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dmtx.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 / dmtx |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2007 Mikko Koppanen |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Mikko Kopppanen <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_dmtx.h"
/* Handlers */
static zend_object_handlers php_dmtx_object_handlers;
static zend_object_handlers php_dmtx_read_object_handlers;
static zend_object_handlers php_dmtx_write_object_handlers;
/* Class entries */
zend_class_entry *php_dmtx_sc_entry;
zend_class_entry *php_dmtx_read_sc_entry;
zend_class_entry *php_dmtx_write_sc_entry;
zend_class_entry *php_dmtx_exception_class_entry;
#define PHP_DMTX_MATRIX 1
#define PHP_DMTX_MOSAIC 2
#define X_RESOLUTION 72
#define Y_RESOLUTION 72
#define PHP_DMTX_THROW_IMAGE_EXCEPTION(magick_wand, alternative_message) \
{ \
ExceptionType severity; \
char *message = MagickGetException(magick_wand, &severity); \
MagickClearException(magick_wand); \
if (message != NULL && strlen(message)) { \
zend_throw_exception(php_dmtx_exception_class_entry, message, 1 TSRMLS_CC); \
message = (char *)MagickRelinquishMemory(message); \
message = (char *)NULL; \
return; \
} else { \
zend_throw_exception(php_dmtx_exception_class_entry, alternative_message, 1 TSRMLS_CC); \
return; \
} \
} \
#define PHP_DMTX_THROW_GENERIC_EXCEPTION(message) \
zend_throw_exception(php_dmtx_exception_class_entry, message, 1 TSRMLS_CC); \
return; \
#define PHP_DMTX_REGISTER_CONST_LONG(const_name, value) \
zend_declare_class_constant_long(php_dmtx_sc_entry, const_name, sizeof(const_name)-1, (long)value TSRMLS_CC); \
#define PHP_DMTX_THROW_RW_ERROR_EXCEPTION(filename, code) \
switch(code) { \
case PHP_DMTX_NO_FILENAME_ERROR: \
zend_throw_exception(php_dmtx_exception_class_entry, "No filename specified", 1 TSRMLS_CC); \
return; \
break; \
case PHP_DMTX_ALLOW_URL_FOPEN_ERROR: \
zend_throw_exception(php_dmtx_exception_class_entry, "Tried to open from an url but allow_url_fopen is off", 1 TSRMLS_CC); \
return; \
break; \
case PHP_DMTX_UNABLE_TO_READ_FILENAME_ERROR: \
zend_throw_exception(php_dmtx_exception_class_entry, "Unknown error while reading the filename", 1 TSRMLS_CC); \
return; \
break; \
case PHP_DMTX_FILENAME_TOO_LONG_ERROR: \
zend_throw_exception(php_dmtx_exception_class_entry, "Filename length exceeds the maximum allowed size", 1 TSRMLS_CC); \
return; \
break; \
case PHP_DMTX_SAFE_MODE_ERROR: \
zend_throw_exception_ex(php_dmtx_exception_class_entry, 1 TSRMLS_CC, "Safe mode restriction in effect. User is not allowed to access file(%s)", filename); \
return; \
break; \
case PHP_DMTX_OPEN_BASEDIR_ERROR: \
zend_throw_exception_ex(php_dmtx_exception_class_entry, 1 TSRMLS_CC, "Open basedir restriction in effect. File(%s) is not within allowed path(s)", filename); \
return; \
break; \
} \
ZEND_BEGIN_ARG_INFO_EX(dmtxread_empty_args, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_construct_args, 0, 0, 0)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_loadfile_args, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_loadstring_args, 0, 0, 1)
ZEND_ARG_INFO(0, image_string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_settimeout_args, 0, 0, 1)
ZEND_ARG_INFO(0, timeout)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_setshrink_args, 0, 0, 1)
ZEND_ARG_INFO(0, shrink)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_setsymbolshape_args, 0, 0, 1)
ZEND_ARG_INFO(0, shape)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_setlimit_args, 0, 0, 1)
ZEND_ARG_INFO(0, start)
ZEND_ARG_INFO(0, limit)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_setscheme_args, 0, 0, 1)
