mirror of
https://codeberg.org/dnkl/foot.git
synced 2026-04-13 08:21:03 -04:00
box-drawing: add U+1FB3C-U+1FB6F, U+1FB9A and U+1FB9B
These are the “wedges” from the Unicode 13 “Legacy Computing” symbols. Closes #474
This commit is contained in:
Daniel Eklöf
parent
bdaa9a8991
commit
1c43fdbea4
4 changed files with 228 additions and 15 deletions
221
box-drawing.c
221
box-drawing.c
|
|
@ -21,6 +21,7 @@ enum thickness {
|
|||
struct buf {
|
||||
uint8_t *data;
|
||||
pixman_image_t *pix;
|
||||
pixman_format_code_t format;
|
||||
int width;
|
||||
int height;
|
||||
int stride;
|
||||
|
|
@ -52,6 +53,7 @@ change_buffer_format(struct buf *buf, pixman_format_code_t new_format)
|
|||
|
||||
buf->data = new_data;
|
||||
buf->pix = new_pix;
|
||||
buf->format = new_format;
|
||||
buf->stride = stride;
|
||||
}
|
||||
|
||||
|
|
@ -1257,7 +1259,7 @@ set_a1_bit(uint8_t *data, size_t ofs, size_t bit_no)
|
|||
static void
|
||||
draw_box_drawings_light_arc(struct buf *buf, wchar_t wc)
|
||||
{
|
||||
const pixman_format_code_t fmt = pixman_image_get_format(buf->pix);
|
||||
const pixman_format_code_t fmt = buf->format;
|
||||
const int supersample = fmt == PIXMAN_a8 ? 4 : 1;
|
||||
const int height = buf->height * supersample;
|
||||
const int width = buf->width * supersample;
|
||||
|
|
@ -1763,7 +1765,7 @@ draw_pixman_shade(struct buf *buf, uint16_t v)
|
|||
static void
|
||||
draw_light_shade(struct buf *buf)
|
||||
{
|
||||
pixman_format_code_t fmt = pixman_image_get_format(buf->pix);
|
||||
pixman_format_code_t fmt = buf->format;
|
||||
|
||||
if (buf->solid_shades && fmt == PIXMAN_a1)
|
||||
change_buffer_format(buf, PIXMAN_a8);
|
||||
|
|
@ -1786,7 +1788,7 @@ draw_light_shade(struct buf *buf)
|
|||
static void
|
||||
draw_medium_shade(struct buf *buf)
|
||||
{
|
||||
pixman_format_code_t fmt = pixman_image_get_format(buf->pix);
|
||||
pixman_format_code_t fmt = buf->format;
|
||||
|
||||
if (buf->solid_shades && fmt == PIXMAN_a1)
|
||||
change_buffer_format(buf, PIXMAN_a8);
|
||||
|
|
@ -1809,7 +1811,7 @@ draw_medium_shade(struct buf *buf)
|
|||
static void
|
||||
draw_dark_shade(struct buf *buf)
|
||||
{
|
||||
pixman_format_code_t fmt = pixman_image_get_format(buf->pix);
|
||||
pixman_format_code_t fmt = buf->format;
|
||||
|
||||
if (buf->solid_shades && fmt == PIXMAN_a1)
|
||||
change_buffer_format(buf, PIXMAN_a8);
|
||||
|
|
@ -2133,6 +2135,183 @@ draw_sextant(struct buf *buf, wchar_t wc)
|
|||
sextant_lower_right(buf);
|
||||
}
|
||||
|
||||
static void NOINLINE
|
||||
draw_wedge_triangle(struct buf *buf, wchar_t wc)
|
||||
{
|
||||
const int width = buf->width;
|
||||
const int height = buf->height;
|
||||
const double width_f = width;
|
||||
const double height_f = height;
|
||||
|
||||
int p1_x, p1_y, p2_x, p2_y, p3_x, p3_y;
|
||||
|
||||
IGNORE_WARNING("-Wpedantic");
|
||||
|
||||
switch (wc) {
|
||||
/* Lower left */
|
||||
case 0x1fb3c ... 0x1fb40: {
|
||||
size_t idx = wc - 0x1fb3c;
|
||||
p1_x = 0; p1_y = (idx < 2 ? 2 * height / 3 :
|
||||
idx < 4 ? height / 3 :
|
||||
0);
|
||||
p2_x = 0; p2_y = height;
|
||||
