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box-drawing: wrap {h,v}hline() functions in macros, to shorten argument list
Rename the *function* {h,v}line() to _{h,v}line(), and add two new
macros: hline() and vline().
This allows us to shorten the argument list by removing the ‘buf’ and
‘stride’ arguments.
This commit is contained in:
Daniel Eklöf
parent
25d2b03a5c
commit
b5ec34ca12
1 changed files with 98 additions and 94 deletions
192
box-drawing.c
192
box-drawing.c
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@ -22,7 +22,7 @@ thickness(float pts, int dpi)
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}
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static void
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hline(uint8_t *buf, int x1, int x2, int y, int thick, int stride)
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_hline(uint8_t *buf, int x1, int x2, int y, int thick, int stride)
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{
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for (size_t row = y; row < y + thick; row++) {
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for (size_t col = x1; col < x2; col++) {
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@ -33,8 +33,10 @@ hline(uint8_t *buf, int x1, int x2, int y, int thick, int stride)
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}
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}
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#define hline(x1, x2, y, thick) _hline(buf, x1, x2, y, thick, stride)
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static void
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vline(uint8_t *buf, int y1, int y2, int x, int thick, int stride)
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_vline(uint8_t *buf, int y1, int y2, int x, int thick, int stride)
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{
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for (size_t row = y1; row < y2; row++) {
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for (size_t col = x; col < x + thick; col++) {
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@ -45,6 +47,8 @@ vline(uint8_t *buf, int y1, int y2, int x, int thick, int stride)
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}
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}
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#define vline(y1, y2, x, thick) _vline(buf, y1, y2, x, thick, stride)
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static void
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rectangle(uint8_t *buf, int x1, int y1, int x2, int y2, int stride)
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{
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@ -61,28 +65,28 @@ rectangle(uint8_t *buf, int x1, int y1, int x2, int y2, int stride)
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do { \
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int vthick = thickness(_vthick, dpi); \
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int hthick = thickness(_hthick, dpi); \
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hline(buf, 0, (width + vthick) / 2, (height - hthick) / 2, hthick, stride); \
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hline(0, (width + vthick) / 2, (height - hthick) / 2, hthick); \
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} while (0)
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#define _hline_middle_right(_vthick, _hthick) \
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do { \
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int vthick = thickness(_vthick, dpi); \
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int hthick = thickness(_hthick, dpi); \
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hline(buf, (width - vthick) / 2, width, (height - hthick) / 2, hthick, stride); \
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hline((width - vthick) / 2, width, (height - hthick) / 2, hthick); \
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} while (0)
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#define _vline_middle_up(_vthick, _hthick) \
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do { \
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int vthick = thickness(_vthick, dpi); \
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int hthick = thickness(_hthick, dpi); \
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vline(buf, 0, (height + hthick) / 2, (width - vthick) / 2, vthick, stride); \
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vline(0, (height + hthick) / 2, (width - vthick) / 2, vthick); \
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} while (0)
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#define _vline_middle_down(_vthick, _hthick) \
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do { \
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int vthick = thickness(_vthick, dpi); \
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int hthick = thickness(_hthick, dpi); \
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vline(buf, (height - hthick) / 2, height, (width - vthick) / 2, vthick, stride); \
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vline((height - hthick) / 2, height, (width - vthick) / 2, vthick); \
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} while (0)
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#define hline_middle_left(thick) _hline_middle_left(thick, thick)
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@ -643,8 +647,8 @@ draw_box_drawings_double_horizontal(uint8_t *buf, int width, int height, int str
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int thick = thickness(LIGHT, dpi);
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int mid = (height - thick * 3) / 2;
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hline(buf, 0, width, mid, thick, stride);
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hline(buf, 0, width, mid + 2 * thick, thick, stride);
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hline(0, width, mid, thick);
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hline(0, width, mid + 2 * thick, thick);
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}
