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105 lines
4.3 KiB
105 lines
4.3 KiB
/* |
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* Copyright 2022 gitlost |
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*/ |
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// SPDX-License-Identifier: Apache-2.0 |
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#include "ThresholdBinarizer.h" |
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#include "oned/ODReader.h" |
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#include "gtest/gtest.h" |
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using namespace ZXing; |
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// Helper to parse a 0/1 string into a BitMatrix |
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static BitMatrix ParseBitMatrix(const std::string& str, const int width) |
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{ |
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const int height = narrow_cast<int>(str.length() / width); |
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BitMatrix mat(width, height); |
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for (int y = 0; y < height; ++y) { |
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size_t offset = y * width; |
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for (int x = 0; x < width; ++x, offset++) { |
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if (str[offset] == '1') { |
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mat.set(x, y); |
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} |
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} |
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} |
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return mat; |
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} |
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// Helper to convert a BitMatrix into a black/white ImageView |
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static ImageView getImageView(std::vector<uint8_t> &buf, const BitMatrix &bits) |
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{ |
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buf.resize(bits.width() * bits.height()); |
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for (int r = 0; r < bits.height(); r++) { |
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const int k = r * bits.width(); |
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for (int c = 0; c < bits.width(); c++) { |
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buf[k + c] = bits.get(c, r) ? 0x00 : 0xFF; |
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} |
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} |
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return ImageView(buf.data(), bits.width(), bits.height(), ImageFormat::Lum); |
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} |
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TEST(ThresholdBinarizerTest, PatternRowClear) |
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{ |
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std::string bitstream; |
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BitMatrix bits; |
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ReaderOptions opts; |
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std::vector<uint8_t> buf; |
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// Test that ThresholdBinarizer::getPatternRow() clears row first (same as GlobalHistogramBinarizer) |
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// Following was failing due to OneD::DoDecode() accumulating bars in loop when using ThresholdBinarizer |
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// DataBarExpanded Stacked with 11 rows (11 + 10 * 3 separators), 1 column (2 data segments) wide |
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bitstream = "01010101111011111110111111110000101100100000010100010" |
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"00001010000100000001000000001010010011011111101010000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00001000001110100010100001010101001110000101100110000" |
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"10100111110001011101011110000000010001111010011000101" |
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"00001000001110100010100001010101001110000101100110000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00000001110100100001010000001010010101100111000110000" |
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"01011110001011011110001111110000101010011000111000010" |
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"00000001110100100001010000001010010101100111000110000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00000110001111101110100001010100001110001110111010000" |
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"10101001110000010001011110000001110001110001000100101" |
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"00000110001111101110100001010100001110001110111010000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00001000011011000101010000101010010011100010001100000" |
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"01000111100100111010001111000000101100011101110010010" |
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"00001000011011000101010000101010010011100010001100000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00001000110001110110100000000100001011110100001000000" |
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"10100111001110001001011111111001110100001011110111101" |
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"00001000110001110110100000000100001011110100001000000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00000010011101111101010010101010010100110000100000000" |
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"01011101100010000010001100000000101011001111011110010" |
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"00000010011101111101010010101010010100110000100000000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00000100010111101110100000101010001100000110011010000" |
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"10111011101000010001011111000000110011111001100101101" |
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"00000100010111101110100000101010001100000110011010000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00000011000110001001000000010101010000011110011010000" |
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"01011100111001110110011111100000101111100001100101010" |
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"00000011000110001001000000010101010000011110011010000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00001011100010001110100000000010001011111010001100000" |
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"10100100011101110001011111111100110100000101110011101" |
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"00001011100010001110100000000010001011111010001100000" |
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"00000101010101010101010101010101010101010101010100000" |
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"00001000111010000101000101010101010100001011000110000" |
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"01000111000101111010011000000000101011110100111000010"; |
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bits = ParseBitMatrix(bitstream, 53 /*width*/); |
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opts.formats(BarcodeFormat::DataBarExp); |
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opts.minLineCount(1); |
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OneD::Reader reader(opts); |
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auto barcodes = reader.read(ThresholdBinarizer(getImageView(buf, bits), 0x7F), 1); |
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EXPECT_TRUE(barcodes.size() == 1); |
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if (barcodes.size()) |
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EXPECT_EQ(barcodes[0].content.text(TextMode::HRI), "(91)12345678901234567890123456789012345678901234567890123456789012345678"); |
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}
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