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authorLei Zhang <thestig@chromium.org>2018-09-22 06:04:40 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-09-22 06:04:40 +0000
commit7330143be7a3dce5fbbe5642cd8e8e3cc77d6baa (patch)
tree4578da488da0f3bf89ec06ec035fdcbda7fd37ef /fxbarcode/qrcode
parent4993f558f9df8f85404d4bca71808542d5a18266 (diff)
downloadpdfium-7330143be7a3dce5fbbe5642cd8e8e3cc77d6baa.tar.xz
Encapsulate CBC_QRCoderMatrixUtil code.
Change-Id: I82ae8d25f0af74724bffa8177300148afc2286e4 Reviewed-on: https://pdfium-review.googlesource.com/42470 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Diffstat (limited to 'fxbarcode/qrcode')
-rw-r--r--fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp328
-rw-r--r--fxbarcode/qrcode/BC_QRCoderMatrixUtil.h56
2 files changed, 167 insertions, 217 deletions
diff --git a/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp b/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp
index 64b8685177..0ef04cb568 100644
--- a/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp
+++ b/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp
@@ -75,127 +75,36 @@ const int32_t VERSION_INFO_POLY = 0x1f25;
const int32_t TYPE_INFO_POLY = 0x0537;
const int32_t TYPE_INFO_MASK_PATTERN = 0x5412;
-} // namespace
-
-void CBC_QRCoderMatrixUtil::ClearMatrix(CBC_CommonByteMatrix* matrix,
- int32_t& e) {
- if (!matrix) {
- e = BCExceptionNullPointer;
- return;
- }
- matrix->clear((uint8_t)-1);
-}
-void CBC_QRCoderMatrixUtil::BuildMatrix(
- CBC_QRCoderBitVector* dataBits,
- const CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t version,
- int32_t maskPattern,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
- if (!matrix) {
- e = BCExceptionNullPointer;
- return;
- }
- ClearMatrix(matrix, e);
- if (e != BCExceptionNO)
- return;
- EmbedBasicPatterns(version, matrix, e);
- if (e != BCExceptionNO)
- return;
- EmbedTypeInfo(ecLevel, maskPattern, matrix, e);
- if (e != BCExceptionNO)
- return;
- MaybeEmbedVersionInfo(version, matrix, e);
- if (e != BCExceptionNO)
- return;
- EmbedDataBits(dataBits, maskPattern, matrix, e);
- if (e != BCExceptionNO)
- return;
-}
-void CBC_QRCoderMatrixUtil::EmbedBasicPatterns(int32_t version,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
- if (!matrix) {
- e = BCExceptionNullPointer;
- return;
- }
- EmbedPositionDetectionPatternsAndSeparators(matrix, e);
- if (e != BCExceptionNO)
- return;
- EmbedDarkDotAtLeftBottomCorner(matrix, e);
- if (e != BCExceptionNO)
- return;
- MaybeEmbedPositionAdjustmentPatterns(version, matrix, e);
- if (e != BCExceptionNO)
- return;
- EmbedTimingPatterns(matrix, e);
- if (e != BCExceptionNO)
- return;
+bool IsEmpty(int32_t value) {
+ return (uint8_t)value == 0xff;
}
-void CBC_QRCoderMatrixUtil::EmbedTypeInfo(
- const CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t maskPattern,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
- if (!matrix) {
- e = BCExceptionNullPointer;
- return;
- }
- CBC_QRCoderBitVector typeInfoBits;
- MakeTypeInfoBits(ecLevel, maskPattern, &typeInfoBits, e);
- if (e != BCExceptionNO)
- return;
+bool IsValidValue(int32_t value) {
+ return ((uint8_t)value == 0xff || (uint8_t)value == 0x00 ||
+ (uint8_t)value == 0x01);
+}
- for (size_t i = 0; i < typeInfoBits.Size(); i++) {
- int32_t bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e);
- if (e != BCExceptionNO)
- return;
- int32_t x1 = TYPE_INFO_COORDINATES[i][0];
- int32_t y1 = TYPE_INFO_COORDINATES[i][1];
- matrix->Set(x1, y1, bit);
- if (i < 8) {
- int32_t x2 = matrix->GetWidth() - i - 1;
- int32_t y2 = 8;
- matrix->Set(x2, y2, bit);
- } else {
- int32_t x2 = 8;
