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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/object/sp-glyph-kerning.cpp
parentInitial commit. (diff)
downloadinkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz
inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/object/sp-glyph-kerning.cpp189
1 files changed, 189 insertions, 0 deletions
diff --git a/src/object/sp-glyph-kerning.cpp b/src/object/sp-glyph-kerning.cpp
new file mode 100644
index 0000000..f924773
--- /dev/null
+++ b/src/object/sp-glyph-kerning.cpp
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * SVG <hkern> and <vkern> elements implementation
+ * W3C SVG 1.1 spec, page 476, section 20.7
+ *
+ * Authors:
+ * Felipe C. da S. Sanches <juca@members.fsf.org>
+ * Abhishek Sharma
+ *
+ * Copyright (C) 2008 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "xml/repr.h"
+#include "attributes.h"
+#include "sp-glyph-kerning.h"
+
+#include "document.h"
+#include <cstring>
+
+
+SPGlyphKerning::SPGlyphKerning()
+ : SPObject()
+//TODO: correct these values:
+ , u1(nullptr)
+ , g1(nullptr)
+ , u2(nullptr)
+ , g2(nullptr)
+ , k(0)
+{
+}
+
+void SPGlyphKerning::build(SPDocument *document, Inkscape::XML::Node *repr)
+{
+ SPObject::build(document, repr);
+
+ this->readAttr(SPAttr::U1);
+ this->readAttr(SPAttr::G1);
+ this->readAttr(SPAttr::U2);
+ this->readAttr(SPAttr::G2);
+ this->readAttr(SPAttr::K);
+}
+
+void SPGlyphKerning::release()
+{
+ SPObject::release();
+}
+
+GlyphNames::GlyphNames(const gchar* value)
+{
+ names = value ? g_strdup(value) : nullptr;
+}
+
+GlyphNames::~GlyphNames()
+{
+ if (names) {
+ g_free(names);
+ }
+}
+
+bool GlyphNames::contains(const char* name)
+{
+ if (!(this->names) || !name) {
+ return false;
+ }
+
+ std::istringstream is(this->names);
+ std::string str;
+ std::string s(name);
+
+ while (is >> str) {
+ if (str == s) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void SPGlyphKerning::set(SPAttr key, const gchar *value)
+{
+ switch (key) {
+ case SPAttr::U1:
+ {
+ if (this->u1) {
+ delete this->u1;
+ }
+
+ this->u1 = new UnicodeRange(value);
+ this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ }
+ case SPAttr::U2:
+ {
+ if (this->u2) {
+ delete this->u2;
+ }
+
+ this->u2 = new UnicodeRange(value);
+ this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ }
+ case SPAttr::G1:
+ {
+ if (this->g1) {
+ delete this->g1;
+ }
+
+ this->g1 = new GlyphNames(value);
+ this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ }
+ case SPAttr::G2:
+ {
+ if (this->g2) {
+ delete this->g2;
+ }
+
+ this->g2 = new GlyphNames(value);
+ this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ break;
+ }
+ case SPAttr::K:
+ {
+ double number = value ? g_ascii_strtod(value, nullptr) : 0;
+
+ if (number != this->k){
+ this->k = number;
+ this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ }
+ break;
+ }
+ default:
+ {
+ SPObject::set(key, value);
+ break;
+ }
+ }
+}
+
+/**
+ * Receives update notifications.
+ */
+void SPGlyphKerning::update(SPCtx *ctx, guint flags)
+{
+ if (flags & SP_OBJECT_MODIFIED_FLAG) {
+ /* do something to trigger redisplay, updates? */
+ this->readAttr(SPAttr::U1);
+ this->readAttr(SPAttr::U2);
+ this->readAttr(SPAttr::G2);
+ this->readAttr(SPAttr::K);
+ }
+
+ SPObject::update(ctx, flags);
+}
+
+#define COPY_ATTR(rd,rs,key) (rd)->setAttribute((key), rs->attribute(key));
+
+Inkscape::XML::Node* SPGlyphKerning::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
+{
+ if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
+ repr = xml_doc->createElement("svg:glyphkerning"); // fix this!
+ }
+
+ if (repr != this->getRepr()) {
+ // All the COPY_ATTR functions below use
+ // XML Tree directly, while they shouldn't.
+ COPY_ATTR(repr, this->getRepr(), "u1");
+ COPY_ATTR(repr, this->getRepr(), "g1");
+ COPY_ATTR(repr, this->getRepr(), "u2");
+ COPY_ATTR(repr, this->getRepr(), "g2");
+ COPY_ATTR(repr, this->getRepr(), "k");
+ }
+ SPObject::write(xml_doc, repr, flags);
+
+ return repr;
+}
+
+/*
+ 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 :