mirrors/foot
1
0
Fork 0
mirror of https://codeberg.org/dnkl/foot.git synced 2026-02-05 04:06:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

box-drawing: add mixed LIGHT/HEAVY corners

Browse source 
* U+250D
* U+250E
* U+2511
* U+2512
* U+2515
* U+2516
* U+2519
* U+251A
This commit is contained in:
Daniel Eklöf 2020-12-26 22:58:08 +01:00
parent a692ecf656
commit 42e22027ef
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
1 changed files with 76 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

98
box-drawing.c
View file

@ -40,21 +40,19 @@ vline(uint8_t *buf, int y1, int y2, int x, int thick, int stride)
}
}
/* Vertially centered horizontal line, from the center out to the left edge */
#define hline_middle_left(thick) \
hline(buf, 0, (width - thick) / 2 + thick, (height - thick) / 2, thick, stride)
#define _hline_middle_left(vthick, hthick) \
hline(buf, 0, (width - vthick) / 2 + vthick, (height - hthick) / 2, hthick, stride)
#define _hline_middle_right(vthick, hthick) \
hline(buf, (width - vthick) / 2, width, (height - hthick) / 2, hthick, stride)
#define _vline_middle_up(vthick, hthick) \
vline(buf, 0, (height - hthick) / 2 + hthick, (width - vthick) / 2, vthick, stride)
#define _vline_middle_down(vthick, hthick) \
vline(buf, (height - hthick) / 2, height, (width - vthick) / 2, vthick, stride)
/* Vertially centered horizontal line, from the center out to the right edge */
#define hline_middle_right(thick) \
hline(buf, (width - thick) / 2, width, (height - thick) / 2, thick, stride)
/* Horizontally centered vertical line, from the center up to the top edge */
#define vline_middle_up(thick) \
vline(buf, 0, (height - thick) / 2 + thick, (width - thick) / 2, thick, stride)
/* Horizontally centered vertical line, from the center down to the bottom edge */
#define vline_middle_down(thick) \
vline(buf, (height - thick) / 2, height, (width - thick) / 2, thick, stride)
#define hline_middle_left(thick) _hline_middle_left(thick, thick)
#define hline_middle_right(thick) _hline_middle_right(thick, thick)
#define vline_middle_up(thick) _vline_middle_up(thick, thick)
#define vline_middle_down(thick) _vline_middle_down(thick, thick)
static void
draw_box_drawings_light_horizontal(uint8_t *buf, int width, int height, int stride, int dpi)
@ -91,6 +89,20 @@ draw_box_drawings_light_down_and_right(uint8_t *buf, int width, int height, int
vline_middle_down(thickness(1, dpi));
}
static void
draw_box_drawings_down_light_and_right_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
{
_hline_middle_right(thickness(1, dpi), thickness(2, dpi));
vline_middle_down(thickness(1, dpi));
}
static void
draw_box_drawings_down_heavy_and_right_light(uint8_t *buf, int width, int height, int stride, int dpi)
{
hline_middle_right(thickness(1, dpi));
_vline_middle_down(thickness(2, dpi), thickness(1, dpi));
}
static void
draw_box_drawings_heavy_down_and_right(uint8_t *buf, int width, int height, int stride, int dpi)
{
@ -105,6 +117,20 @@ draw_box_drawings_light_down_and_left(uint8_t *buf, int width, int height, int s
vline_middle_down(thickness(1, dpi));
}
static void
draw_box_drawings_down_light_and_left_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
{
_hline_middle_left(thickness(1, dpi), thickness(2, dpi));
vline_middle_down(thickness(1, dpi));
}
static void
draw_box_drawings_down_heavy_and_left_light(uint8_t *buf, int width, int height, int stride, int dpi)
{
hline_middle_left(thickness(1, dpi));
_vline_middle_down(thickness(2, dpi), thickness(1, dpi));
}
static void
draw_box_drawings_heavy_down_and_left(uint8_t *buf, int width, int height, int stride, int dpi)