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static void
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@ -653,8 +657,8 @@ draw_box_drawings_double_vertical(uint8_t *buf, int width, int height, int strid
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int thick = thickness(LIGHT, dpi);
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int mid = (width - thick * 3) / 2;
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vline(buf, 0, height, mid, thick, stride);
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vline(buf, 0, height, mid + 2 * thick, thick, stride);
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vline(0, height, mid, thick);
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vline(0, height, mid + 2 * thick, thick);
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}
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static void
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@ -666,8 +670,8 @@ draw_box_drawings_down_single_and_right_double(uint8_t *buf, int width, int heig
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vline_middle_down(LIGHT);
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hline(buf, vmid, width, hmid, thick, stride);
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hline(buf, vmid, width, hmid + 2 * thick, thick, stride);
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hline(vmid, width, hmid, thick);
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hline(vmid, width, hmid + 2 * thick, thick);
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}
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static void
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@ -679,8 +683,8 @@ draw_box_drawings_down_double_and_right_single(uint8_t *buf, int width, int heig
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hline_middle_right(LIGHT);
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vline(buf, hmid, height, vmid, thick, stride);
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vline(buf, hmid, height, vmid + 2 * thick, thick, stride);
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vline(hmid, height, vmid, thick);
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vline(hmid, height, vmid + 2 * thick, thick);
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}
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static void
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@ -690,11 +694,11 @@ draw_box_drawings_double_down_and_right(uint8_t *buf, int width, int height, int
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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vline(buf, hmid, height, vmid, thick, stride);
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vline(buf, hmid + 2 * thick, height, vmid + 2 * thick, thick, stride);
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vline(hmid, height, vmid, thick);
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vline(hmid + 2 * thick, height, vmid + 2 * thick, thick);
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hline(buf, vmid, width, hmid, thick, stride);
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hline(buf, vmid + 2 * thick, width, hmid + 2 * thick, thick, stride);
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hline(vmid, width, hmid, thick);
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hline(vmid + 2 * thick, width, hmid + 2 * thick, thick);
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}
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static void
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@ -706,8 +710,8 @@ draw_box_drawings_down_single_and_left_double(uint8_t *buf, int width, int heigh
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vline_middle_down(LIGHT);
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hline(buf, 0, vmid, hmid, thick, stride);
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hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
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hline(0, vmid, hmid, thick);
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hline(0, vmid, hmid + 2 * thick, thick);
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}
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static void
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@ -719,8 +723,8 @@ draw_box_drawings_down_double_and_left_single(uint8_t *buf, int width, int heigh
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hline_middle_left(LIGHT);
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vline(buf, hmid, height, vmid, thick, stride);
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vline(buf, hmid, height, vmid + 2 * thick, thick, stride);
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vline(hmid, height, vmid, thick);
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vline(hmid, height, vmid + 2 * thick, thick);
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}
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static void
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@ -730,11 +734,11 @@ draw_box_drawings_double_down_and_left(uint8_t *buf, int width, int height, int
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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vline(buf, hmid + 2 * thick, height, vmid, thick, stride);
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vline(buf, hmid, height, vmid + 2 * thick, thick, stride);
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vline(hmid + 2 * thick, height, vmid, thick);
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vline(hmid, height, vmid + 2 * thick, thick);
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hline(buf, 0, vmid + 2 * thick, hmid, thick, stride);
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hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
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hline(0, vmid + 2 * thick, hmid, thick);
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hline(0, vmid, hmid + 2 * thick, thick);
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}
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static void
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@ -746,8 +750,8 @@ draw_box_drawings_up_single_and_right_double(uint8_t *buf, int width, int height
