From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:24:48 +0200
Subject: Adding upstream version 1.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/object/filters/flood.cpp | 180 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 180 insertions(+)
 create mode 100644 src/object/filters/flood.cpp

(limited to 'src/object/filters/flood.cpp')

diff --git a/src/object/filters/flood.cpp b/src/object/filters/flood.cpp
new file mode 100644
index 0000000..9e179bf
--- /dev/null
+++ b/src/object/filters/flood.cpp
@@ -0,0 +1,180 @@
+// 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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