57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
#include <fonts/hankaku.h>
|
|
#include <fonts/pixel_font.h>
|
|
#include <graphics/draw.h>
|
|
#include <common.h>
|
|
|
|
static unsigned int pf_x = 0;
|
|
static unsigned int pf_y = 1;
|
|
|
|
void pf_reset_position(void) {
|
|
// 其实应该还要清一下屏，后面思考一个安全的做法
|
|
pf_x = 0;
|
|
pf_y = 1;
|
|
}
|
|
|
|
void pf_print_char(char c, unsigned int basex, unsigned int basey, COLOR_RGB color) {
|
|
for (unsigned int y = 0; y < 16; y++) {
|
|
unsigned char data = hankaku_pixels[c][y];
|
|
for (int x = 7; x >= 0; x--) {
|
|
// 解码Hankaku字体
|
|
/*
|
|
既然都在这了，就讲一下Hankaku字体是如何解码的
|
|
比如一个
|
|
{0x00, 0x82, 0x82, 0x44, 0x44, 0x44, 0x28, 0x28, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00}
|
|
每一个Hex代表一行，比如0x82就是一行，转换成Bin得到10000010，1代表有像素，0代表没像素
|
|
*/
|
|
unsigned int current = data & 1;
|
|
data >>= 1;
|
|
if (current)
|
|
draw_pixel(basex + x, basey + y, color);
|
|
}
|
|
}
|
|
}
|
|
|
|
void pf_print(const char* text, COLOR_RGB color) {
|
|
for (unsigned int i = 0; i < strlen(text); i++) {
|
|
char c = text[i];
|
|
if (c == '\n') {
|
|
pf_x = 0;
|
|
pf_y++;
|
|
if ((pf_y - 1) * 16 >= g_gfx.vr) {
|
|
gfx_clear();
|
|
pf_y = 1;
|
|
}
|
|
continue;
|
|
}
|
|
if (pf_x * 9 + 9 > g_gfx.hr) {
|
|
pf_x = 0;
|
|
pf_y++;
|
|
if ((pf_y - 1) * 16 >= g_gfx.vr) {
|
|
gfx_clear();
|
|
pf_y = 1;
|
|
}
|
|
}
|
|
pf_print_char(c, pf_x * 9, (pf_y - 1) * 16, color);
|
|
pf_x++;
|
|
}
|
|
} |