98 lines
2 KiB
C
98 lines
2 KiB
C
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#ifndef __DRAW_H__
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#define HAS_GUI
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#include <stdio.h>
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#include <am.h>
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#include <amdev.h>
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#include <klib-macros.h>
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#define ANSI_COLOR_RED 31
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#define ANSI_COLOR_GREEN 32
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#define ANSI_COLOR_WHITE 37
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#define ANSI_COLOR_RESET 0
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#ifdef HAS_GUI
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#define TILE_W 4
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#define SCREEN_W 320
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#define SCREEN_H 200
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static inline void set_color(int c) {
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}
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static inline void print_char(char c, int y, int x) {
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static char last_c = 0xff;
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static uint32_t buf[TILE_W * TILE_W];
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if (last_c != c) {
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last_c = c;
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uint32_t color = 0x0;
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if (c != ' ') { // convert different character to different color
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uint8_t r = c / 25;
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c -= r * 25;
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uint8_t g = c / 5;
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c -= g * 5;
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uint8_t b = c;
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r = r * 0x100 / 5;
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g = g * 0x100 / 5;
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b = b * 0x100 / 5;
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color = (r << 16) | (g << 8) | b;
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}
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int i;
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for (i = 0; i < TILE_W * TILE_W; i ++) {
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buf[i] = color;
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}
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}
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io_write(AM_GPU_FBDRAW, x * TILE_W, y * TILE_W, buf, TILE_W, TILE_W, false);
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}
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static inline void screen_clear() {
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static uint32_t buf[SCREEN_W];
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int i;
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for (i = 0; i < SCREEN_H; i ++) {
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io_write(AM_GPU_FBDRAW, 0, i, buf, SCREEN_W, 1, false);
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}
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}
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static inline void screen_refresh() {
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io_write(AM_GPU_FBDRAW, 0, 0, NULL, 0, 0, true);
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}
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static inline int screen_tile_height() {
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return io_read(AM_GPU_CONFIG).height / TILE_W;
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}
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static inline int screen_tile_width() {
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return io_read(AM_GPU_CONFIG).width / TILE_W;
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}
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#else
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static inline void set_color(int c) {
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printf("\033[%dm", c);
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}
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static inline void print_char(char c, int y, int x) {
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printf("\033[%d;%dH%c", y + 1, x + 1, c);
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}
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static inline void screen_clear() {
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printf("\033[H\033[J");
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}
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static inline void screen_refresh() {
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}
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static inline int screen_tile_height() {
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return 24;
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}
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static inline int screen_tile_width() {
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return 80;
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}
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#endif
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static inline void usleep(int us) {
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uint64_t now = io_read(AM_TIMER_UPTIME).us;
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uint64_t next = now + us;
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while (io_read(AM_TIMER_UPTIME).us < next) ;
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}
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#endif
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