From 6551adeca70d4299a99d45245d4e13dbfdfa87e5 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 23 Oct 2018 15:56:01 +0800
Subject: =?UTF-8?q?*=E4=BF=AE=E6=94=B9lua=E7=BB=91=E5=AE=9A=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6=E7=9A=84=E6=96=87=E4=BB=B6=E5=90=8D?=
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---
 src/lua/modules/graphics/je_lua_bitmap.cpp | 113 +++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/lua/modules/graphics/je_lua_bitmap.cpp

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

diff --git a/src/lua/modules/graphics/je_lua_bitmap.cpp b/src/lua/modules/graphics/je_lua_bitmap.cpp
new file mode 100644
index 0000000..13517f9
--- /dev/null
+++ b/src/lua/modules/graphics/je_lua_bitmap.cpp
@@ -0,0 +1,113 @@
+#include "lua/modules/luax.h"
+#include "lua/modules/types.h"
+#include "lua/common/common.h"
+#include "libjin/jin.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        using namespace JinEngine::Graphics;
+
+        typedef Ref<Bitmap>& BitmapRef;
+
+        static inline BitmapRef checkBitmap(lua_State* L)
+        {
+            Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_BITMAP);
+            return proxy->getRef<Bitmap>();
+        }
+
+        static int l_gc(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            ref.release();
+            return 0;
+        }
+
+        static int l_getWidth(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            int w = ref->getWidth(); 
+            luax_pushinteger(L, w);
+            return 1;
+        }
+
+        static int l_getHeight(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            int h = ref->getHeight();
+            luax_pushinteger(L, h);
+            return 1;
+        }
+
+        static int l_getSize(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            int w = ref->getWidth();
+            int h = ref->getHeight();
+            luax_pushinteger(L, w);
+            luax_pushinteger(L, h);
+            return 2;
+        }
+
+        static int l_getPixel(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            int x = luax_checkinteger(L, 2);
+            int y = luax_checkinteger(L, 3);
+            Color col = ref->getPixel(x, y);
+            luax_pushinteger(L, col.r);
+            luax_pushinteger(L, col.g);
+            luax_pushinteger(L, col.b);
+            luax_pushinteger(L, col.a);
+            return 4;
+        }
+
+        static int l_setPixel(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            int x = luax_checkinteger(L, 2);
+            int y = luax_checkinteger(L, 3);
+            if (!luax_istable(L, 4))
+            {
+                luax_typerror(L, 4, "table");
+                return 1;
+            }
+            unsigned int r = luax_rawgetnumber(L, 4, 1);
+            unsigned int g = luax_rawgetnumber(L, 4, 2);
+            unsigned int b = luax_rawgetnumber(L, 4, 3);
+            unsigned int a = luax_rawgetnumber(L, 4, 4);
+            ref->setPixel(Color(r, g, b, a), x, y);
+            return 0;
+        }
+
+        static int l_clone(lua_State* L)
+        {
+            BitmapRef ref = checkBitmap(L);
+            Bitmap* bitmap = ref.getObject();
+            Bitmap* b = Bitmap::clone(bitmap);
+            Proxy* proxy = (Proxy*)luax_newinstance(L, JIN_GRAPHICS_BITMAP, sizeof(Proxy));
+            proxy->bind(new Ref<Bitmap>(b, JIN_GRAPHICS_BITMAP));
+            return 1;
+        }
+
+        static const luaL_Reg f[] = {
+            { "__gc",      l_gc        },
+            { "getWidth",  l_getWidth  },
+            { "getHeight", l_getHeight },
+            { "getSize",   l_getSize   },
+            { "getPixel",  l_getPixel  },
+            { "setPixel",  l_setPixel  },
+            { "clone",     l_clone     },
+            { 0,           0           }
+        };
+
+        int luaopen_Bitmap(lua_State* L)
+        {
+            luax_newtype(L, JIN_GRAPHICS_BITMAP, f);
+            return 0;
+        }
+
+    } // graphics
+} // namespace JinEngine
\ No newline at end of file
-- 
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