ZEND_ARG_INFO(0, scheme)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_getinfo_args, 0, 0, 0)
ZEND_ARG_INFO(0, scan_gap)
ZEND_ARG_INFO(0, corrections)
ZEND_ARG_INFO(0, type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxread_setscanregion_args, 0, 0, 4)
ZEND_ARG_INFO(0, x_min)
ZEND_ARG_INFO(0, x_max)
ZEND_ARG_INFO(0, y_min)
ZEND_ARG_INFO(0, y_max)
ZEND_END_ARG_INFO()
static function_entry php_dmtx_read_class_methods[] =
{
PHP_ME(dmtxread, __construct, dmtxread_construct_args, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
PHP_ME(dmtxread, loadfile, dmtxread_loadfile_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, loadstring, dmtxread_loadstring_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, settimeout, dmtxread_settimeout_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, setlimit, dmtxread_setlimit_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, setsymbolshape, dmtxread_setsymbolshape_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, setshrink, dmtxread_setshrink_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, setscanregion, dmtxread_setscanregion_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, setscheme, dmtxread_setscheme_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, getinfo, dmtxread_getinfo_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, gettimeout, dmtxread_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, getlimit, dmtxread_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, getsymbolshape, dmtxread_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, getshrink, dmtxread_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, getscanregion, dmtxread_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, getscheme, dmtxread_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxread, unsetscanregion, dmtxread_empty_args, ZEND_ACC_PUBLIC)
{ NULL, NULL, NULL }
};
ZEND_BEGIN_ARG_INFO_EX(dmtxwrite_empty_args, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxwrite_construct_args, 0, 0, 0)
ZEND_ARG_INFO(0, message)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxwrite_setmessage_args, 0, 0, 1)
ZEND_ARG_INFO(0, message)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxwrite_setscheme_args, 0, 0, 1)
ZEND_ARG_INFO(0, scheme)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(dmtxwrite_save_args, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, symbol)
ZEND_ARG_INFO(0, type)
ZEND_END_ARG_INFO()
static function_entry php_dmtx_write_class_methods[] =
{
PHP_ME(dmtxwrite, __construct, dmtxwrite_construct_args, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
PHP_ME(dmtxwrite, setmessage, dmtxwrite_setmessage_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxwrite, setscheme, dmtxwrite_setscheme_args, ZEND_ACC_PUBLIC) // added
PHP_ME(dmtxwrite, getscheme, dmtxwrite_empty_args, ZEND_ACC_PUBLIC)
PHP_ME(dmtxwrite, save, dmtxwrite_save_args, ZEND_ACC_PUBLIC)
{ NULL, NULL, NULL }
};
static function_entry php_dmtx_class_methods[] =
{
{ NULL, NULL, NULL }
};
/* Create DmtxImage from MagickWand */
DmtxImage *php_create_dmtx_image_from_wand(MagickWand *magick_wand TSRMLS_DC)
{
long width, height;
unsigned char *pixels;
/* Make sure that image is RGB */
MagickSetImageColorspace(magick_wand, RGBColorspace);
width = MagickGetImageWidth(magick_wand);
height = MagickGetImageHeight(magick_wand);
pixels = emalloc((3 * width * height * sizeof(unsigned char)));
if (!MagickExportImagePixels(magick_wand, 0, 0, width, height, "RGB", CharPixel, pixels)) {
efree(pixels);
return NULL;
}
return dmtxImageCreate(pixels, width, height, DmtxPack24bppRGB);
}
/* {{{ proto void dmtxRead::__construct([string filename])
Constructs a new dmtxRead object */
PHP_METHOD(dmtxread, __construct)
{
php_dmtx_read_object *intern;