{
@ -119,6 +145,20 @@ draw_box_drawings_light_up_and_right(uint8_t *buf, int width, int height, int st
vline_middle_up(thickness(1, dpi));
}
static void
draw_box_drawings_up_light_and_right_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
{
_hline_middle_right(thickness(1, dpi), thickness(2, dpi));
vline_middle_up(thickness(1, dpi));
}
static void
draw_box_drawings_up_heavy_and_right_light(uint8_t *buf, int width, int height, int stride, int dpi)
{
hline_middle_right(thickness(1, dpi));
_vline_middle_up(thickness(2, dpi), thickness(1, dpi));
}
static void
draw_box_drawings_heavy_up_and_right(uint8_t *buf, int width, int height, int stride, int dpi)
{
@ -133,6 +173,20 @@ draw_box_drawings_light_up_and_left(uint8_t *buf, int width, int height, int str
vline_middle_up(thickness(1, dpi));
}
static void
draw_box_drawings_up_light_and_left_heavy(uint8_t *buf, int width, int height, int stride, int dpi)
{
_hline_middle_left(thickness(1, dpi), thickness(2, dpi));
vline_middle_up(thickness(1, dpi));
}
static void
draw_box_drawings_up_heavy_and_left_light(uint8_t *buf, int width, int height, int stride, int dpi)
{
hline_middle_left(thickness(1, dpi));
_vline_middle_up(thickness(2, dpi), thickness(1, dpi));
}
static void
draw_box_drawings_heavy_up_and_left(uint8_t *buf, int width, int height, int stride, int dpi)
{
@ -231,6 +285,8 @@ draw_glyph(wchar_t wc, uint8_t *buf, int width, int height, int stride, int dpi)
case 0x2502: draw_box_drawings_light_vertical(buf, width, height, stride, dpi); break;
case 0x2503: draw_box_drawings_heavy_vertical(buf, width, height, stride, dpi); break;
case 0x250c: draw_box_drawings_light_down_and_right(buf, width, height, stride, dpi); break;
case 0x250d: draw_box_drawings_down_light_and_right_heavy(buf, width, height, stride, dpi); break;
case 0x250e: draw_box_drawings_down_heavy_and_right_light(buf, width, height, stride, dpi); break;
case 0x250f: draw_box_drawings_heavy_down_and_right(buf, width, height, stride, dpi); break;
case 0x2504:
@ -241,25 +297,23 @@ draw_glyph(wchar_t wc, uint8_t *buf, int width, int height, int stride, int dpi)
case 0x2509:
case 0x250a:
case 0x250b:
case 0x250d:
case 0x250e:
LOG_WARN("unimplemented: box drawing: wc=%04lx", (long)wc);
break;
case 0x2510: draw_box_drawings_light_down_and_left(buf, width, height, stride, dpi); break;
case 0x2511: draw_box_drawings_down_light_and_left_heavy(buf, width, height, stride, dpi); break;
case 0x2512: draw_box_drawings_down_heavy_and_left_light(buf, width, height, stride, dpi); break;
case 0x2513: draw_box_drawings_heavy_down_and_left(buf, width, height, stride, dpi); break;
case 0x2514: draw_box_drawings_light_up_and_right(buf, width, height, stride, dpi); break;
case 0x2515: draw_box_drawings_up_light_and_right_heavy(buf, width, height, stride, dpi); break;
case 0x2516: draw_box_drawings_up_heavy_and_right_light(buf, width, height, stride, dpi); break;
case 0x2517: draw_box_drawings_heavy_up_and_right(buf, width, height, stride, dpi); break;
case 0x2518: draw_box_drawings_light_up_and_left(buf, width, height, stride, dpi); break;
case 0x2519: draw_box_drawings_up_light_and_left_heavy(buf, width, height, stride, dpi); break;
case 0x251a: draw_box_drawings_up_heavy_and_left_light(buf, width, height, stride, dpi); break;
case 0x251b: draw_box_drawings_heavy_up_and_left(buf, width, height, stride, dpi); break;
case 0x251c: draw_box_drawings_light_vertical_and_right(buf, width, height, stride, dpi); break;
case 0x2511:
case 0x2512:
case 0x2515:
case 0x2516:
case 0x2519:
case 0x251a:
case 0x251d:
case 0x251e:
case 0x251f: