#include "box-drawing.h" #include #include #define LOG_MODULE "box-drawing" #define LOG_ENABLE_DBG 0 #include "log.h" #include "macros.h" #include "stride.h" #include "terminal.h" #include "util.h" #include "xmalloc.h" #define LIGHT 1.0 #define HEAVY 2.0 #pragma GCC optimize("Os") struct buf { uint8_t *data; int width; int height; int stride; int dpi; }; static int _thickness(struct buf *buf, float pts) { return max(pts * buf->dpi / 72.0, 1); } #define thickness(pts) _thickness(buf, pts) static void __attribute__((noinline)) _hline(struct buf *buf, int x1, int x2, int y, int thick) { x1 = min(max(x1, 0), buf->width); x2 = min(max(x2, 0), buf->width); for (size_t row = max(y, 0); row < min(y + thick, buf->height); row++) { for (size_t col = x1; col < x2; col++) { size_t idx = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + idx] |= 1 << bit_no; } } } #define hline(x1, x2, y, thick) _hline(buf, x1, x2, y, thick) static void __attribute__((noinline)) _vline(struct buf *buf, int y1, int y2, int x, int thick) { y1 = min(max(y1, 0), buf->height); y2 = min(max(y2, 0), buf->height); for (size_t row = y1; row < y2; row++) { for (size_t col = max(x, 0); col < min(x + thick, buf->width); col++) { size_t idx = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + idx] |= 1 << bit_no; } } } #define vline(y1, y2, x, thick) _vline(buf, y1, y2, x, thick) static void __attribute__((noinline)) _rect(struct buf *buf, int x1, int y1, int x2, int y2) { for (size_t row = max(y1, 0); row < min(y2, buf->height); row++) { for (size_t col = max(x1, 0); col < min(x2, buf->width); col++) { size_t idx = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + idx] |= 1 << bit_no; } } } #define rect(x1, y1, x2, y2) _rect(buf, x1, y1, x2, y2) #define _hline_middle_left(_vthick, _hthick) \ do { \ int vthick = thickness(_vthick); \ int hthick = thickness(_hthick); \ hline(0, (buf->width + vthick) / 2, (buf->height - hthick) / 2, hthick); \ } while (0) #define _hline_middle_right(_vthick, _hthick) \ do { \ int vthick = thickness(_vthick); \ int hthick = thickness(_hthick); \ hline((buf->width - vthick) / 2, buf->width, (buf->height - hthick) / 2, hthick); \ } while (0) #define _vline_middle_up(_vthick, _hthick) \ do { \ int vthick = thickness(_vthick); \ int hthick = thickness(_hthick); \ vline(0, (buf->height + hthick) / 2, (buf->width - vthick) / 2, vthick); \ } while (0) #define _vline_middle_down(_vthick, _hthick) \ do { \ int vthick = thickness(_vthick); \ int hthick = thickness(_hthick); \ vline((buf->height - hthick) / 2, buf->height, (buf->width - vthick) / 2, vthick); \ } while (0) #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(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); } static void draw_box_drawings_heavy_horizontal(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); } static void draw_box_drawings_light_vertical(struct buf *buf) { vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_heavy_vertical(struct buf *buf) { vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_dash_horizontal(struct buf *buf, int count, int thick, int gap) { int width = buf->width; int height = buf->height; assert(count >= 2 && count <= 4); const int gap_count = count - 1; int dash_width = (width - (gap_count * gap)) / count; while (dash_width <= 0 && gap > 1) { gap--; dash_width = (width - (gap_count * gap)) / count; } if (dash_width <= 0) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); return; } assert(count * dash_width + gap_count * gap <= width); int remaining = width - count * dash_width - gap_count * gap; int x[4] = {0}; int w[4] = {dash_width, dash_width, dash_width, dash_width}; x[0] = 0; x[1] = x[0] + w[0] + gap; if (count == 2) w[1] = width - x[1]; else if (count == 3) w[1] += remaining; else w[1] += remaining / 2; if (count >= 3) { x[2] = x[1] + w[1] + gap; if (count == 3) w[2] = width - x[2]; else w[2] += remaining - remaining / 2; } if (count >= 4) { x[3] = x[2] + w[2] + gap; w[3] = width - x[3]; } hline(x[0], x[0] + w[0], (height - thick) / 2, thick); hline(x[1], x[1] + w[1], (height - thick) / 2, thick); if (count >= 3) hline(x[2], x[2] + w[2], (height - thick) / 2, thick); if (count >= 4) hline(x[3], x[3] + w[3], (height - thick) / 2, thick); } static void draw_box_drawings_dash_vertical(struct buf *buf, int count, int thick, int gap) { int width = buf->width; int height = buf->height; assert(count >= 2 && count <= 4); const int gap_count = count - 1; int dash_height = (height - (gap_count * gap)) / count; while (dash_height <= 0 && gap > 1) { gap--; dash_height = (height - (gap_count * gap)) / count; } if (dash_height <= 0) { vline_middle_up(LIGHT); vline_middle_down(LIGHT); return; } assert(count * dash_height + gap_count * gap <= height); int remaining = height - count * dash_height - gap_count * gap; int y[4] = {0}; int h[4] = {dash_height, dash_height, dash_height, dash_height}; y[0] = 0; y[1] = y[0] + h[0] + gap; if (count == 2) h[1] = height - y[1]; else if (count == 3) h[1] += remaining; else h[1] += remaining / 2; if (count >= 3) { y[2] = y[1] + h[1] + gap; if (count == 3) h[2] = height - y[2]; else h[2] += remaining - remaining / 2; } if (count >= 4) { y[3] = y[2] + h[2] + gap; h[3] = height - y[3]; } vline(y[0], y[0] + h[0], (width - thick) / 2, thick); vline(y[1], y[1] + h[1], (width - thick) / 2, thick); if (count >= 3) vline(y[2], y[2] + h[2], (width - thick) / 2, thick); if (count >= 4) vline(y[3], y[3] + h[3], (width - thick) / 2, thick); } static void draw_box_drawings_light_triple_dash_horizontal(struct buf *buf) { draw_box_drawings_dash_horizontal(buf, 3, thickness(LIGHT), thickness(LIGHT)); } static void draw_box_drawings_heavy_triple_dash_horizontal(struct buf *buf) { draw_box_drawings_dash_horizontal(buf, 3, thickness(HEAVY), thickness(LIGHT)); } static void draw_box_drawings_light_triple_dash_vertical(struct buf *buf) { draw_box_drawings_dash_vertical(buf, 3, thickness(LIGHT), thickness(HEAVY)); } static void draw_box_drawings_heavy_triple_dash_vertical(struct buf *buf) { draw_box_drawings_dash_vertical(buf, 3, thickness(HEAVY), thickness(HEAVY)); } static void