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Also adjust in y direction for odd height

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Kovid Goyal 2025-05-10 09:00:57 +05:30
parent 7856046382
commit 22fd548903
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GPG key ID: 06BC317B515ACE7C
1 changed files with 6 additions and 4 deletions
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10
kitty/decorations.c
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@ -716,7 +716,7 @@ typedef double(*curve_func)(const void *, double t);
static void
draw_parametrized_curve_with_derivative(
Canvas *self, void *curve_data, uint level, curve_func xfunc, curve_func yfunc, curve_func x_prime, curve_func y_prime,
int x_offset, double thickness_fudge
int x_offset, int yoffset, double thickness_fudge
) {
const double th = thickness_as_float(self, level, true);
double step = 1.0 / self->height;
@ -730,7 +730,7 @@ draw_parametrized_curve_with_derivative(
for (double dx = -th; dx <= th; dx++) {
double px = x + dx, py = y + dy;
double dist = distance(x, y, px, py);
int row = (int)py, col = (int)px + x_offset;
int row = (int)py + yoffset, col = (int)px + x_offset;
if (dist >= distance_limit || row >= (int)self->height || row < 0 || col >= (int)self->width || col < 0) continue;
const int offset = row * self->width + col;
double alpha = 1.0 - (dist / half_thickness);
@ -1308,8 +1308,10 @@ static void
rounded_corner(Canvas *self, uint level, Corner which) {
Rectircle r = rectcircle(self, which);
uint cell_width_is_odd = (self->width / self->supersample_factor) & 1;
int x_offset = -(cell_width_is_odd & 1); // line up with box drawing lines when cell_width is odd
draw_parametrized_curve_with_derivative(self, &r, level, rectircle_x, rectircle_y, rectircle_x_prime, rectircle_y_prime, x_offset, 0.1);
uint cell_height_is_odd = (self->height / self->supersample_factor) & 1;
// adjust for odd cell dimensions to line up with box drawing lines
int x_offset = -(cell_width_is_odd & 1), y_offset = -(cell_height_is_odd & 1);
draw_parametrized_curve_with_derivative(self, &r, level, rectircle_x, rectircle_y, rectircle_x_prime, rectircle_y_prime, x_offset, y_offset, 0.1);
}
static void