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459
Project/Src/MyWin/MyWinCore/mywin_font.c
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459
Project/Src/MyWin/MyWinCore/mywin_font.c
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#include "mywin_inc.h"
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//使用点阵显示字体
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static u32 WIN_DrawCharAtCommon (char c,int x,int y);
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static u32 WIN_DrawWordAtCommon (char *c,int x,int y);
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//使用透明度显示字体
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static u32 WIN_DrawCharAtNormal (char c,int x,int y);
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static u32 WIN_DrawWordAtNormal (char *c,int x,int y);
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//返回字体高度
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int WIN_GetFontHight (void)
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{
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return WIN_GetWinStruct()->font.TxtH;
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}
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//返回字体宽度
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int WIN_GetFontWidth (void)
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{
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return WIN_GetWinStruct()->font.TxtW;
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}
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//设置字体模式，1，填充背景，0，不填充背景
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int WIN_SetFontMode (int mode)
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{
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WIN_GetWinStruct()->lcd->setDrawMode(!mode);
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return 0;
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}
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//-------------------------字形缓冲区--------------------------------------
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typedef struct
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{
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int word;
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u32 data_size;
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u8 *data;
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} _font_data;
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typedef struct
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{
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u32 buff_size; //总大小
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u32 buff_used; //使用了多少
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_font_data *font_data;
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}WIN_FontBuffStruct;
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//定义字形缓冲池的个数
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#define FONT_NUM 200
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static WIN_FontBuffStruct *g_font;
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//创建一个指定大小的字形缓冲区
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WIN_FontBuffStruct *WIN_CreatFontBuff (u32 size)
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{
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WIN_FontBuffStruct *ret=mycalloc( sizeof (WIN_FontBuffStruct));
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if (ret==0) return ret;
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ret->font_data=mymalloc_exm (sizeof(_font_data)*size);
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if (ret->font_data==0)
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{
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myfree(ret);
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ret=0;
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return ret;
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}
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mymemset(ret->font_data,0,sizeof(_font_data)*size);
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ret->buff_size=size;
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return ret;
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}
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//删除一个字形缓冲区
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void WIN_DeleteFontBuff (WIN_FontBuffStruct *font)
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{
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if (font)
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{
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WIN_FontDrawFunStruct *fn=&WIN_GetWinStruct()->font;
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for (int i=0;i<font->buff_used;i++)
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{
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_font_data *font_data=&font->font_data[i];
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if (font_data->data) fn->free(font_data->data);
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}
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myfree(font->font_data);
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myfree(font);
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}
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}
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// 在index的位置留出插入新字符的空间
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int WIN_InsertFont(WIN_FontBuffStruct *font, _font_data *data,int index)
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{
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if(font==0) return 0;
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if(index>font->buff_used) return 0;
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WIN_FontDrawFunStruct *fn=&WIN_GetWinStruct()->font;
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int num=font->buff_used-index;
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_font_data *font_data=&font->font_data[index];
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// index之后的向后移
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if(font->buff_used>=font->buff_size)
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{
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// 缓冲池已满，删除最后一个
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_font_data *end=&font->font_data[font->buff_used-1];
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fn->free(end->data);
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}
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else
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{
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font->buff_used++;
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}
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// 直接向后移
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for(int i=num;i>0;i--)
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{
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_font_data *end=&font_data[i];
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_font_data *first=&font_data[i-1];
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mymemcpy(end,first,sizeof(_font_data));
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}
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// 插入新的字符
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mymemcpy(font_data,data,sizeof(_font_data));
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return 1;
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}
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//添加字形数据
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int WIN_AddFontData (WIN_FontBuffStruct *font,u8 size,int word,u8 *buff,u32 buff_size)
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{
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if (font)
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{
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_font_data font_data={0};
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font_data.word=(size<<16)|word;
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font_data.data=buff;
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font_data.data_size=buff_size;
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if(WIN_InsertFont(font,&font_data,font->buff_used/2)==0)
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printf("%s:insert font err \r\n",__func__);
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}
