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added tryHarder and tryRotate attributes

pull/9/head
Khoren Markosyan 2 years ago
parent
70a1164181
commit
f6e4e19a56
7 changed files with 176 additions and 68 deletions
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  1. 12
      ios/Classes/src/native_zxing.cpp
  2. 98
      ios/Classes/src/native_zxing.h
  3. 79
      lib/generated_bindings.dart
  4. 11
      lib/src/logic/barcode_encoder.dart
  5. 16
      lib/src/logic/barcode_reader.dart
  6. 24
      lib/src/logic/barcodes_reader.dart
  7. 4
      pubspec.yaml

12
ios/Classes/src/native_zxing.cpp
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@ -14,9 +14,9 @@ using namespace ZXing;
extern "C" extern "C"
{ {
FUNCTION_ATTRIBUTE FUNCTION_ATTRIBUTE
void setLogEnabled(int enabled) void setLogEnabled(int enable)
{ {
setLoggingEnabled(enabled); setLoggingEnabled(enable);
} }
FUNCTION_ATTRIBUTE FUNCTION_ATTRIBUTE
@ -26,7 +26,7 @@ extern "C"
} }
FUNCTION_ATTRIBUTE FUNCTION_ATTRIBUTE
struct CodeResult readBarcode(char *bytes, int format, int width, int height, int cropWidth, int cropHeight) struct CodeResult readBarcode(char *bytes, int format, int width, int height, int cropWidth, int cropHeight, int tryHarder, int tryRotate)
{ {
long long start = get_now(); long long start = get_now();
@ -39,7 +39,7 @@ extern "C"
{ {
image = image.cropped(width / 2 - cropWidth / 2, height / 2 - cropHeight / 2, cropWidth, cropHeight); image = image.cropped(width / 2 - cropWidth / 2, height / 2 - cropHeight / 2, cropWidth, cropHeight);
} }
DecodeHints hints = DecodeHints().setTryHarder(false).setTryRotate(true).setFormats(BarcodeFormat(format)); DecodeHints hints = DecodeHints().setTryHarder(tryHarder).setTryRotate(tryRotate).setFormats(BarcodeFormat(format));
Result result = ReadBarcode(image, hints); Result result = ReadBarcode(image, hints);
struct CodeResult code = {false, nullptr}; struct CodeResult code = {false, nullptr};
@ -54,7 +54,7 @@ extern "C"
} }
FUNCTION_ATTRIBUTE FUNCTION_ATTRIBUTE
struct CodeResults readBarcodes(char *bytes, int format, int width, int height, int cropWidth, int cropHeight) struct CodeResults readBarcodes(char *bytes, int format, int width, int height, int cropWidth, int cropHeight, int tryHarder, int tryRotate)
{ {
long long start = get_now(); long long start = get_now();
@ -67,7 +67,7 @@ extern "C"
{ {
image = image.cropped(width / 2 - cropWidth / 2, height / 2 - cropHeight / 2, cropWidth, cropHeight); image = image.cropped(width / 2 - cropWidth / 2, height / 2 - cropHeight / 2, cropWidth, cropHeight);
} }
DecodeHints hints = DecodeHints().setTryHarder(false).setTryRotate(true).setFormats(BarcodeFormat(format)); DecodeHints hints = DecodeHints().setTryHarder(tryHarder).setTryRotate(tryRotate).setFormats(BarcodeFormat(format));
Results results = ReadBarcodes(image, hints); Results results = ReadBarcodes(image, hints);
auto *codes = new struct CodeResult[results.size()]; auto *codes = new struct CodeResult[results.size()];

98
ios/Classes/src/native_zxing.h
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@ -3,6 +3,10 @@ extern "C"
{ {
#endif #endif
/**
* @brief Format Enumerates barcode formats known to this package.
*
*/
enum Format enum Format
{ {
None = 0, ///< Used as a return value if no valid barcode has been detected None = 0, ///< Used as a return value if no valid barcode has been detected
@ -28,48 +32,63 @@ extern "C"
Any = OneDCodes | TwoDCodes, Any = OneDCodes | TwoDCodes,
}; };
/**
* @brief Pos is a position of a barcode in a image.
