image.cpp revision 883c5b2d5104c153708fdc513209d5694b489900
/** \file
* SVG <feImage> implementation.
*
*/
/*
* Authors:
* Felipe CorrĂȘa da Silva Sanches <juca@members.fsf.org>
* hugo Rodrigues <haa.rodrigues@gmail.com>
* Abhishek Sharma
*
* Copyright (C) 2007 Felipe Sanches
* 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 "uri.h"
#include "uri-references.h"
#include "enums.h"
#include "attributes.h"
#include "image.h"
#include <string.h>
#include "display/nr-filter.h"
#include "display/nr-filter-image.h"
/* FeImage base class */
static Inkscape::XML::Node *sp_feImage_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
static void sp_feImage_build_renderer(SPFilterPrimitive *primitive, Inkscape::Filters::Filter *filter);
{
static GType feImage_type = 0;
if (!feImage_type) {
sizeof(SPFeImageClass),
sizeof(SPFeImage),
16,
NULL, /* value_table */
};
feImage_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPFeImage", &feImage_info, (GTypeFlags)0);
}
return feImage_type;
}
{
//sp_object_class->build = sp_feImage_build;
// sp_object_class->release = sp_feImage_release;
// sp_object_class->write = sp_feImage_write;
// sp_object_class->set = sp_feImage_set;
// sp_object_class->update = sp_feImage_update;
//sp_primitive_class->build_renderer = sp_feImage_build_renderer;
}
}
}
{
}
/**
* Reads the Inkscape::XML::Node, and initializes SPFeImage 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_feImage_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
//{
// // Save document reference so we can load images with relative paths.
// SPFeImage *feImage = SP_FEIMAGE(object);
// feImage->document = document;
//
//// if (((SPObjectClass *) feImage_parent_class)->build) {
//// ((SPObjectClass *) feImage_parent_class)->build(object, document, repr);
//// }
// // CPPIFY: todo
//
// /*LOAD ATTRIBUTES FROM REPR HERE*/
//
// object->readAttr( "preserveAspectRatio" );
// object->readAttr( "xlink:href" );
//}
// Save document reference so we can load images with relative paths.
// if (((SPObjectClass *) feImage_parent_class)->build) {
// ((SPObjectClass *) feImage_parent_class)->build(object, document, repr);
// }
/*LOAD ATTRIBUTES FROM REPR HERE*/
}
/**
* Drops any allocated memory.
*/
{
// SPFeImage *feImage = SP_FEIMAGE(object);
// feImage->_image_modified_connection.disconnect();
// feImage->_href_modified_connection.disconnect();
// if (feImage->SVGElemRef) delete feImage->SVGElemRef;
//
// if (((SPObjectClass *) feImage_parent_class)->release)
// ((SPObjectClass *) feImage_parent_class)->release(object);
}
// if (((SPObjectClass *) feImage_parent_class)->release)
// ((SPObjectClass *) feImage_parent_class)->release(object);
}
{
}
{
if (new_elem) {
feImage->_image_modified_connection = ((SPObject*) feImage->SVGElem)->connectModified(sigc::bind(sigc::ptr_fun(&sp_feImage_elem_modified), obj));
} else {
}
}
/**
* Sets a specific value in the SPFeImage.
