86 lines
2.7 KiB
C
Executable File
86 lines
2.7 KiB
C
Executable File
#include "tim.h"
|
|
|
|
TimCell tim_cell(cstr s, u8 fg, u8 bg) {
|
|
TimCell c = {.fg = fg, .bg = bg, .n = 1, .buf = {s[0]}};
|
|
while ((s[c.n] & 192) == 128 && c.n < sizeof(c.buf)) {
|
|
c.buf[c.n] = s[c.n];
|
|
c.n += 1;
|
|
}
|
|
return c;
|
|
}
|
|
|
|
void tim_clear_cells(void) {
|
|
size_t size = sizeof(tim->cells[0]) * tim->w * tim->h;
|
|
memset(tim->cells, 0, size);
|
|
}
|
|
|
|
void tim_draw_chr(TimCell cell, i32 x, i32 y) {
|
|
if (x >= 0 && x < tim->w && y >= 0 && y < tim->h) {
|
|
tim->cells[x + y * tim->w] = cell;
|
|
}
|
|
}
|
|
|
|
void tim_draw_row(TimCell cell, i32 x, i32 y, i32 w) {
|
|
if (y >= 0 && y < tim->h && w > 0) {
|
|
for (i32 i = MAX(x, 0); i < MIN(x + w, tim->w); i++) {
|
|
tim->cells[i + y * tim->w] = cell;
|
|
}
|
|
}
|
|
}
|
|
|
|
void tim_draw_col(TimCell cell, i32 x, i32 y, i32 h) {
|
|
if (x >= 0 && x < tim->w && h > 0) {
|
|
for (i32 i = MAX(y, 0); i < MIN(y + h, tim->h); i++) {
|
|
tim->cells[x + i * tim->w] = cell;
|
|
}
|
|
}
|
|
}
|
|
|
|
void tim_draw_lot(TimCell cell, i32 x, i32 y, i32 w, i32 h) {
|
|
if (w > 0 && h > 0) {
|
|
for (i32 iy = MAX(y, 0); iy < MIN(y + h, tim->h); iy++) {
|
|
for (i32 ix = MAX(x, 0); ix < MIN(x + w, tim->w); ix++) {
|
|
tim->cells[ix + iy * tim->w] = cell;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void tim_draw_str(cstr s, i32 x, i32 y, i32 w, u8 fg, u8 bg) {
|
|
if (s && y >= 0 && x < tim->w && y < tim->h ) {
|
|
i32 end = MIN(x + w, tim->w);
|
|
bool wide = false;
|
|
for (i32 i = 0; s[i] && x < end; x++) {
|
|
TimCell c = tim_cell(&s[i], fg, bg);
|
|
wide = wide || tim_utf8_is_wide_perhaps(c.buf, c.n);
|
|
if (x >= 0) {
|
|
c.wide = wide;
|
|
tim->cells[x + y * tim->w] = c;
|
|
}
|
|
i += c.n;
|
|
}
|
|
}
|
|
}
|
|
|
|
void tim_draw_box(i32 x, i32 y, i32 w, i32 h, u8 fg, u8 bg) {
|
|
tim_draw_chr(tim_cell("┌", fg, bg), x , y);
|
|
tim_draw_chr(tim_cell("┐", fg, bg), x + w - 1, y);
|
|
tim_draw_chr(tim_cell("└", fg, bg), x , y + h - 1);
|
|
tim_draw_chr(tim_cell("┘", fg, bg), x + w - 1, y + h - 1);
|
|
tim_draw_row(tim_cell("─", fg, bg), x + 1 , y , w - 2);
|
|
tim_draw_row(tim_cell("─", fg, bg), x + 1 , y + h - 1, w - 2);
|
|
tim_draw_col(tim_cell("│", fg, bg), x , y + 1 , h - 2);
|
|
tim_draw_col(tim_cell("│", fg, bg), x + w - 1, y + 1 , h - 2);
|
|
tim_draw_lot(tim_cell(" ", fg, bg), x + 1 , y + 1 , w - 2, h - 2);
|
|
}
|
|
|
|
void tim_draw_invert(i32 x, i32 y, i32 w) {
|
|
if (y >= 0 && y < tim->h && w > 0) {
|
|
for (i32 i = MAX(x, 0); i < MIN(x + w, tim->w); i++) {
|
|
TimCell c = tim->cells[i + y * tim->w];
|
|
tim->cells[i + y * tim->w].fg = c.bg;
|
|
tim->cells[i + y * tim->w].bg = c.fg;
|
|
}
|
|
}
|
|
}
|