426 lines
9.9 KiB
C
426 lines
9.9 KiB
C
//游戏引擎文字显示库
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#include "stdio.h"
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#include "sys.h"
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#include "lcd.h"
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#include "GameEngine.h"
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#include "GE_Font.h"
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/**************************************** 私有定义 ****************************************/
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#define GE_Font_GetACSIIDataSize(__font_size__) ((__font_size__ / 8 + ((__font_size__ % 8) ? 1 : 0)) * (__font_size__ / 2))
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#define GE_Font_GetGBKDataSize(__font_size__) ((__font_size__ / 8 + ((__font_size__ % 8) ? 1 : 0)) * (__font_size__))
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/*****************************************************************************************/
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/**************************************** 私有函数 ****************************************/
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uint8_t GE_Font_GetACSII(uint8_t *font, uint8_t *ch, uint8_t font_size);
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uint8_t GE_Font_PrintACSII(uint16_t x, uint16_t y, uint8_t *ch, uint8_t font_size, uint16_t font_color, uint16_t back_color, uint8_t is_transparent);
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uint8_t GE_Font_GetGBK(uint8_t *font, uint8_t *ch, uint8_t font_size);
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uint8_t GE_Font_PrintGBK(uint16_t x, uint16_t y, uint8_t *ch, uint8_t font_size, uint16_t font_color, uint16_t back_color, uint8_t is_transparent);
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/*****************************************************************************************/
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_ge_font_print_set ge_font_print_set;
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/**
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* @brief 初始化 GE_Font
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*/
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void GE_Font_Init(void)
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{
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//绘制汉字设置
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ge_font_print_set.font_size = FONT_12;
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ge_font_print_set.font_color = BLACK;
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ge_font_print_set.back_color = WHITE;
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ge_font_print_set.is_transparent = TRUE;
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}
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/**
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* @brief 从字库读 ACSII 字符。说明略
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*/
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uint8_t GE_Font_GetACSII(uint8_t *font, uint8_t *ch, uint8_t font_size)
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{
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uint32_t addr, offset;
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uint16_t data_size = GE_Font_GetACSIIDataSize(font_size);
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offset = (uint32_t)data_size * (*ch);
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switch (font_size)
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{
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case FONT_12:
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addr = offset + ADDR_ASCII12;
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break;
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case FONT_16:
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addr = offset + ADDR_ASCII16;
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break;
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case FONT_24:
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addr = offset + ADDR_ASCII24;
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break;
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case FONT_32:
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addr = offset + ADDR_ASCII32;
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break;
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case FONT_48:
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addr = offset + ADDR_ASCII48;
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break;
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case FONT_64:
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addr = offset + ADDR_ASCII64;
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break;
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default:
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return 1;
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}
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LCD_Font_ReadAddr(font, addr, data_size); //从字库读取字符到 font
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return 0;
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}
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/**
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* @brief 显示 ACSII 字符。说明略
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*/
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uint8_t GE_Font_PrintACSII(uint16_t x, uint16_t y, uint8_t *ch, uint8_t font_size, uint16_t font_color, uint16_t back_color, uint8_t is_transparent)
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{
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uint16_t data_size = GE_Font_GetACSIIDataSize(font_size);
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//从字库获取字符
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uint8_t font[256]; //使用 FONT_64 时需要 256 大小
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if (GE_Font_GetACSII(font, ch, font_size) != 0)
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return 1;
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uint8_t temp8;
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uint16_t x0 = x, y0 = y;
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//循环纵向输出
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for (uint16_t i = 0; i < data_size; i++)
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{
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temp8 = font[i];
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for (uint16_t j = 0; j < 8; j++)
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{
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if (temp8 & 0x80)
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GE_Draw_Point(x, y, font_color);
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else if (is_transparent == FALSE) //不透明时使用背景色填充
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GE_Draw_Point(x, y, back_color);
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temp8 <<= 1;
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y++;
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if ((y - y0) == font_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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return 0;
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}
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/**
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* @brief 从字库读 GBK 字符。说明略
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*/
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uint8_t GE_Font_GetGBK(uint8_t *font, uint8_t *ch, uint8_t font_size)
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{
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if (font_size >= FONT_48)
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return 1;
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uint32_t addr, offset;
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uint16_t data_size = GE_Font_GetGBKDataSize(font_size);
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uint8_t qh = *ch;
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uint8_t ql = *(++ch);
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if (qh < 0x81 || ql < 0x40 || ql == 0xff || qh == 0xff) //非法访问
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return 1;
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if (ql < 0x7f)
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ql -= 0x40;
