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flood_fill_seed: Unify "left" and "x" vars

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This reduces the memory usage a bit.
This commit is contained in:
YAMAMOTO Takashi 2021-05-11 13:03:10 +09:00
parent aad3fc63b6
commit 40def012e7
2 changed files with 4 additions and 5 deletions
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8
lib/identify.c
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@ -170,14 +170,14 @@ static void flood_fill_seed(struct quirc *q,
/* Set up the first context */ /* Set up the first context */
next_vars = stack; next_vars = stack;
next_vars->x = x0; next_vars->left = x0;
next_vars->y = y0; next_vars->y = y0;
call: call:
vars = next_vars; vars = next_vars;
/* Fill the extent */ /* Fill the extent */
flood_fill_line(q, vars->x, vars->y, from, to, &vars->left, flood_fill_line(q, vars->left, vars->y, from, to, &vars->left,
&vars->right); &vars->right);
if (func) if (func)
@ -199,7 +199,7 @@ call:
/* Set up the next context */ /* Set up the next context */
next_vars = vars + 1; next_vars = vars + 1;
next_vars->x = i; next_vars->left = i;
next_vars->y = vars->y - 1; next_vars->y = vars->y - 1;
goto call; goto call;
return_from_call1: ; return_from_call1: ;
@ -217,7 +217,7 @@ return_from_call1: ;
/* Set up the next context */ /* Set up the next context */
next_vars = vars + 1; next_vars = vars + 1;
next_vars->x = i; next_vars->left = i;
next_vars->y = vars->y + 1; next_vars->y = vars->y + 1;
goto call; goto call;
return_from_call2: ; return_from_call2: ;

1
lib/quirc_internal.h
View file

@ -78,7 +78,6 @@ struct quirc_grid {
}; };
struct quirc_flood_fill_vars { struct quirc_flood_fill_vars {
int x;
int y; int y;
int right; int right;
int left; int left;