*/
{
// SPFeImage *feImage = SP_FEIMAGE(object);
// (void)feImage;
// switch(key) {
// /*DEAL WITH SETTING ATTRIBUTES HERE*/
// case SP_ATTR_XLINK_HREF:
// if (feImage->href) {
// g_free(feImage->href);
// }
// feImage->href = (value) ? g_strdup (value) : NULL;
// if (!feImage->href) return;
// delete feImage->SVGElemRef;
// feImage->SVGElemRef = 0;
// feImage->SVGElem = 0;
// feImage->_image_modified_connection.disconnect();
// feImage->_href_modified_connection.disconnect();
// try{
// Inkscape::URI SVGElem_uri(feImage->href);
// feImage->SVGElemRef = new Inkscape::URIReference(feImage->document);
// feImage->SVGElemRef->attach(SVGElem_uri);
// feImage->from_element = true;
// feImage->_href_modified_connection = feImage->SVGElemRef->changedSignal().connect(sigc::bind(sigc::ptr_fun(&sp_feImage_href_modified), object));
// if (SPObject *elemref = feImage->SVGElemRef->getObject()) {
// feImage->SVGElem = SP_ITEM(elemref);
// feImage->_image_modified_connection = ((SPObject*) feImage->SVGElem)->connectModified(sigc::bind(sigc::ptr_fun(&sp_feImage_elem_modified), object));
// object->requestModified(SP_OBJECT_MODIFIED_FLAG);
// break;
// } else {
// g_warning("SVG element URI was not found in the document while loading feImage");
// }
// }
// // catches either MalformedURIException or UnsupportedURIException
// catch(const Inkscape::BadURIException & e)
// {
// feImage->from_element = false;
// /* This occurs when using external image as the source */
// //g_warning("caught Inkscape::BadURIException in sp_feImage_set");
// break;
// }
// break;
//
// case SP_ATTR_PRESERVEASPECTRATIO:
// /* Copied from sp-image.cpp */
// /* Do setup before, so we can use break to escape */
// feImage->aspect_align = SP_ASPECT_XMID_YMID; // Default
// feImage->aspect_clip = SP_ASPECT_MEET; // Default
// object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG);
// if (value) {
// int len;
// gchar c[256];
// const gchar *p, *e;
// unsigned int align, clip;
// p = value;
// while (*p && *p == 32) p += 1;
// if (!*p) break;
// e = p;
// while (*e && *e != 32) e += 1;
// len = e - p;
// if (len > 8) break;
// memcpy (c, value, len);
// c[len] = 0;
// /* Now the actual part */
// if (!strcmp (c, "none")) {
// align = SP_ASPECT_NONE;
// } else if (!strcmp (c, "xMinYMin")) {
// align = SP_ASPECT_XMIN_YMIN;
// } else if (!strcmp (c, "xMidYMin")) {
// align = SP_ASPECT_XMID_YMIN;
// } else if (!strcmp (c, "xMaxYMin")) {
// align = SP_ASPECT_XMAX_YMIN;
// } else if (!strcmp (c, "xMinYMid")) {
// align = SP_ASPECT_XMIN_YMID;
// } else if (!strcmp (c, "xMidYMid")) {
// align = SP_ASPECT_XMID_YMID;
// } else if (!strcmp (c, "xMaxYMid")) {
// align = SP_ASPECT_XMAX_YMID;
// } else if (!strcmp (c, "xMinYMax")) {
// align = SP_ASPECT_XMIN_YMAX;
// } else if (!strcmp (c, "xMidYMax")) {
// align = SP_ASPECT_XMID_YMAX;
// } else if (!strcmp (c, "xMaxYMax")) {
// align = SP_ASPECT_XMAX_YMAX;
// } else {
// g_warning("Illegal preserveAspectRatio: %s", c);
// break;
// }
// clip = SP_ASPECT_MEET;
// while (*e && *e == 32) e += 1;
// if (*e) {
// if (!strcmp (e, "meet")) {
// clip = SP_ASPECT_MEET;
// } else if (!strcmp (e, "slice")) {
// clip = SP_ASPECT_SLICE;
// } else {
// break;
// }
// }
// feImage->aspect_align = align;
// feImage->aspect_clip = clip;
// }
// break;
//
// default:
// if (((SPObjectClass *) feImage_parent_class)->set)
// ((SPObjectClass *) feImage_parent_class)->set(object, key, value);
// break;
// }
}
(void)feImage;
switch(key) {
/*DEAL WITH SETTING ATTRIBUTES HERE*/
case SP_ATTR_XLINK_HREF:
}
delete feImage->SVGElemRef;
feImage->SVGElemRef = 0;
try{
feImage->from_element = true;
feImage->_href_modified_connection = feImage->SVGElemRef->changedSignal().connect(sigc::bind(sigc::ptr_fun(&sp_feImage_href_modified), object));
feImage->_image_modified_connection = ((SPObject*) feImage->SVGElem)->connectModified(sigc::bind(sigc::ptr_fun(&sp_feImage_elem_modified), object));
break;
} else {
g_warning("SVG element URI was not found in the document while loading feImage");
}
}
// catches either MalformedURIException or UnsupportedURIException
catch(const Inkscape::BadURIException & e)
{
feImage->from_element = false;
/* This occurs when using external image as the source */
//g_warning("caught Inkscape::BadURIException in sp_feImage_set");
break;
}
break;
/* Copied from sp-image.cpp */
/* Do setup before, so we can use break to escape */
if (value) {
int len;
gchar c[256];
const gchar *p, *e;
p = value;
while (*p && *p == 32) p += 1;
if (!*p) break;
e = p;
while (*e && *e != 32) e += 1;
len = e - p;
if (len > 8) break;
c[len] = 0;
/* Now the actual part */
if (!strcmp (c, "none")) {
} else if (!strcmp (c, "xMinYMin")) {
} else if (!strcmp (c, "xMidYMin")) {
} else if (!strcmp (c, "xMaxYMin")) {
} else if (!strcmp (c, "xMinYMid")) {
} else if (!strcmp (c, "xMidYMid")) {
} else if (!strcmp (c, "xMaxYMid")) {
} else if (!strcmp (c, "xMinYMax")) {
} else if (!strcmp (c, "xMidYMax")) {
} else if (!strcmp (c, "xMaxYMax")) {
} else {
g_warning("Illegal preserveAspectRatio: %s", c);
break;
}
while (*e && *e == 32) e += 1;
if (*e) {
if (!strcmp (e, "meet")) {
} else if (!strcmp (e, "slice")) {
} else {
break;
}
}
}
break;
default:
// if (((SPObjectClass *) feImage_parent_class)->set)
// ((SPObjectClass *) feImage_parent_class)->set(object, key, value);
break;
}
}
/**
* Receives update notifications.
*/
{
// if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
// SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
//
// /* do something to trigger redisplay, updates? */
// }
//
// if (((SPObjectClass *) feImage_parent_class)->update) {
// ((SPObjectClass *) feImage_parent_class)->update(object, ctx, flags);
// }
}
/* do something to trigger redisplay, updates? */
}
// if (((SPObjectClass *) feImage_parent_class)->update) {
// ((SPObjectClass *) feImage_parent_class)->update(object, ctx, flags);
// }
}
/**
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node * sp_feImage_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
{
// /* TODO: Don't just clone, but create a new repr node and write all
// * relevant values into it */
// if (!repr) {
// repr = object->getRepr()->duplicate(doc);
// }
//
// if (((SPObjectClass *) feImage_parent_class)->write) {
// ((SPObjectClass *) feImage_parent_class)->write(object, doc, repr, flags);
// }
//
// return repr;
}
Inkscape::XML::Node* CFeImage::onWrite(Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags) {
/* TODO: Don't just clone, but create a new repr node and write all
* relevant values into it */
if (!repr) {
}
// if (((SPObjectClass *) feImage_parent_class)->write) {
// ((SPObjectClass *) feImage_parent_class)->write(object, doc, repr, flags);
// }
return repr;
}
static void sp_feImage_build_renderer(SPFilterPrimitive *primitive, Inkscape::Filters::Filter *filter) {
// g_assert(primitive != NULL);
// g_assert(filter != NULL);
//
// SPFeImage *sp_image = SP_FEIMAGE(primitive);
//
// int primitive_n = filter->add_primitive(Inkscape::Filters::NR_FILTER_IMAGE);
// Inkscape::Filters::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
// Inkscape::Filters::FilterImage *nr_image = dynamic_cast<Inkscape::Filters::FilterImage*>(nr_primitive);
// g_assert(nr_image != NULL);
//
// sp_filter_primitive_renderer_common(primitive, nr_primitive);
//
// nr_image->from_element = sp_image->from_element;
// nr_image->SVGElem = sp_image->SVGElem;
// nr_image->set_align( sp_image->aspect_align );
// nr_image->set_clip( sp_image->aspect_clip );
// nr_image->set_href(sp_image->href);
// nr_image->set_document(sp_image->document);
}
Inkscape::Filters::FilterImage *nr_image = dynamic_cast<Inkscape::Filters::FilterImage*>(nr_primitive);
}
/*
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:fileencoding=utf-8:textwidth=99 :