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else
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ql -= 0x41;
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qh -= 0x81;
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offset = (uint32_t)data_size * (190 * (uint32_t)qh + ql);
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switch (font_size)
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{
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case FONT_12:
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addr = offset + ADDR_GBK12;
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break;
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case FONT_16:
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addr = offset + ADDR_GBK16;
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break;
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case FONT_24:
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addr = offset + ADDR_GBK24;
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break;
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case FONT_32:
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addr = offset + ADDR_GBK32;
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break;
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default:
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return 1;
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}
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LCD_Font_ReadAddr(font, addr, data_size); //从字库读取字符到 font
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return 0;
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}
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/**
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* @brief 显示 GBK 字符。说明略
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*/
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uint8_t GE_Font_PrintGBK(uint16_t x, uint16_t y, uint8_t *ch, uint8_t font_size, uint16_t font_color, uint16_t back_color, uint8_t is_transparent)
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{
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uint16_t data_size = GE_Font_GetGBKDataSize(font_size);
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//从字库获取字符
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uint8_t font[128]; //使用 FONT_32 时需要 128 大小
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if (GE_Font_GetGBK(font, ch, font_size) != 0)
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return 1;
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uint8_t temp8;
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uint16_t x0 = x, y0 = y;
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//循环纵向输出
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for (uint16_t i = 0; i < data_size; i++)
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{
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temp8 = font[i];
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for (uint16_t j = 0; j < 8; j++)
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{
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if (temp8 & 0x80)
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GE_Draw_Point(x, y, font_color);
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else if (is_transparent == FALSE) //不透明时使用背景色填充
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GE_Draw_Point(x, y, back_color);
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temp8 <<= 1;
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y++;
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if ((y - y0) == font_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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return 0;
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}
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/**
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* @brief 在指定区域内显示字符串。支持 ASCII、GBK 汉字
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* @param x_start
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* @param y_start
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* @param width: 显示窗的宽
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* @param height: 显示窗口的高
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* @param font_size: 字体大小。注意：若含汉字，只能使用 FONT_12 16 24 32
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* @param font_color: 字体颜色
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* @param back_color: 背景颜色。透明时无效
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* @param is_transparent: 是否透明
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* @param format: 格式字符串
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* @param arg: 参数表
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* @retval 打印完全返回 1，未打印完全返回0
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*/
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uint8_t GE_Font_Print_Va(
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int16_t x_start,
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int16_t y_start,
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uint16_t width,
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uint16_t height,
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uint8_t font_size,
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uint16_t font_color,
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uint16_t back_color,
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uint8_t is_transparent,
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uint8_t *format,
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va_list arg)
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{
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int16_t x_end_plus_1;
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int16_t y_end_plus_1;
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int16_t x = x_start;
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int16_t y = y_start;
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if (width == BORDER_MAX)
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x_end_plus_1 = LCD_WIDTH;
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else
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x_end_plus_1 = x_start + width;
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if (height == BORDER_MAX)
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y_end_plus_1 = LCD_HEIGHT;
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else
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y_end_plus_1 = y_start + height;
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uint8_t is_print_all = FALSE;
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uint8_t temp_str[1040];
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uint8_t *str = temp_str;
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vsprintf(str, format, arg);
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while (1)
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{
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if (*(str) <= 0x80) //ASCII 字符
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{
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if (*str == '\0')
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{
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is_print_all = TRUE;
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break;
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}
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if (*str == '\r')
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{
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str++;
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continue;
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}
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if ((x + font_size / 2 > x_end_plus_1) || (*str == '\n'))
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{
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x = x_start;
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y += font_size;
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if (y + font_size > y_end_plus_1)
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break;
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}
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if (*str != '\n')
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{
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GE_Font_PrintACSII(x, y, str, font_size, font_color, back_color, is_transparent);