*
*/
struct Pos struct Pos
{ {
int topLeftX; int topLeftX; ///< x coordinate of top left corner of barcode
int topLeftY; int topLeftY; ///< y coordinate of top left corner of barcode
int topRightX; int topRightX; ///< x coordinate of top right corner of barcode
int topRightY; int topRightY; ///< y coordinate of top right corner of barcode
int bottomLeftX; int bottomLeftX; ///< x coordinate of bottom left corner of barcode
int bottomLeftY; int bottomLeftY; ///< y coordinate of bottom left corner of barcode
int bottomRightX; int bottomRightX; ///< x coordinate of bottom right corner of barcode
int bottomRightY; int bottomRightY; ///< y coordinate of bottom right corner of barcode
}; };
/**
* @brief The CodeResult class encapsulates the result of decoding a barcode within an image.
*/
struct CodeResult struct CodeResult
{ {
int isValid; int isValid; ///< Whether the barcode was successfully decoded
char *text; char *text; ///< The decoded text
enum Format format; enum Format format; ///< The format of the barcode
struct Pos *pos; struct Pos *pos; ///< The position of the barcode within the image
}; };
/**
* @brief The CodeResults class encapsulates the result of decoding multiple barcodes within an image.
*/
struct CodeResults struct CodeResults
{ {
int count; int count; ///< The number of barcodes detected
struct CodeResult *results; struct CodeResult *results; ///< The results of the barcode decoding
}; };
/**
* @brief EncodeResult encapsulates the result of encoding a barcode.
*
*/
struct EncodeResult struct EncodeResult
{ {
int isValid; int isValid; ///< Whether the barcode was successfully encoded
char *text; char *text; ///< The encoded text
enum Format format; enum Format format; ///< The format of the barcode
const unsigned int *data; const unsigned int *data; ///< The encoded data
int length; int length; ///< The length of the encoded data
char *error; char *error; ///< The error message
}; };
/** /**
* @brief Enables or disables the logging of the library. * @brief Enables or disables the logging of the library.
* @param enable Whether to enable or disable the logging.
* *
* @param enabled * @param enabled
*/ */
void setLogEnabled(int enabled); void setLogEnabled(int enable);
/** /**
* Returns the version of the zxing-cpp library. * Returns the version of the zxing-cpp library.
@ -79,44 +98,47 @@ extern "C"
char const *version(); char const *version();
/** /**
* @brief Reads barcode from image. * @brief Read barcode from image bytes.
* @param bytes Image bytes. * @param bytes Image bytes.
* @param format The format of the barcode * @param format Specify a set of BarcodeFormats that should be searched for.
* @param width Image width. * @param width Image width in pixels.
* @param height Image height. * @param height Image height in pixels.
* @param cropWidth Crop width. * @param cropWidth Crop width.
* @param cropHeight Crop height. * @param cropHeight Crop height.
* @param logEnabled Log enabled. * @param tryHarder Spend more time to try to find a barcode; optimize for accuracy, not speed.
* @return Barcode result. * @param tryRotate Also try detecting code in 90, 180 and 270 degree rotated images.
* @return The barcode result.
*/ */
struct CodeResult readBarcode(char *bytes, int format, int width, int height, int cropWidth, int cropHeight); struct CodeResult readBarcode(char *bytes, int format, int width, int height, int cropWidth, int cropHeight, int tryHarder, int tryRotate);
/** /**
* @brief Reads barcodes from image. * @brief Read barcodes from image bytes.
* @param bytes Image bytes. * @param bytes Image bytes.
* @param format The format of the barcode * @param format Specify a set of BarcodeFormats that should be searched for.
* @param width Image width. * @param width Image width in pixels.
* @param height Image height. * @param height Image height in pixels.
* @param cropWidth Crop width. * @param cropWidth Crop width.
* @param cropHeight Crop height. * @param cropHeight Crop height.
* @param logEnabled Log enabled. * @param tryHarder Spend more time to try to find a barcode, optimize for accuracy, not speed.
* @return Barcode results. * @param tryRotate Also try detecting code in 90, 180 and 270 degree rotated images.
* @return The barcode results.
*/ */
struct CodeResults readBarcodes(char *bytes, int format, int width, int height, int cropWidth, int cropHeight); struct CodeResults readBarcodes(char *bytes, int format, int width, int height, int cropWidth, int cropHeight, int tryHarder, int tryRotate);
/** /**
* @brief Encode a string into a barcode * @brief Encode a string into a barcode
* @param contents The string to encode * @param contents The string to encode
* @param width The width of the barcode * @param width The width of the barcode in pixels.