draw_box_drawings_light_quadruple_dash_horizontal(struct buf *buf) { draw_box_drawings_dash_horizontal(buf, 4, thickness(LIGHT), thickness(LIGHT)); } static void draw_box_drawings_heavy_quadruple_dash_horizontal(struct buf *buf) { draw_box_drawings_dash_horizontal(buf, 4, thickness(HEAVY), thickness(LIGHT)); } static void draw_box_drawings_light_quadruple_dash_vertical(struct buf *buf) { draw_box_drawings_dash_vertical(buf, 4, thickness(LIGHT), thickness(LIGHT)); } static void draw_box_drawings_heavy_quadruple_dash_vertical(struct buf *buf) { draw_box_drawings_dash_vertical(buf, 4, thickness(HEAVY), thickness(LIGHT)); } static void draw_box_drawings_light_down_and_right(struct buf *buf) { hline_middle_right(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_down_light_and_right_heavy(struct buf *buf) { _hline_middle_right(LIGHT, HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_down_heavy_and_right_light(struct buf *buf) { hline_middle_right(LIGHT); _vline_middle_down(HEAVY, LIGHT); } static void draw_box_drawings_heavy_down_and_right(struct buf *buf) { hline_middle_right(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_light_down_and_left(struct buf *buf) { hline_middle_left(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_down_light_and_left_heavy(struct buf *buf) { _hline_middle_left(LIGHT, HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_down_heavy_and_left_light(struct buf *buf) { hline_middle_left(LIGHT); _vline_middle_down(HEAVY, LIGHT); } static void draw_box_drawings_heavy_down_and_left(struct buf *buf) { hline_middle_left(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_light_up_and_right(struct buf *buf) { hline_middle_right(LIGHT); vline_middle_up(LIGHT); } static void draw_box_drawings_up_light_and_right_heavy(struct buf *buf) { _hline_middle_right(LIGHT, HEAVY); vline_middle_up(LIGHT); } static void draw_box_drawings_up_heavy_and_right_light(struct buf *buf) { hline_middle_right(LIGHT); _vline_middle_up(HEAVY, LIGHT); } static void draw_box_drawings_heavy_up_and_right(struct buf *buf) { hline_middle_right(HEAVY); vline_middle_up(HEAVY); } static void draw_box_drawings_light_up_and_left(struct buf *buf) { hline_middle_left(LIGHT); vline_middle_up(LIGHT); } static void draw_box_drawings_up_light_and_left_heavy(struct buf *buf) { _hline_middle_left(LIGHT, HEAVY); vline_middle_up(LIGHT); } static void draw_box_drawings_up_heavy_and_left_light(struct buf *buf) { hline_middle_left(LIGHT); _vline_middle_up(HEAVY, LIGHT); } static void draw_box_drawings_heavy_up_and_left(struct buf *buf) { hline_middle_left(HEAVY); vline_middle_up(HEAVY); } static void draw_box_drawings_light_vertical_and_right(struct buf *buf) { hline_middle_right(LIGHT); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_vertical_light_and_right_heavy(struct buf *buf) { _hline_middle_right(LIGHT, HEAVY); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_up_heavy_and_right_down_light(struct buf *buf) { hline_middle_right(LIGHT); _vline_middle_up(HEAVY, LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_down_heavy_and_right_up_light(struct buf *buf) { hline_middle_right(LIGHT); vline_middle_up(LIGHT); _vline_middle_down(HEAVY, LIGHT); } static void draw_box_drawings_vertical_heavy_and_right_light(struct buf *buf) { hline_middle_right(LIGHT); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_down_light_and_right_up_heavy(struct buf *buf) { hline_middle_right(HEAVY); vline_middle_up(HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_up_light_and_right_down_heavy(struct buf *buf) { hline_middle_right(HEAVY); vline_middle_up(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_heavy_vertical_and_right(struct buf *buf) { hline_middle_right(HEAVY); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_light_vertical_and_left(struct buf *buf) { hline_middle_left(LIGHT); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_vertical_light_and_left_heavy(struct buf *buf) { _hline_middle_left(LIGHT, HEAVY); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_up_heavy_and_left_down_light(struct buf *buf) { hline_middle_left(LIGHT); _vline_middle_up(HEAVY, LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_down_heavy_and_left_up_light(struct buf *buf) { hline_middle_left(LIGHT); vline_middle_up(LIGHT); _vline_middle_down(HEAVY, LIGHT); } static void draw_box_drawings_vertical_heavy_and_left_light(struct buf *buf) { hline_middle_left(LIGHT); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_down_light_and_left_up_heavy(struct buf *buf) { hline_middle_left(HEAVY); vline_middle_up(HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_up_light_and_left_down_heavy(struct buf *buf) { hline_middle_left(HEAVY); vline_middle_up(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_heavy_vertical_and_left(struct buf *buf) { hline_middle_left(HEAVY); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_light_down_and_horizontal(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_left_heavy_and_right_down_light(struct buf *buf) { _hline_middle_left(LIGHT, HEAVY); hline_middle_right(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_right_heavy_and_left_down_light(struct buf *buf) { hline_middle_left(LIGHT); _hline_middle_right(LIGHT, HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_down_light_and_horizontal_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_down_heavy_and_horizontal_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); _vline_middle_down(HEAVY, LIGHT); } static void draw_box_drawings_right_light_and_left_down_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_left_light_and_right_down_heavy(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_heavy_down_and_horizontal(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_light_up_and_horizontal(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline_middle_up(LIGHT); } static void draw_box_drawings_left_heavy_and_right_up_light(struct buf *buf) { _hline_middle_left(LIGHT, HEAVY); hline_middle_right(LIGHT); vline_middle_up(LIGHT); } static void draw_box_drawings_right_heavy_and_left_up_light(struct buf *buf) { hline_middle_left(LIGHT); _hline_middle_right(LIGHT, HEAVY); vline_middle_up(LIGHT); } static void draw_box_drawings_up_light_and_horizontal_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_up(LIGHT); } static void draw_box_drawings_up_heavy_and_horizontal_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); _vline_middle_up(HEAVY, LIGHT); } static void draw_box_drawings_right_light_and_left_up_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(LIGHT); vline_middle_up(HEAVY); } static void draw_box_drawings_left_light_and_right_up_heavy(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(HEAVY); vline_middle_up(HEAVY); } static void draw_box_drawings_heavy_up_and_horizontal(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_up(HEAVY); } static void draw_box_drawings_light_vertical_and_horizontal(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_left_heavy_and_right_vertical_light(struct buf *buf) { _hline_middle_left(LIGHT, HEAVY); hline_middle_right(LIGHT); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_right_heavy_and_left_vertical_light(struct buf *buf) { hline_middle_left(LIGHT); _hline_middle_right(LIGHT, HEAVY); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_vertical_light_and_horizontal_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_up(LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_up_heavy_and_down_horizontal_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); _vline_middle_up(HEAVY, LIGHT); vline_middle_down(LIGHT); } static void draw_box_drawings_down_heavy_and_up_horizontal_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline_middle_up(LIGHT); _vline_middle_down(HEAVY, LIGHT); } static void draw_box_drawings_vertical_heavy_and_horizontal_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_left_up_heavy_and_right_down_light(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(LIGHT); vline_middle_up(HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_right_up_heavy_and_left_down_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(HEAVY); vline_middle_up(HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_left_down_heavy_and_right_up_light(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(LIGHT); vline_middle_up(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_right_down_heavy_and_left_up_light(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(HEAVY); vline_middle_up(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_down_light_and_up_horizontal_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_up(HEAVY); vline_middle_down(LIGHT); } static void draw_box_drawings_up_light_and_down_horizontal_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_up(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_right_light_and_left_vertical_heavy(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(LIGHT); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_left_light_and_right_vertical_heavy(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(HEAVY); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_heavy_vertical_and_horizontal(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(HEAVY); vline_middle_up(HEAVY); vline_middle_down(HEAVY); } static void draw_box_drawings_light_double_dash_horizontal(struct buf *buf) { draw_box_drawings_dash_horizontal(buf, 2, thickness(LIGHT), thickness(LIGHT)); } static void draw_box_drawings_heavy_double_dash_horizontal(struct buf *buf) { draw_box_drawings_dash_horizontal(buf, 2, thickness(HEAVY), thickness(LIGHT)); } static void draw_box_drawings_light_double_dash_vertical(struct buf *buf) { draw_box_drawings_dash_vertical(buf, 2, thickness(LIGHT), thickness(HEAVY)); } static void draw_box_drawings_heavy_double_dash_vertical(struct buf *buf) { draw_box_drawings_dash_vertical(buf, 2, thickness(HEAVY), thickness(HEAVY)); } static void draw_box_drawings_double_horizontal(struct buf *buf) { int thick = thickness(LIGHT); int mid = (buf->height - thick * 3) / 2; hline(0, buf->width, mid, thick); hline(0, buf->width, mid + 2 * thick, thick); } static void draw_box_drawings_double_vertical(struct buf *buf) { int thick = thickness(LIGHT); int mid = (buf->width - thick * 3) / 2; vline(0, buf->height, mid, thick); vline(0, buf->height, mid + 2 * thick, thick); } static void draw_box_drawings_down_single_and_right_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick) / 2; vline_middle_down(LIGHT); hline(vmid, buf->width, hmid, thick); hline(vmid, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_down_double_and_right_single(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick) / 2; int vmid = (buf->width - thick * 3) / 2; hline_middle_right(LIGHT); vline(hmid, buf->height, vmid, thick); vline(hmid, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_double_down_and_right(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(hmid, buf->height, vmid, thick); vline(hmid + 2 * thick, buf->height, vmid + 2 * thick, thick); hline(vmid, buf->width, hmid, thick); hline(vmid + 2 * thick, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_down_single_and_left_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width + thick) / 2; vline_middle_down(LIGHT); hline(0, vmid, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); } static void draw_box_drawings_down_double_and_left_single(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick) / 2; int vmid = (buf->width - thick * 3) / 2; hline_middle_left(LIGHT); vline(hmid, buf->height, vmid, thick); vline(hmid, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_double_down_and_left(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(hmid + 2 * thick, buf->height, vmid, thick); vline(hmid, buf->height, vmid + 2 * thick, thick); hline(0, vmid + 2 * thick, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); } static void draw_box_drawings_up_single_and_right_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick) / 2; vline_middle_up(LIGHT); hline(vmid, buf->width, hmid, thick); hline(vmid, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_up_double_and_right_single(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height + thick) / 2; int vmid = (buf->width - thick * 