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Enforce DataBar height restrictions

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This commit is contained in:
Robin Stuart 2016-10-14 18:56:49 +01:00
parent d6a1008ae7
commit dd80371b17
3 changed files with 35 additions and 0 deletions
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22
backend/common.c
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@ -272,3 +272,25 @@ int utf8toutf16(struct zint_symbol *symbol, const unsigned char source[], int va
return error_number;
}
void set_minimum_height(struct zint_symbol *symbol, int min_height) {
/* Enforce minimum permissable height of rows */
int fixed_height = 0;
int zero_count = 0;
int i;
for (i = 0; i < symbol->rows; i++) {
fixed_height += symbol->row_height[i];
if (symbol->row_height[i] == 0) {
zero_count++;
}
}
if (((symbol->height - fixed_height) / zero_count) < min_height) {
for (i = 0; i < symbol->rows; i++) {
if (symbol->row_height[i] == 0) {
symbol->row_height[i] = min_height;
}
}
}
}