p3_x = idx % 2 ? width : round(width_f / 2.); p3_y = height;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Lower right */
|
||||
case 0x1fb47 ... 0x1fb4b: {
|
||||
size_t idx = wc - 0x1fb47;
|
||||
p1_x = width; p1_y = (idx < 2 ? 2 * height / 3 :
|
||||
idx < 4 ? height / 3 :
|
||||
0);
|
||||
p2_x = width; p2_y = height;
|
||||
p3_x = idx % 2 ? 0 : width / 2; p3_y = height;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Upper left */
|
||||
case 0x1fb57 ... 0x1fb5b: {
|
||||
size_t idx = wc - 0x1fb57;
|
||||
p1_x = 0; p1_y = 0;
|
||||
p2_x = 0; p2_y = (idx < 2 ? round(height_f / 3.) :
|
||||
idx < 4 ? round(2. * height_f / 3.) :
|
||||
height);
|
||||
p3_x = idx % 2 ? width : round(width_f / 2.); p3_y = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Upper right */
|
||||
case 0x1fb62 ... 0x1fb66: {
|
||||
size_t idx = wc - 0x1fb62;
|
||||
p1_x = width; p1_y = 0;
|
||||
p2_x = width; p2_y = (idx < 2 ? round(height_f / 3.) :
|
||||
idx < 4 ? round(2. * height_f / 3.) :
|
||||
height);
|
||||
p3_x = idx % 2 ? 0 : width / 2; p3_y = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
case 0x1fb46:
|
||||
p1_x = 0; p1_y = round(2. * height_f / 3.);
|
||||
p2_x = width; p2_y = height / 3;
|
||||
p3_x = width; p3_y = p1_y;
|
||||
break;
|
||||
|
||||
case 0x1fb51:
|
||||
p1_x = 0; p1_y = height / 3;
|
||||
p2_x = 0; p2_y = round(2. * height_f / 3.);
|
||||
p3_x = width; p3_y = p2_y;
|
||||
break;
|
||||
|
||||
case 0x1fb5c:
|
||||
p1_x = 0; p1_y = height / 3;
|
||||
p2_x = 0; p2_y = round(2. * height_f / 3.);
|
||||
p3_x = width; p3_y = p1_y;
|
||||
break;
|
||||
|
||||
case 0x1fb67:
|
||||
p1_x = 0; p1_y = height / 3;
|
||||
p2_x = width; p2_y = p1_y;
|
||||
p3_x = width; p3_y = round(2. * height_f / 3.);
|
||||
break;
|
||||
|
||||
case 0x1fb6c:
|
||||
p1_x = 0; p1_y = 0;
|
||||
p2_x = round(width_f / 2.); p2_y = round(height_f / 2.);
|
||||
p3_x = 0; p3_y = height;
|
||||
break;
|
||||
|
||||
case 0x1fb6d:
|
||||
p1_x = 0; p1_y = 0;
|
||||
p2_x = width / 2; p2_y = round(height_f / 2.);
|
||||
p3_x = width; p3_y = 0;
|
||||
break;
|
||||
|
||||
case 0x1fb6e:
|
||||
p1_x = width; p1_y = 0;
|
||||
p2_x = width / 2; p2_y = round(height_f / 2.);
|
||||
p3_x = width; p3_y = height;
|
||||
break;
|
||||
|
||||
case 0x1fb6f:
|
||||
p1_x = 0; p1_y = height;
|
||||
p2_x = width / 2; p2_y = round(height_f / 2.);
|
||||
p3_x = width; p3_y = height;
|
||||
break;
|
||||
|
||||
default:
|
||||
BUG("unimplemented Unicode codepoint");
|
||||
break;
|
||||
}
|
||||
|
||||
UNIGNORE_WARNINGS;
|
||||
|
||||
const pixman_triangle_t tri = {
|
||||
.p1 = {.x = pixman_int_to_fixed(p1_x), .y = pixman_int_to_fixed(p1_y)},
|
||||
.p2 = {.x = pixman_int_to_fixed(p2_x), .y = pixman_int_to_fixed(p2_y)},
|
||||
.p3 = {.x = pixman_int_to_fixed(p3_x), .y = pixman_int_to_fixed(p3_y)},
|
||||
};
|
||||
|
||||
pixman_image_t *src = pixman_image_create_solid_fill(&white);
|
||||
pixman_composite_triangles(
|
||||
PIXMAN_OP_OVER, src, buf->pix, buf->format, 0, 0, 0, 0, 1, &tri);
|
||||
pixman_image_unref(src);
|
||||
}
|
||||
|
||||
static void
|
||||