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vline_middle_up(LIGHT);
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hline(buf, vmid, width, hmid, thick, stride);
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hline(buf, vmid, width, hmid + 2 * thick, thick, stride);
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hline(vmid, width, hmid, thick);
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hline(vmid, width, hmid + 2 * thick, thick);
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}
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static void
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@ -759,8 +763,8 @@ draw_box_drawings_up_double_and_right_single(uint8_t *buf, int width, int height
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hline_middle_right(LIGHT);
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vline(buf, 0, hmid, vmid, thick, stride);
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vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
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vline(0, hmid, vmid, thick);
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vline(0, hmid, vmid + 2 * thick, thick);
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}
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static void
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@ -770,11 +774,11 @@ draw_box_drawings_double_up_and_right(uint8_t *buf, int width, int height, int s
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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vline(buf, 0, hmid + 2 * thick, vmid, thick, stride);
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vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
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vline(0, hmid + 2 * thick, vmid, thick);
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vline(0, hmid, vmid + 2 * thick, thick);
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hline(buf, vmid + 2 * thick, width, hmid, thick, stride);
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hline(buf, vmid, width, hmid + 2 * thick, thick, stride);
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hline(vmid + 2 * thick, width, hmid, thick);
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hline(vmid, width, hmid + 2 * thick, thick);
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}
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static void
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@ -786,8 +790,8 @@ draw_box_drawings_up_single_and_left_double(uint8_t *buf, int width, int height,
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vline_middle_up(LIGHT);
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hline(buf, 0, vmid, hmid, thick, stride);
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hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
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hline(0, vmid, hmid, thick);
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hline(0, vmid, hmid + 2 * thick, thick);
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}
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static void
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@ -799,8 +803,8 @@ draw_box_drawings_up_double_and_left_single(uint8_t *buf, int width, int height,
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hline_middle_left(LIGHT);
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vline(buf, 0, hmid, vmid, thick, stride);
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vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
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vline(0, hmid, vmid, thick);
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vline(0, hmid, vmid + 2 * thick, thick);
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}
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static void
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@ -810,11 +814,11 @@ draw_box_drawings_double_up_and_left(uint8_t *buf, int width, int height, int st
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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vline(buf, 0, hmid + 0 * thick + thick, vmid, thick, stride);
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vline(buf, 0, hmid + 2 * thick + thick, vmid + 2 * thick, thick, stride);
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vline(0, hmid + 0 * thick + thick, vmid, thick);
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vline(0, hmid + 2 * thick + thick, vmid + 2 * thick, thick);
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hline(buf, 0, vmid, hmid, thick, stride);
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hline(buf, 0, vmid + 2 * thick, hmid + 2 * thick, thick, stride);
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hline(0, vmid, hmid, thick);
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hline(0, vmid + 2 * thick, hmid + 2 * thick, thick);
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}
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static void
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@ -827,8 +831,8 @@ draw_box_drawings_vertical_single_and_right_double(uint8_t *buf, int width, int
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vline_middle_up(LIGHT);
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vline_middle_down(LIGHT);
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hline(buf, vmid, width, hmid, thick, stride);
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hline(buf, vmid, width, hmid + 2 * thick, thick, stride);
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hline(vmid, width, hmid, thick);
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hline(vmid, width, hmid + 2 * thick, thick);
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}
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static void
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@ -837,10 +841,10 @@ draw_box_drawings_vertical_double_and_right_single(uint8_t *buf, int width, int
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int thick = thickness(LIGHT, dpi);
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int vmid = (width - thick * 3) / 2;
