81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
#ifndef DRV_OSD_DRAW_TIME_H
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#define DRV_OSD_DRAW_TIME_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#endif
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#include "xmedia_type.h"
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#include "drv_misc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef SUPPORT_OSD_TIME
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// ARGB1555颜色定义 (1位alpha + 5位RGB)
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typedef unsigned short argb1555_t;
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// 颜色宏定义
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#define ARGB1555(a, r, g, b) (((a) ? 0x8000 : 0) | (((r) & 0xF8) << 7) | (((g) & 0xF8) << 2) | (((b) & 0xF8) >> 3))
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#define ARGB1555_BLACK ARGB1555(1, 0, 0, 0)
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#define ARGB1555_WHITE ARGB1555(1, 255, 255, 255)
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#define ARGB1555_RED ARGB1555(1, 255, 0, 0)
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#define ARGB1555_GREEN ARGB1555(1, 0, 255, 0)
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#define ARGB1555_BLUE ARGB1555(1, 0, 0, 255)
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#define ARGB1555_YELLOW ARGB1555(1, 255, 255, 0)
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#define ARGB1555_CYAN ARGB1555(1, 0, 255, 255)
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#define ARGB1555_MAGENTA ARGB1555(1, 255, 0, 255)
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#define ARGB1555_GRAY ARGB1555(1, 128, 128, 128)
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#define ARGB1555_DARKBLUE ARGB1555(1, 0, 0, 128)
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#define ARGB1555_ORANGE ARGB1555(1, 255, 165, 0)
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// 时间字符串长度是8 "HH:MM:SS"
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#define TIME_STRING_LEN 8
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// 日期字符串长度是10 "YYYY-MM-DD"
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#define DATE_STRING_LEN 10
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// 总文本宽度：时间(8字符) + 空格(1字符) + 日期(10字符) + 结束符=20字符
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#define TOTAL_OSD_STRING_LEN 20
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// 显示上下文结构体
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typedef struct {
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unsigned char *buffer; // 显示buffer地址
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int width; // 屏幕宽度
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int height; // 屏幕高度
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int stride;
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int font_size; // 字体大小
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argb1555_t text_color; // 文字颜色
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argb1555_t bg_color; // 背景颜色
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// 缓存上一次显示的内容，用于增量更新
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char last_draw_str[TOTAL_OSD_STRING_LEN];
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int display_initialized; // 是否已经初始化显示
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} osd_draw_context_t;
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// 函数声明
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void osd_draw_context_init(osd_draw_context_t *ctx, int width, int height, int stride, int font_size_scale);
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void osd_set_colors(osd_draw_context_t *ctx, argb1555_t text_color, argb1555_t bg_color);
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void osd_clear_screen(osd_draw_context_t *ctx);
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//void draw_pixel(osd_draw_context_t *ctx, int x, int y, argb1555_t color);
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//void draw_char(osd_draw_context_t *ctx, int x, int y, char c, argb1555_t color);
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void osd_draw_str(osd_draw_context_t *ctx, int x, int y, const char *draw_str, int draw_str_size, argb1555_t color);
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void osd_draw_str_ex(osd_draw_context_t *ctx, const char *draw_str, int draw_str_size, unsigned char *buffer);
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void osd_get_min_size(osd_draw_context_t *ctx, int *width, int *height);
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xmedia_s32 misc_ctl_osd_time_create(xmedia_ulong arg);
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xmedia_s32 misc_ctl_osd_time_destroy(xmedia_ulong arg);
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xmedia_s32 misc_ctl_osd_time_update(xmedia_ulong arg);
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xmedia_s32 misc_ctl_osd_time_update_timezone(xmedia_ulong arg);
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xmedia_s32 osd_time_update_all(xmedia_void);
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#endif //SUPPORT_OSD_TIME
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#ifdef __cplusplus
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}
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#endif
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#endif
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