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- /*
- * Copyright 2012 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /**
- * Encapsulates a set of error-correction blocks in one symbol version. Most versions will
- * use blocks of differing sizes within one version, so, this encapsulates the parameters for
- * each set of blocks. It also holds the number of error-correction codewords per block since it
- * will be the same across all blocks within one version.
- */
- @interface ZXDataMatrixECBlocks : NSObject
-
- @property (nonatomic, strong, readonly) NSArray *ecBlocks;
- @property (nonatomic, assign, readonly) int ecCodewords;
-
- @end
-
- /**
- * Encapsualtes the parameters for one error-correction block in one symbol version.
- * This includes the number of data codewords, and the number of times a block with these
- * parameters is used consecutively in the Data Matrix code version's format.
- */
- @interface ZXDataMatrixECB : NSObject
-
- @property (nonatomic, assign, readonly) int count;
- @property (nonatomic, assign, readonly) int dataCodewords;
-
- @end
-
- /**
- * The Version object encapsulates attributes about a particular
- * size Data Matrix Code.
- */
- @interface ZXDataMatrixVersion : NSObject
-
- @property (nonatomic, strong, readonly) ZXDataMatrixECBlocks *ecBlocks;
- @property (nonatomic, assign, readonly) int dataRegionSizeColumns;
- @property (nonatomic, assign, readonly) int dataRegionSizeRows;
- @property (nonatomic, assign, readonly) int symbolSizeColumns;
- @property (nonatomic, assign, readonly) int symbolSizeRows;
- @property (nonatomic, assign, readonly) int totalCodewords;
- @property (nonatomic, assign, readonly) int versionNumber;
-
- /**
- * <p>Deduces version information from Data Matrix dimensions.</p>
- *
- * @param numRows Number of rows in modules
- * @param numColumns Number of columns in modules
- * @return Version for a Data Matrix Code of those dimensions or nil
- * if dimensions do correspond to a valid Data Matrix size
- */
- + (ZXDataMatrixVersion *)versionForDimensions:(int)numRows numColumns:(int)numColumns;
-
- @end
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