3) / 2; hline_middle_right(LIGHT); vline(0, hmid, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); } static void draw_box_drawings_double_up_and_right(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(0, hmid + 2 * thick, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); hline(vmid + 2 * thick, buf->width, hmid, thick); hline(vmid, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_up_single_and_left_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width + thick) / 2; vline_middle_up(LIGHT); hline(0, vmid, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); } static void draw_box_drawings_up_double_and_left_single(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height + thick) / 2; int vmid = (buf->width - thick * 3) / 2; hline_middle_left(LIGHT); vline(0, hmid, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); } static void draw_box_drawings_double_up_and_left(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(0, hmid + 0 * thick + thick, vmid, thick); vline(0, hmid + 2 * thick + thick, vmid + 2 * thick, thick); hline(0, vmid, hmid, thick); hline(0, vmid + 2 * thick, hmid + 2 * thick, thick); } static void draw_box_drawings_vertical_single_and_right_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick) / 2; vline_middle_up(LIGHT); vline_middle_down(LIGHT); hline(vmid, buf->width, hmid, thick); hline(vmid, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_vertical_double_and_right_single(struct buf *buf) { int thick = thickness(LIGHT); int vmid = (buf->width - thick * 3) / 2; hline(vmid + 2 * thick, buf->width, (buf->height - thick) / 2, thick); vline(0, buf->height, vmid, thick); vline(0, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_double_vertical_and_right(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(0, buf->height, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); vline(hmid + 2 * thick, buf->height, vmid + 2 * thick, thick); hline(vmid + 2 * thick, buf->width, hmid, thick); hline(vmid + 2 * thick, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_vertical_single_and_left_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width + thick) / 2; vline_middle_up(LIGHT); vline_middle_down(LIGHT); hline(0, vmid, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); } static void draw_box_drawings_vertical_double_and_left_single(struct buf *buf) { int thick = thickness(LIGHT); int vmid = (buf->width - thick * 3) / 2; hline(0, vmid, (buf->height - thick) / 2, thick); vline(0, buf->height, vmid, thick); vline(0, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_double_vertical_and_left(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(0, buf->height, vmid + 2 * thick, thick); vline(0, hmid, vmid, thick); vline(hmid + 2 * thick, buf->height, vmid, thick); hline(0, vmid + thick, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); } static void draw_box_drawings_down_single_and_horizontal_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; vline(hmid + 2 * thick, buf->height, (buf->width - thick) / 2, thick); hline(0, buf->width, hmid, thick); hline(0, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_down_double_and_horizontal_single(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick) / 2; int vmid = (buf->width - thick * 3) / 2; hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline(hmid, buf->height, vmid, thick); vline(hmid, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_double_down_and_horizontal(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; hline(0, buf->width, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); hline(vmid + 2 * thick, buf->width, hmid + 2 * thick, thick); vline(hmid + 2 * thick, buf->height, vmid, thick); vline(hmid + 2 * thick, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_up_single_and_horizontal_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick) / 2; vline(0, hmid, vmid, thick); hline(0, buf->width, hmid, thick); hline(0, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_up_double_and_horizontal_single(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick) / 2; int vmid = (buf->width - thick * 3) / 2; hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline(0, hmid, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); } static void draw_box_drawings_double_up_and_horizontal(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; vline(0, hmid, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); hline(0, vmid + thick, hmid, thick); hline(vmid + 2 * thick, buf->width, hmid, thick); hline(0, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_vertical_single_and_horizontal_double(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; vline_middle_up(LIGHT); vline_middle_down(LIGHT); hline(0, buf->width, hmid, thick); hline(0, buf->width, hmid + 2 * thick, thick); } static void draw_box_drawings_vertical_double_and_horizontal_single(struct buf *buf) { int thick = thickness(LIGHT); int vmid = (buf->width - thick * 3) / 2; hline_middle_left(LIGHT); hline_middle_right(LIGHT); vline(0, buf->height, vmid, thick); vline(0, buf->height, vmid + 2 * thick, thick); } static void draw_box_drawings_double_vertical_and_horizontal(struct buf *buf) { int thick = thickness(LIGHT); int hmid = (buf->height - thick * 3) / 2; int vmid = (buf->width - thick * 3) / 2; hline(0, vmid, hmid, thick); hline(vmid + 2 * thick, buf->width, hmid, thick); hline(0, vmid, hmid + 2 * thick, thick); hline(vmid + 2 * thick, buf->width, hmid + 2 * thick, thick); vline(0, hmid, vmid, thick); vline(0, hmid, vmid + 2 * thick, thick); vline(hmid + 2 * thick, buf->height, vmid, thick); vline(hmid + 2 * thick, buf->height, vmid + 2 * thick, thick); } #define cubic_bezier_x(t) __extension__ \ ({ \ double tm1 = 1 - t; \ double tm1_3 = tm1 * tm1 * tm1; \ double t_3 = t * t * t; \ tm1_3 * start_x + 3 * t * tm1 * (tm1 * c1_x + t * c2_x) + t_3 * end_x; \ }) #define cubic_bezier_y(t) __extension__ \ ({ \ double tm1 = 1 - t; \ double tm1_3 = tm1 * tm1 * tm1; \ double t_3 = t * t * t; \ tm1_3 * start_y + 3 * t * tm1 * (tm1 * c1_y + t * c2_y) + t_3 * end_y; \ }) static void draw_box_drawings_light_arc(wchar_t