTES FROM REPR HERE*/
+ sp_object_read_attr(object, "scale");
+ sp_object_read_attr(object, "in2");
+ sp_object_read_attr(object, "xChannelSelector");
+ sp_object_read_attr(object, "yChannelSelector");
}
/**
((SPObjectClass *) feDisplacementMap_parent_class)->release(object);
}
+static int sp_feDisplacementMap_readChannelSelector(gchar const *value)
+{
+ if (!value) return 3;
+ switch (value[0]) {
+ case 'R':
+ return 0;
+ break;
+ case 'G':
+ return 1;
+ break;
+ case 'B':
+ return 2;
+ break;
+ case 'A':
+ return 3;
+ break;
+ default:
+ // error
+ g_warning("Invalid attribute for Channel Selector. Valid modes are 'R', 'G', 'B' or 'A'");
+ break;
+ }
+ return 3; //default is Alpha Channel
+}
+
+static double
+sp_feDisplacementMap_read_number(gchar const *value) {
+ if (!value) return 0;
+ char *end;
+ double ret = g_ascii_strtod(value, &end);
+ if (*end) {
+ g_warning("Unable to convert \"%s\" to number", value);
+ // We could leave this out, too. If strtod can't convert
+ // anything, it will return zero.
+ ret = 0;
+ }
+ return ret;
+}
+
/**
* Sets a specific value in the SPFeDisplacementMap.
*/
@@ -109,9 +158,39 @@ sp_feDisplacementMap_set(SPObject *object, unsigned int key, gchar const *value)
{
SPFeDisplacementMap *feDisplacementMap = SP_FEDISPLACEMENTMAP(object);
(void)feDisplacementMap;
-
+ int input;
+ double read_num;
+ int read_selector;
switch(key) {
/*DEAL WITH SETTING ATTRIBUTES HERE*/
+ case SP_ATTR_XCHANNELSELECTOR:
+ read_selector = sp_feDisplacementMap_readChannelSelector(value);
+ if (read_selector != feDisplacementMap->xChannelSelector){
+ feDisplacementMap->xChannelSelector = read_selector;
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ }
+ break;
+ case SP_ATTR_YCHANNELSELECTOR:
+ read_selector = sp_feDisplacementMap_readChannelSelector(value);
+ if (read_selector != feDisplacementMap->yChannelSelector){
+ feDisplacementMap->yChannelSelector = read_selector;
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ }
+ break;
+ case SP_ATTR_SCALE:
+ read_num = sp_feDisplacementMap_read_number(value);
+ if (read_num != feDisplacementMap->scale) {
+ feDisplacementMap->scale = read_num;
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ }
+ break;
+ case SP_ATTR_IN2:
+ input = sp_filter_primitive_read_in(feDisplacementMap, value);
+ if (input != feDisplacementMap->in2) {
+ feDisplacementMap->in2 = input;
+ object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ }
+ break;
default:
if (((SPObjectClass *) feDisplacementMap_parent_class)->set)
((SPObjectClass *) feDisplacementMap_parent_class)->set(object, key, value);
@@ -150,7 +229,7 @@ sp_feDisplacementMap_write(SPObject *object, Inkscape::XML::Node *repr, guint fl
// is this sane?
repr->mergeFrom(SP_OBJECT_REPR(object), "id");
} else {
- repr = SP_OBJECT_REPR(object)->duplicate(repr->document());
+ repr = SP_OBJECT_REPR(object)->duplicate(NULL); // FIXME
}
}
@@ -161,6 +240,25 @@ sp_feDisplacementMap_write(SPObject *object, Inkscape::XML::Node *repr, guint fl
return repr;
}
+static void sp_feDisplacementMap_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
+ g_assert(primitive != NULL);
+ g_assert(filter != NULL);
+
+ SPFeDisplacementMap *sp_displacement_map = SP_FEDISPLACEMENTMAP(primitive);
+
+ int primitive_n = filter->add_primitive(NR::NR_FILTER_DISPLACEMENTMAP);
+ NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
+ NR::FilterDisplacementMap *nr_displacement_map = dynamic_cast<NR::FilterDisplacementMap*>(nr_primitive);
+ g_assert(nr_displacement_map != NULL);
+
+ sp_filter_primitive_renderer_common(primitive, nr_primitive);
+
+ nr_displacement_map->set_input(1, sp_displacement_map->in2);
+ nr_displacement_map->set_scale(sp_displacement_map->scale);
+ nr_displacement_map->set_channel_selector(0, sp_displacement_map->xChannelSelector);
+ nr_displacement_map->set_channel_selector(1, sp_displacement_map->yChannelSelector);
+}
+
/*
Local Variables: