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#ifdef __cplusplus
extern "C" {
#endif
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#ifdef __cplusplus
}
#endif
#include <imext.h>
#include <imperl.h>
#include <qrencode.h>
#ifdef UNDER_LIBQRENCODE_1_0_2
QRcode *encode(const char *text,
int version,
QRecLevel level,
QRencodeMode mode,
int casesensitive)
{
QRcode *code;
if(casesensitive) {
code = QRcode_encodeStringCase(text, version, level);
} else {
code = QRcode_encodeString(text, version, level, mode);
}
return code;
}
#else
QRcode *encode(const char *text,
int version,
QRecLevel level,
QRencodeMode mode,
int casesensitive)
{
QRcode *code = QRcode_encodeString(text, version, level, mode, casesensitive);
return code;
}
QRcode *encode_8bit(const char *text,
int version,
QRecLevel level)
{
QRcode *code = QRcode_encodeString8bit(text, version, level);
return code;
}
#endif
void generate(i_img *im,
QRcode *qrcode,
int size,
int margin,
i_color *lightcolor,
i_color *darkcolor)
{
unsigned char *p, *q;
int x, y;
int base_y;
/* top margin */
base_y = 0;
for(y=base_y; y<base_y+margin; y++) {
for(x=0; x<qrcode->width + margin * 2; x++) {
i_box_filled(im,
x*size, y*size, x*size + size, y*size + size,
lightcolor);
}
}
/* data */
p = qrcode->data;
q = p;
base_y = margin;
for(y=base_y; y<base_y+qrcode->width; y++) {
for (x=0; x<margin; x++) {
i_box_filled(im,
x*size, y*size, x*size + size, y*size + size,
lightcolor);
}
for(x=margin; x<margin + qrcode->width; x++) {
i_box_filled(im,
x*size, y*size, x*size + size, y*size + size,
(*q & 1) ? darkcolor : lightcolor);
q++;
}
for (x=margin + qrcode->width; x< qrcode->width + margin * 2; x++) {
i_box_filled(im,
x*size, y*size, x*size + size, y*size + size,
lightcolor);
}
}
/* bottom margin */
base_y = qrcode->width + margin;
for(y=base_y; y<base_y + margin; y++) {
for(x=0; x<qrcode->width + margin * 2; x++) {
i_box_filled(im, x*size, y*size, x*size + size, y*size + size - 1, lightcolor);
}
}
}
DEFINE_IMAGER_CALLBACKS;
i_img *_plot(char* text, HV *hv)
{
i_img* im;
QRcode *qrcode;
SV** svp;
STRLEN len;
char* ptr;
int size = 3;
int margin = 4;
int version = 0;
int casesensitive = 0;
QRencodeMode mode = QR_MODE_8;
QRecLevel level = QR_ECLEVEL_L;
i_color lightcolor, darkcolor;
if ((svp = hv_fetch(hv, "size", 4, 0)) && *svp && SvOK(*svp)) {
ptr = SvPV(*svp, len);
if (ptr >= 0)
size = atoi(ptr);
}
if ((svp = hv_fetch(hv, "margin", 6, 0)) && *svp && SvOK(*svp)) {
ptr = SvPV(*svp, len);
if (ptr >= 0)
margin = atoi(ptr);
}
if ((svp = hv_fetch(hv, "level", 5, 0)) && *svp && SvOK(*svp)) {
ptr = SvPV(*svp, len);
switch (*ptr) {
case 'l':
case 'L':
level = QR_ECLEVEL_L;
break;
case 'm':
case 'M':
level = QR_ECLEVEL_M;
break;
case 'q':
case 'Q':
level = QR_ECLEVEL_Q;
break;
case 'h':
case 'H':
level = QR_ECLEVEL_H;
break;
default:
level = QR_ECLEVEL_L;
}
}
if ((svp = hv_fetch(hv, "version", 7, 0)) && *svp && SvOK(*svp)) {
ptr = SvPV(*svp, len);
if (ptr >= 0)
version = atoi(ptr);
}
if ((svp = hv_fetch(hv, "mode", 4, 0)) && *svp && SvOK(*svp)) {
ptr = SvPV(*svp, len);
if (strcmp(ptr, "numerical") == 0) {
mode = QR_MODE_NUM;
}
else if (strcmp(ptr, "alpha-numerical") == 0) {
mode = QR_MODE_AN;
}
else if (strcmp(ptr, "8-bit") == 0) {
mode = QR_MODE_8;
}
else if (strcmp(ptr, "kanji") == 0) {
mode = QR_MODE_KANJI;
}
else {
croak("Invalid mode: XS error");
}
}
if ((svp = hv_fetch(hv, "casesensitive", 13, 0)) && *svp) {
casesensitive = SvTRUE(*svp);
}
if ((svp = hv_fetch(hv, "lightcolor", 10, 0)) && *svp
&& SvOK(*svp) && sv_derived_from(*svp, "Imager::Color")) {
lightcolor = *INT2PTR(i_color *, SvIV((SV *)SvRV(*svp)));
}
else { /* white */
lightcolor.rgba.r = 255;
lightcolor.rgba.g = 255;
lightcolor.rgba.b = 255;
lightcolor.rgba.a = 255;
}
if ((svp = hv_fetch(hv, "darkcolor", 9, 0)) && *svp && SvOK(*svp)
&& SvOK(*svp) && sv_derived_from(*svp, "Imager::Color")) {
darkcolor = *INT2PTR(i_color *, SvIV((SV *)SvRV(*svp)));
}
else { /* black */
darkcolor.rgba.r = 0;
darkcolor.rgba.g = 0;
darkcolor.rgba.b = 0;
darkcolor.rgba.a = 255;
}
#ifdef UNDER_LIBQRENCODE_1_0_2
qrcode = encode(text, version, level, mode, casesensitive);
#else
if (mode == QR_MODE_8)
qrcode = encode_8bit(text, version, level);
else
qrcode = encode(text, version, level, mode, casesensitive);
#endif
if (qrcode == NULL)
croak("Failed to encode the input data: XS error");
im = i_img_16_new(
(qrcode->width + margin * 2) * size,
(qrcode->width + margin * 2) * size,
4
);
generate(im, qrcode, size, margin, &lightcolor, &darkcolor);
QRcode_free(qrcode);
return im;
}
MODULE = Imager::QRCode PACKAGE = Imager::QRCode
PROTOTYPES: ENABLE
Imager::ImgRaw
_plot(text, hv)
char *text
HV *hv
BOOT:
PERL_INITIALIZE_IMAGER_CALLBACKS;
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