parsing font-variation-settings (CSS Fonts Module Level 4)

1 files changed, 61 insertions, 0 deletions

diff --git a/src/style-internal.cpp b/src/style-internal.cpp
index 54d1a0867..34e737452 100644
--- a/src/style-internal.cpp
+++ b/src/style-internal.cpp
@@ -521,6 +521,67 @@ SPILengthOrNormal::operator==(const SPIBase& rhs) {
 }
 
 
+// SPIVariableFontAxisOrNormal ----------------------------------------------------
+
+void
+SPIVariableFontAxisOrNormal::read( gchar const *str ) {
+
+    if( !str ) return;
+
+    if ( !strcmp(str, "normal") ) {
+        set = true;
+        inherit = false;
+        unit = SP_CSS_UNIT_NONE;
+        value = computed = 0.0;
+        normal = true;
+        return;
+    }
+
+    if (strlen(str) >= 6 && str[4]==' ') {
+        strncpy(axis_name, str, 4);
+        axis_name[4] = '\0';
+
+        SPILength::read( str + 5);
+        normal = false;
+    }
+};
+
+const Glib::ustring
+SPIVariableFontAxisOrNormal::write( guint const flags, SPStyleSrc const &style_src_req, SPIBase const *const base) const {
+
+    SPILength const *const my_base = dynamic_cast<const SPILength*>(base);
+    bool dfp = (!inherits || !my_base || (my_base != this)); // Different from parent
+    bool src = (style_src_req == style_src || !(flags & SP_STYLE_FLAG_IFSRC));
+    if (should_write(flags, set, dfp, src)) {
+        if (this->normal) {
+            return (name + ":normal;");
+        } else {
+            return "\"" + Glib::ustring(axis_name) + "\" " + SPILength::write(flags, style_src_req, base);
+        }
+    }
+    return Glib::ustring("");
+}
+
+void
+SPIVariableFontAxisOrNormal::cascade( const SPIBase* const parent ) {
+    std::cerr << "SPIVariableFontAxisOrNormal::cascade(): TODO: Implement-me!" << std::endl;
+}
+
+void
+SPIVariableFontAxisOrNormal::merge( const SPIBase* const parent ) {
+    std::cerr << "SPIVariableFontAxisOrNormal::merge(): TODO: Implement-me!" << std::endl;
+}
+
+bool
+SPIVariableFontAxisOrNormal::operator==(const SPIBase& rhs) {
+    if( const SPIVariableFontAxisOrNormal* r = dynamic_cast<const SPIVariableFontAxisOrNormal*>(&rhs) ) {
+        if( normal && r->normal ) { return true; }
+        if( normal != r->normal ) { return false; }
+        return SPILength::operator==(rhs) && !strncmp(axis_name, r->axis_name, 4);
+    } else {
+        return false;
+    }
+}
 
 // SPIEnum --------------------------------------------------------------