char *filename = NULL;
int filename_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!", &filename, &filename_len) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->options.scheme = PhpDmtxSchemeBase256; //added
if (filename && filename_len > 0) {
MagickSetResolution(intern->magick_wand, X_RESOLUTION, Y_RESOLUTION);
if (MagickReadImage(intern->magick_wand, filename) == MagickFalse) {
PHP_DMTX_THROW_IMAGE_EXCEPTION(intern->magick_wand, "Unable to read the image");
}
}
return;
}
/* }}} */
/* {{{ proto bool dmtxRead::loadFile(string filename)
Loads a file into the object */
PHP_METHOD(dmtxread, loadfile)
{
php_dmtx_read_object *intern;
char *filename;
int filename_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
MagickSetResolution(intern->magick_wand, X_RESOLUTION, Y_RESOLUTION);
if (MagickReadImage(intern->magick_wand, filename) == MagickFalse) {
PHP_DMTX_THROW_IMAGE_EXCEPTION(intern->magick_wand, "Unable to read the image");
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::loadString(string filename)
Loads a string into the object */
PHP_METHOD(dmtxread, loadstring)
{
php_dmtx_read_object *intern;
char *image_string;
int image_string_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &image_string, &image_string_len) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
MagickSetResolution(intern->magick_wand, X_RESOLUTION, Y_RESOLUTION);
if (MagickReadImageBlob(intern->magick_wand, image_string, image_string_len) == MagickFalse) {
PHP_DMTX_THROW_IMAGE_EXCEPTION(intern->magick_wand, "Unable to read the image");
}
RETURN_TRUE;
}
/* }}} */
PHP_METHOD(dmtxread, gettimeout)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->options.timeout_ms);
}
PHP_METHOD(dmtxread, getlimit)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
array_init(return_value);
add_assoc_long(return_value, "start", intern->options.start);
add_assoc_long(return_value, "limit", intern->options.limit);
return;
}
PHP_METHOD(dmtxread, getsymbolshape)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->options.symbol);
}
PHP_METHOD(dmtxread, getshrink)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->options.shrink);
}
/* {{{ proto bool dmtxRead::setTimeout(int timeout)
Set timeout for reading. Negative number unsets timeout */
PHP_METHOD(dmtxread, settimeout)
{
php_dmtx_read_object *intern;
long timeout_ms;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &timeout_ms) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->options.timeout_ms = timeout_ms;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::setLimit(int start, int limit)
Limit which pages to scan */
PHP_METHOD(dmtxread, setlimit)
{
php_dmtx_read_object *intern;
long start, limit = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &start, &limit) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->options.start = (start < 0) ? 0 : start;
intern->options.limit = limit;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::setSymbolShape(int shape)
Symbol shape */
PHP_METHOD(dmtxread, setsymbolshape)
{
php_dmtx_read_object *intern;
long symbol;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &symbol) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
if (symbol == DmtxSymbolSquareAuto || symbol == DmtxSymbolSquareCount ||
symbol == DmtxSymbolRectAuto || symbol == DmtxSymbolRectCount || symbol == DmtxSymbolShapeAuto) {
intern->options.symbol = symbol;
} else {
PHP_DMTX_THROW_GENERIC_EXCEPTION("Unknown symbol shape");
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::setShrink(int shrink)
set shrink */
PHP_METHOD(dmtxread, setshrink)
{
php_dmtx_read_object *intern;
long shrink;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &shrink) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->options.shrink = shrink;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::setScanRegion(int x_min, int x_max, int y_min, int y_max)
Set scan region */
PHP_METHOD(dmtxread, setscanregion)
{
php_dmtx_read_object *intern;
long x_min, x_max, y_min, y_max;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "llll", &x_min, &x_max, &y_min, &y_max) == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->scan_region.x_min = (x_min < 0) ? 0 : x_min;
intern->scan_region.x_max = x_max;
intern->scan_region.y_min = (y_min < 0) ? 0 : y_min;
intern->scan_region.y_max = y_max;
intern->scan_region.active = 1;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::setScheme([integer scheme])
Sets the encoding scheme on the object
*/
PHP_METHOD(dmtxread, setscheme)
{
php_dmtx_read_object *intern;
long scheme;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &scheme) == FAILURE) {
return;
}
if (scheme < PhpDmtxSchemeAscii || scheme > PhpDmtxSchemeBase256) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("Invalid encoding scheme assigned!");
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->options.scheme = scheme;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxRead::getScheme()
Returns encoding scheme on the object
*/
PHP_METHOD(dmtxread, getscheme)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->options.scheme);
}
/* }}} */
/* {{{ proto bool dmtxRead::unsetScanRegion()
Unset scan region */
PHP_METHOD(dmtxread, unsetscanregion)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->scan_region.active = 0;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto array dmtxRead::getScanRegion()
get scan region */
PHP_METHOD(dmtxread, getscanregion)
{
php_dmtx_read_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
if (!intern->scan_region.active) {
return;
}
array_init(return_value);
add_assoc_long(return_value, "x_min", intern->scan_region.x_min);
add_assoc_long(return_value, "x_max", intern->scan_region.x_max);
add_assoc_long(return_value, "y_min", intern->scan_region.y_min);
add_assoc_long(return_value, "y_max", intern->scan_region.y_max);
return;
}
/* }}} */
/* {{{ static void _add_assoc_pixel(zval *array, char *key, DmtxPixelLoc pixel) */
static void _add_assoc_pixel(zval *array, char *key, DmtxPixelLoc pixel)
{
char *buffer;
spprintf(&buffer, 512, "%dx%d", pixel.X, pixel.Y);
add_assoc_string(array, key, buffer, 0);
}
/* }}} */
/* {{{ static zval *_php_dmtx_region_to_array(DmtxDecode *decode, DmtxRegion *region, int type, int corrections TSRMLS_DC) */
static zval *_php_dmtx_region_to_array(DmtxDecode *decode, DmtxRegion *region, int type, int corrections TSRMLS_DC)
{
zval *array, *edges, *bounds;
DmtxMessage *message;
double rotate;
int rotate_int;
/* This is the message */
if (type == PHP_DMTX_MOSAIC) {
message = dmtxDecodeMosaicRegion(decode, region, corrections);
} else {
message = dmtxDecodeMatrixRegion(decode, region, corrections);
}
if (!message) {
return NULL;
}
MAKE_STD_ZVAL(array);
array_init(array);
add_assoc_string(array, "message", (char *)message->output, 1);
add_assoc_long(array, "codewords", message->outputIdx);
dmtxMessageDestroy(&message);
rotate = (2 * M_PI) + (atan2(region->fit2raw[0][1], region->fit2raw[1][1]) - atan2(region->fit2raw[1][0], region->fit2raw[0][0])) / 2.0;
rotate_int = (int)(rotate * 180/M_PI + 0.5);
if (rotate_int >= 360) {
rotate_int -= 360;
}
add_assoc_long(array, "rotation_angle", rotate_int);
add_assoc_long(array, "matrix_width", dmtxGetSymbolAttribute(DmtxSymAttribSymbolRows, region->sizeIdx) );
add_assoc_long(array, "matrix_height", dmtxGetSymbolAttribute(DmtxSymAttribSymbolCols, region->sizeIdx) );
