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#define __SP_FECOMPONENTTRANSFER_CPP__
/** \file
* SVG <feComponentTransfer> implementation.
*
*/
/*
* Authors:
* hugo Rodrigues <haa.rodrigues@gmail.com>
*
* Copyright (C) 2006 Hugo Rodrigues
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include "document.h"
#include "attributes.h"
#include "svg/svg.h"
#include "sp-fecomponenttransfer.h"
#include "sp-fecomponenttransfer-funcnode.h"
#include "xml/repr.h"
//#include "display/nr-filter-component-transfer.h"
/* FeComponentTransfer base class */
static void sp_feComponentTransfer_class_init(SPFeComponentTransferClass *klass);
static void sp_feComponentTransfer_init(SPFeComponentTransfer *feComponentTransfer);
static void sp_feComponentTransfer_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
static void sp_feComponentTransfer_release(SPObject *object);
static void sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar const *value);
static void sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags);
static void sp_feComponentTransfer_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
static void sp_feComponentTransfer_remove_child(SPObject *object, Inkscape::XML::Node *child);
static void sp_feComponentTransfer_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref);
static Inkscape::XML::Node *sp_feComponentTransfer_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
static SPFilterPrimitiveClass *feComponentTransfer_parent_class;
GType
sp_feComponentTransfer_get_type()
{
static GType feComponentTransfer_type = 0;
if (!feComponentTransfer_type) {
GTypeInfo feComponentTransfer_info = {
sizeof(SPFeComponentTransferClass),
NULL, NULL,
(GClassInitFunc) sp_feComponentTransfer_class_init,
NULL, NULL,
sizeof(SPFeComponentTransfer),
16,
(GInstanceInitFunc) sp_feComponentTransfer_init,
NULL, /* value_table */
};
feComponentTransfer_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPFeComponentTransfer", &feComponentTransfer_info, (GTypeFlags)0);
}
return feComponentTransfer_type;
}
static void
sp_feComponentTransfer_class_init(SPFeComponentTransferClass *klass)
{
SPObjectClass *sp_object_class = (SPObjectClass *)klass;
SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass;
feComponentTransfer_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
sp_object_class->build = sp_feComponentTransfer_build;
sp_object_class->release = sp_feComponentTransfer_release;
sp_object_class->write = sp_feComponentTransfer_write;
sp_object_class->set = sp_feComponentTransfer_set;
sp_object_class->update = sp_feComponentTransfer_update;
sp_object_class->child_added = sp_feComponentTransfer_child_added;
sp_object_class->remove_child = sp_feComponentTransfer_remove_child;
sp_primitive_class->build_renderer = sp_feComponentTransfer_build_renderer;
}
static void
sp_feComponentTransfer_init(SPFeComponentTransfer */*feComponentTransfer*/)
{}
/**
* Reads the Inkscape::XML::Node, and initializes SPFeComponentTransfer 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_feComponentTransfer_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
{
if (((SPObjectClass *) feComponentTransfer_parent_class)->build) {
((SPObjectClass *) feComponentTransfer_parent_class)->build(object, document, repr);
}
/*LOAD ATTRIBUTES FROM REPR HERE*/
//do we need this?
sp_document_add_resource(document, "feComponentTransfer", object);
}
static void sp_feComponentTransfer_children_modified(SPFeComponentTransfer *sp_componenttransfer)
{
if (sp_componenttransfer->renderer) {
SPObject* node = sp_componenttransfer->children;
for(;node;node=node->next){
int i=4;
if (SP_IS_FEFUNCR(node)) i=0;
if (SP_IS_FEFUNCG(node)) i=1;
if (SP_IS_FEFUNCB(node)) i=2;
if (SP_IS_FEFUNCA(node)) i=3;
if (i==4) break;
sp_componenttransfer->renderer->type[i] = ((SPFeFuncNode *) node)->type;
sp_componenttransfer->renderer->tableValues[i] = ((SPFeFuncNode *) node)->tableValues;
sp_componenttransfer->renderer->slope[i] = ((SPFeFuncNode *) node)->slope;
sp_componenttransfer->renderer->intercept[i] = ((SPFeFuncNode *) node)->intercept;
sp_componenttransfer->renderer->amplitude[i] = ((SPFeFuncNode *) node)->amplitude;
sp_componenttransfer->renderer->exponent[i] = ((SPFeFuncNode *) node)->exponent;
sp_componenttransfer->renderer->offset[i] = ((SPFeFuncNode *) node)->offset;
}
}
}
/**
* Callback for child_added event.