draw_wedge_triangle_inverted(struct buf *buf, wchar_t wc)
|
||||
{
|
||||
IGNORE_WARNING("-Wpedantic");
|
||||
|
||||
switch (wc) {
|
||||
case 0x1fb41 ... 0x1fb45: wc = wc - 0x1fb41 + 0x1fb57; break;
|
||||
case 0x1fb4c ... 0x1fb50: wc = wc - 0x1fb4c + 0x1fb62; break;
|
||||
case 0x1fb52 ... 0x1fb56: wc = wc - 0x1fb52 + 0x1fb3c; break;
|
||||
case 0x1fb5d ... 0x1fb61: wc = wc - 0x1fb5d + 0x1fb47; break;
|
||||
case 0x1fb68 ... 0x1fb6b: wc = wc - 0x1fb68 + 0x1fb6c; break;
|
||||
}
|
||||
|
||||
UNIGNORE_WARNINGS;
|
||||
|
||||
draw_wedge_triangle(buf, wc);
|
||||
|
||||
pixman_image_t *src = pixman_image_create_solid_fill(&white);
|
||||
pixman_image_composite(PIXMAN_OP_OUT, src, NULL, buf->pix, 0, 0, 0, 0, 0, 0, buf->width, buf->height);
|
||||
pixman_image_unref(src);
|
||||
}
|
||||
|
||||
static void
|
||||
draw_wedge_triangle_and_box(struct buf *buf, wchar_t wc)
|
||||
{
|
||||
draw_wedge_triangle(buf, wc);
|
||||
|
||||
const int width = buf->width;
|
||||
const int height = buf->height;
|
||||
|
||||
pixman_box32_t box;
|
||||
|
||||
switch (wc) {
|
||||
case 0x1fb46:
|
||||
case 0x1fb51:
|
||||
box = (pixman_box32_t){
|
||||
.x1 = 0, .y1 = round(2. * height / 3.),
|
||||
.x2 = width, .y2 = height,
|
||||
};
|
||||
break;
|
||||
|
||||
case 0x1fb5c:
|
||||
case 0x1fb67:
|
||||
box = (pixman_box32_t){
|
||||
.x1 = 0, .y1 = 0,
|
||||
.x2 = width, .y2 = height / 3,
|
||||
};
|
||||
break;
|
||||
}
|
||||
|
||||
pixman_image_fill_boxes(PIXMAN_OP_SRC, buf->pix, &white, 1, &box);
|
||||
}
|
||||
|
||||
static void
|
||||
draw_left_and_lower_one_eighth_block(struct buf *buf)
|
||||
{
|
||||
|
|
@ -2382,6 +2561,39 @@ draw_glyph(struct buf *buf, wchar_t wc)
|
|||
|
||||
case 0x1fb00 ... 0x1fb3b: draw_sextant(buf, wc); break;
|
||||
|
||||
case 0x1fb3c ... 0x1fb40:
|
||||
case 0x1fb47 ... 0x1fb4b:
|
||||
case 0x1fb57 ... 0x1fb5b:
|
||||
case 0x1fb62 ... 0x1fb66:
|
||||
case 0x1fb6c ... 0x1fb6f:
|
||||
draw_wedge_triangle(buf, wc);
|
||||
break;
|
||||
|
||||
case 0x1fb41 ... 0x1fb45:
|
||||
case 0x1fb4c ... 0x1fb50:
|
||||
case 0x1fb52 ... 0x1fb56:
|
||||
case 0x1fb5d ... 0x1fb61:
|
||||
case 0x1fb68 ... 0x1fb6b:
|
||||
draw_wedge_triangle_inverted(buf, wc);
|
||||
break;
|
||||
|
||||
case 0x1fb46:
|
||||
case 0x1fb51:
|
||||
case 0x1fb5c:
|
||||
case 0x1fb67:
|
||||
draw_wedge_triangle_and_box(buf, wc);
|
||||
break;
|
||||
|
||||
case 0x1fb9a:
|
||||
draw_wedge_triangle(buf, 0x1fb6d);
|
||||
draw_wedge_triangle(buf, 0x1fb6f);
|
||||
break;
|
||||
|
||||
case 0x1fb9b:
|
||||
draw_wedge_triangle(buf, 0x1fb6c);
|
||||
draw_wedge_triangle(buf, 0x1fb6e);
|
||||
break;
|
||||
|
||||
case 0x1fb70: draw_vertical_one_eighth_block_2(buf); break;
|
||||
case 0x1fb71: draw_vertical_one_eighth_block_3(buf); break;
|
||||
case 0x1fb72: draw_vertical_one_eighth_block_4(buf); break;
|
||||
|
|
@ -2443,6 +2655,7 @@ box_drawing(const struct terminal *term, wchar_t wc)
|
|||
struct buf buf = {
|
||||
.data = data,
|
||||
.pix = pix,
|
||||
.format = fmt,
|
||||
.width = width,
|
||||
.height = height,
|
||||
.stride = stride,
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue