*增加默认字体

6 files changed, 69 insertions, 59 deletions

diff --git a/src/libjin/Graphics/Font/Font.h b/src/libjin/Graphics/Font/Font.h
index 424c324..fcc559c 100644
--- a/src/libjin/Graphics/Font/Font.h
+++ b/src/libjin/Graphics/Font/Font.h
@@ -13,7 +13,10 @@ namespace graphics
     class Font
     {
     public:
-        Font() {}
+        Font(unsigned fontsize)
+            : fontSize(fontsize)
+        {
+        }
         virtual ~Font() {};
 
 		virtual Page* typeset(const Text& text, int lineheight, int spacing = 0) = 0;
@@ -23,6 +26,11 @@ namespace graphics
         virtual void print(const Content& text, int x, int y, int lineheight, int spacing = 0) = 0;
 		virtual void print(const Text& text, int x, int y, int lineheight, int spacing = 0) = 0;
 
+        inline unsigned getFontSize() { return fontSize; };
+    
+    protected:
+        unsigned fontSize;
+
     };
 
 } // graphics
diff --git a/src/libjin/Graphics/Font/TTF.cpp b/src/libjin/Graphics/Font/TTF.cpp
index 5c77e7f..ff4dcc7 100644
--- a/src/libjin/Graphics/Font/TTF.cpp
+++ b/src/libjin/Graphics/Font/TTF.cpp
@@ -55,12 +55,12 @@ namespace graphics
         free(raw.data);
     }
 
-	TTF* TTFData::createTTF(unsigned ttfsize)
+	TTF* TTFData::createTTF(unsigned fontSize)
 	{
 		TTF* ttf;
 		try
 		{
-			ttf = new TTF(this, ttfsize);
+			ttf = new TTF(this, fontSize);
 		}
 		catch (...)
 		{
@@ -150,31 +150,6 @@ namespace graphics
     const int TTF::TEXTURE_WIDTHS[] = { 128, 256, 256, 512, 512, 1024, 1024 };
     const int TTF::TEXTURE_HEIGHTS[] = { 128, 128, 256, 256, 512, 512,  1024 };
 
-    /* utf8 byte string to unicode codepoint */
-    static const char* utf8toCodepoint(const char *p, Codepoint *res) {
-        unsigned x, mask, shift;
-        switch (*p & 0xf0) {
-        case 0xf0:  mask = 0x07;  shift = 18;   break;
-        case 0xe0:  mask = 0x0f;  shift = 12;   break;
-        case 0xc0:
-        case 0xd0:  mask = 0x1f;  shift = 6;   break;
-        default:
-            *res = *p;
-            return p + 1;
-        }
-        x = (*p & mask) << shift;
-        do {
-            if (*(++p) == '\0') {
-                *res = x;
-                return p;
-            }
-            shift -= 6;
-            x |= (*p & 0x3f) << shift;
-        } while (shift);
-        *res = x;
-        return p + 1;
-    }
-
     /* little endian unicode */
     static const char* unicodeLittleEndian(const char* p, unsigned* res)
     {
@@ -195,11 +170,11 @@ namespace graphics
     }
 
     TTF::TTF(TTFData* f, unsigned int fontSize)
-        : cursor(0, 0)
+        : Font(fontSize)
+        , cursor(0, 0)
         , ttf(f)
-        , ttfsize(fontSize)
     {
-        ttf->pushTTFsize(ttfsize);
+        ttf->pushTTFsize(fontSize);
         ttf->getVMetrics(&baseline, &descent);
         estimateSize();
         ttf->popTTFsize();
@@ -341,7 +316,7 @@ namespace graphics
     int TTF::getCharWidth(int c)
     {
         int adw, lsb;
-        ttf->pushTTFsize(ttfsize);
+        ttf->pushTTFsize(fontSize);
         ttf->getHMetrics(c, &adw, &lsb);
         ttf->popTTFsize();
         return adw;
@@ -354,7 +329,7 @@ namespace graphics
 
     int TTF::getTextWidth(const Content& t, int spacing)
     {
-        ttf->pushTTFsize(ttfsize);
+        ttf->pushTTFsize(fontSize);
         int res = 0;
         int tmp = 0;
         for (Codepoint c : t)
@@ -376,7 +351,7 @@ namespace graphics
 
     int TTF::getTextHeight(const Content& t, int lineheight)
     {
-        ttf->pushTTFsize(ttfsize);
+        ttf->pushTTFsize(fontSize);
         int res = 0;
         bool newline = true;
         for (Codepoint c : t)
@@ -396,7 +371,7 @@ namespace graphics
 
     void TTF::getTextBox(const Content& text, int* w, int* h, int lineheight, int spacing)
     {
-        ttf->pushTTFsize(ttfsize);
+        ttf->pushTTFsize(fontSize);
         *w = 0;
         *h = 0;
         int tmp = 0;
@@ -426,7 +401,7 @@ namespace graphics
     TTF::TTFGlyph& TTF::bakeGlyph(unsigned int character)
     {
         int w, h, xoff, yoff;
-        ttf->pushTTFsize(ttfsize);
+        ttf->pushTTFsize(fontSize);
         GLuint atlas = atlases.back();
         const Color* bitmap = ttf->getCodepointBitmap(character, &w, &h, &xoff, &yoff);
         int adw, lsb;
diff --git a/src/libjin/Graphics/Font/TTF.h b/src/libjin/Graphics/Font/TTF.h
index 7f4f873..4e9a7ae 100644
--- a/src/libjin/Graphics/Font/TTF.h
+++ b/src/libjin/Graphics/Font/TTF.h
@@ -117,7 +117,6 @@ namespace graphics
         std::vector<GLuint> atlases;
         std::map<Codepoint, TTFGlyph> glyphs;
         TTFData* ttf;
-        const unsigned int ttfsize;
         int baseline;
         int descent; 
 
diff --git a/src/libjin/Graphics/Font/TextureFont.cpp b/src/libjin/Graphics/Font/TextureFont.cpp
index 4dde236..7ee1962 100644
--- a/src/libjin/Graphics/Font/TextureFont.cpp
+++ b/src/libjin/Graphics/Font/TextureFont.cpp
@@ -231,6 +231,7 @@ namespace graphics
 
     TextureFont::TextureFont(const Bitmap* bitmap, const Content& codepoints, int cellw, int cellh)
         : Drawable(bitmap)
+        , Font(cellh)
     {
 		TextureGlyph glyph; 
 		Vector2<int> count(bitmap->getWidth() / cellw, bitmap->getHeight() / cellh);
@@ -251,6 +252,7 @@ namespace graphics
 
     TextureFont::TextureFont(const Bitmap* bitmap, const Content& codepoints, Color mask, int cellh)
         : Drawable(bitmap)
+        , Font(cellh)
     {
 		TextureGlyph glyph;
 		glyph.h = cellh;
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                }
     };
 
diff --git a/src/lua/modules/graphics/ttf.cpp b/src/lua/modules/graphics/ttf.cpp
index 19e9e92..3d88a62 100644
--- a/src/lua/modules/graphics/ttf.cpp
+++ b/src/lua/modules/graphics/ttf.cpp
@@ -28,7 +28,7 @@ namespace lua
     {
         Proxy* p = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TTF);
 		TTF* ttf = p->getObject<TTF>();
-        int lineheight = luax_checkinteger(L, 3);
+        int lineheight = luax_optnumber(L, 3, ttf->getFontSize());
         int spacing = luax_optnumber(L, 4, 0);
 		Page* page = nullptr;
 		if (luax_isstring(L, 2))