added BitmapFont.cpp/.h and VGA8.F16

BitmapFont.cpp

@@ -0,0 +1,34 @@
+#include<hgl/filesystem/FileSystem.h>
+
+using namespace hgl;
+
+namespace
+{
+    uint8 *bitmap_font_data=nullptr;
+}//namespace
+
+bool LoadBitmapFont()
+{
+    if(bitmap_font_data)
+        return(true);
+
+    bitmap_font_data=new uint8[256*16];
+
+    if(!filesystem::LoadFileToMemory(OS_TEXT("VGA8.F16"), (void **)&bitmap_font_data))
+        return(false);
+
+    return(true);
+}
+
+void ClearBitmapFont()
+{
+    SAFE_CLEAR_ARRAY(bitmap_font_data);
+}
+
+const uint GetCharWidth(){return bitmap_font_data?8:0;}
+const uint GetCharHeight(){return bitmap_font_data?16:0;}
+
+const uint8 *GetBitmapChar(const char ch)
+{
+    return bitmap_font_data+uchar(ch)*16;
+}