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fix trace becoming broken line

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This commit is contained in:
TT 2017-01-17 02:19:10 +09:00
parent cb50a0e6c3
commit 75ea6308ed
2 changed files with 11 additions and 7 deletions
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15
plot.c
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@ -806,7 +806,7 @@ cell_drawline(int w, int h, int x0, int y0, int x1, int y1, int c)
}
int
search_index(int x, int y, uint32_t index[101], int *i0, int *i1)
search_index_range(int x, int y, uint32_t index[101], int *i0, int *i1)
{
int i, j;
int head = 0;
@ -843,7 +843,7 @@ search_index(int x, int y, uint32_t index[101], int *i0, int *i1)
}
int
search_index_x(int x, uint32_t index[101], int *i0, int *i1)
search_index_range_x(int x, uint32_t index[101], int *i0, int *i1)
{
int i, j;
int head = 0;
@ -852,12 +852,13 @@ search_index_x(int x, uint32_t index[101], int *i0, int *i1)
i = 0;
while (head < tail) {
i = (head + tail) / 2;
if (x == CELL_X0(index[i]))
break;
if (x < CELL_X0(index[i]))
tail = i+1;
else if (x > CELL_X0(index[i]))
head = i;
else
break;
head = i;
}
if (x != CELL_X0(index[i]))
@ -1106,9 +1107,11 @@ draw_cell(int m, int n)
if (trace[t].type == TRC_SMITH || trace[t].type == TRC_POLAR)
continue;
if (search_index_x(x0, trace_index[t], &i0, &i1)) {
if (search_index_range_x(x0, trace_index[t], &i0, &i1)) {
if (i0 > 0)
i0--;
if (i1 < 101-1)
i1++;
for (i = i0; i < i1; i++) {
int x1 = CELL_X(trace_index[t][i]);
int x2 = CELL_X(trace_index[t][i+1]);