gfx/Fonts: Remove unused chinese fonts

It only has 27 characters, which as far as I can tell are useless for
actual chinese text.

Copying the list of characters in the same order of font24CN.c into
google trans gives out this almost meaningful message:

> Hello, Microsoft Yahei, the corresponding dot matrix for this font is
> Raspberry Pi Aabc Micro Snow Electronics

lib/gfx/Fonts/font12CN.c

-/**
-  ******************************************************************************
-  * @file    Font12.c
-  * @author  MCD Application Team
-  * @version V1.0.0
-  * @date    18-February-2014
-  * @brief   This file provides text Font12 for STM32xx-EVAL's LCD driver. 
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
-  *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
-  *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-  *
-  ******************************************************************************
-  */
-
-/* Includes ------------------------------------------------------------------*/
-#include "fonts.h"
-
-
-// 
-//  Font data for Courier New 12pt
-// 
-
-const CH_CN Font12CN_Table[] = 
-{
-/*--  文字:  你  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"你",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1D,0xC0,0x1D,0x80,0x3B,0xFF,0x3B,0x07,
-0x3F,0x77,0x7E,0x76,0xF8,0x70,0xFB,0xFE,0xFB,0xFE,0x3F,0x77,0x3F,0x77,0x3E,0x73,
-0x38,0x70,0x38,0x70,0x3B,0xE0,0x00,0x00,0x00,0x00},
-
-/*--  文字:  好  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"好",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x00,0x73,0xFF,0x70,0x0F,0xFE,0x1E,
-0x7E,0x3C,0x6E,0x38,0xEE,0x30,0xEF,0xFF,0xFC,0x30,0x7C,0x30,0x38,0x30,0x3E,0x30,
-0x7E,0x30,0xE0,0x30,0xC1,0xF0,0x00,0x00,0x00,0x00},
-
-/*--  文字:  树  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"树",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x0E,0x30,0x0E,0x3F,0xEE,0x30,0xEE,
-0xFC,0xFF,0x76,0xCE,0x77,0xFE,0x7B,0xFE,0xFF,0xFE,0xF3,0xDE,0xF3,0xCE,0x37,0xEE,
-0x3E,0x6E,0x3C,0x0E,0x30,0x3E,0x00,0x00,0x00,0x00},
-
-/*--  文字:  莓  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"莓",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x70,0xFF,0xFF,0x3E,0x70,0x38,0x00,
-0x7F,0xFF,0xE0,0x00,0xFF,0xFC,0x3B,0x8C,0x39,0xCC,0xFF,0xFF,0x73,0x9C,0x71,0xDC,
-0x7F,0xFF,0x00,0x1C,0x01,0xF8,0x00,0x00,0x00,0x00},
-
-/*--  文字:  派  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"派",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x1F,0xFF,0xF0,0x3E,0x00,0x0E,0x1F,
-0xCF,0xFB,0xFF,0xF8,0x3F,0xFF,0x0F,0xFF,0x7F,0xD8,0x7F,0xDC,0x6F,0xCE,0xED,0xFF,
-0xFD,0xF7,0xF9,0xC0,0x00,0x00,0x00,0x00,0x00,0x00},
-
-/*--  文字:  a  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"a",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x3E,0x00,0x67,0x00,0x07,0x80,0x0F,0x80,0x7F,0x80,0xE3,0x80,0xE7,0x80,0xE7,0x80,
-0x7F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-
-/*--  文字:  b  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"b",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0x70,0x00,0x70,0x00,0x70,0x00,
-0x7F,0x00,0x7B,0x80,0x71,0xC0,0x71,0xC0,0x71,0xC0,0x71,0xC0,0x71,0xC0,0x7B,0x80,
-0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-
-/*--  文字:  c  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"c",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x3F,0x00,0x73,0x00,0xF0,0x00,0xE0,0x00,0xE0,0x00,0xE0,0x00,0xF0,0x00,0x73,0x00,
-0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-
-/*--  文字:  A  --*/
-/*--  微软雅黑12;  此字体下对应的点阵为：宽x高=16x21   --*/
-{"A",
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x1F,0x00,0x1F,0x00,
-0x1F,0x00,0x3B,0x80,0x3B,0x80,0x71,0x80,0x7F,0xC0,0x71,0xC0,0xE0,0xE0,0xE0,0xE0,
-0xE0,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
-};
-
-cFONT Font12CN = {
-  Font12CN_Table,
-  sizeof(Font12CN_Table)/sizeof(CH_CN),  /*size of table*/
-  11, /* ASCII Width */
-  16, /* Width */
-  21, /* Height */
-};
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

lib/gfx/Fonts/fonts.h

@@ -61,32 +61,12 @@ typedef struct _tFont
 } sFONT;
 
 
-//GB2312
-typedef struct                                          // 汉字字模数据结构
-{
-  unsigned char index[2];                               // 汉字内码索引
-  const char matrix[MAX_HEIGHT_FONT*MAX_WIDTH_FONT/8];  // 点阵码数据
-}CH_CN;
-
-
-typedef struct
-{    
-  const CH_CN *table;
-  uint16_t size;
-  uint16_t ASCII_Width;
-  uint16_t Width;
-  uint16_t Height;
-  
-}cFONT;
-
 extern sFONT Font24;
 extern sFONT Font20;
 extern sFONT Font16;
 extern sFONT Font12;
 extern sFONT Font8;
 
-extern cFONT Font12CN;
-extern cFONT Font24CN;
 #ifdef __cplusplus
 }
 #endif

lib/gfx/meson.build

@@ -10,11 +10,9 @@ sources = files(
   './LCD/LCD_Driver.c',
   './Fonts/font8.c',
   './Fonts/font12.c',
-  './Fonts/font12CN.c',
   './Fonts/font16.c',
   './Fonts/font20.c',
   './Fonts/font24.c',
-  './Fonts/font24CN.c',
   'framebuffer.c',
   'gfx.c',
   'textbuffer.c'