- int32_t y2 = matrix->GetHeight() - 7 + (i - 8);
- matrix->Set(x2, y2, bit);
- }
+int32_t FindMSBSet(int32_t value) {
+ int32_t numDigits = 0;
+ while (value != 0) {
+ value >>= 1;
+ ++numDigits;
}
+ return numDigits;
}
-void CBC_QRCoderMatrixUtil::MaybeEmbedVersionInfo(int32_t version,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+void ClearMatrix(CBC_CommonByteMatrix* matrix, int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
}
- if (version < 7) {
- return;
- }
- CBC_QRCoderBitVector versionInfoBits;
- MakeVersionInfoBits(version, &versionInfoBits, e);
- if (e != BCExceptionNO)
- return;
- int32_t bitIndex = 6 * 3 - 1;
- for (int32_t i = 0; i < 6; i++) {
- for (int32_t j = 0; j < 3; j++) {
- int32_t bit = versionInfoBits.At(bitIndex, e);
- if (e != BCExceptionNO)
- return;
- bitIndex--;
- matrix->Set(i, matrix->GetHeight() - 11 + j, bit);
- matrix->Set(matrix->GetHeight() - 11 + j, i, bit);
- }
- }
+ matrix->clear((uint8_t)-1);
}
-void CBC_QRCoderMatrixUtil::EmbedDataBits(CBC_QRCoderBitVector* dataBits,
- int32_t maskPattern,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedDataBits(CBC_QRCoderBitVector* dataBits,
+ int32_t maskPattern,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix || !dataBits) {
e = BCExceptionNullPointer;
return;
@@ -247,7 +156,8 @@ void CBC_QRCoderMatrixUtil::EmbedDataBits(CBC_QRCoderBitVector* dataBits,
return;
}
}
-int32_t CBC_QRCoderMatrixUtil::CalculateBCHCode(int32_t value, int32_t poly) {
+
+int32_t CalculateBCHCode(int32_t value, int32_t poly) {
int32_t msbSetInPoly = FindMSBSet(poly);
value <<= msbSetInPoly - 1;
while (FindMSBSet(value) >= msbSetInPoly) {
@@ -255,11 +165,11 @@ int32_t CBC_QRCoderMatrixUtil::CalculateBCHCode(int32_t value, int32_t poly) {
}
return value;
}
-void CBC_QRCoderMatrixUtil::MakeTypeInfoBits(
- const CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t maskPattern,
- CBC_QRCoderBitVector* bits,
- int32_t& e) {
+
+void MakeTypeInfoBits(const CBC_QRCoderErrorCorrectionLevel* ecLevel,
+ int32_t maskPattern,
+ CBC_QRCoderBitVector* bits,
+ int32_t& e) {
if (!bits) {
e = BCExceptionNullPointer;
return;
@@ -281,9 +191,9 @@ void CBC_QRCoderMatrixUtil::MakeTypeInfoBits(
ASSERT(bits->Size() == 15);
}
-void CBC_QRCoderMatrixUtil::MakeVersionInfoBits(int32_t version,
- CBC_QRCoderBitVector* bits,
- int32_t& e) {
+void MakeVersionInfoBits(int32_t version,
+ CBC_QRCoderBitVector* bits,
+ int32_t& e) {
if (!bits) {
e = BCExceptionNullPointer;
return;
@@ -295,16 +205,66 @@ void CBC_QRCoderMatrixUtil::MakeVersionInfoBits(int32_t version,
ASSERT(bits->Size() == 18);
}
-bool CBC_QRCoderMatrixUtil::IsEmpty(int32_t value) {
- return (uint8_t)value == 0xff;
+void EmbedTypeInfo(const CBC_QRCoderErrorCorrectionLevel* ecLevel,
+ int32_t maskPattern,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
+ if (!matrix) {
+ e = BCExceptionNullPointer;
+ return;
+ }
+ CBC_QRCoderBitVector typeInfoBits;
+ MakeTypeInfoBits(ecLevel, maskPattern, &typeInfoBits, e);
+ if (e != BCExceptionNO)
+ return;
+
+ for (size_t i = 0; i < typeInfoBits.Size(); i++) {
+ int32_t bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e);
+ if (e != BCExceptionNO)
+ return;
+ int32_t x1 = TYPE_INFO_COORDINATES[i][0];
+ int32_t y1 = TYPE_INFO_COORDINATES[i][1];
+ matrix->Set(x1, y1, bit);
+ if (i < 8) {
+ int32_t x2 = matrix->GetWidth() - i - 1;
+ int32_t y2 = 8;
+ matrix->Set(x2, y2, bit);
+ } else {
+ int32_t x2 = 8;
+ int32_t y2 = matrix->GetHeight() - 7 + (i - 8);
+ matrix->Set(x2, y2, bit);
+ }
+ }
}
-bool CBC_QRCoderMatrixUtil::IsValidValue(int32_t value) {
- return ((uint8_t)value == 0xff || (uint8_t)value == 0x00 ||
