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https://github.com/DragonOS-Community/DragonOS.git
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155 lines
4.7 KiB
C
155 lines
4.7 KiB
C
#include "textui.h"
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#include <driver/uart/uart.h>
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#define WHITE 0x00ffffff //白
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#define BLACK 0x00000000 //黑
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#define RED 0x00ff0000 //红
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#define ORANGE 0x00ff8000 //橙
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#define YELLOW 0x00ffff00 //黄
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#define GREEN 0x0000ff00 //绿
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#define BLUE 0x000000ff //蓝
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#define INDIGO 0x0000ffff //靛
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#define PURPLE 0x008000ff //紫
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// 根据rgb计算出最终的颜色值
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#define calculate_color(r, g, b) ((((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff)) & 0x00ffffff)
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extern struct scm_ui_framework_t textui_framework;
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static void __textui_render_chromatic(uint16_t actual_line, uint16_t index, struct textui_char_chromatic_t *character);
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/**
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* @brief 重新渲染整个虚拟行
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*
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* @param window 窗口结构体
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* @param vline_id 虚拟行号
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* @return int 错误码
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*/
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int textui_refresh_vline(struct textui_window_t *window, uint16_t vline_id)
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{
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if (textui_is_chromatic(window->flags))
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return textui_refresh_characters(window, vline_id, 0, window->chars_per_line);
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else
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return textui_refresh_characters(window, vline_id, 0, window->chars_per_line);
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}
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int textui_refresh_vlines(struct textui_window_t *window, uint16_t start, uint16_t count)
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{
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char bufff[16] = {0};
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// uart_send_str(COM1, " BEGIN ");
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for (int i = start; i < window->vlines_num && count > 0; ++i, --count)
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{
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// sprintk(bufff, "[ 1fresh: %d ] ", i);
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// uart_send_str(COM1, bufff);
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textui_refresh_vline(window, i);
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}
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start = 0;
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while (count>0)
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{
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// sprintk(bufff, "[ 2fresh: %d ] ", start);
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// uart_send_str(COM1, bufff);
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// sprintk(bufff, " index=%d ", (window->vlines.chromatic)[start].index);
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// uart_send_str(COM1, bufff);
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textui_refresh_vline(window, start);
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++start;
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--count;
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}
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// uart_send_str(COM1, " END ");
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return 0;
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}
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/**
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* @brief 刷新某个虚拟行的连续n个字符对象
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*
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* @param window 窗口结构体
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* @param vline_id 虚拟行号
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* @param start 起始字符号
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* @param count 要刷新的字符数量
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* @return int 错误码
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*/
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int textui_refresh_characters(struct textui_window_t *window, uint16_t vline_id, uint16_t start, uint16_t count)
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{
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if (window->id != __textui_get_current_window_id())
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return 0;
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// 判断虚拟行参数是否合法
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if (unlikely(vline_id >= window->vlines_num && (start + count) > window->chars_per_line))
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return -EINVAL;
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// 计算虚拟行对应的真实行
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int actual_line_id = (int)vline_id - window->top_vline;
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if (actual_line_id < 0)
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actual_line_id += __textui_get_actual_lines();
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// 判断真实行id是否合理
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if (unlikely(actual_line_id < 0 || actual_line_id >= __textui_get_actual_lines()))
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return 0;
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// 若是彩色像素模式
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if (textui_is_chromatic(window->flags))
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{
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struct textui_vline_chromatic_t *vline = &(window->vlines.chromatic)[vline_id];
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for (int i = 0; i < count; ++i)
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{
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__textui_render_chromatic(actual_line_id, start + i, &vline->chars[start + i]);
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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 渲染彩色字符
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*
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* @param actual_line 真实行的行号
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* @param index 列号
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* @param character 要渲染的字符
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*/
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static void __textui_render_chromatic(uint16_t actual_line, uint16_t index, struct textui_char_chromatic_t *character)
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{
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/**
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* @brief 在屏幕上指定位置打印字符
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*
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* @param x 左上角列像素点位置
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* @param y 左上角行像素点位置
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* @param FRcolor 字体颜色
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* @param BKcolor 背景颜色
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* @param font 字符的bitmap
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*/
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// #if DEBUG
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// uart_send(COM1, font);
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// #endif
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unsigned char *font_ptr = font_ascii[(uint8_t)character->c];
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unsigned int *addr;
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uint32_t *fb = (uint32_t *)textui_framework.buf->vaddr;
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// uint32_t FRcolor = YELLOW;
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uint32_t FRcolor = calculate_color(character->Fr, character->Fg, character->Fb);
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// uint32_t BKcolor = BLACK;
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uint32_t BKcolor = calculate_color(character->Br, character->Bg, character->Bb);
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uint32_t x = index * TEXTUI_CHAR_WIDTH;
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uint32_t y = actual_line * TEXTUI_CHAR_HEIGHT;
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int testbit; // 用来测试某位是背景还是字体本身
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for (int i = 0; i < TEXTUI_CHAR_HEIGHT; ++i)
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{
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// 计算出帧缓冲区的地址
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addr = (uint32_t *)(fb + textui_framework.buf->width * (y + i) + x);
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testbit = (1 << (TEXTUI_CHAR_WIDTH + 1));
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for (int j = 0; j < TEXTUI_CHAR_WIDTH; ++j)
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{
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// 从左往右逐个测试相应位
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testbit >>= 1;
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if (*font_ptr & testbit)
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*addr = FRcolor; // 字,显示前景色
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else
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*addr = BKcolor; // 背景色
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++addr;
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}
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++font_ptr;
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}
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} |