diff options
Diffstat (limited to 'xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.cpp | 325 |
1 files changed, 156 insertions, 169 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.cpp b/xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.cpp index f0e777c6eb..e63f0237ef 100644 --- a/xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.cpp +++ b/xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.cpp @@ -25,184 +25,171 @@ #include "BC_QRCoderErrorCorrectionLevel.h"
#include "BC_QRCoder.h"
#include "BC_QRCoderMaskUtil.h"
-CBC_QRCoderMaskUtil::CBC_QRCoderMaskUtil()
-{
+CBC_QRCoderMaskUtil::CBC_QRCoderMaskUtil() {}
+CBC_QRCoderMaskUtil::~CBC_QRCoderMaskUtil() {}
+int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule1(
+ CBC_CommonByteMatrix* matrix) {
+ return ApplyMaskPenaltyRule1Internal(matrix, TRUE) +
+ ApplyMaskPenaltyRule1Internal(matrix, FALSE);
}
-CBC_QRCoderMaskUtil::~CBC_QRCoderMaskUtil()
-{
-}
-int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule1(CBC_CommonByteMatrix* matrix)
-{
- return ApplyMaskPenaltyRule1Internal(matrix, TRUE) +
- ApplyMaskPenaltyRule1Internal(matrix, FALSE);
-}
-int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule2(CBC_CommonByteMatrix* matrix)
-{
- int32_t penalty = 0;
- uint8_t* array = matrix->GetArray();
- int32_t width = matrix->GetWidth();
- int32_t height = matrix->GetHeight();
- for(int32_t y = 0; y < height - 1; y++) {
- for(int32_t x = 0; x < width - 1; x++) {
- int32_t value = array[y * width + x];
- if(value == array[y * width + x + 1] &&
- value == array[(y + 1) * width + x] &&
- value == array[(y + 1) * width + x + 1]) {
- penalty ++;
- }
- }
+int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule2(
+ CBC_CommonByteMatrix* matrix) {
+ int32_t penalty = 0;
+ uint8_t* array = matrix->GetArray();
+ int32_t width = matrix->GetWidth();
+ int32_t height = matrix->GetHeight();
+ for (int32_t y = 0; y < height - 1; y++) {
+ for (int32_t x = 0; x < width - 1; x++) {
+ int32_t value = array[y * width + x];
+ if (value == array[y * width + x + 1] &&
+ value == array[(y + 1) * width + x] &&
+ value == array[(y + 1) * width + x + 1]) {
+ penalty++;
+ }
}
- return 3 * penalty;
+ }
+ return 3 * penalty;
}
-int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule3(CBC_CommonByteMatrix* matrix)
-{
- int32_t penalty = 0;
- uint8_t* array = matrix->GetArray();
- int32_t width = matrix->GetWidth();
- int32_t height = matrix->GetHeight();
- for (int32_t y = 0; y < height; ++y) {
- for (int32_t x = 0; x < width; ++x) {
- if (x == 0 && ((y >= 0 && y <= 6) || (y >= height - 7 && y <= height - 1))) {
- continue;
- }
- if (x == width - 7 && (y >= 0 && y <= 6)) {
- continue;
- }
- if (y == 0 && ((x >= 0 && x <= 6) || (x >= width - 7 && x <= width - 1))) {
- continue;
- }
- if (y == height - 7 && (x >= 0 && x <= 6)) {
- continue;
- }
- if (x + 6 < width &&
- array[y * width + x] == 1 &&
- array[y * width + x + 1] == 0 &&
- array[y * width + x + 2] == 1 &&
- array[y * width + x + 3] == 1 &&
- array[y * width + x + 4] == 1 &&
- array[y * width + x + 5] == 0 &&