- (uint8_t)value == 0x01);
+
+void MaybeEmbedVersionInfo(int32_t version,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
+ if (!matrix) {
+ e = BCExceptionNullPointer;
+ return;
+ }
+ if (version < 7) {
+ return;
+ }
+ CBC_QRCoderBitVector versionInfoBits;
+ MakeVersionInfoBits(version, &versionInfoBits, e);
+ if (e != BCExceptionNO)
+ return;
+ int32_t bitIndex = 6 * 3 - 1;
+ for (int32_t i = 0; i < 6; i++) {
+ for (int32_t j = 0; j < 3; j++) {
+ int32_t bit = versionInfoBits.At(bitIndex, e);
+ if (e != BCExceptionNO)
+ return;
+ bitIndex--;
+ matrix->Set(i, matrix->GetHeight() - 11 + j, bit);
+ matrix->Set(matrix->GetHeight() - 11 + j, i, bit);
+ }
+ }
}
-void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+void EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -327,9 +287,8 @@ void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix,
}
}
}
-void CBC_QRCoderMatrixUtil::EmbedDarkDotAtLeftBottomCorner(
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedDarkDotAtLeftBottomCorner(CBC_CommonByteMatrix* matrix, int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -340,11 +299,11 @@ void CBC_QRCoderMatrixUtil::EmbedDarkDotAtLeftBottomCorner(
}
matrix->Set(8, matrix->GetHeight() - 8, 1);
}
-void CBC_QRCoderMatrixUtil::EmbedHorizontalSeparationPattern(
- int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedHorizontalSeparationPattern(int32_t xStart,
+ int32_t yStart,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -357,11 +316,11 @@ void CBC_QRCoderMatrixUtil::EmbedHorizontalSeparationPattern(
matrix->Set(xStart + x, yStart, 0);
}
}
-void CBC_QRCoderMatrixUtil::EmbedVerticalSeparationPattern(
- int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedVerticalSeparationPattern(int32_t xStart,
+ int32_t yStart,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -374,11 +333,11 @@ void CBC_QRCoderMatrixUtil::EmbedVerticalSeparationPattern(
matrix->Set(xStart, yStart + y, 0);
}
}
-void CBC_QRCoderMatrixUtil::EmbedPositionAdjustmentPattern(
- int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedPositionAdjustmentPattern(int32_t xStart,
+ int32_t yStart,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
if (e != BCExceptionNO)
@@ -394,11 +353,11 @@ void CBC_QRCoderMatrixUtil::EmbedPositionAdjustmentPattern(
}
}
}
-void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPattern(
- int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedPositionDetectionPattern(int32_t xStart,
+ int32_t yStart,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -413,9 +372,9 @@ void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPattern(
}
}
}
-void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPatternsAndSeparators(
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void EmbedPositionDetectionPatternsAndSeparators(CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -454,10 +413,10 @@ void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPatternsAndSeparators(
if (e != BCExceptionNO)
return;
}
-void CBC_QRCoderMatrixUtil::MaybeEmbedPositionAdjustmentPatterns(
- int32_t version,
- CBC_CommonByteMatrix* matrix,
- int32_t& e) {
+
+void MaybeEmbedPositionAdjustmentPatterns(int32_t version,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
if (!matrix) {
e = BCExceptionNullPointer;
return;
@@ -484,13 +443,54 @@ void CBC_QRCoderMatrixUtil::MaybeEmbedPositionAdjustmentPatterns(
}
}
}
-int32_t CBC_QRCoderMatrixUtil::FindMSBSet(int32_t value) {
- int32_t numDigits = 0;
- while (value != 0) {
- value >>= 1;
- ++numDigits;
+
+void EmbedBasicPatterns(int32_t version,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
+ if (!matrix) {
+ e = BCExceptionNullPointer;
+ return;
}
- return numDigits;
+ EmbedPositionDetectionPatternsAndSeparators(matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ EmbedDarkDotAtLeftBottomCorner(matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ MaybeEmbedPositionAdjustmentPatterns(version, matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ EmbedTimingPatterns(matrix, e);
+ if (e != BCExceptionNO)
+ return;
+}
+
+} // namespace
+
+void CBC_QRCoderMatrixUtil::BuildMatrix(
+ CBC_QRCoderBitVector* dataBits,
+ const CBC_QRCoderErrorCorrectionLevel* ecLevel,
+ int32_t version,
+ int32_t maskPattern,
+ CBC_CommonByteMatrix* matrix,
+ int32_t& e) {
+ if (!matrix) {
+ e = BCExceptionNullPointer;
+ return;
+ }
+ ClearMatrix(matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ EmbedBasicPatterns(version, matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ EmbedTypeInfo(ecLevel, maskPattern, matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ MaybeEmbedVersionInfo(version, matrix, e);
+ if (e != BCExceptionNO)
+ return;
+ EmbedDataBits(dataBits, maskPattern, matrix, e);
+ if (e != BCExceptionNO)
+ return;
}
-CBC_QRCoderMatrixUtil::CBC_QRCoderMatrixUtil() {}
-CBC_QRCoderMatrixUtil::~CBC_QRCoderMatrixUtil() {}
diff --git a/fxbarcode/qrcode/BC_QRCoderMatrixUtil.h b/fxbarcode/qrcode/BC_QRCoderMatrixUtil.h
index c6af3f25f2..3a286ef2fb 100644
--- a/fxbarcode/qrcode/BC_QRCoderMatrixUtil.h
+++ b/fxbarcode/qrcode/BC_QRCoderMatrixUtil.h
@@ -13,65 +13,15 @@ class CBC_QRCoderBitVector;
class CBC_QRCoderMatrixUtil {
public:
- CBC_QRCoderMatrixUtil();
- virtual ~CBC_QRCoderMatrixUtil();
- static void ClearMatrix(CBC_CommonByteMatrix* matrix, int32_t& e);
+ CBC_QRCoderMatrixUtil() = delete;
+ ~CBC_QRCoderMatrixUtil() = delete;
+
static void BuildMatrix(CBC_QRCoderBitVector* dataBits,
const CBC_QRCoderErrorCorrectionLevel* ecLevel,
int32_t version,
int32_t maskPattern,
CBC_CommonByteMatrix* matrix,
int32_t& e);
- static void EmbedBasicPatterns(int32_t version,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedTypeInfo(const CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t maskPattern,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedDataBits(CBC_QRCoderBitVector* dataBits,
- int32_t maskPattern,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void MaybeEmbedVersionInfo(int32_t version,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static int32_t FindMSBSet(int32_t value);
- static int32_t CalculateBCHCode(int32_t code, int32_t poly);
- static void MakeTypeInfoBits(const CBC_QRCoderErrorCorrectionLevel* ecLevel,
- int32_t maskPattern,
- CBC_QRCoderBitVector* bits,
- int32_t& e);
- static void MakeVersionInfoBits(int32_t version,
- CBC_QRCoderBitVector* bits,
- int32_t& e);
- static bool IsEmpty(int32_t value);
- static bool IsValidValue(int32_t value);
- static void EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, int32_t& e);
- static void EmbedDarkDotAtLeftBottomCorner(CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedHorizontalSeparationPattern(int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedVerticalSeparationPattern(int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedPositionAdjustmentPattern(int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedPositionDetectionPattern(int32_t xStart,
- int32_t yStart,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void EmbedPositionDetectionPatternsAndSeparators(
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
- static void MaybeEmbedPositionAdjustmentPatterns(int32_t version,
- CBC_CommonByteMatrix* matrix,
- int32_t& e);
};
#endif // FXBARCODE_QRCODE_BC_QRCODERMATRIXUTIL_H_