add_assoc_long(array, "data_regions_horizontal", dmtxGetSymbolAttribute(DmtxSymAttribHorizDataRegions, region->sizeIdx));
add_assoc_long(array, "data_regions_vertical", dmtxGetSymbolAttribute(DmtxSymAttribVertDataRegions, region->sizeIdx));
add_assoc_long(array, "interleaved_blocks", dmtxGetSymbolAttribute(DmtxSymAttribInterleavedBlocks, region->sizeIdx));
MAKE_STD_ZVAL(edges);
array_init(edges);
_add_assoc_pixel(edges, "left", region->leftLoc);
_add_assoc_pixel(edges, "bottom", region->bottomLoc);
_add_assoc_pixel(edges, "top", region->topLoc);
_add_assoc_pixel(edges, "right", region->rightLoc);
MAKE_STD_ZVAL(bounds);
array_init(bounds);
_add_assoc_pixel(bounds, "bound_min", region->boundMin);
_add_assoc_pixel(bounds, "bound_max", region->boundMax);
/* Add edges and bounds to return array */
add_assoc_zval(array, "edges", edges);
add_assoc_zval(array, "bounds", bounds);
return array;
}
/* }}} */
/* {{{ proto array dmtxRead::getInfo([int scan_gap, int corrections, int type])
Fetches the information from the image */
PHP_METHOD(dmtxread, getinfo)
{
php_dmtx_read_object *intern;
long scan_gap = 1, corrections = DmtxUndefined, type = PHP_DMTX_MATRIX;
DmtxTime timeout;
long i, j, start, limit;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lbla", &scan_gap, &corrections, &type) == FAILURE) {
return;
}
if (scan_gap <= 0) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("The scan gap needs to be larger than zero");
}
intern = (php_dmtx_read_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
/* init the return value as an array */
array_init(return_value);
if (intern->options.start <= 0) {
start = 0;
MagickResetIterator(intern->magick_wand);
} else {
/* Set iterator to one before because iteration uses MagickNextImage */
if (MagickSetIteratorIndex(intern->magick_wand, (intern->options.start - 1)) == MagickFalse) {
MagickResetIterator(intern->magick_wand);
start = 0;
} else {
start = intern->options.start;
}
}
if (intern->options.limit < 0) {
limit = MagickGetNumberImages(intern->magick_wand);
} else {
limit = intern->options.limit;
}
/* Loop through all pages */
j = 0;
for (i = start; MagickNextImage(intern->magick_wand) != MagickFalse; i++) {
DmtxImage *image;
DmtxDecode *decode;
zval *current_page;
/* Honor the limit */
if (j >= limit) {
break;
}
j++;
/* Get image */
image = php_create_dmtx_image_from_wand(intern->magick_wand TSRMLS_CC);
if (!image) {
continue;
}
decode = dmtxDecodeCreate(image, intern->options.shrink);
if (!decode) {
efree(image->pxl);
dmtxImageDestroy(&image);
continue;
}
dmtxDecodeSetProp(decode, DmtxPropScanGap, scan_gap);
/**
* Added encoding options select
* @author Mykhailo Stadnyk <[email protected]>
*/
dmtxDecodeSetProp(decode, DmtxPropScheme, intern->options.scheme);
if (intern->scan_region.active) {
if (intern->scan_region.x_max > image->width) {
intern->scan_region.x_max = image->width;
}
if (intern->scan_region.y_max > image->height) {
intern->scan_region.y_max = image->height;
}
if (dmtxDecodeSetProp(decode, DmtxPropXmin, intern->scan_region.x_min) == DmtxFail ||
dmtxDecodeSetProp(decode, DmtxPropXmax, intern->scan_region.x_max) == DmtxFail ||
dmtxDecodeSetProp(decode, DmtxPropYmin, intern->scan_region.y_min) == DmtxFail ||
dmtxDecodeSetProp(decode, DmtxPropYmax, intern->scan_region.y_max) == DmtxFail) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("Failed to set scan region");
}
}
if (dmtxDecodeSetProp(decode, DmtxPropSymbolSize, intern->options.symbol) == DmtxFail) {
efree(image->pxl);
dmtxImageDestroy(&image);
PHP_DMTX_THROW_GENERIC_EXCEPTION("Failed to set symbol");
}
/* Current page is an array of regions */
MAKE_STD_ZVAL(current_page);
array_init(current_page);
/* Loop through all regions on the page */
for (;;) {
DmtxRegion *region;
