*增加默认字体

1 files changed, 47 insertions, 21 deletions

diff --git a/src/lua/modules/graphics/graphics.cpp b/src/lua/modules/graphics/graphics.cpp
index a62802c..5d99915 100644
--- a/src/lua/modules/graphics/graphics.cpp
+++ b/src/lua/modules/graphics/graphics.cpp
@@ -12,6 +12,8 @@ namespace lua
     using jin::filesystem::Filesystem;
     using jin::filesystem::Buffer;
 
+#include "../../resources/font.ttf.h"
+
     static struct
     {
         Color curRenderColor;
@@ -35,6 +37,11 @@ namespace lua
             luax_pushboolean(L, false);
             return 1;
         }
+        /* load default font */ 
+        TTFData* ttfData = TTFData::createTTFData(font_ttf, sizeof(font_ttf));
+        context.defaultFont = ttfData->createTTF(15);
+        context.curFont = context.defaultFont;
+
         luax_pushboolean(L, true);
         return 1;
     }
@@ -234,44 +241,43 @@ namespace lua
 			return;
 		Proxy* p = (Proxy*)luax_toudata(L, 1);
 		Text* text = p->getObject<Text>();
-		Proxy* p2 = (Proxy*)luax_toudata(L, 2);
 		int x = luax_optnumber(L, 3, 0);
 		int y = luax_optnumber(L, 4, 0);
-		int lineheight = luax_optnumber(L, 5, 12);
 		int spacing = luax_optnumber(L, 6, 0);
+        Font* font = nullptr;
+        Proxy* p2 = (Proxy*)luax_toudata(L, 2);
 		if (luax_istype(L, 2, JIN_GRAPHICS_TEXTUREFONT))
 		{
 			TextureFont* tf = p2->getObject<TextureFont>();
-			tf->print(*text, x, y, lineheight, spacing);
+            font = tf;
 		}
 		else if (luax_istype(L, 2, JIN_GRAPHICS_TTF))
 		{
 			TTF* ttf = p2->getObject<TTF>();
-			ttf->print(*text, x, y, lineheight, spacing);
+            font = ttf;
 		}
+        else
+        {
+            font = context.defaultFont;
+        }
+        int lineheight = luax_optnumber(L, 5, font->getFontSize());
+        font->print(*text, x, y, lineheight, spacing);
 	}
 
-	/* print(string[, font], x, y, lineheight, spacing) */
+	/* print(string, x, y, lineheight, spacing) */
 	static int l_print(lua_State* L)
 	{
+        Font* font = context.curFont;
+        if (font == nullptr)
+            return 0;
 		unsigned length;
 		const char* str = luax_checklstring(L, 1, &length);
 		Text text(Encode::UTF8, str, length);
-		Proxy* p = (Proxy*)luax_toudata(L, 2);
-		int x = luax_optnumber(L, 3, 0);
-		int y = luax_optnumber(L, 4, 0);
-		int lineheight = luax_optnumber(L, 5, 12);
-		int spacing = luax_optnumber(L, 6, 0);
-		if (luax_istype(L, 2, JIN_GRAPHICS_TEXTUREFONT))
-		{
-			TextureFont* tf = p->getObject<TextureFont>();
-			tf->print(text, x, y, lineheight, spacing);
-		}
-		else if (luax_istype(L, 2, JIN_GRAPHICS_TTF))
-		{
-			TTF* ttf = p->getObject<TTF>();
-			ttf->print(text, x, y, lineheight, spacing);
-		}
+		int x = luax_optnumber(L, 2, 0);
+		int y = luax_optnumber(L, 3, 0);
+		int lineheight = luax_optnumber(L, 4, font->getFontSize());
+		int spacing = luax_optnumber(L, 5, 0);
+        font->print(text, x, y, lineheight, spacing);
 		return 0;
 	}
 
@@ -627,11 +633,30 @@ namespace lua
 		return 1;
 	}
 
+    /* setFont(font) */
 	static int l_setFont(lua_State* L)
 	{
+        if (luax_istype(L, 1, JIN_GRAPHICS_TTF))
+        {
+            Proxy* p = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TTF);
+            TTF* ttf = p->getObject<TTF>();
+            context.curFont = ttf;
+        }
+        else if (luax_istype(L, 1, JIN_GRAPHICS_TEXTUREFONT))
+        {
+            Proxy* p = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TEXTUREFONT);
+            TextureFont* tf = p->getObject<TextureFont>();
+            context.curFont = tf;
+        }
 		return 0;
 	}
 
+    static int l_unsetFont(lua_State* L)
+    {
+        context.curFont = context.defaultFont;
+        return 0;
+    }
+
     static const luaL_Reg f[] = {
 		/* window */
         { "init",           l_init           },
@@ -670,7 +695,8 @@ namespace lua
         { "triangle",       l_triangle       },
         { "polygon",        l_polygon        },
 		/* font */
-		{ "setFont",		l_setFont        },
+        { "setFont",		l_setFont        },
+        { "unsetFont",		l_unsetFont      },
         { 0,                0                }
     };