wc, struct buf *buf) { int thick = thickness(LIGHT); int delta = thick / 2; int extra = thick % 2; int hw = (buf->width - thick) / 2; int hh = (buf->height - thick) / 2; int start_x, start_y, end_x, end_y, c1_x, c1_y, c2_x, c2_y; if (wc == L'╭') { start_x = hw; start_y = 2 * hh; end_x = 2 * hw; end_y = hh; c1_x = hw; c1_y = 3 * buf->height / 4; c2_x = hw; c2_y = hh; } else if (wc == L'╮') { start_x = hw; start_y = 2 * hh; end_x = 0; end_y = hh; c1_x = hw; c1_y = 3 * buf->height / 4; c2_x = hw; c2_y = hh; } else if (wc == L'╯') { start_x = hw; start_y = 0; end_x = 0; end_y = hh; c1_x = hw; c1_y = buf->height / 4; c2_x = hw; c2_y = hh; } else { assert(wc == L'╰'); start_x = hw; start_y = 0; end_x = 2 * hw; end_y = hh; c1_x = hw; c1_y = buf->height / 4; c2_x = hw; c2_y = hh; } int num_samples = buf->height * 4; for (size_t i = 0; i < num_samples + 1; i++) { double t = (double)i / num_samples; int p_x = round(cubic_bezier_x(t)); int p_y = round(cubic_bezier_y(t)); for (int y = max(p_y - delta, 0); y < min(p_y + delta + extra, buf->height); y++) { for (int x = max(p_x - delta, 0); x < min(p_x + delta + extra, buf->width); x++) { size_t ofs = x / 8; size_t bit_no = x % 8; buf->data[y * buf->stride + ofs] |= 1 << bit_no; } } } if (wc == L'╭' || wc == L'╰') { for (int x = 2 * hw; x < buf->width; x++) { for (int y = max(hh - delta, 0); y < min(hh + delta + extra, buf->height); y++) { size_t ofs = x / 8; size_t bit_no = x % 8; buf->data[y * buf->stride + ofs] |= 1 << bit_no; } } } if (wc == L'╭' || wc == L'╮') { for (int y = 2 * hh; y < buf->height; y++) { for (int x = max(hw - delta, 0); x < min(hw + delta + extra, buf->width); x++) { size_t ofs = x / 8; size_t bit_no = x % 8; buf->data[y * buf->stride + ofs] |= 1 << bit_no; } } } } static void draw_box_drawings_light_diagonal(struct buf *buf, double k, double c) { #define linear_equation(x) (k * (x) + c) int num_samples = buf->width * 16; for (int i = 0; i < num_samples; i++) { double x = i / 16.; int col = round(x); int row = round(linear_equation(x)); if (row >= 0 && row < buf->height) { size_t ofs = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + ofs] |= 1 << bit_no; } } #undef linear_equation } static void draw_box_drawings_light_diagonal_upper_right_to_lower_left(struct buf *buf) { /* y = k * x + c */ double c = buf->height - 1; double k = (0 - (buf->height - 1)) / (double)(buf->width - 1 - 0); draw_box_drawings_light_diagonal(buf, k, c); } static void draw_box_drawings_light_diagonal_upper_left_to_lower_right(struct buf *buf) { /* y = k * x + c */ double c = 0; double k = (buf->height - 1 - 0) / (double)(buf->width - 1 - 0); draw_box_drawings_light_diagonal(buf, k, c); } static void draw_box_drawings_light_diagonal_cross(struct buf *buf) { draw_box_drawings_light_diagonal_upper_right_to_lower_left(buf); draw_box_drawings_light_diagonal_upper_left_to_lower_right(buf); } static void draw_box_drawings_light_left(struct buf *buf) { hline_middle_left(LIGHT); } static void draw_box_drawings_light_up(struct buf *buf) { vline_middle_up(LIGHT); } static void draw_box_drawings_light_right(struct buf *buf) { hline_middle_right(LIGHT); } static void draw_box_drawings_light_down(struct buf *buf) { vline_middle_down(LIGHT); } static void draw_box_drawings_heavy_left(struct buf *buf) { hline_middle_left(HEAVY); } static void draw_box_drawings_heavy_up(struct buf *buf) { vline_middle_up(HEAVY); } static void draw_box_drawings_heavy_right(struct buf *buf) { hline_middle_right(HEAVY); } static void draw_box_drawings_heavy_down(struct buf *buf) { vline_middle_down(HEAVY); } static void draw_box_drawings_light_left_and_heavy_right(struct buf *buf) { hline_middle_left(LIGHT); hline_middle_right(HEAVY); } static void draw_box_drawings_light_up_and_heavy_down(struct buf *buf) { vline_middle_up(LIGHT); vline_middle_down(HEAVY); } static void draw_box_drawings_heavy_left_and_light_right(struct buf *buf) { hline_middle_left(HEAVY); hline_middle_right(LIGHT); } static void draw_box_drawings_heavy_up_and_light_down(struct buf *buf) { vline_middle_up(HEAVY); vline_middle_down(LIGHT); } static void draw_upper_half_block(struct buf *buf) { rect(0, 0, buf->width, round(buf->height / 2.)); } static void draw_lower_one_eighth_block(struct buf *buf) { rect(0, buf->height - round(buf->height / 8.), buf->width, buf->height); } static void draw_lower_one_quarter_block(struct buf *buf) { rect(0, buf->height - round(buf->height / 4.), buf->width, buf->height); } static void draw_lower_three_eighths_block(struct buf *buf) { rect(0, buf->height - round(3. * buf->height / 8.), buf->width, buf->height); } static void draw_lower_half_block(struct buf *buf) { rect(0, buf->height - round(buf->height / 2.), buf->width, buf->height); } static void draw_lower_five_eighths_block(struct buf *buf) { rect(0, buf->height - round(5. * buf->height / 8.), buf->width, buf->height); } static void draw_lower_three_quarters_block(struct buf *buf) { rect(0, buf->height - round(3. * buf->height / 4.), buf->width, buf->height); } static void draw_lower_seven_eighths_block(struct buf *buf) { rect(0, buf->height - round(7. * buf->height / 8.), buf->width, buf->height); } static void draw_full_block(struct buf *buf) { rect(0, 0, buf->width, buf->height); } static void draw_left_seven_eighths_block(struct buf *buf) { rect(0, 0, round(7. * buf->width / 8.), buf->height); } static void draw_left_three_quarters_block(struct buf *buf) { rect(0, 0, round(3. * buf->width / 4.), buf->height); } static void draw_left_five_eighths_block(struct buf *buf) { rect(0, 0, round(5. * buf->width / 8.), buf->height); } static void draw_left_half_block(struct buf *buf) { rect(0, 0, round(buf->width / 2.), buf->height); } static void draw_left_three_eighths_block(struct buf *buf) { rect(0, 0, round(3. * buf->width / 8.), buf->height); } static void draw_left_one_quarter_block(struct buf *buf) { rect(0, 0, round(buf->width / 4.), buf->height); } static void draw_left_one_eighth_block(struct buf *buf) { rect(0, 0, round(buf->width / 8.), buf->height); } static void draw_right_half_block(struct buf *buf) { rect(round(buf->width / 2.), 