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Automatically generate Aztec map

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Fixes #2
This commit is contained in:
Robin Stuart
2016-01-10 17:34:33 +00:00
parent 27c7c9447c
commit 8569731337
2 changed files with 156 additions and 153 deletions
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155
backend/aztec.c
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@@ -664,6 +664,161 @@ int aztec_text_process(unsigned char source[], const unsigned int src_len, char
return 0;
}
int avoidReferenceGrid(int input) {
int output;
output = input;
if (output > 10) {
output++;
}
if (output > 26) {
output++;
}
if (output > 42) {
output++;
}
if (output > 58) {
output++;
}
if (output > 74) {
output++;
}
if (output > 90) {
output++;
}
if (output > 106) {
output++;
}
if (output > 122) {
output++;
}
if (output > 138) {
output++;
}
return output;
}
void popilate_map()
{
/* Calculate the position of the bits in the grid */
int layer, start, length, n, i;
int x, y;
for (x = 0; x < 151; x++) {
for (y = 0; y < 151; y++) {
AztecMap[(x * 151) + y] = 0;
}
}
for (layer = 1; layer < 33; layer++) {
start = (112 * (layer - 1)) + (16 * (layer - 1) * (layer - 1)) + 2;
length = 28 + ((layer - 1) * 4) + (layer * 4);
/* Top */
i = 0;
x = 64 - ((layer - 1) * 2);
y = 63 - ((layer - 1) * 2);
for (n = start; n < (start + length); n += 2) {
AztecMap[(avoidReferenceGrid(x + i) * 151) + avoidReferenceGrid(y)] = n;
AztecMap[(avoidReferenceGrid(x + i) * 151) + avoidReferenceGrid(y - 1)] = n + 1;
i++;
}
/* Right */
i = 0;
x = 78 + ((layer - 1) * 2);
y = 64 - ((layer - 1) * 2);
for (n = start + length; n < (start + (length * 2)); n += 2) {
AztecMap[(avoidReferenceGrid(x) * 151) + avoidReferenceGrid(y + i)] = n;
AztecMap[(avoidReferenceGrid(x + 1) * 151) + avoidReferenceGrid(y + i)] = n + 1;
i++;
}
/* Bottom */
i = 0;
x = 77 + ((layer - 1) * 2);
y = 78 + ((layer - 1) * 2);
for (n = start + (length * 2); n < (start + (length * 3)); n += 2) {
AztecMap[(avoidReferenceGrid(x - i) * 151) + avoidReferenceGrid(y)] = n;
AztecMap[(avoidReferenceGrid(x - i) * 151) + avoidReferenceGrid(y + 1)] = n + 1;
i++;
}
/* Left */
i = 0;
x = 63 - ((layer - 1) * 2);
y = 77 + ((layer - 1) * 2);
for (n = start + (length * 3); n < (start + (length * 4)); n += 2) {
AztecMap[(avoidReferenceGrid(x) * 151) + avoidReferenceGrid(y - i)] = n;
AztecMap[(avoidReferenceGrid(x - 1) * 151) + avoidReferenceGrid(y - i)] = n + 1;
i++;
}
}
/* Central finder pattern */
for (y = 69; y <= 81; y++) {
for (x = 69; x <= 81; x++) {
AztecMap[(x * 151) + y] = 1;
}
}
for (y = 70; y <= 80; y++) {
for (x = 70; x <= 80; x++) {
AztecMap[(x * 151) + y] = 0;
}
}
for (y = 71; y <= 79; y++) {
for (x = 71; x <= 79; x++) {
AztecMap[(x * 151) + y] = 1;
}
}
for (y = 72; y <= 78; y++) {
for (x = 72; x <= 78; x++) {
AztecMap[(x * 151) + y] = 0;
}
}
for (y = 73; y <= 77; y++) {
for (x = 73; x <= 77; x++) {
AztecMap[(x * 151) + y] = 1;
}
}
for (y = 74; y <= 76; y++) {
for (x = 74; x <= 76; x++) {
AztecMap[(x * 151) + y] = 0;
}
}
/* Guide bars */
for (y = 11; y < 151; y += 16) {
for (x = 1; x < 151; x += 2) {
AztecMap[(x * 151) + y] = 1;
AztecMap[(y * 151) + x] = 1;
}
}
/* Descriptor */
for (i = 0; i < 10; i++) { /* Top */
AztecMap[(avoidReferenceGrid(66 + i) * 151) + avoidReferenceGrid(64)] = 20000 + i;
}
for (i = 0; i < 10; i++) { /* Right */
AztecMap[(avoidReferenceGrid(77) * 151) + avoidReferenceGrid(66 + i)] = 20010 + i;
}
for (i = 0; i < 10; i++) { /* Bottom */
AztecMap[(avoidReferenceGrid(75 - i) * 151) + avoidReferenceGrid(77)] = 20020 + i;
}
for (i = 0; i < 10; i++) { /* Left */
AztecMap[(avoidReferenceGrid(64) * 151) + avoidReferenceGrid(75 - i)] = 20030 + i;
}
/* Orientation */
AztecMap[(avoidReferenceGrid(64) * 151) + avoidReferenceGrid(64)] = 1;
AztecMap[(avoidReferenceGrid(65) * 151) + avoidReferenceGrid(64)] = 1;
AztecMap[(avoidReferenceGrid(64) * 151) + avoidReferenceGrid(65)] = 1;
AztecMap[(avoidReferenceGrid(77) * 151) + avoidReferenceGrid(64)] = 1;
AztecMap[(avoidReferenceGrid(77) * 151) + avoidReferenceGrid(65)] = 1;
AztecMap[(avoidReferenceGrid(77) * 151) + avoidReferenceGrid(76)] = 1;
}
int aztec(struct zint_symbol *symbol, unsigned char source[], int length)
{
int x, y, i, j, data_blocks, ecc_blocks, layers, total_bits;