* @param height The height of the barcode * @param height The height of the barcode in pixels.
* @param format The format of the barcode * @param format The format of the barcode
* @param margin The margin of the barcode * @param margin The margin of the barcode
* @param logEnabled Log enabled.
* @param eccLevel The error correction level of the barcode. Used for Aztec, PDF417, and QRCode only, [0-8]. * @param eccLevel The error correction level of the barcode. Used for Aztec, PDF417, and QRCode only, [0-8].
* @return The barcode data * @return The barcode data
*/ */
struct EncodeResult encodeBarcode(char *contents, int width, int height, int format, int margin, int eccLevel); struct EncodeResult encodeBarcode(char *contents, int width, int height, int format, int margin, int eccLevel);
// Private functions
void resultToCodeResult(struct CodeResult *code, ZXing::Result result); void resultToCodeResult(struct CodeResult *code, ZXing::Result result);
#ifdef __cplusplus #ifdef __cplusplus

79
lib/generated_bindings.dart
Unescape View File

@ -20,13 +20,14 @@ class GeneratedBindings {
: _lookup = lookup; : _lookup = lookup;
/// @brief Enables or disables the logging of the library. /// @brief Enables or disables the logging of the library.
/// @param enable Whether to enable or disable the logging.
/// ///
/// @param enabled /// @param enabled
void setLogEnabled( void setLogEnabled(
int enabled, int enable,
) { ) {
return _setLogEnabled( return _setLogEnabled(
enabled, enable,
); );
} }
@ -47,15 +48,16 @@ class GeneratedBindings {
late final _version = late final _version =
_versionPtr.asFunction<ffi.Pointer<ffi.Char> Function()>(); _versionPtr.asFunction<ffi.Pointer<ffi.Char> Function()>();
/// @brief Reads barcode from image. /// @brief Read barcode from image bytes.
/// @param bytes Image bytes. /// @param bytes Image bytes.
/// @param format The format of the barcode /// @param format Specify a set of BarcodeFormats that should be searched for.
/// @param width Image width. /// @param width Image width in pixels.
/// @param height Image height. /// @param height Image height in pixels.
/// @param cropWidth Crop width. /// @param cropWidth Crop width.
/// @param cropHeight Crop height. /// @param cropHeight Crop height.
/// @param logEnabled Log enabled. /// @param tryHarder Spend more time to try to find a barcode; optimize for accuracy, not speed.
/// @return Barcode result. /// @param tryRotate Also try detecting code in 90, 180 and 270 degree rotated images.
/// @return The barcode result.
CodeResult readBarcode( CodeResult readBarcode(
ffi.Pointer<ffi.Char> bytes, ffi.Pointer<ffi.Char> bytes,
int format, int format,
@ -63,6 +65,8 @@ class GeneratedBindings {
int height, int height,
int cropWidth, int cropWidth,
int cropHeight, int cropHeight,
int tryHarder,
int tryRotate,
) { ) {
return _readBarcode( return _readBarcode(
bytes, bytes,
@ -71,25 +75,29 @@ class GeneratedBindings {
height, height,
cropWidth, cropWidth,
cropHeight, cropHeight,
tryHarder,
tryRotate,
); );
} }
late final _readBarcodePtr = _lookup< late final _readBarcodePtr = _lookup<
ffi.NativeFunction< ffi.NativeFunction<
CodeResult Function(ffi.Pointer<ffi.Char>, ffi.Int, ffi.Int, ffi.Int, CodeResult Function(ffi.Pointer<ffi.Char>, ffi.Int, ffi.Int, ffi.Int,
ffi.Int, ffi.Int)>>('readBarcode'); ffi.Int, ffi.Int, ffi.Int, ffi.Int)>>('readBarcode');
late final _readBarcode = _readBarcodePtr.asFunction< late final _readBarcode = _readBarcodePtr.asFunction<
CodeResult Function(ffi.Pointer<ffi.Char>, int, int, int, int, int)>(); CodeResult Function(
ffi.Pointer<ffi.Char>, int, int, int, int, int, int, int)>();
/// @brief Reads barcodes from image. /// @brief Read barcodes from image bytes.
/// @param bytes Image bytes. /// @param bytes Image bytes.