zval *region_array;
/* Let's see how it goes */
if (intern->options.timeout_ms >= 0) {
timeout = dmtxTimeAdd(dmtxTimeNow(), intern->options.timeout_ms);
region = dmtxRegionFindNext(decode, &timeout);
} else {
region = dmtxRegionFindNext(decode, NULL);
}
/* No region found */
if (!region) {
break;
}
/* Convert region info to php array */
region_array = _php_dmtx_region_to_array(decode, region, type, corrections TSRMLS_CC);
if (region_array) {
add_next_index_zval(current_page, region_array);
}
dmtxRegionDestroy(®ion);
}
add_index_zval(return_value, i, current_page);
efree(image->pxl);
dmtxImageDestroy(&image);
dmtxDecodeDestroy(&decode);
}
return;
}
/* }}} */
/* {{{ proto void dmtxWrite::__construct([string message])
Constructs the dmtxWrite object */
PHP_METHOD(dmtxwrite, __construct)
{
php_dmtx_write_object *intern;
char *message = NULL;
int message_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!", &message, &message_len) == FAILURE) {
return;
}
if (!message || message_len == 0) {
return;
}
if (message_len >= DMTXWRITE_BUFFER_SIZE) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("The message is larger than the maximum allowed size");
}
intern = (php_dmtx_write_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
memset(intern->message, '\0', DMTXWRITE_BUFFER_SIZE);
strncpy(intern->message, message, message_len);
intern->message_len = message_len;
intern->scheme = PhpDmtxSchemeBase256; // added
return;
}
/* }}} */
/* {{{ proto bool dmtxWrite::setMessage([string message])
Sets the message on the object */
PHP_METHOD(dmtxwrite, setmessage)
{
php_dmtx_write_object *intern;
char *message;
int message_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &message, &message_len) == FAILURE) {
return;
}
if (message_len >= DMTXWRITE_BUFFER_SIZE) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("The message is larger than the maximum allowed size");
}
intern = (php_dmtx_write_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
memset(intern->message, '\0', DMTXWRITE_BUFFER_SIZE);
strncpy(intern->message, message, message_len);
intern->message_len = message_len;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxWrite::setScheme([integer scheme])
Sets the encoding scheme on the object
*/
PHP_METHOD(dmtxwrite, setscheme)
{
php_dmtx_write_object *intern;
long scheme;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &scheme) == FAILURE) {
return;
}
if (scheme < PhpDmtxSchemeAscii || scheme > PhpDmtxSchemeBase256) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("Invalid encoding scheme assigned!");
}
intern = (php_dmtx_write_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
intern->scheme = scheme;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool dmtxWrite::getScheme()
Returns encoding scheme on the object
*/
PHP_METHOD(dmtxwrite, getscheme)
{
php_dmtx_write_object *intern;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
intern = (php_dmtx_write_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETURN_LONG(intern->scheme);
}
/* }}} */
/* {{{ proto bool dmtxWrite::save(string filename[, int symbol, int type])
Saves the message into a file */
PHP_METHOD(dmtxwrite, save)
{
php_dmtx_write_object *intern;
char *filename;
int filename_len, status;
long symbol = DmtxSymbolSquareAuto, width, height, type = PHP_DMTX_MATRIX;
DmtxEncode *encode;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ls!", &filename, &filename_len, &symbol, &type) == FAILURE) {
return;
}
intern = (php_dmtx_write_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
if (intern->message_len == 0) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("The object does not contain a message");
}
if (strlen(filename) >= MAXPATHLEN) {