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return 0;
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}
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_font_data *WIN_FontUsed(WIN_FontBuffStruct *font,int index)
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{
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_font_data *font_data=0;
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font_data=&font->font_data[index];
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if(index!=0)
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{
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_font_data *font_temp=mymalloc(sizeof(_font_data));
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_font_data *font_first=&font->font_data[index-1];
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mymemcpy(font_temp,font_data,sizeof(_font_data));
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mymemcpy(font_data,font_first,sizeof(_font_data));
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mymemcpy(font_first,font_temp,sizeof(_font_data));
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myfree(font_temp);
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font_data=font_first;
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}
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return font_data;
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}
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//搜索缓冲区中的字形数据
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u8 *WIN_SearchFontData (WIN_FontBuffStruct *font,u8 size,int word,u32 *buff_size)
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{
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u8 *ret=0;
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if (font)
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{
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int temp=(size<<16)|word;//定义字形数据
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for (int i=0;i<font->buff_used;i++)
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{
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int index=i;
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_font_data *font_data=0;
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font_data=&font->font_data[index];
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if (font_data->word==temp)
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{
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//使用了一次，排位靠前
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font_data=WIN_FontUsed(font,index);
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ret=font_data->data;
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if (buff_size) *buff_size=font_data->data_size;
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break;
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}
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}
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}
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return ret;
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}
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//获取字形数据，缓冲区有就提取缓冲区的数据
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//缓冲区中没有就调用获取字形函数
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u8 *WIN_GetFontData (WIN_FontBuffStruct *font,int word,u32 *buff_size)
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{
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u8 *buff=0;
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WIN_FontDrawFunStruct *fn=&WIN_GetWinStruct()->font;
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buff=WIN_SearchFontData(font,fn->TxtSize,word,buff_size);
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if (buff==0)
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{
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buff=fn->malloc(*buff_size);
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WIN_GetWordData (fn->TxtSize,fn->TxtType,buff,word,*buff_size);
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WIN_AddFontData (font,fn->TxtSize,word,buff,*buff_size);
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}
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return buff;
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}
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//设置字体尺寸
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int WIN_SetFontSize (int size)
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{
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WIN_FontDrawFunStruct *font=&WIN_GetWinStruct()->font;
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int ret=font->TxtSize;
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u8 set_size=size;
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font->TxtSize=set_size;
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font->TxtH=set_size;
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font->TxtW=set_size;
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if(font->TxtType==0)
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{
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font->drawChar=WIN_DrawCharAtCommon;
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font->drawWord=WIN_DrawWordAtCommon;
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}
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return ret;
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}
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//设置字体类型
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int WIN_SetFontType(int type)
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{
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WIN_FontDrawFunStruct *font=&WIN_GetWinStruct()->font;
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int ret=font->TxtType;
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font->TxtType=type?WIN_FONT_TYPE_NORMAL:WIN_FONT_TYPE_BITMAP;
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//如果切换了显示类型，以前缓冲区的字体不能用了
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if(font->TxtType!=ret)
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{
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WIN_DeleteFontBuff(g_font);
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}
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if(font->TxtType==WIN_FONT_TYPE_BITMAP)
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{
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font->drawChar=WIN_DrawCharAtCommon;
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font->drawWord=WIN_DrawWordAtCommon;
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}
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else
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{
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font->drawChar=WIN_DrawCharAtNormal;
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font->drawWord=WIN_DrawWordAtNormal;
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}
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return ret;
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}
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//-------------------------绘制字体回调函数--------------------------------------
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//通用的绘制英文字符
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static u32 WIN_DrawCharAtCommon (char c,int x,int y)
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{
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u8 size=WIN_GetWinStruct()->font.TxtSize;
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u8 wid=size/2;
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u8 hit=size;
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s8 off_left=0;
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s8 off_up=0;
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u8 w_byte=wid/8+1;
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if (wid%8) w_byte++;
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u8 h_byte=hit;
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u32 all_byte= w_byte*h_byte+5;
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u32 ret=0;
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u8 *buff=0;
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//获取字模
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if (g_font==0) g_font=WIN_CreatFontBuff(FONT_NUM);
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buff=WIN_GetFontData(g_font,c,&all_byte);