/// @param format The format of the barcode /// @param format Specify a set of BarcodeFormats that should be searched for.
/// @param width Image width. /// @param width Image width in pixels.
/// @param height Image height. /// @param height Image height in pixels.
/// @param cropWidth Crop width. /// @param cropWidth Crop width.
/// @param cropHeight Crop height. /// @param cropHeight Crop height.
/// @param logEnabled Log enabled. /// @param tryHarder Spend more time to try to find a barcode, optimize for accuracy, not speed.
/// @return Barcode results. /// @param tryRotate Also try detecting code in 90, 180 and 270 degree rotated images.
/// @return The barcode results.
CodeResults readBarcodes( CodeResults readBarcodes(
ffi.Pointer<ffi.Char> bytes, ffi.Pointer<ffi.Char> bytes,
int format, int format,
@ -97,6 +105,8 @@ class GeneratedBindings {
int height, int height,
int cropWidth, int cropWidth,
int cropHeight, int cropHeight,
int tryHarder,
int tryRotate,
) { ) {
return _readBarcodes( return _readBarcodes(
bytes, bytes,
@ -105,23 +115,25 @@ class GeneratedBindings {
height, height,
cropWidth, cropWidth,
cropHeight, cropHeight,
tryHarder,
tryRotate,
); );
} }
late final _readBarcodesPtr = _lookup< late final _readBarcodesPtr = _lookup<
ffi.NativeFunction< ffi.NativeFunction<
CodeResults Function(ffi.Pointer<ffi.Char>, ffi.Int, ffi.Int, ffi.Int, CodeResults Function(ffi.Pointer<ffi.Char>, ffi.Int, ffi.Int, ffi.Int,
ffi.Int, ffi.Int)>>('readBarcodes'); ffi.Int, ffi.Int, ffi.Int, ffi.Int)>>('readBarcodes');
late final _readBarcodes = _readBarcodesPtr.asFunction< late final _readBarcodes = _readBarcodesPtr.asFunction<
CodeResults Function(ffi.Pointer<ffi.Char>, int, int, int, int, int)>(); CodeResults Function(
ffi.Pointer<ffi.Char>, int, int, int, int, int, int, int)>();
/// @brief Encode a string into a barcode /// @brief Encode a string into a barcode
/// @param contents The string to encode /// @param contents The string to encode
/// @param width The width of the barcode /// @param width The width of the barcode in pixels.
/// @param height The height of the barcode /// @param height The height of the barcode in pixels.
/// @param format The format of the barcode /// @param format The format of the barcode
/// @param margin The margin of the barcode /// @param margin The margin of the barcode
/// @param logEnabled Log enabled.
/// @param eccLevel The error correction level of the barcode. Used for Aztec, PDF417, and QRCode only, [0-8]. /// @param eccLevel The error correction level of the barcode. Used for Aztec, PDF417, and QRCode only, [0-8].
/// @return The barcode data /// @return The barcode data
EncodeResult encodeBarcode( EncodeResult encodeBarcode(
@ -150,6 +162,7 @@ class GeneratedBindings {
EncodeResult Function(ffi.Pointer<ffi.Char>, int, int, int, int, int)>(); EncodeResult Function(ffi.Pointer<ffi.Char>, int, int, int, int, int)>();
} }
/// @brief Format Enumerates barcode formats known to this package.
abstract class Format { abstract class Format {
/// < Used as a return value if no valid barcode has been detected /// < Used as a return value if no valid barcode has been detected
static const int None = 0; static const int None = 0;
@ -206,64 +219,88 @@ abstract class Format {
static const int Any = 65535; static const int Any = 65535;
} }
/// @brief Pos is a position of a barcode in a image.
class Pos extends ffi.Struct { class Pos extends ffi.Struct {
/// < x coordinate of top left corner of barcode
@ffi.Int() @ffi.Int()
external int topLeftX; external int topLeftX;
/// < y coordinate of top left corner of barcode
@ffi.Int() @ffi.Int()
external int topLeftY; external int topLeftY;
/// < x coordinate of top right corner of barcode
@ffi.Int() @ffi.Int()
external int topRightX; external int topRightX;
/// < y coordinate of top right corner of barcode
@ffi.Int() @ffi.Int()
external int topRightY; external int topRightY;
/// < x coordinate of bottom left corner of barcode
@ffi.Int() @ffi.Int()
external int bottomLeftX; external int bottomLeftX;
/// < y coordinate of bottom left corner of barcode
@ffi.Int() @ffi.Int()
external int bottomLeftY; external int bottomLeftY;
/// < x coordinate of bottom right corner of barcode
@ffi.Int() @ffi.Int()
external int bottomRightX; external int bottomRightX;
/// < y coordinate of bottom right corner of barcode
@ffi.Int() @ffi.Int()
external int bottomRightY; external int bottomRightY;
} }
/// @brief The CodeResult class encapsulates the result of decoding a barcode within an image.
