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#define __SP_FECOMPONENTTRANSFER_CPP__
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* SVG <feComponentTransfer> implementation.
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* hugo Rodrigues <haa.rodrigues@gmail.com>
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* Copyright (C) 2006 Hugo Rodrigues
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* Released under GNU GPL, read the file 'COPYING' for more information
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#include "attributes.h"
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#include "sp-fecomponenttransfer.h"
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#include "sp-fecomponenttransfer-funcnode.h"
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//#include "display/nr-filter-component-transfer.h"
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/* FeComponentTransfer base class */
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static void sp_feComponentTransfer_class_init(SPFeComponentTransferClass *klass);
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static void sp_feComponentTransfer_init(SPFeComponentTransfer *feComponentTransfer);
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static void sp_feComponentTransfer_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
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static void sp_feComponentTransfer_release(SPObject *object);
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static void sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar const *value);
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static void sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags);
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static void sp_feComponentTransfer_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
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static void sp_feComponentTransfer_remove_child(SPObject *object, Inkscape::XML::Node *child);
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static void sp_feComponentTransfer_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref);
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static Inkscape::XML::Node *sp_feComponentTransfer_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
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static SPFilterPrimitiveClass *feComponentTransfer_parent_class;
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sp_feComponentTransfer_get_type()
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static GType feComponentTransfer_type = 0;
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if (!feComponentTransfer_type) {
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GTypeInfo feComponentTransfer_info = {
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sizeof(SPFeComponentTransferClass),
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(GClassInitFunc) sp_feComponentTransfer_class_init,
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sizeof(SPFeComponentTransfer),
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(GInstanceInitFunc) sp_feComponentTransfer_init,
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NULL, /* value_table */
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feComponentTransfer_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPFeComponentTransfer", &feComponentTransfer_info, (GTypeFlags)0);
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return feComponentTransfer_type;
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sp_feComponentTransfer_class_init(SPFeComponentTransferClass *klass)
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SPObjectClass *sp_object_class = (SPObjectClass *)klass;
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SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass;
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feComponentTransfer_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
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sp_object_class->build = sp_feComponentTransfer_build;
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sp_object_class->release = sp_feComponentTransfer_release;
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sp_object_class->write = sp_feComponentTransfer_write;
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sp_object_class->set = sp_feComponentTransfer_set;
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sp_object_class->update = sp_feComponentTransfer_update;
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sp_object_class->child_added = sp_feComponentTransfer_child_added;
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sp_object_class->remove_child = sp_feComponentTransfer_remove_child;
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sp_primitive_class->build_renderer = sp_feComponentTransfer_build_renderer;
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sp_feComponentTransfer_init(SPFeComponentTransfer */*feComponentTransfer*/)
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* Reads the Inkscape::XML::Node, and initializes SPFeComponentTransfer variables. For this to get called,
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* our name must be associated with a repr via "sp_object_type_register". Best done through
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* sp-object-repr.cpp's repr_name_entries array.
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sp_feComponentTransfer_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
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if (((SPObjectClass *) feComponentTransfer_parent_class)->build) {
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((SPObjectClass *) feComponentTransfer_parent_class)->build(object, document, repr);
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/*LOAD ATTRIBUTES FROM REPR HERE*/
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sp_document_add_resource(document, "feComponentTransfer", object);
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static void sp_feComponentTransfer_children_modified(SPFeComponentTransfer *sp_componenttransfer)
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if (sp_componenttransfer->renderer) {
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SPObject* node = sp_componenttransfer->children;
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for(;node;node=node->next){
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if (SP_IS_FEFUNCR(node)) i=0;
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if (SP_IS_FEFUNCG(node)) i=1;
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if (SP_IS_FEFUNCB(node)) i=2;
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if (SP_IS_FEFUNCA(node)) i=3;
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sp_componenttransfer->renderer->type[i] = ((SPFeFuncNode *) node)->type;
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sp_componenttransfer->renderer->tableValues[i] = ((SPFeFuncNode *) node)->tableValues;
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sp_componenttransfer->renderer->slope[i] = ((SPFeFuncNode *) node)->slope;
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sp_componenttransfer->renderer->intercept[i] = ((SPFeFuncNode *) node)->intercept;
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sp_componenttransfer->renderer->amplitude[i] = ((SPFeFuncNode *) node)->amplitude;
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sp_componenttransfer->renderer->exponent[i] = ((SPFeFuncNode *) node)->exponent;
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sp_componenttransfer->renderer->offset[i] = ((SPFeFuncNode *) node)->offset;
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* Callback for child_added event.