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wid=buff[all_byte-5];
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hit=buff[all_byte-4];
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w_byte=buff[all_byte-3];
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off_left=buff[all_byte-2];
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off_up=(size-buff[all_byte-1])-size/10;
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//显示字模
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for (int j=0;j<hit+0;j++)
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{
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for (int i=0;i<wid+0;i++)
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{
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WIN_DrawPointSafe (x+i+off_left,y+j+off_up,(buff[j*w_byte+i/8]<<(i%8))&0x80);
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}
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}
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ret=WIN_GetFontWidth()/2;
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return ret;
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}
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//通用的绘制中文字符
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static u32 WIN_DrawWordAtCommon (char *c,int x,int y)
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{
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u8 size=WIN_GetWinStruct()->font.TxtSize;
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u8 wid=size;
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u8 hit=size;
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s8 off_left=0;
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s8 off_up=0;
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u8 w_byte=wid/8+1;
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if (wid%8) w_byte++;
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u8 h_byte=hit;
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u32 all_byte= w_byte*h_byte+5;
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u32 ret=0;
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u8 *buff=0;
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//获取字模
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if (g_font==0) g_font=WIN_CreatFontBuff(FONT_NUM);
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buff=WIN_GetFontData(g_font,(c[0]<<8)|c[1],&all_byte);
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wid=buff[all_byte-5];
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hit=buff[all_byte-4];
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w_byte=buff[all_byte-3];
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off_left=buff[all_byte-2];
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off_up=(size-buff[all_byte-1])-size/10;
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//显示字模
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for (int j=0;j<hit+0;j++)
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{
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for (int i=0;i<wid+0;i++)
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{
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WIN_DrawPointSafe (x+i+off_left,y+j+off_up,(buff[j*w_byte+i/8]<<(i%8))&0x80);
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}
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}
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ret=WIN_GetFontWidth();
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return ret;
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}
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//通用的绘制英文字符
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static u32 WIN_DrawCharAtNormal (char c,int x,int y)
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{
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u8 size=WIN_GetWinStruct()->font.TxtSize;
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u8 wid=size/2;
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u8 hit=size;
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s8 off_left=0;
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s8 off_up=0;
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u8 w_byte=wid;
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u8 h_byte=hit;
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u32 all_byte= w_byte*h_byte+5;
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u32 ret=0;
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u8 *buff=0;
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//获取字模
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if (g_font==0) g_font=WIN_CreatFontBuff(FONT_NUM);
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buff=WIN_GetFontData(g_font,c,&all_byte);
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wid=buff[all_byte-5];
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hit=buff[all_byte-4];
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w_byte=buff[all_byte-3];
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off_left=buff[all_byte-2];
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off_up=(size-buff[all_byte-1])-size/10;
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//显示字模
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u16 color=WIN_GetLcdColor16();
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for (int j=0;j<hit+0;j++)
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{
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for (int i=0;i<wid+0;i++)
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{
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WIN_DrawPointSafeColorAlpha (x+i+off_left,y+j+off_up,color,buff[j*wid+i]>>3);
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}
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}
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ret=WIN_GetFontWidth()/2;
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return ret;
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}
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//通用的绘制中文字符
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static u32 WIN_DrawWordAtNormal (char *c,int x,int y)
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{
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u8 size=WIN_GetWinStruct()->font.TxtSize;
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u8 wid=size;
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u8 hit=size;
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s8 off_left=0;
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s8 off_up=0;
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u8 w_byte=wid;
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u8 h_byte=hit;
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u32 all_byte= w_byte*h_byte+5;
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u32 ret=0;
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u8 *buff=0;
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//获取字模
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if (g_font==0) g_font=WIN_CreatFontBuff(FONT_NUM);
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buff=WIN_GetFontData(g_font,(c[0]<<8)|c[1],&all_byte);
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wid=buff[all_byte-5];
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hit=buff[all_byte-4];
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w_byte=buff[all_byte-3];
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off_left=buff[all_byte-2];
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off_up=(size-buff[all_byte-1])-size/10;
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//显示字模
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u16 color=WIN_GetLcdColor16();
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for (int j=0;j<hit+0;j++)
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{
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for (int i=0;i<wid+0;i++)
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{
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WIN_DrawPointSafeColorAlpha (x+i+off_left,y+j+off_up,color,buff[j*wid+i]>>3);
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}
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}
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ret=WIN_GetFontWidth();
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return ret;
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}
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Block a user