- array[y * width + x + 6] == 1 &&
- ((x + 10 < width &&
- array[y * width + x + 7] == 0 &&
- array[y * width + x + 8] == 0 &&
- array[y * width + x + 9] == 0 &&
- array[y * width + x + 10] == 0) ||
- (x - 4 >= 0 &&
- array[y * width + x - 1] == 0 &&
- array[y * width + x - 2] == 0 &&
- array[y * width + x - 3] == 0 &&
- array[y * width + x - 4] == 0))) {
- penalty += 40;
- }
- if (y + 6 < height &&
- array[y * width + x] == 1 &&
- array[(y + 1) * width + x] == 0 &&
- array[(y + 2) * width + x] == 1 &&
- array[(y + 3) * width + x] == 1 &&
- array[(y + 4) * width + x] == 1 &&
- array[(y + 5) * width + x] == 0 &&
- array[(y + 6) * width + x] == 1 &&
- ((y + 10 < height &&
- array[(y + 7) * width + x] == 0 &&
- array[(y + 8) * width + x] == 0 &&
- array[(y + 9) * width + x] == 0 &&
- array[(y + 10) * width + x] == 0) ||
- (y - 4 >= 0 &&
- array[(y - 1) * width + x] == 0 &&
- array[(y - 2) * width + x] == 0 &&
- array[(y - 3) * width + x] == 0 &&
- array[(y - 4) * width + x] == 0))) {
- penalty += 40;
- }
- }
+int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule3(
+ CBC_CommonByteMatrix* matrix) {
+ int32_t penalty = 0;
+ uint8_t* array = matrix->GetArray();
+ int32_t width = matrix->GetWidth();
+ int32_t height = matrix->GetHeight();
+ for (int32_t y = 0; y < height; ++y) {
+ for (int32_t x = 0; x < width; ++x) {
+ if (x == 0 &&
+ ((y >= 0 && y <= 6) || (y >= height - 7 && y <= height - 1))) {
+ continue;
+ }
+ if (x == width - 7 && (y >= 0 && y <= 6)) {
+ continue;
+ }
+ if (y == 0 &&
+ ((x >= 0 && x <= 6) || (x >= width - 7 && x <= width - 1))) {
+ continue;
+ }
+ if (y == height - 7 && (x >= 0 && x <= 6)) {
+ continue;
+ }
+ if (x + 6 < width && array[y * width + x] == 1 &&
+ array[y * width + x + 1] == 0 && array[y * width + x + 2] == 1 &&
+ array[y * width + x + 3] == 1 && array[y * width + x + 4] == 1 &&
+ array[y * width + x + 5] == 0 && array[y * width + x + 6] == 1 &&
+ ((x + 10 < width && array[y * width + x + 7] == 0 &&
+ array[y * width + x + 8] == 0 && array[y * width + x + 9] == 0 &&
+ array[y * width + x + 10] == 0) ||
+ (x - 4 >= 0 && array[y * width + x - 1] == 0 &&
+ array[y * width + x - 2] == 0 && array[y * width + x - 3] == 0 &&
+ array[y * width + x - 4] == 0))) {
+ penalty += 40;
+ }
+ if (y + 6 < height && array[y * width + x] == 1 &&
+ array[(y + 1) * width + x] == 0 && array[(y + 2) * width + x] == 1 &&
+ array[(y + 3) * width + x] == 1 && array[(y + 4) * width + x] == 1 &&
+ array[(y + 5) * width + x] == 0 && array[(y + 6) * width + x] == 1 &&
+ ((y + 10 < height && array[(y + 7) * width + x] == 0 &&
+ array[(y + 8) * width + x] == 0 &&
+ array[(y + 9) * width + x] == 0 &&
+ array[(y + 10) * width + x] == 0) ||
+ (y - 4 >= 0 && array[(y - 1) * width + x] == 0 &&
+ array[(y - 2) * width + x] == 0 &&
+ array[(y - 3) * width + x] == 0 &&
+ array[(y - 4) * width + x] == 0))) {
+ penalty += 40;
+ }
}
- return penalty;
+ }
+ return penalty;
}
-int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule4(CBC_CommonByteMatrix* matrix)
-{
- int32_t numDarkCells = 0;
- uint8_t* array = matrix->GetArray();