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sp_feComponentTransfer_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
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g_warning("child_added");
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SPFeComponentTransfer *f = SP_FECOMPONENTTRANSFER(object);
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if (((SPObjectClass *) feComponentTransfer_parent_class)->child_added)
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(* ((SPObjectClass *) feComponentTransfer_parent_class)->child_added)(object, child, ref);
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sp_feComponentTransfer_children_modified(f);
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object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
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* Callback for remove_child event.
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sp_feComponentTransfer_remove_child(SPObject *object, Inkscape::XML::Node *child)
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SPFeComponentTransfer *f = SP_FECOMPONENTTRANSFER(object);
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if (((SPObjectClass *) feComponentTransfer_parent_class)->remove_child)
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(* ((SPObjectClass *) feComponentTransfer_parent_class)->remove_child)(object, child);
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sp_feComponentTransfer_children_modified(f);
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object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
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* Drops any allocated memory.
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sp_feComponentTransfer_release(SPObject *object)
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if (((SPObjectClass *) feComponentTransfer_parent_class)->release)
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((SPObjectClass *) feComponentTransfer_parent_class)->release(object);
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* Sets a specific value in the SPFeComponentTransfer.
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sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar const *value)
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SPFeComponentTransfer *feComponentTransfer = SP_FECOMPONENTTRANSFER(object);
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(void)feComponentTransfer;
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/*DEAL WITH SETTING ATTRIBUTES HERE*/
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if (((SPObjectClass *) feComponentTransfer_parent_class)->set)
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((SPObjectClass *) feComponentTransfer_parent_class)->set(object, key, value);
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* Receives update notifications.
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sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags)
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if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
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SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
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/* do something to trigger redisplay, updates? */
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if (((SPObjectClass *) feComponentTransfer_parent_class)->update) {
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((SPObjectClass *) feComponentTransfer_parent_class)->update(object, ctx, flags);
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* Writes its settings to an incoming repr object, if any.
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static Inkscape::XML::Node *
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sp_feComponentTransfer_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
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// Inkscape-only object, not copied during an "plain SVG" dump:
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if (flags & SP_OBJECT_WRITE_EXT) {
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//repr->mergeFrom(SP_OBJECT_REPR(object), "id");
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repr = SP_OBJECT_REPR(object)->duplicate(doc);
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if (((SPObjectClass *) feComponentTransfer_parent_class)->write) {
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((SPObjectClass *) feComponentTransfer_parent_class)->write(object, doc, repr, flags);
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static void sp_feComponentTransfer_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
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g_assert(primitive != NULL);
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g_assert(filter != NULL);
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SPFeComponentTransfer *sp_componenttransfer = SP_FECOMPONENTTRANSFER(primitive);
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int primitive_n = filter->add_primitive(NR::NR_FILTER_COMPONENTTRANSFER);
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NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
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NR::FilterComponentTransfer *nr_componenttransfer = dynamic_cast<NR::FilterComponentTransfer*>(nr_primitive);
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g_assert(nr_componenttransfer != NULL);
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sp_componenttransfer->renderer = nr_componenttransfer;
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sp_filter_primitive_renderer_common(primitive, nr_primitive);
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sp_feComponentTransfer_children_modified(sp_componenttransfer); //do we need it?!
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c-file-style:"stroustrup"
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c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
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// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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src/sp-fecomponenttransfer.cpp