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hline(buf, vmid + 2 * thick, width, (height - thick) / 2, thick, stride);
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hline(vmid + 2 * thick, width, (height - thick) / 2, thick);
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vline(buf, 0, height, vmid, thick, stride);
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vline(buf, 0, height, vmid + 2 * thick, thick, stride);
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vline(0, height, vmid, thick);
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vline(0, height, vmid + 2 * thick, thick);
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}
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static void
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@ -850,12 +854,12 @@ draw_box_drawings_double_vertical_and_right(uint8_t *buf, int width, int height,
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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vline(buf, 0, height, vmid, thick, stride);
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vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
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vline(buf, hmid + 2 * thick, height, vmid + 2 * thick, thick, stride);
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vline(0, height, vmid, thick);
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vline(0, hmid, vmid + 2 * thick, thick);
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vline(hmid + 2 * thick, height, vmid + 2 * thick, thick);
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hline(buf, vmid + 2 * thick, width, hmid, thick, stride);
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hline(buf, vmid + 2 * thick, width, hmid + 2 * thick, thick, stride);
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hline(vmid + 2 * thick, width, hmid, thick);
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hline(vmid + 2 * thick, width, hmid + 2 * thick, thick);
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}
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static void
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@ -868,8 +872,8 @@ draw_box_drawings_vertical_single_and_left_double(uint8_t *buf, int width, int h
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vline_middle_up(LIGHT);
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vline_middle_down(LIGHT);
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hline(buf, 0, vmid, hmid, thick, stride);
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hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
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hline(0, vmid, hmid, thick);
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hline(0, vmid, hmid + 2 * thick, thick);
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}
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static void
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@ -878,10 +882,10 @@ draw_box_drawings_vertical_double_and_left_single(uint8_t *buf, int width, int h
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int thick = thickness(LIGHT, dpi);
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int vmid = (width - thick * 3) / 2;
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hline(buf, 0, vmid, (height - thick) / 2, thick, stride);
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hline(0, vmid, (height - thick) / 2, thick);
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vline(buf, 0, height, vmid, thick, stride);
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vline(buf, 0, height, vmid + 2 * thick, thick, stride);
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vline(0, height, vmid, thick);
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vline(0, height, vmid + 2 * thick, thick);
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}
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static void
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@ -891,12 +895,12 @@ draw_box_drawings_double_vertical_and_left(uint8_t *buf, int width, int height,
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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vline(buf, 0, height, vmid + 2 * thick, thick, stride);
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vline(buf, 0, hmid, vmid, thick, stride);
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vline(buf, hmid + 2 * thick, height, vmid, thick, stride);
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vline(0, height, vmid + 2 * thick, thick);
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vline(0, hmid, vmid, thick);
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vline(hmid + 2 * thick, height, vmid, thick);
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hline(buf, 0, vmid + thick, hmid, thick, stride);
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hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
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hline(0, vmid + thick, hmid, thick);
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hline(0, vmid, hmid + 2 * thick, thick);
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}
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static void
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@ -905,10 +909,10 @@ draw_box_drawings_down_single_and_horizontal_double(uint8_t *buf, int width, int
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int thick = thickness(LIGHT, dpi);
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int hmid = (height - thick * 3) / 2;
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vline(buf, hmid + 2 * thick, height, (width - thick) / 2, thick, stride);
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vline(hmid + 2 * thick, height, (width - thick) / 2, thick);
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hline(buf, 0, width, hmid, thick, stride);
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hline(buf, 0, width, hmid + 2 * thick, thick, stride);
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hline(0, width, hmid, thick);
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hline(0, width, hmid + 2 * thick, thick);
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}
