ThorVG: update to v0.11.0 release.

See https://github.com/thorvg/thorvg/releases/tag/v0.11.0

+ Infrastructure
    Repository folder structure was make it more intuitive and coherent.
        "thorvg/src/lib" -> "thorvg/src/common"
            (providing essential common functionalities
                used internally among the renderer and sub-modules)
        "thorvg/src/lib" -> "thorvg/src/renderer"
            (for vector drawing features)

+ SVG related
    Fix stroke regression https://github.com/thorvg/thorvg/issues/1670
    Support stroke dash offset function https://github.com/thorvg/thorvg/issues/1591#issuecomment-1681319321
    Support Focal property in Radial Gradient https://github.com/thorvg/thorvg/issues/1558

1 files changed, 12 insertions, 9 deletions

diff --git a/thirdparty/thorvg/src/loaders/svg/tvgSvgUtil.cpp b/thirdparty/thorvg/src/loaders/svg/tvgSvgUtil.cpp
index 763a357f99..7940188ade 100644
--- a/thirdparty/thorvg/src/loaders/svg/tvgSvgUtil.cpp
+++ b/thirdparty/thorvg/src/loaders/svg/tvgSvgUtil.cpp
@@ -39,29 +39,32 @@ static uint8_t _hexCharToDec(const char c)
 /* External Class Implementation                                        */
 /************************************************************************/
 
-string svgUtilURLDecode(const char *src)
+size_t svgUtilURLDecode(const char *src, char** dst)
 {
-    if (!src) return nullptr;
+    if (!src) return 0;
 
     auto length = strlen(src);
-    if (length == 0) return nullptr;
+    if (length == 0) return 0;
 
-    string decoded;
-    decoded.reserve(length);
+    char* decoded = (char*)malloc(sizeof(char) * length + 1);
+    decoded[length] = '\0';
 
     char a, b;
+    int idx =0;
     while (*src) {
         if (*src == '%' &&
             ((a = src[1]) && (b = src[2])) &&
             (isxdigit(a) && isxdigit(b))) {
-            decoded += (_hexCharToDec(a) << 4) + _hexCharToDec(b);
+            decoded[idx++] = (_hexCharToDec(a) << 4) + _hexCharToDec(b);
             src+=3;
         } else if (*src == '+') {
-            decoded += ' ';
+            decoded[idx++] = ' ';
             src++;
         } else {
-            decoded += *src++;
+            decoded[idx++] = *src++;
         }
     }
-    return decoded;
+
+    *dst = decoded;
+    return length + 1;
 }