add chinese string to image

freetype_SDL_Dl_ttf_debug/GBK_To_Unicode.h

@@ -0,0 +1,37 @@
+/************************************************************
+*Copyright (C),lcb0281at163.com lcb0281atgmail.com
+*BlogAddr: caibiao-lee.blog.csdn.net
+*FileName: GBK_To_Unicode.h
+*Description:×ÖÌå¸ñʽת»»
+*Date:     2020-02-03
+*Author:   Caibiao Lee
+*Version:  V1.0
+*Others:
+*History:
+***********************************************************/
+#ifndef _GBK_TO_UNICODE_H_
+#define _GBK_TO_UNICODE_H_
+#include <unistd.h> 
+#include <dirent.h>
+#include <sys/file.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/msg.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <signal.h>
+
+#include <sys/types.h>
+#include <termios.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h> 
+#include <string.h>
+
+extern  unsigned short zz_gbk2uni(unsigned char ch, unsigned char cl);
+extern  int enc_unicode_to_utf8_one(unsigned long unic, unsigned char *pOutput,  
+        int outSize);
+#endif
+

freetype_SDL_Dl_ttf_debug/debug_font_osd.c

@@ -14,6 +14,9 @@
 #include <string.h>
 #include "SDL/SDL.h"
 #include "SDL/SDL_ttf.h"
+#include "debug_font_osd.h"
+
+#define CHINESET_STRING "阿标在学习中"
 
 #define FONT_PATH       "./font/hisi_osd.ttf"
 
@@ -73,10 +76,52 @@ int CreateTimeBmpPicture(void)
     string_to_bmp(s8Contenx);        
 }
 
+int CreateChinesePicture(void)
+{
+    int  i = 0;
+    char l_s32Len = 0;
+    char l_arrs8Str[64] = {0};
+    char l_arrs8UTFBuf[64] = {0};
+    char l_arrss8Contenx[64] = {0};
+    unsigned short usUnicode=0;
+
+    unsigned int usUtfLen=0;
+    unsigned int u32ContenxOffest=0; 
+
+    snprintf(l_arrs8Str,sizeof(l_arrs8Str),"%s",CHINESET_STRING);
+
+    l_s32Len = strlen(l_arrs8Str);
+
+    printf(" len = %d \n",l_s32Len);
+
+    for(i=0;i<l_s32Len;)
+    {
+        usUnicode=zz_gbk2uni((unsigned char)l_arrs8Str[i++],(unsigned char)l_arrs8Str[i++]);
+        usUtfLen= enc_unicode_to_utf8_one(usUnicode,l_arrs8UTFBuf,64);
+        if(usUtfLen<0)
+        {
+            printf("%s %d out len error \n",__FUNCTION__,__LINE__);
+            break;
+        };
+
+        memcpy(&l_arrss8Contenx[u32ContenxOffest],l_arrs8UTFBuf,usUtfLen);
+
+        u32ContenxOffest+=usUtfLen;
+    }
+
+    string_to_bmp(l_arrss8Contenx);
+
+    return 0;
+
+}
+
+
 int main(void)
 {
     printf("hello world \n");
-    CreateTimeBmpPicture();
+    //CreateTimeBmpPicture();
+
+    CreateChinesePicture();
     return 0;
 }