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static void
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@ -921,8 +925,8 @@ draw_box_drawings_down_double_and_horizontal_single(uint8_t *buf, int width, int
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hline_middle_left(LIGHT);
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hline_middle_right(LIGHT);
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vline(buf, hmid, height, vmid, thick, stride);
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vline(buf, hmid, height, vmid + 2 * thick, thick, stride);
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vline(hmid, height, vmid, thick);
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vline(hmid, height, vmid + 2 * thick, thick);
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}
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static void
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@ -932,12 +936,12 @@ draw_box_drawings_double_down_and_horizontal(uint8_t *buf, int width, int height
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int hmid = (height - thick * 3) / 2;
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int vmid = (width - thick * 3) / 2;
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hline(buf, 0, width, hmid, thick, stride);
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hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
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hline(buf, vmid + 2 * thick, width, hmid + 2 * thick, thick, stride);
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hline(0, width, hmid, thick);
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hline(0, vmid, hmid + 2 * thick, thick);
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hline(vmid + 2 * thick, width, hmid + 2 * thick, thick);
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vline(buf, hmid + 2 * thick, height, vmid, thick, stride);
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vline(buf, hmid + 2 * thick, height, vmid + 2 * thick, thick, stride);
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vline(hmid + 2 * thick, height, vmid, thick);
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vline(hmid + 2 * thick, height, vmid + 2 * thick, thick);
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}
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static void
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@ -947,10 +951,10 @@ draw_box_drawings_up_single_and_horizontal_double(uint8_t *buf, int width, int h
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int hmid = (height - thick * 3) / 2;
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||||
int vmid = (width - thick) / 2;
|
||||
|
||||
vline(buf, 0, hmid, vmid, thick, stride);
|
||||
vline(0, hmid, vmid, thick);
|
||||
|
||||
hline(buf, 0, width, hmid, thick, stride);
|
||||
hline(buf, 0, width, hmid + 2 * thick, thick, stride);
|
||||
hline(0, width, hmid, thick);
|
||||
hline(0, width, hmid + 2 * thick, thick);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -963,8 +967,8 @@ draw_box_drawings_up_double_and_horizontal_single(uint8_t *buf, int width, int h
|
|||
hline_middle_left(LIGHT);
|
||||
hline_middle_right(LIGHT);
|
||||
|
||||
vline(buf, 0, hmid, vmid, thick, stride);
|
||||
vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
|
||||
vline(0, hmid, vmid, thick);
|
||||
vline(0, hmid, vmid + 2 * thick, thick);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -974,12 +978,12 @@ draw_box_drawings_double_up_and_horizontal(uint8_t *buf, int width, int height,
|
|||
int hmid = (height - thick * 3) / 2;
|
||||
int vmid = (width - thick * 3) / 2;
|
||||
|
||||
vline(buf, 0, hmid, vmid, thick, stride);
|
||||
vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
|
||||
vline(0, hmid, vmid, thick);
|
||||
vline(0, hmid, vmid + 2 * thick, thick);
|
||||
|
||||
hline(buf, 0, vmid + thick, hmid, thick, stride);
|
||||
hline(buf, vmid + 2 * thick, width, hmid, thick, stride);
|
||||
hline(buf, 0, width, hmid + 2 * thick, thick, stride);
|
||||
hline(0, vmid + thick, hmid, thick);
|
||||
hline(vmid + 2 * thick, width, hmid, thick);
|
||||
hline(0, width, hmid + 2 * thick, thick);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -991,8 +995,8 @@ draw_box_drawings_vertical_single_and_horizontal_double(uint8_t *buf, int width,
|
|||
vline_middle_up(LIGHT);
|
||||
vline_middle_down(LIGHT);
|
||||
|
||||
hline(buf, 0, width, hmid, thick, stride);
|
||||
hline(buf, 0, width, hmid + 2 * thick, thick, stride);
|
||||
hline(0, width, hmid, thick);
|
||||
hline(0, width, hmid + 2 * thick, thick);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1004,8 +1008,8 @@ draw_box_drawings_vertical_double_and_horizontal_single(uint8_t *buf, int width,
|
|||
hline_middle_left(LIGHT);
|
||||
hline_middle_right(LIGHT);
|
||||
|
||||
vline(buf, 0, height, vmid, thick, stride);
|
||||
vline(buf, 0, height, vmid + 2 * thick, thick, stride);
|
||||
vline(0, height, vmid, thick);
|
||||
vline(0, height, vmid + 2 * thick, thick);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1015,15 +1019,15 @@ draw_box_drawings_double_vertical_and_horizontal(uint8_t *buf, int width, int he
|
|||
int hmid = (height - thick * 3) / 2;
|
||||
int vmid = (width - thick * 3) / 2;
|
||||
|
||||
hline(buf, 0, vmid, hmid, thick, stride);
|
||||
hline(buf, vmid + 2 * thick, width, hmid, thick, stride);
|
||||
hline(buf, 0, vmid, hmid + 2 * thick, thick, stride);
|
||||
hline(buf, vmid + 2 * thick, width, hmid + 2 * thick, thick, stride);
|
||||
hline(0, vmid, hmid, thick);
|
||||
hline(vmid + 2 * thick, width, hmid, thick);
|
||||
hline(0, vmid, hmid + 2 * thick, thick);
|
||||
hline(vmid + 2 * thick, width, hmid + 2 * thick, thick);
|
||||
|
||||
vline(buf, 0, hmid, vmid, thick, stride);
|
||||
vline(buf, 0, hmid, vmid + 2 * thick, thick, stride);
|
||||
vline(buf, hmid + 2 * thick, height, vmid, thick, stride);
|
||||
vline(buf, hmid + 2 * thick, height, vmid + 2 * thick, thick, stride);
|
||||
vline(0, hmid, vmid, thick);
|
||||
vline(0, hmid, vmid + 2 * thick, thick);
|
||||
vline(hmid + 2 * thick, height, vmid, thick);
|
||||
vline(hmid + 2 * thick, height, vmid + 2 * thick, thick);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue