diff --git a/DesktopEditor/fontengine/js/engine/module_js.js b/DesktopEditor/fontengine/js/engine/module_js.js
index b7e51c634a..f6a296f40e 100644
--- a/DesktopEditor/fontengine/js/engine/module_js.js
+++ b/DesktopEditor/fontengine/js/engine/module_js.js
@@ -66,6 +66,29 @@ AscFonts.CopyStreamToMemory = function(data, size)
 	return fontStreamPointer;
 };
 
+function CShapeString(size)
+{
+	this.size = size;
+	this.pointer = Module["_malloc"](size);
+}
+CShapeString.prototype.getBuffer = function()
+{
+	return new Uint8Array(Module["HEAPU8"].buffer, this.pointer, this.size);
+};
+CShapeString.prototype.free = function()
+{
+	Module["_free"](this.pointer);
+};
+CShapeString.prototype.set = function(index, value)
+{
+	Module["HEAPU8"][this.pointer + index] = value;
+};
+
+AscFonts.AllocString = function(size)
+{
+	return new CShapeString(size);
+};
+
 AscFonts.FT_CreateLibrary = Module["_ASC_FT_Init"];
 AscFonts.FT_Done_Library = Module["_ASC_FT_Done_FreeType"];
 AscFonts.FT_Set_TrueType_HintProp = Module["_ASC_FT_Set_TrueType_HintProp"];
@@ -149,7 +172,7 @@ AscFonts.HB_ShapeText = function(fontFile, text, features, script, direction, la
 		Module["_free"](langPointer);
 	}
 
-	let pointer = Module["_ASC_HP_ShapeText"](fontFile["GetFace"](), fontFile["GetHBFont"](), text, features, script, direction, hb_cache_languages[language]);
+	let pointer = Module["_ASC_HB_ShapeText"](fontFile["GetFace"](), fontFile["GetHBFont"](), text.pointer, features, script, direction, hb_cache_languages[language]);
 	if (!pointer)
 	{
 		g_return_obj_count.error = 1;
diff --git a/DesktopEditor/fontengine/js/engine/module_native.js b/DesktopEditor/fontengine/js/engine/module_native.js
index c53e794b3b..41f133085e 100644
--- a/DesktopEditor/fontengine/js/engine/module_native.js
+++ b/DesktopEditor/fontengine/js/engine/module_native.js
@@ -54,6 +54,29 @@ AscFonts.CopyStreamToMemory = function(data, size)
 	return data;
 };
 
+function CShapeString(size)
+{
+	this.size = size;
+	this.pointer = new Uint8Array(size);
+}
+CShapeString.prototype.getBuffer = function()
+{
+	return this.pointer;
+};
+CShapeString.prototype.free = function()
+{
+	// GC
+};
+CShapeString.prototype.set = function(index, value)
+{
+	this.pointer[index] = value;
+};
+
+AscFonts.AllocString = function(size)
+{
+	return new CShapeString(size);
+};
+
 AscFonts.FT_CreateLibrary = function(library) 
 { 
 	return g_native_engine["FT_Init"](library); 
@@ -167,7 +190,7 @@ AscFonts.HB_ShapeText = function(fontFile, text, features, script, direction, la
 	if (!fontFile["GetHBFont"]())
 		fontFile["SetHBFont"](g_native_engine["FT_Malloc"](0));
 
-	let data = g_native_engine["HB_ShapeText"](fontFile["GetFace"](), fontFile["GetHBFont"](), text, features, script, direction, hb_cache_languages[language]);
+	let data = g_native_engine["HB_ShapeText"](fontFile["GetFace"](), fontFile["GetHBFont"](), text.pointer, features, script, direction, hb_cache_languages[language]);
 	if (!data)
 	{
 		g_return_obj_count.error = 1;
diff --git a/DesktopEditor/fontengine/js/module.js b/DesktopEditor/fontengine/js/module.js
index e032d9c511..4d7f6eecca 100644
--- a/DesktopEditor/fontengine/js/module.js
+++ b/DesktopEditor/fontengine/js/module.js
@@ -40,6 +40,17 @@ function onLoadFontsModule(window, undefined)
 
 	AscFonts.CopyStreamToMemory = AscFonts["CopyStreamToMemory"];
 
+	AscFonts.AllocString2 = AscFonts["AllocString"];
+	AscFonts.AllocString = function(size)
+	{
+		var pointer = AscFonts.AllocString2(size);
+		pointer.pointer = pointer["pointer"];
+		pointer.getBuffer = pointer["getBuffer"];
+		pointer.free = pointer["free"];
+		pointer.set = pointer["set"];
+		return pointer;
+	};
+
 	AscFonts.FT_CreateLibrary = AscFonts["FT_CreateLibrary"];
 	AscFonts.FT_Done_Library = AscFonts["FT_Done_Library"];
 	AscFonts.FT_Set_TrueType_HintProp = AscFonts["FT_Set_TrueType_HintProp"];
@@ -441,7 +452,7 @@ function onLoadFontsModule(window, undefined)
 	AscFonts.HB_StartString = function()
 	{
 		if (!STRING_POINTER)
-			STRING_POINTER = Module.AllocString(6 * STRING_MAX_LEN + 1);
+			STRING_POINTER = AscFonts.AllocString(6 * STRING_MAX_LEN + 1);
 
 		STRING_LEN  = 0;
 		CLUSTER_LEN = 0;
@@ -449,7 +460,7 @@ function onLoadFontsModule(window, undefined)
 	};
 	AscFonts.HB_AppendToString = function(code)
 	{
-		let arrBuffer   = STRING_POINTER.buffer;
+		let arrBuffer   = STRING_POINTER.getBuffer();
 		let nClusterLen = -1;
 
 		if (code < 0x80)
@@ -506,7 +517,7 @@ function onLoadFontsModule(window, undefined)
 	};
 	AscFonts.HB_EndString = function()
 	{
-		STRING_POINTER.buffer[STRING_LEN++] = 0;
+		STRING_POINTER.set(STRING_LEN++, 0);
 	};
 	AscFonts.HB_GetStringLength = function()
 	{
@@ -598,6 +609,7 @@ function onLoadFontsModule(window, undefined)
 		let utf8_start = 0;
 		let utf8_end = 0;
 
+		let arBuffer = STRING_POINTER.getBuffer();
 		if (direction === AscFonts.HB_DIRECTION.HB_DIRECTION_RTL)
 		{
 			for (let i = glyphsCount - 1; i >= 0; i--)
@@ -607,7 +619,7 @@ function onLoadFontsModule(window, undefined)
 				else
 					utf8_end = glyphs[i - 1].cluster;
 
-				glyphs[i].text = String.prototype.fromUtf8(STRING_POINTER.buffer, utf8_start, utf8_end - utf8_start);
+				glyphs[i].text = String.prototype.fromUtf8(arBuffer, utf8_start, utf8_end - utf8_start);
 				utf8_start = utf8_end;
 			}
 		}
@@ -620,7 +632,7 @@ function onLoadFontsModule(window, undefined)
 				else
 					utf8_end = glyphs[i + 1].cluster;
 
-				glyphs[i].text = String.prototype.fromUtf8(STRING_POINTER.buffer, utf8_start, utf8_end - utf8_start);
+				glyphs[i].text = String.prototype.fromUtf8(arBuffer, utf8_start, utf8_end - utf8_start);
 				utf8_start = utf8_end;
 			}
 		}