[feat] hankaku print

graphics/context.cpp

@@ -0,0 +1,10 @@
+#include <graphics/context.h>
+
+gfx_context g_gfx;
+
+void gfx_init(EFI_GRAPHICS_OUTPUT_PROTOCOL *GOP) {
+    g_gfx.GOP = GOP;
+    g_gfx.hr = GOP->Mode->Info->HorizontalResolution;
+    g_gfx.vr = GOP->Mode->Info->VerticalResolution;
+    g_gfx.base = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) GOP->Mode->FrameBufferBase;
+}

graphics/draw.cpp

@@ -1,11 +1,10 @@
-#include <efi.h>
+#include <graphics/draw.h>
 
-void draw_pixel(unsigned int x, unsigned int y, EFI_GRAPHICS_OUTPUT_BLT_PIXEL color, 
-        EFI_GRAPHICS_OUTPUT_PROTOCOL *GOP, unsigned int hr, EFI_GRAPHICS_OUTPUT_BLT_PIXEL *base) {
-    EFI_GRAPHICS_OUTPUT_BLT_PIXEL *p = base + (hr * y) + x;
+void draw_pixel(unsigned int x, unsigned int y, EFI_GRAPHICS_OUTPUT_BLT_PIXEL color) {
+    EFI_GRAPHICS_OUTPUT_BLT_PIXEL *p = g_gfx.base + (g_gfx.hr * y) + x;
 
     p->Blue = color.Blue;
     p->Green = color.Green;
     p->Red = color.Red;
     p->Reserved = color.Reserved;
-}
+}