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x += font_size / 2;
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}
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str++;
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}
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else if (*(str) > 0x80) //GBK 字符
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{
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if (x + font_size > x_end_plus_1)
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{
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x = x_start;
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y += font_size;
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if (y + font_size > y_end_plus_1)
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break;
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}
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GE_Font_PrintGBK(x, y, str, font_size, font_color, back_color, is_transparent);
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x += font_size;
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str++;
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str++;
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}
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}
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return is_print_all;
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}
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/**
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* @brief 在指定区域内显示字符串。支持 ASCII、GBK 汉字
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* @param x_start
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* @param y_start
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* @param width: 显示窗的宽
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* @param height: 显示窗口的高
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* @param font_size: 字体大小。注意：若含汉字，只能使用 FONT_12 16 24 32
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* @param font_color: 字体颜色
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* @param back_color: 背景颜色。透明时无效
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* @param is_transparent: 是否透明
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* @param format: 格式字符串。用法与 printf 相同
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* @param ...
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* @retval 打印完全返回 1，未打印完全返回0
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*/
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uint8_t GE_Font_Print(
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int16_t x_start,
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int16_t y_start,
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uint16_t width,
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uint16_t height,
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uint8_t font_size,
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uint16_t font_color,
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uint16_t back_color,
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uint8_t is_transparent,
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uint8_t *format,
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...)
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{
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va_list aptr;
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va_start(aptr, format);
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uint8_t ret = GE_Font_Print_Va(
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x_start,
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y_start,
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width,
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height,
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font_size,
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font_color,
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back_color,
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is_transparent,
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format,
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aptr);
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va_end(aptr);
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return ret;
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}
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/**
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* @brief 在指定区域内显示字符串，使用设置。支持 ASCII、GBK 汉字
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* @param x_start
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* @param y_start
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* @param width: 显示窗的宽
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* @param height: 显示窗口的高
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* @param format: 格式字符串
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* @param arg: 参数表
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* @retval 打印完全返回 1，未打印完全返回0
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*/
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uint8_t GE_Font_Print_WithSet_Va(
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int16_t x_start,
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int16_t y_start,
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uint16_t width,
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uint16_t height,
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uint8_t *format,
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va_list arg)
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{
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return GE_Font_Print_Va(
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x_start,
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y_start,
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width,
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height,
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ge_font_print_set.font_size,
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ge_font_print_set.font_color,
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ge_font_print_set.back_color,
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ge_font_print_set.is_transparent,
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format,
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arg);
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}
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/**
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* @brief 在指定区域内显示字符串，使用设置。支持 ASCII、GBK 汉字
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* @param x_start
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* @param y_start
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* @param width: 显示窗的宽
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* @param height: 显示窗口的高
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* @param format: 格式字符串。用法与 printf 相同
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* @param ...
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* @retval 打印完全返回 1，未打印完全返回0
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*/
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uint8_t GE_Font_Print_WithSet(
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int16_t x_start,
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int16_t y_start,
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uint16_t width,
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uint16_t height,
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uint8_t *format,
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...)
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{
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va_list aptr;
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va_start(aptr, format);
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uint8_t ret = GE_Font_Print_WithSet_Va(
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x_start,
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y_start,
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width,
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height,
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format,
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aptr);
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va_end(aptr);
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return ret;
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}
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