0, buf->width, buf->height); } static void draw_light_shade(struct buf *buf) { for (size_t row = 0; row < buf->height; row += 2) { for (size_t col = 0; col < buf->width; col += 2) { size_t idx = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + idx] |= 1 << bit_no; } } } static void draw_medium_shade(struct buf *buf) { for (size_t row = 0; row < buf->height; row++) { for (size_t col = row % 2; col < buf->width; col += 2) { size_t idx = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + idx] |= 1 << bit_no; } } } static void draw_dark_shade(struct buf *buf) { for (size_t row = 0; row < buf->height; row++) { for (size_t col = 0; col < buf->width; col += 1 + row % 2) { size_t idx = col / 8; size_t bit_no = col % 8; buf->data[row * buf->stride + idx] |= 1 << bit_no; } } } static void draw_upper_one_eighth_block(struct buf *buf) { rect(0, 0, buf->width, round(buf->height / 8.)); } static void draw_right_one_eighth_block(struct buf *buf) { rect(buf->width - round(buf->width / 8.), 0, buf->width, buf->height); } static void quad_upper_left(struct buf *buf) { rect(0, 0, ceil(buf->width / 2.), ceil(buf->height / 2.)); } static void quad_upper_right(struct buf *buf) { rect(floor(buf->width / 2.), 0, buf->width, ceil(buf->height / 2.)); } static void quad_lower_left(struct buf *buf) { rect(0, floor(buf->height / 2.), ceil(buf->width / 2.), buf->height); } static void quad_lower_right(struct buf *buf) { rect(floor(buf->width / 2.), floor(buf->height / 2.), buf->width, buf->height); } static void draw_quadrant_lower_left(struct buf *buf) { quad_lower_left(buf); } static void draw_quadrant_lower_right(struct buf *buf) { quad_lower_right(buf); } static void draw_quadrant_upper_left(struct buf *buf) { quad_upper_left(buf); } static void draw_quadrant_upper_left_and_lower_left_and_lower_right(struct buf *buf) { quad_upper_left(buf); quad_lower_left(buf); quad_lower_right(buf); } static void draw_quadrant_upper_left_and_lower_right(struct buf *buf) { quad_upper_left(buf); quad_lower_right(buf); } static void draw_quadrant_upper_left_and_upper_right_and_lower_left(struct buf *buf) { quad_upper_left(buf); quad_upper_right(buf); quad_lower_left(buf); } static void draw_quadrant_upper_left_and_upper_right_and_lower_right(struct buf *buf) { quad_upper_left(buf); quad_upper_right(buf); quad_lower_right(buf); } static void draw_quadrant_upper_right(struct buf *buf) { quad_upper_right(buf); } static void draw_quadrant_upper_right_and_lower_left(struct buf *buf) { quad_upper_right(buf); quad_lower_left(buf); } static void draw_quadrant_upper_right_and_lower_left_and_lower_right(struct buf *buf) { quad_upper_right(buf); quad_lower_left(buf); quad_lower_right(buf); } #define sextant_upper_left() rect(0, 0, round(buf->width / 2.), round(buf->height / 3.)) #define sextant_middle_left() rect(0, buf->height / 3, round(buf->width / 2.), round(2. * buf->height / 3.)) #define sextant_lower_left() rect(0, 2 * buf->height / 3, round(buf->width / 2.), buf->height) #define sextant_upper_right() rect(buf->width / 2, 0, buf->width, round(buf->height / 3.)) #define sextant_middle_right() rect(buf->width / 2, buf->height / 3, buf->width, round(2. * buf->height / 3.)) #define sextant_lower_right() rect(buf->width / 2, 2 * buf->height / 3, buf->width, buf->height) static void draw_sextant(wchar_t wc, struct buf *buf) { /* * Each byte encodes one sextant: * * Bit sextant * 0 upper left * 1 middle left * 2 lower left * 3 upper right * 4 middle right * 5 lower right */ #define UPPER_LEFT (1 << 0) #define MIDDLE_LEFT (1 << 1) #define LOWER_LEFT (1 << 2) #define UPPER_RIGHT (1 << 3) #define MIDDLE_RIGHT (1 << 4) #define LOWER_RIGHT (1 << 5) static const uint8_t matrix[60] = { /* U+1fb00 - U+1fb0f */ UPPER_LEFT, UPPER_RIGHT, UPPER_LEFT | UPPER_RIGHT, MIDDLE_LEFT, UPPER_LEFT | MIDDLE_LEFT, UPPER_RIGHT | MIDDLE_LEFT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT, MIDDLE_RIGHT, UPPER_LEFT | MIDDLE_RIGHT, UPPER_RIGHT | MIDDLE_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_RIGHT, MIDDLE_LEFT | MIDDLE_RIGHT, UPPER_LEFT | MIDDLE_LEFT | MIDDLE_RIGHT, UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT, LOWER_LEFT, /* U+1fb10 - U+1fb1f */ UPPER_LEFT | LOWER_LEFT, UPPER_RIGHT | LOWER_LEFT, UPPER_LEFT | UPPER_RIGHT | LOWER_LEFT, MIDDLE_LEFT | LOWER_LEFT, UPPER_RIGHT | MIDDLE_LEFT | LOWER_LEFT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT | LOWER_LEFT, MIDDLE_RIGHT | LOWER_LEFT, UPPER_LEFT | MIDDLE_RIGHT | LOWER_LEFT, UPPER_RIGHT | MIDDLE_RIGHT | LOWER_LEFT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_RIGHT | LOWER_LEFT, MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT, UPPER_LEFT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT, UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT, LOWER_RIGHT, UPPER_LEFT | LOWER_RIGHT, /* U+1fb20 - U+1fb2f */ UPPER_RIGHT | LOWER_RIGHT, UPPER_LEFT | UPPER_RIGHT | LOWER_RIGHT, MIDDLE_LEFT | LOWER_RIGHT, UPPER_LEFT | MIDDLE_LEFT | LOWER_RIGHT, UPPER_RIGHT | MIDDLE_LEFT | LOWER_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT | LOWER_RIGHT, MIDDLE_RIGHT | LOWER_RIGHT, UPPER_LEFT | MIDDLE_RIGHT | LOWER_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_RIGHT | LOWER_RIGHT, MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_RIGHT, UPPER_LEFT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_RIGHT, UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_RIGHT, LOWER_LEFT | LOWER_RIGHT, UPPER_LEFT | LOWER_LEFT | LOWER_RIGHT, UPPER_RIGHT | LOWER_LEFT | LOWER_RIGHT, /* U+1fb30 - U+1fb3b */ UPPER_LEFT | UPPER_RIGHT | LOWER_LEFT | LOWER_RIGHT, MIDDLE_LEFT | LOWER_LEFT | LOWER_RIGHT, UPPER_LEFT | MIDDLE_LEFT | LOWER_LEFT | LOWER_RIGHT, UPPER_RIGHT | MIDDLE_LEFT | LOWER_LEFT | LOWER_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_LEFT | LOWER_LEFT | LOWER_RIGHT, MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, UPPER_LEFT | MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, UPPER_RIGHT | MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, UPPER_LEFT | UPPER_RIGHT | MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, UPPER_LEFT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, UPPER_RIGHT | MIDDLE_LEFT | MIDDLE_RIGHT | LOWER_LEFT | LOWER_RIGHT, }; assert(wc >= 0x1fb00 && wc <= 0x1fb3b); const size_t idx = wc - 0x1fb00; assert(idx < ALEN(matrix)); uint8_t encoded = matrix[idx]; if (encoded & UPPER_LEFT) sextant_upper_left(); if (encoded & MIDDLE_LEFT) sextant_middle_left(); if (encoded & LOWER_LEFT) sextant_lower_left(); if (encoded & UPPER_RIGHT) sextant_upper_right(); if (encoded & MIDDLE_RIGHT) sextant_middle_right(); if (encoded & LOWER_RIGHT) sextant_lower_right(); } static void draw_glyph(wchar_t wc, struct buf *buf) { #if defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wpedantic" #endif switch (wc) { case 0x2500: draw_box_drawings_light_horizontal(buf); break; case 0x2501: draw_box_drawings_heavy_horizontal(buf); break; case 0x2502: draw_box_drawings_light_vertical(buf); break; case 0x2503: draw_box_drawings_heavy_vertical(buf); break; case 0x2504: draw_box_drawings_light_triple_dash_horizontal(buf); break; case 0x2505: draw_box_drawings_heavy_triple_dash_horizontal(buf); break; case 0x2506: draw_box_drawings_light_triple_dash_vertical(buf); break; case 0x2507: draw_box_drawings_heavy_triple_dash_vertical(buf); break; case 0x2508: draw_box_drawings_light_quadruple_dash_horizontal(buf); break; case 0x2509: draw_box_drawings_heavy_quadruple_dash_horizontal(buf); break; case 0x250a: draw_box_drawings_light_quadruple_dash_vertical(buf); break; case 0x250b: draw_box_drawings_heavy_quadruple_dash_vertical(buf); break; case 0x250c: draw_box_drawings_light_down_and_right(buf); break; case 0x250d: draw_box_drawings_down_light_and_right_heavy(buf); break; case 0x250e: draw_box_drawings_down_heavy_and_right_light(buf); break; case 0x250f: draw_box_drawings_heavy_down_and_right(buf); break; case 0x2510: draw_box_drawings_light_down_and_left(buf); break; case 0x2511: draw_box_drawings_down_light_and_left_heavy(buf); break; case 0x2512: draw_box_drawings_down_heavy_and_left_light(buf); break; case 0x2513: draw_box_drawings_heavy_down_and_left(buf); break; case 0x2514: draw_box_drawings_light_up_and_right(buf); break; case 0x2515: draw_box_drawings_up_light_and_right_heavy(buf); break; case 0x2516: draw_box_drawings_up_heavy_and_right_light(buf); break; case 0x2517: draw_box_drawings_heavy_up_and_right(buf); break; case 0x2518: draw_box_drawings_light_up_and_left(buf); break; case 0x2519: draw_box_drawings_up_light_and_left_heavy(buf); break; case 0x251a: draw_box_drawings_up_heavy_and_left_light(buf); break; case 0x251b: draw_box_drawings_heavy_up_and_left(buf); break; case 0x251c: draw_box_drawings_light_vertical_and_right(buf); break; case 0x251d: draw_box_drawings_vertical_light_and_right_heavy(buf); break; case 0x251e: draw_box_drawings_up_heavy_and_right_down_light(buf); break; case 0x251f: draw_box_drawings_down_heavy_and_right_up_light(buf); break; case 0x2520: draw_box_drawings_vertical_heavy_and_right_light(buf); break; case 0x2521: draw_box_drawings_down_light_and_right_up_heavy(buf); break; case 0x2522: draw_box_drawings_up_light_and_right_down_heavy(buf); break; case 0x2523: draw_box_drawings_heavy_vertical_and_right(buf); break; case 0x2524: draw_box_drawings_light_vertical_and_left(buf); break; case 0x2525: draw_box_drawings_vertical_light_and_left_heavy(buf); break; case 0x2526: draw_box_drawings_up_heavy_and_left_down_light(buf); break; case 0x2527: draw_box_drawings_down_heavy_and_left_up_light(buf); break; case 0x2528: draw_box_drawings_vertical_heavy_and_left_light(buf); break; case 0x2529: draw_box_drawings_down_light_and_left_up_heavy(buf); break; case 0x252a: draw_box_drawings_up_light_and_left_down_heavy(buf); break; case 0x252b: draw_box_drawings_heavy_vertical_and_left(buf); break; case 0x252c: draw_box_drawings_light_down_and_horizontal(buf); break; case 0x252d: draw_box_drawings_left_heavy_and_right_down_light(buf); break; case 0x252e: draw_box_drawings_right_heavy_and_left_down_light(buf); break; case 0x252f: draw_box_drawings_down_light_and_horizontal_heavy(buf); break; case 0x2530: draw_box_drawings_down_heavy_and_horizontal_light(buf); break; case 0x2531: draw_box_drawings_right_light_and_left_down_heavy(buf); break; case 0x2532: draw_box_drawings_left_light_and_right_down_heavy(buf); break; case 0x2533: draw_box_drawings_heavy_down_and_horizontal(buf); break; case 0x2534: draw_box_drawings_light_up_and_horizontal(buf); break; case 0x2535: draw_box_drawings_left_heavy_and_right_up_light(buf); break; case 0x2536: draw_box_drawings_right_heavy_and_left_up_light(buf); break; case 0x2537: draw_box_drawings_up_light_and_horizontal_heavy(buf); break; case 0x2538: draw_box_drawings_up_heavy_and_horizontal_light(buf); break; case 0x2539: draw_box_drawings_right_light_and_left_up_heavy(buf); break; case 0x253a: draw_box_drawings_left_light_and_right_up_heavy(buf); break; case 0x253b: draw_box_drawings_heavy_up_and_horizontal(buf); break; case 0x253c: draw_box_drawings_light_vertical_and_horizontal(buf); break; case 0x253d: draw_box_drawings_left_heavy_and_right_vertical_light(buf); break; case 0x253e: draw_box_drawings_right_heavy_and_left_vertical_light(buf); break; case 0x253f: draw_box_drawings_vertical_light_and_horizontal_heavy(buf); break; case 0x2540: draw_box_drawings_up_heavy_and_down_horizontal_light(buf); break; case 0x2541: draw_box_drawings_down_heavy_and_up_horizontal_light(buf); break; case 0x2542: draw_box_drawings_vertical_heavy_and_horizontal_light(buf); break; case 0x2543: draw_box_drawings_left_up_heavy_and_right_down_light(buf); break; case 0x2544: draw_box_drawings_right_up_heavy_and_left_down_light(buf); break; case 0x2545: draw_box_drawings_left_down_heavy_and_right_up_light(buf); break; case 0x2546: draw_box_drawings_right_down_heavy_and_left_up_light(buf); break; case 0x2547: draw_box_drawings_down_light_and_up_horizontal_heavy(buf); break; case 0x2548: draw_box_drawings_up_light_and_down_horizontal_heavy(buf); break; case 0x2549: draw_box_drawings_right_light_and_left_vertical_heavy(buf); break; case 0x254a: draw_box_drawings_left_light_and_right_vertical_heavy(buf); break; case 0x254b: draw_box_drawings_heavy_vertical_and_horizontal(buf); break; case 