*/
static void
sp_feComponentTransfer_child_added(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
{
g_warning("child_added");
SPFeComponentTransfer *f = SP_FECOMPONENTTRANSFER(object);
if (((SPObjectClass *) feComponentTransfer_parent_class)->child_added)
(* ((SPObjectClass *) feComponentTransfer_parent_class)->child_added)(object, child, ref);
sp_feComponentTransfer_children_modified(f);
object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
/**
* Callback for remove_child event.
*/
static void
sp_feComponentTransfer_remove_child(SPObject *object, Inkscape::XML::Node *child)
{
SPFeComponentTransfer *f = SP_FECOMPONENTTRANSFER(object);
if (((SPObjectClass *) feComponentTransfer_parent_class)->remove_child)
(* ((SPObjectClass *) feComponentTransfer_parent_class)->remove_child)(object, child);
sp_feComponentTransfer_children_modified(f);
object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
/**
* Drops any allocated memory.
*/
static void
sp_feComponentTransfer_release(SPObject *object)
{
if (((SPObjectClass *) feComponentTransfer_parent_class)->release)
((SPObjectClass *) feComponentTransfer_parent_class)->release(object);
}
/**
* Sets a specific value in the SPFeComponentTransfer.
*/
static void
sp_feComponentTransfer_set(SPObject *object, unsigned int key, gchar const *value)
{
SPFeComponentTransfer *feComponentTransfer = SP_FECOMPONENTTRANSFER(object);
(void)feComponentTransfer;
switch(key) {
/*DEAL WITH SETTING ATTRIBUTES HERE*/
default:
if (((SPObjectClass *) feComponentTransfer_parent_class)->set)
((SPObjectClass *) feComponentTransfer_parent_class)->set(object, key, value);
break;
}
}
/**
* Receives update notifications.
*/
static void
sp_feComponentTransfer_update(SPObject *object, SPCtx *ctx, guint flags)
{
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
/* do something to trigger redisplay, updates? */
}
if (((SPObjectClass *) feComponentTransfer_parent_class)->update) {
((SPObjectClass *) feComponentTransfer_parent_class)->update(object, ctx, flags);
}
}
/**
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node *
sp_feComponentTransfer_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
{
// Inkscape-only object, not copied during an "plain SVG" dump:
if (flags & SP_OBJECT_WRITE_EXT) {
if (repr) {
// is this sane?
//repr->mergeFrom(SP_OBJECT_REPR(object), "id");
} else {
repr = SP_OBJECT_REPR(object)->duplicate(NULL); // FIXME
}
}
if (((SPObjectClass *) feComponentTransfer_parent_class)->write) {
((SPObjectClass *) feComponentTransfer_parent_class)->write(object, repr, flags);
}
return repr;
}
static void sp_feComponentTransfer_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
g_assert(primitive != NULL);
g_assert(filter != NULL);
SPFeComponentTransfer *sp_componenttransfer = SP_FECOMPONENTTRANSFER(primitive);
int primitive_n = filter->add_primitive(NR::NR_FILTER_COMPONENTTRANSFER);
NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
NR::FilterComponentTransfer *nr_componenttransfer = dynamic_cast<NR::FilterComponentTransfer*>(nr_primitive);
g_assert(nr_componenttransfer != NULL);
sp_componenttransfer->renderer = nr_componenttransfer;
sp_filter_primitive_renderer_common(primitive, nr_primitive);
sp_feComponentTransfer_children_modified(sp_componenttransfer); //do we need it?!
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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