[fix] Better color?

fonts/pixel_font.cpp

@@ -3,16 +3,7 @@
 #include <graphics/draw.h>
 #include <common.h>
 
-static unsigned int pf_x = 0;
-static unsigned int pf_y = 1;
-
-void pf_reset_position(void) {
-    // 其实应该还要清一下屏，后面思考一个安全的做法
-    pf_x = 0;
-    pf_y = 1;
-}
-
-void pf_print_char(char c, unsigned int basex, unsigned int basey, COLOR_RGB color) {
+void pf_print_char(char c, uint16_t basex, uint16_t basey, COLOR_RGB color) {
     for (unsigned int y = 0; y < 16; y++) {
         unsigned char data = hankaku_pixels[c][y];
         for (int x = 7; x >= 0; x--) {
@@ -31,27 +22,9 @@ void pf_print_char(char c, unsigned int basex, unsigned int basey, COLOR_RGB col
     }
 }
 
-void pf_print(const char* text, COLOR_RGB color) {
+void pf_print(const char* text, uint16_t basex, uint16_t basey, COLOR_RGB color) {
     for (unsigned int i = 0; i < strlen(text); i++) {
         char c = text[i];
-        if (c == '\n') {
-            pf_x = 0;
-            pf_y++;
-            if ((pf_y - 1) * 16 >= g_gfx.vr) {
-                gfx_clear();
-                pf_y = 1;
-            }
-            continue;
-        }
-        if (pf_x * 9 + 9 > g_gfx.hr) {
-            pf_x = 0;
-            pf_y++;
-            if ((pf_y - 1) * 16 >= g_gfx.vr) {
-                gfx_clear();
-                pf_y = 1;
-            }
-        }
-        pf_print_char(c, pf_x * 9, (pf_y - 1) * 16, color);
-        pf_x++;
+        pf_print_char(c, basex + i * 8, basey, color);
     }
 }