class CodeResult extends ffi.Struct { class CodeResult extends ffi.Struct {
/// < Whether the barcode was successfully decoded
@ffi.Int() @ffi.Int()
external int isValid; external int isValid;
/// < The decoded text
external ffi.Pointer<ffi.Char> text; external ffi.Pointer<ffi.Char> text;
/// < The format of the barcode
@ffi.Int32() @ffi.Int32()
external int format; external int format;
/// < The position of the barcode within the image
external ffi.Pointer<Pos> pos; external ffi.Pointer<Pos> pos;
} }
/// @brief The CodeResults class encapsulates the result of decoding multiple barcodes within an image.
class CodeResults extends ffi.Struct { class CodeResults extends ffi.Struct {
/// < The number of barcodes detected
@ffi.Int() @ffi.Int()
external int count; external int count;
/// < The results of the barcode decoding
external ffi.Pointer<CodeResult> results; external ffi.Pointer<CodeResult> results;
} }
/// @brief EncodeResult encapsulates the result of encoding a barcode.
class EncodeResult extends ffi.Struct { class EncodeResult extends ffi.Struct {
/// < Whether the barcode was successfully encoded
@ffi.Int() @ffi.Int()
external int isValid; external int isValid;
/// < The encoded text
external ffi.Pointer<ffi.Char> text; external ffi.Pointer<ffi.Char> text;
/// < The format of the barcode
@ffi.Int32() @ffi.Int32()
external int format; external int format;
/// < The encoded data
external ffi.Pointer<ffi.UnsignedInt> data; external ffi.Pointer<ffi.UnsignedInt> data;
/// < The length of the encoded data
@ffi.Int() @ffi.Int()
external int length; external int length;
/// < The error message
external ffi.Pointer<ffi.Char> error; external ffi.Pointer<ffi.Char> error;
} }

11
lib/src/logic/barcode_encoder.dart
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@ -1,7 +1,14 @@
part of 'zxing.dart'; part of 'zxing.dart';
EncodeResult encodeBarcode(String contents, int width, int height, int format, // Encode a string into a barcode
int margin, int eccLevel) { EncodeResult encodeBarcode(
String contents,
int width,
int height,
int format,
int margin,
int eccLevel,
) {
return bindings.encodeBarcode( return bindings.encodeBarcode(
contents.toNativeUtf8().cast<Char>(), contents.toNativeUtf8().cast<Char>(),
width, width,

16
lib/src/logic/barcode_reader.dart
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@ -6,12 +6,16 @@ Future<CodeResult?> readBarcodeImagePathString(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) => }) =>
readBarcodeImagePath( readBarcodeImagePath(
XFile(path), XFile(path),
format: format, format: format,
cropWidth: cropWidth, cropWidth: cropWidth,
cropHeight: cropHeight, cropHeight: cropHeight,
tryHarder: tryHarder,
tryRotate: tryRotate,
); );
/// Reads barcode from XFile image path /// Reads barcode from XFile image path
@ -20,6 +24,8 @@ Future<CodeResult?> readBarcodeImagePath(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) async { }) async {
final Uint8List imageBytes = await path.readAsBytes(); final Uint8List imageBytes = await path.readAsBytes();
final imglib.Image? image = imglib.decodeImage(imageBytes); final imglib.Image? image = imglib.decodeImage(imageBytes);
@ -33,6 +39,8 @@ Future<CodeResult?> readBarcodeImagePath(
format: format, format: format,
cropWidth: cropWidth, cropWidth: cropWidth,
cropHeight: cropHeight, cropHeight: cropHeight,
tryHarder: tryHarder,
tryRotate: tryRotate,
); );
} }
@ -42,6 +50,8 @@ Future<CodeResult?> readBarcodeImageUrl(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) async { }) async {
final Uint8List imageBytes = final Uint8List imageBytes =