PHP_DMTX_THROW_GENERIC_EXCEPTION("The filename exceeds the maximum allowed length");
}
encode = dmtxEncodeCreate();
/* Pack as RGB */
dmtxEncodeSetProp(encode, DmtxPropPixelPacking, DmtxPack24bppRGB);
dmtxEncodeSetProp(encode, DmtxPropSizeRequest, symbol);
/**
* Sets selected encoding scheme
*/
dmtxEncodeSetProp(encode, DmtxPropScheme, intern->scheme);
if (type == PHP_DMTX_MOSAIC) {
status = dmtxEncodeDataMosaic(encode, intern->message_len, (unsigned char *)intern->message);
} else {
status = dmtxEncodeDataMatrix(encode, intern->message_len, (unsigned char *)intern->message);
}
if (status == DmtxFail) {
dmtxEncodeDestroy(&encode);
PHP_DMTX_THROW_GENERIC_EXCEPTION("Failed to encode the image");
}
width = dmtxImageGetProp(encode->image, DmtxPropWidth);
height = dmtxImageGetProp(encode->image, DmtxPropHeight);
/* Clear if previous images */
if (MagickGetNumberImages(intern->magick_wand) > 0) {
ClearMagickWand(intern->magick_wand);
}
/* Import the pixels */
if (MagickConstituteImage(intern->magick_wand, width, height, "RGB", CharPixel, encode->image->pxl) == MagickFalse) {
dmtxEncodeDestroy(&encode);
PHP_DMTX_THROW_IMAGE_EXCEPTION(intern->magick_wand, "Failed to import image");
}
if (MagickWriteImage(intern->magick_wand, filename) == MagickFalse) {
dmtxEncodeDestroy(&encode);
PHP_DMTX_THROW_GENERIC_EXCEPTION("Failed to write image");
}
dmtxEncodeDestroy(&encode);
RETURN_TRUE;
}
/* Initialization */
static void php_dmtx_object_free_storage(void *object TSRMLS_DC)
{
php_dmtx_object *intern = (php_dmtx_object *)object;
if (!intern) {
return;
}
zend_object_std_dtor(&intern->zo TSRMLS_CC);
efree(intern);
}
static void php_dmtx_read_object_free_storage(void *object TSRMLS_DC)
{
php_dmtx_read_object *intern = (php_dmtx_read_object *)object;
if (!intern) {
return;
}
intern->magick_wand = DestroyMagickWand(intern->magick_wand);
zend_object_std_dtor(&intern->zo TSRMLS_CC);
efree(intern);
}
static void php_dmtx_write_object_free_storage(void *object TSRMLS_DC)
{
php_dmtx_write_object *intern = (php_dmtx_write_object *)object;
if (!intern) {
return;
}
intern->magick_wand = DestroyMagickWand(intern->magick_wand);
zend_object_std_dtor(&intern->zo TSRMLS_CC);
efree(intern);
}
static zend_object_value php_dmtx_object_new(zend_class_entry *class_type TSRMLS_DC)
{
zval *tmp;
zend_object_value retval;
php_dmtx_object *intern;
/* Allocate memory for it */
intern = emalloc(sizeof(php_dmtx_read_object));
memset(&intern->zo, 0, sizeof(php_dmtx_read_object));
zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref,(void *) &tmp, sizeof(zval *));
retval.handle = zend_objects_store_put(intern, NULL, (zend_objects_free_object_storage_t) php_dmtx_object_free_storage, NULL TSRMLS_CC);
retval.handlers = (zend_object_handlers *) &php_dmtx_object_handlers;
return retval;
}
static zend_object_value php_dmtx_read_object_new(zend_class_entry *class_type TSRMLS_DC)
{
zval *tmp;
zend_object_value retval;
php_dmtx_read_object *intern;
/* Allocate memory for it */
intern = emalloc(sizeof(php_dmtx_read_object));
memset(&intern->zo, 0, sizeof(php_dmtx_read_object));
intern->magick_wand = NewMagickWand();
intern->options.timeout_ms = -1;
intern->options.start = -1;
intern->options.limit = -1;
intern->options.symbol = DmtxSymbolShapeAuto;
intern->options.shrink = 1;
intern->options.scheme = PhpDmtxSchemeBase256;
intern->scan_region.x_min = 0;
intern->scan_region.x_max = 0;
intern->scan_region.y_min = 0;
intern->scan_region.y_max = 0;
intern->scan_region.active = 0;
zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref,(void *) &tmp, sizeof(zval *));
retval.handle = zend_objects_store_put(intern, NULL, (zend_objects_free_object_storage_t) php_dmtx_read_object_free_storage, NULL TSRMLS_CC);