From b1bbc998960fff2169dc5a992c47d08723472f9b Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sun, 14 Oct 2018 22:52:40 +0800
Subject: =?UTF-8?q?*=E7=9B=B4=E6=8E=A5=E6=B8=B2=E6=9F=93=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E4=B8=B2?=
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---
 src/lua/modules/graphics/ttf.cpp | 73 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 src/lua/modules/graphics/ttf.cpp

(limited to 'src/lua/modules/graphics/ttf.cpp')

diff --git a/src/lua/modules/graphics/ttf.cpp b/src/lua/modules/graphics/ttf.cpp
new file mode 100644
index 0000000..19e9e92
--- /dev/null
+++ b/src/lua/modules/graphics/ttf.cpp
@@ -0,0 +1,73 @@
+#include "lua/modules/luax.h"
+#include "lua/modules/types.h"
+#include "lua/common/common.h"
+#include "libjin/jin.h"
+
+namespace jin
+{
+namespace lua
+{
+
+    using namespace jin::graphics;
+
+    static int l_gc(lua_State* L)
+    {
+        Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TTF);
+		{
+			/* release ttf data */
+			Ref<TTF>* ttf = &proxy->getRef<TTF>();
+			RefBase* data = (RefBase*)ttf->getUserdata();
+			data->release();
+		}
+        proxy->release();
+        return 0; 
+    }
+
+	/* typeset(Text | string, lineheight, spacing) */
+    static int l_typeset(lua_State* L)
+    {
+        Proxy* p = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TTF);
+		TTF* ttf = p->getObject<TTF>();
+        int lineheight = luax_checkinteger(L, 3);
+        int spacing = luax_optnumber(L, 4, 0);
+		Page* page = nullptr;
+		if (luax_isstring(L, 2))
+		{
+			unsigned length;
+			const char* str = luax_checklstring(L, 2, &length);
+			Text text(Encode::UTF8, str, length);
+			page = ttf->typeset(text, lineheight, spacing);
+		}
+		else if (luax_istype(L, 2, JIN_GRAPHICS_TEXT))
+		{
+			Proxy* p2 = (Proxy*)luax_checktype(L, 2, JIN_GRAPHICS_TEXT);
+			Text* text = p2->getObject<Text>();
+			page = ttf->typeset(*text, lineheight, spacing);
+		}
+        Proxy* proxy = (Proxy*)luax_newinstance(L, JIN_GRAPHICS_PAGE, sizeof(Proxy));
+		Ref<Page>* refPage = new Ref<Page>(page, JIN_GRAPHICS_PAGE);
+		{
+			/* retain related ttf */
+			Ref<TTF>& refTTF = p->getRef<TTF>();
+			refTTF.retain();
+			refPage->setUserdata(&refTTF);
+		}
+		proxy->bind(refPage);
+        return 1;
+    }
+
+    static const luaL_Reg f[] = {
+        { "__gc",    l_gc      },
+        { "typeset", l_typeset },
+        { 0,         0         }
+    };
+
+    int luaopen_TTF(lua_State* L)
+    {
+        luax_newtype(L, JIN_GRAPHICS_TTF, f);
+
+        return 0;
+    }
+
+} // lua
+} // jin
\ No newline at end of file
-- 
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