当前位置: 首页>>代码示例>>Java>>正文


Java BinaryBitmap.getBlackRow方法代码示例

本文整理汇总了Java中com.google.zxing.BinaryBitmap.getBlackRow方法的典型用法代码示例。如果您正苦于以下问题:Java BinaryBitmap.getBlackRow方法的具体用法?Java BinaryBitmap.getBlackRow怎么用?Java BinaryBitmap.getBlackRow使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在com.google.zxing.BinaryBitmap的用法示例。


在下文中一共展示了BinaryBitmap.getBlackRow方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doDecode

import com.google.zxing.BinaryBitmap; //导入方法依赖的package包/类
private Result doDecode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws
        NotFoundException {
    int maxLines;
    int width = image.getWidth();
    int height = image.getHeight();
    BitArray row = new BitArray(width);
    int middle = height >> 1;
    boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
    int rowStep = Math.max(1, height >> (tryHarder ? 8 : 5));
    if (tryHarder) {
        maxLines = height;
    } else {
        maxLines = 15;
    }
    for (int x = 0; x < maxLines; x++) {
        int rowStepsAboveOrBelow = (x + 1) / 2;
        if (!((x & 1) == 0)) {
            rowStepsAboveOrBelow = -rowStepsAboveOrBelow;
        }
        int rowNumber = middle + (rowStep * rowStepsAboveOrBelow);
        if (rowNumber < 0 || rowNumber >= height) {
            break;
        }
        try {
            row = image.getBlackRow(rowNumber, row);
            int attempt = 0;
            while (attempt < 2) {
                if (attempt == 1) {
                    row.reverse();
                    if (hints != null && hints.containsKey(DecodeHintType
                            .NEED_RESULT_POINT_CALLBACK)) {
                        Map<DecodeHintType, Object> newHints = new EnumMap(DecodeHintType
                                .class);
                        newHints.putAll(hints);
                        newHints.remove(DecodeHintType.NEED_RESULT_POINT_CALLBACK);
                        hints = newHints;
                    }
                }
                try {
                    Result result = decodeRow(rowNumber, row, hints);
                    if (attempt == 1) {
                        result.putMetadata(ResultMetadataType.ORIENTATION, Integer.valueOf
                                (180));
                        ResultPoint[] points = result.getResultPoints();
                        if (points != null) {
                            points[0] = new ResultPoint((((float) width) - points[0].getX())
                                    - 1.0f, points[0].getY());
                            points[1] = new ResultPoint((((float) width) - points[1].getX())
                                    - 1.0f, points[1].getY());
                        }
                    }
                    return result;
                } catch (ReaderException e) {
                    attempt++;
                }
            }
            continue;
        } catch (NotFoundException e2) {
        }
    }
    throw NotFoundException.getNotFoundInstance();
}
 
开发者ID:JackChan1999,项目名称:boohee_v5.6,代码行数:63,代码来源:OneDReader.java


注:本文中的com.google.zxing.BinaryBitmap.getBlackRow方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。