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Tidy up loose ends

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hooper114 2009-10-31 22:42:10 +00:00
parent 56e75788c2
commit 6beac47e8d
4 changed files with 82 additions and 18 deletions
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54
backend/gridmtx.c
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@ -904,10 +904,11 @@ void place_layer_id(char* grid, int size, int layers, int modules, int ecc_level
int grid_matrix(struct zint_symbol *symbol, unsigned char source[], int length)
{
int size, modules, dark, error_number;
int layers, ecc_level, x, y, i, j, glyph;
int auto_layers, min_layers, layers, auto_ecc_level, min_ecc_level, ecc_level;
int x, y, i, j, glyph;
char binary[9300];
int data_cw;
int word[1460];
int word[1460], data_max;
#ifndef _MSC_VER
int utfdata[length + 1];
@ -962,14 +963,53 @@ int grid_matrix(struct zint_symbol *symbol, unsigned char source[], int length)
/* Determine the size of the symbol */
data_cw = strlen(binary) / 7;
layers = 13;
auto_layers = 13;
for(i = 12; i > 0; i--) {
if(gm_recommend_cw[(i - 1)] >= data_cw) { layers = i; }
if(gm_recommend_cw[(i - 1)] >= data_cw) { auto_layers = i; }
}
min_layers = 13;
for(i = 12; i > 0; i--) {
if(gm_max_cw[(i - 1)] >= data_cw) { min_layers = i; }
}
ecc_level = 3;
if(layers == 1) { ecc_level = 5; }
if((layers == 2) || (layers == 3)) { ecc_level = 4; }
layers = auto_layers;
if((symbol->option_2 >= 1) && (symbol->option_2 <= 13)) {
if(symbol->option_2 > min_layers) {
layers = symbol->option_2;
} else {
layers = min_layers;
}
}
auto_ecc_level = 3;
if(layers == 1) { auto_ecc_level = 5; }
if((layers == 2) || (layers == 3)) { auto_ecc_level = 4; }
min_ecc_level = 1;
if(layers == 1) { min_ecc_level = 4; }
if((layers == 2) || (layers == 3)) { min_ecc_level = 2; }
ecc_level = auto_ecc_level;
if((symbol->option_1 >= 1) && (symbol->option_1 <= 5)) {
if(symbol->option_1 > min_ecc_level) {
ecc_level = symbol->option_1;
} else {
ecc_level = min_ecc_level;
}
}
data_max = 1313;
switch(ecc_level) {
case 2: data_max = 1167; break;
case 3: data_max = 1021; break;
case 4: data_max = 875; break;
case 5: data_max = 729; break;
}
if(data_cw > data_max) {
strcpy(symbol->errtxt, "Input data too long");
return ERROR_TOO_LONG;
}
gm_add_ecc(binary, data_cw, layers, ecc_level, word);
size = 6 + (layers * 12);