164 lines
4.0 KiB
C
164 lines
4.0 KiB
C
#include "w25qxx.h"
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#include "ltdc_drv.h"
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#include "font_text.h"
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#include "string.h"
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#include "lcd_base_display.h"
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#include "file_cache.h"
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#include "internal_flash.h"
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#define F24addr FLASH_FONT_START_ADDR
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void set_font_color(unsigned int point_color, unsigned int back_color)
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{
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POINT_COLOR = point_color;
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BACK_COLOR = back_color;
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}
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//code 字符指针开始
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//从字库中查找出字模
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//code 字符串的开始地址,GBK码
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//mat 数据存放地址 (size/8+((size%8)?1:0))*(size) bytes大小
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//size:字体大小
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void Get_HzMat(unsigned char *code,unsigned char *mat,unsigned char size)
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{
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static unsigned char kkk[256];
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unsigned char qh,ql;
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unsigned char i;
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unsigned long foffset;
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unsigned char csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数
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qh=*code;
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ql=*(++code);
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/*
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if(qh<0x81||ql<0x40||ql==0xff||qh==0xff)//非常用汉字
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{
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for(i=0;i<csize;i++)*mat++=0x00;//填充满格
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return; //结束访问
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}
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if(ql<0x7f)ql-=0x40;//注意!
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else ql-=0x41;
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qh-=0x81;
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foffset=((unsigned long)190*qh+ql)*csize;//得到字库中的字节偏移量
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*/
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foffset = 72UL*((qh-15-0xa1)*94 + (ql-0xa1));
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if(24 == size){
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//W25QXX_Read(mat,foffset+0,csize);
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//memcpy(mat, (unsigned char *)(FLASH_USER_FONT_24X24 + foffset), csize);
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}
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/*
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switch(size)
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{
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case 12:
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W25QXX_Read(mat,foffset+ftinfo.f12addr,csize);
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break;
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case 16:
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W25QXX_Read(mat,foffset+ftinfo.f16addr,csize);
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break;
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case 24:
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W25QXX_Read(mat,foffset+ftinfo.f24addr,csize);
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break;
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case 32:
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W25QXX_Read(mat,foffset+ftinfo.f32addr,csize);
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break;
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}
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*/
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}
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//显示一个指定大小的汉字
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//x,y :汉字的坐标
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//font:汉字GBK码
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//size:字体大小
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//mode:0,正常显示,1,叠加显示
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void Show_Font(unsigned short x,unsigned short y,unsigned char *font,unsigned char size,unsigned char mode)
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{
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unsigned char temp,t,t1;
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unsigned short y0=y;
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unsigned char dzk[128];
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unsigned char csize=(size/8+((size%8)?1:0))*(size); //得到字体一个字符对应点阵集所占的字节数
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if(size!=12&&size!=16&&size!=24&&size!=32)return; //不支持的size
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Get_HzMat(font,dzk,size); //得到相应大小的点阵数据
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for(t=0;t<csize;t++)
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{
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temp=dzk[t]; //得到点阵数据
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for(t1=0;t1<8;t1++)
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{
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if(temp&0x80)LTDC_Draw_Point(x,y,POINT_COLOR);
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else if(mode==0)LTDC_Draw_Point(x,y,BACK_COLOR);
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temp<<=1;
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y++;
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if((y-y0)==size)
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{
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y=y0;
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x++;
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break;
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}
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}
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}
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}
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//在指定位置开始显示一个字符串
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//支持自动换行
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//(x,y):起始坐标
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//width,height:区域
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//str :字符串
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//size :字体大小
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//mode:0,非叠加方式;1,叠加方式
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void Show_Str(unsigned short x,unsigned short y,unsigned short width,unsigned short height,unsigned char*str,unsigned char size,unsigned char mode)
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{
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unsigned short x0=x;
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unsigned short y0=y;
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unsigned char bHz=0; //字符或者中文
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while(*str!=0)//数据未结束
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{
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if(!bHz)
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{
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if(*str>0x80)bHz=1;//中文
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else //字符
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{
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if(x>(x0+width-size/2))//换行
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{
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y+=size;
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x=x0;
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}
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if(y>(y0+height-size))break;//越界返回
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if(*str==13)//换行符号
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{
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y+=size;
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x=x0;
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str++;
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}
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else LCD_ShowChar(x,y,*str,size,mode);//有效部分写入
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str++;
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x+=size/2; //字符,为全字的一半
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}
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}else//中文
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{
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bHz=0;//有汉字库
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if(x>(x0+width-size))//换行
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{
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y+=size;
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x=x0;
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}
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if(y>(y0+height-size))break;//越界返回
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Show_Font(x,y,str,size,mode); //显示这个汉字,空心显示
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str+=2;
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x+=size;//下一个汉字偏移
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}
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}
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}
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//在指定宽度的中间显示字符串
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//如果字符长度超过了len,则用Show_Str显示
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//len:指定要显示的宽度
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void Show_Str_Mid(unsigned short x,unsigned short y,unsigned char*str,unsigned char size,unsigned char len)
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{
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unsigned short strlenth=0;
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strlenth=strlen((const char*)str);
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strlenth*=size/2;
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/*
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if(strlenth>len)Show_Str(x,y,lcddev.width,lcddev.height,str,size,1);
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else
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{
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strlenth=(len-strlenth)/2;
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Show_Str(strlenth+x,y,lcddev.width,lcddev.height,str,size,1);
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}
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*/
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}
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