0x254c: draw_box_drawings_light_double_dash_horizontal(buf); break; case 0x254d: draw_box_drawings_heavy_double_dash_horizontal(buf); break; case 0x254e: draw_box_drawings_light_double_dash_vertical(buf); break; case 0x254f: draw_box_drawings_heavy_double_dash_vertical(buf); break; case 0x2550: draw_box_drawings_double_horizontal(buf); break; case 0x2551: draw_box_drawings_double_vertical(buf); break; case 0x2552: draw_box_drawings_down_single_and_right_double(buf); break; case 0x2553: draw_box_drawings_down_double_and_right_single(buf); break; case 0x2554: draw_box_drawings_double_down_and_right(buf); break; case 0x2555: draw_box_drawings_down_single_and_left_double(buf); break; case 0x2556: draw_box_drawings_down_double_and_left_single(buf); break; case 0x2557: draw_box_drawings_double_down_and_left(buf); break; case 0x2558: draw_box_drawings_up_single_and_right_double(buf); break; case 0x2559: draw_box_drawings_up_double_and_right_single(buf); break; case 0x255a: draw_box_drawings_double_up_and_right(buf); break; case 0x255b: draw_box_drawings_up_single_and_left_double(buf); break; case 0x255c: draw_box_drawings_up_double_and_left_single(buf); break; case 0x255d: draw_box_drawings_double_up_and_left(buf); break; case 0x255e: draw_box_drawings_vertical_single_and_right_double(buf); break; case 0x255f: draw_box_drawings_vertical_double_and_right_single(buf); break; case 0x2560: draw_box_drawings_double_vertical_and_right(buf); break; case 0x2561: draw_box_drawings_vertical_single_and_left_double(buf); break; case 0x2562: draw_box_drawings_vertical_double_and_left_single(buf); break; case 0x2563: draw_box_drawings_double_vertical_and_left(buf); break; case 0x2564: draw_box_drawings_down_single_and_horizontal_double(buf); break; case 0x2565: draw_box_drawings_down_double_and_horizontal_single(buf); break; case 0x2566: draw_box_drawings_double_down_and_horizontal(buf); break; case 0x2567: draw_box_drawings_up_single_and_horizontal_double(buf); break; case 0x2568: draw_box_drawings_up_double_and_horizontal_single(buf); break; case 0x2569: draw_box_drawings_double_up_and_horizontal(buf); break; case 0x256a: draw_box_drawings_vertical_single_and_horizontal_double(buf); break; case 0x256b: draw_box_drawings_vertical_double_and_horizontal_single(buf); break; case 0x256c: draw_box_drawings_double_vertical_and_horizontal(buf); break; case 0x256d ... 0x2570: draw_box_drawings_light_arc(wc, buf); break; case 0x2571: draw_box_drawings_light_diagonal_upper_right_to_lower_left(buf); break; case 0x2572: draw_box_drawings_light_diagonal_upper_left_to_lower_right(buf); break; case 0x2573: draw_box_drawings_light_diagonal_cross(buf); break; case 0x2574: draw_box_drawings_light_left(buf); break; case 0x2575: draw_box_drawings_light_up(buf); break; case 0x2576: draw_box_drawings_light_right(buf); break; case 0x2577: draw_box_drawings_light_down(buf); break; case 0x2578: draw_box_drawings_heavy_left(buf); break; case 0x2579: draw_box_drawings_heavy_up(buf); break; case 0x257a: draw_box_drawings_heavy_right(buf); break; case 0x257b: draw_box_drawings_heavy_down(buf); break; case 0x257c: draw_box_drawings_light_left_and_heavy_right(buf); break; case 0x257d: draw_box_drawings_light_up_and_heavy_down(buf); break; case 0x257e: draw_box_drawings_heavy_left_and_light_right(buf); break; case 0x257f: draw_box_drawings_heavy_up_and_light_down(buf); break; case 0x2580: draw_upper_half_block(buf); break; case 0x2581: draw_lower_one_eighth_block(buf); break; case 0x2582: draw_lower_one_quarter_block(buf); break; case 0x2583: draw_lower_three_eighths_block(buf); break; case 0x2584: draw_lower_half_block(buf); break; case 0x2585: draw_lower_five_eighths_block(buf); break; case 0x2586: draw_lower_three_quarters_block(buf); break; case 0x2587: draw_lower_seven_eighths_block(buf); break; case 0x2588: draw_full_block(buf); break; case 0x2589: draw_left_seven_eighths_block(buf); break; case 0x258a: draw_left_three_quarters_block(buf); break; case 0x258b: draw_left_five_eighths_block(buf); break; case 0x258c: draw_left_half_block(buf); break; case 0x258d: draw_left_three_eighths_block(buf); break; case 0x258e: draw_left_one_quarter_block(buf); break; case 0x258f: draw_left_one_eighth_block(buf); break; case 0x2590: draw_right_half_block(buf); break; case 0x2591: draw_light_shade(buf); break; case 0x2592: draw_medium_shade(buf); break; case 0x2593: draw_dark_shade(buf); break; case 0x2594: draw_upper_one_eighth_block(buf); break; case 0x2595: draw_right_one_eighth_block(buf); break; case 0x2596: draw_quadrant_lower_left(buf); break; case 0x2597: draw_quadrant_lower_right(buf); break; case 0x2598: draw_quadrant_upper_left(buf); break; case 0x2599: draw_quadrant_upper_left_and_lower_left_and_lower_right(buf); break; case 0x259a: draw_quadrant_upper_left_and_lower_right(buf); break; case 0x259b: draw_quadrant_upper_left_and_upper_right_and_lower_left(buf); break; case 0x259c: draw_quadrant_upper_left_and_upper_right_and_lower_right(buf); break; case 0x259d: draw_quadrant_upper_right(buf); break; case 0x259e: draw_quadrant_upper_right_and_lower_left(buf); break; case 0x259f: draw_quadrant_upper_right_and_lower_left_and_lower_right(buf); break; case 0x1fb00 ... 0x1fb3b: draw_sextant(wc, buf); break; } #if defined(__GNUC__) #pragma GCC diagnostic pop #endif } struct fcft_glyph * COLD box_drawing(const struct terminal *term, wchar_t wc) { int width = term->cell_width; int height = term->cell_height; int stride = stride_for_format_and_width(PIXMAN_a1, width); uint8_t *data = xcalloc(height * stride, 1); pixman_image_t *pix = pixman_image_create_bits_no_clear( PIXMAN_a1, width, height, (uint32_t*)data, stride); if (pix == NULL) { errno = ENOMEM; perror(__func__); abort(); } struct buf buf = { .data = data, .width = width, .height = height, .stride = stride, .dpi = term->font_dpi, }; draw_glyph(wc, &buf); struct fcft_glyph *glyph = xmalloc(sizeof(*glyph)); *glyph = (struct fcft_glyph){ .wc = wc, .cols = 1, .pix = pix, .x = 0, .y = term->fonts[0]->ascent, .width = width, .height = height, .advance = { .x = width, .y = height, }, }; return glyph; }