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// SPDX-License-Identifier: GPL-2.0-or-later
/** \file
* SVG <feFlood> implementation.
*
*/
/*
* Authors:
* hugo Rodrigues <haa.rodrigues@gmail.com>
* Abhishek Sharma
*
* Copyright (C) 2006 Hugo Rodrigues
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "flood.h"
#include "strneq.h"
#include "attributes.h"
#include "svg/svg.h"
#include "svg/svg-color.h"
#include "display/nr-filter.h"
#include "display/nr-filter-flood.h"
#include "xml/repr.h"
SPFeFlood::SPFeFlood() : SPFilterPrimitive() {
this->color = 0;
this->opacity = 1;
this->icc = nullptr;
}
SPFeFlood::~SPFeFlood() = default;
/**
* Reads the Inkscape::XML::Node, and initializes SPFeFlood 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.
*/
void SPFeFlood::build(SPDocument *document, Inkscape::XML::Node *repr) {
SPFilterPrimitive::build(document, repr);
/*LOAD ATTRIBUTES FROM REPR HERE*/
this->readAttr(SPAttr::FLOOD_OPACITY);
this->readAttr(SPAttr::FLOOD_COLOR);
}
/**
* Drops any allocated memory.
*/
void SPFeFlood::release() {
SPFilterPrimitive::release();
}
/**
* Sets a specific value in the SPFeFlood.
*/
void SPFeFlood::set(SPAttr key, gchar const *value) {
gchar const *cend_ptr = nullptr;
gchar *end_ptr = nullptr;
guint32 read_color;
double read_num;
bool dirty = false;
switch(key) {
/*DEAL WITH SETTING ATTRIBUTES HERE*/
case SPAttr::FLOOD_COLOR:
cend_ptr = nullptr;
read_color = sp_svg_read_color(value, &cend_ptr, 0xffffffff);
if (cend_ptr && read_color != this->color){
this->color = read_color;
dirty=true;
}
if (cend_ptr){
while (g_ascii_isspace(*cend_ptr)) {
++cend_ptr;
}
if (strneq(cend_ptr, "icc-color(", 10)) {
if (!this->icc) {
this->icc = new SVGICCColor();
}
if ( ! sp_svg_read_icc_color( cend_ptr, this->icc ) ) {
delete this->icc;
this->icc = nullptr;
}
dirty = true;
}
}
if (dirty) {
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
case SPAttr::FLOOD_OPACITY:
if (value) {
read_num = g_ascii_strtod(value, &end_ptr);
if (end_ptr != nullptr) {
if (*end_ptr) {
g_warning("Unable to convert \"%s\" to number", value);
read_num = 1;
}
}
} else {
read_num = 1;
}
if (read_num != this->opacity) {
this->opacity = read_num;
this->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
default:
SPFilterPrimitive::set(key, value);
break;
}
}
/**
* Receives update notifications.
*/
void SPFeFlood::update(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? */
}
SPFilterPrimitive::update(ctx, flags);
}
/**
* Writes its settings to an incoming repr object, if any.
*/
Inkscape::XML::Node* SPFeFlood::write(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 = this->getRepr()->duplicate(doc);
}
SPFilterPrimitive::write(doc, repr, flags);
return repr;
}
void SPFeFlood::build_renderer(Inkscape::Filters::Filter* filter) {
g_assert(filter != nullptr);
int primitive_n = filter->add_primitive(Inkscape::Filters::NR_FILTER_FLOOD);
Inkscape::Filters::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
Inkscape::Filters::FilterFlood *nr_flood = dynamic_cast<Inkscape::Filters::FilterFlood*>(nr_primitive);
g_assert(nr_flood != nullptr);
this->renderer_common(nr_primitive);
nr_flood->set_opacity(this->opacity);
nr_flood->set_color(this->color);
nr_flood->set_icc(this->icc);
}
/*
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 :
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