(await NetworkAssetBundle(Uri.parse(url)).load(url)).buffer.asUint8List(); (await NetworkAssetBundle(Uri.parse(url)).load(url)).buffer.asUint8List();
@ -56,6 +66,8 @@ Future<CodeResult?> readBarcodeImageUrl(
format: format, format: format,
cropWidth: cropWidth, cropWidth: cropWidth,
cropHeight: cropHeight, cropHeight: cropHeight,
tryHarder: tryHarder,
tryRotate: tryRotate,
); );
} }
@ -67,6 +79,8 @@ CodeResult readBarcode(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) => }) =>
bindings.readBarcode( bindings.readBarcode(
bytes.allocatePointer(), bytes.allocatePointer(),
@ -75,4 +89,6 @@ CodeResult readBarcode(
height, height,
cropWidth, cropWidth,
cropHeight, cropHeight,
tryHarder ? 1 : 0,
tryRotate ? 1 : 0,
); );

24
lib/src/logic/barcodes_reader.dart
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@ -6,12 +6,16 @@ Future<List<CodeResult>> readBarcodesImagePathString(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) => }) =>
readBarcodesImagePath( readBarcodesImagePath(
XFile(path), XFile(path),
format: format, format: format,
cropWidth: cropWidth, cropWidth: cropWidth,
cropHeight: cropHeight, cropHeight: cropHeight,
tryHarder: tryHarder,
tryRotate: tryRotate,
); );
/// Reads barcodes from XFile image path /// Reads barcodes from XFile image path
@ -20,6 +24,8 @@ Future<List<CodeResult>> readBarcodesImagePath(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) async { }) async {
final Uint8List imageBytes = await path.readAsBytes(); final Uint8List imageBytes = await path.readAsBytes();
final imglib.Image? image = imglib.decodeImage(imageBytes); final imglib.Image? image = imglib.decodeImage(imageBytes);
@ -33,6 +39,8 @@ Future<List<CodeResult>> readBarcodesImagePath(
format: format, format: format,
cropWidth: cropWidth, cropWidth: cropWidth,
cropHeight: cropHeight, cropHeight: cropHeight,
tryHarder: tryHarder,
tryRotate: tryRotate,
); );
} }
@ -42,6 +50,8 @@ Future<List<CodeResult>> readBarcodesImageUrl(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) async { }) async {
final Uint8List imageBytes = final Uint8List imageBytes =
(await NetworkAssetBundle(Uri.parse(url)).load(url)).buffer.asUint8List(); (await NetworkAssetBundle(Uri.parse(url)).load(url)).buffer.asUint8List();
@ -56,6 +66,8 @@ Future<List<CodeResult>> readBarcodesImageUrl(
format: format, format: format,
cropWidth: cropWidth, cropWidth: cropWidth,
cropHeight: cropHeight, cropHeight: cropHeight,
tryHarder: tryHarder,
tryRotate: tryRotate,
); );
} }
@ -67,9 +79,19 @@ List<CodeResult> readBarcodes(
int format = Format.Any, int format = Format.Any,
int cropWidth = 0, int cropWidth = 0,
int cropHeight = 0, int cropHeight = 0,
bool tryHarder = false,
bool tryRotate = true,
}) { }) {
final CodeResults result = bindings.readBarcodes( final CodeResults result = bindings.readBarcodes(
bytes.allocatePointer(), format, width, height, cropWidth, cropHeight); bytes.allocatePointer(),
format,
width,
height,
cropWidth,
cropHeight,
tryHarder ? 1 : 0,
tryRotate ? 1 : 0,
);
final List<CodeResult> results = <CodeResult>[]; final List<CodeResult> results = <CodeResult>[];
for (int i = 0; i < result.count; i++) { for (int i = 0; i < result.count; i++) {
results.add(result.results.elementAt(i).ref); results.add(result.results.elementAt(i).ref);

4
pubspec.yaml
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@ -36,5 +36,9 @@ ffigen:
headers: headers:
entry-points: entry-points:
- "ios/Classes/src/native_zxing.h" - "ios/Classes/src/native_zxing.h"
functions:
exclude:
- resultToCodeResult
# flutter pub publish --dry-run # flutter pub publish --dry-run
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