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Performance improvement

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Simplifies the QR code and improves performance
Adds a new --dump option to output binary to stdout
With thanks to Ismael Luceno
This commit is contained in:
hooper
2010-09-12 14:52:44 +01:00
parent 2300a76a07
commit 93c678e1cf
4 changed files with 103 additions and 293 deletions
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8
backend/common.c
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@@ -127,7 +127,7 @@ void lookup(char set_string[], char *table[], char data, char dest[])
int module_is_set(struct zint_symbol *symbol, int y_coord, int x_coord)
{
return (symbol->encoded_data[y_coord][x_coord / 7] & (1 << (x_coord % 7))) ? 1 : 0;
return (symbol->encoded_data[y_coord][x_coord / 7] >> (x_coord % 7)) & 1;
#if 0
switch(x_sub) {
case 0: if((symbol->encoded_data[y_coord][x_char] & 0x01) != 0) { result = 1; } break;
@@ -145,8 +145,7 @@ int module_is_set(struct zint_symbol *symbol, int y_coord, int x_coord)
void set_module(struct zint_symbol *symbol, int y_coord, int x_coord)
{
if(module_is_set(symbol, y_coord, x_coord)) { return; }
symbol->encoded_data[y_coord][x_coord / 7] += 1 << (x_coord % 7);
symbol->encoded_data[y_coord][x_coord / 7] |= 1 << (x_coord % 7);
#if 0
int x_char, x_sub;
@@ -168,8 +167,7 @@ void set_module(struct zint_symbol *symbol, int y_coord, int x_coord)
void unset_module(struct zint_symbol *symbol, int y_coord, int x_coord)
{
if(!(module_is_set(symbol, y_coord, x_coord))) { return; }
symbol->encoded_data[y_coord][x_coord / 7] -= 1 << (x_coord % 7);
symbol->encoded_data[y_coord][x_coord / 7] &= ~(1 << (x_coord % 7));
#if 0
int x_char, x_sub;