- int32_t width = matrix->GetWidth();
- int32_t height = matrix->GetHeight();
- for (int32_t y = 0; y < height; ++y) {
- for (int32_t x = 0; x < width; ++x) {
- if (array[y * width + x] == 1) {
- numDarkCells += 1;
- }
- }
+int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule4(
+ CBC_CommonByteMatrix* matrix) {
+ int32_t numDarkCells = 0;
+ uint8_t* array = matrix->GetArray();
+ int32_t width = matrix->GetWidth();
+ int32_t height = matrix->GetHeight();
+ for (int32_t y = 0; y < height; ++y) {
+ for (int32_t x = 0; x < width; ++x) {
+ if (array[y * width + x] == 1) {
+ numDarkCells += 1;
+ }
}
- int32_t numTotalCells = matrix->GetHeight() * matrix->GetWidth();
- double darkRatio = (double) numDarkCells / numTotalCells;
- return abs( (int32_t) (darkRatio * 100 - 50) / 5 ) * 5 * 10;
+ }
+ int32_t numTotalCells = matrix->GetHeight() * matrix->GetWidth();
+ double darkRatio = (double)numDarkCells / numTotalCells;
+ return abs((int32_t)(darkRatio * 100 - 50) / 5) * 5 * 10;
}
-FX_BOOL CBC_QRCoderMaskUtil::GetDataMaskBit(int32_t maskPattern, int32_t x, int32_t y, int32_t &e)
-{
- if(!CBC_QRCoder::IsValidMaskPattern(maskPattern)) {
- e = (BCExceptionInvalidateMaskPattern);
- BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
- }
- int32_t intermediate = 0, temp = 0;
- switch(maskPattern) {
- case 0:
- intermediate = (y + x) & 0x1;
- break;
- case 1:
- intermediate = y & 0x1;
- break;
- case 2:
- intermediate = x % 3;
- break;
- case 3:
- intermediate = (y + x) % 3;
- break;
- case 4:
- intermediate = ((y >> 1) + (x / 3)) & 0x1;
- break;
- case 5:
- temp = y * x;
- intermediate = (temp & 0x1) + (temp % 3);
- break;
- case 6:
- temp = y * x;
- intermediate = (((temp & 0x1) + (temp % 3)) & 0x1);
- break;
- case 7:
- temp = y * x;
- intermediate = (((temp % 3) + ((y + x) & 0x1)) & 0x1);
- break;
- default: {
- e = BCExceptionInvalidateMaskPattern;
- BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
- }
+FX_BOOL CBC_QRCoderMaskUtil::GetDataMaskBit(int32_t maskPattern,
+ int32_t x,
+ int32_t y,
+ int32_t& e) {
+ if (!CBC_QRCoder::IsValidMaskPattern(maskPattern)) {
+ e = (BCExceptionInvalidateMaskPattern);
+ BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
+ }
+ int32_t intermediate = 0, temp = 0;
+ switch (maskPattern) {
+ case 0:
+ intermediate = (y + x) & 0x1;
+ break;
+ case 1:
+ intermediate = y & 0x1;
+ break;
+ case 2:
+ intermediate = x % 3;
+ break;
+ case 3:
+ intermediate = (y + x) % 3;
+ break;
+ case 4:
+ intermediate = ((y >> 1) + (x / 3)) & 0x1;
+ break;
+ case 5:
+ temp = y * x;
+ intermediate = (temp & 0x1) + (temp % 3);
+ break;
+ case 6:
+ temp = y * x;
+ intermediate = (((temp & 0x1) + (temp % 3)) & 0x1);
+ break;
+ case 7:
+ temp = y * x;
+ intermediate = (((temp % 3) + ((y + x) & 0x1)) & 0x1);
+ break;
+ default: {
+ e = BCExceptionInvalidateMaskPattern;
+ BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
}
- return intermediate == 0;
+ }
+ return intermediate == 0;
}
-int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule1Internal(CBC_CommonByteMatrix* matrix, FX_BOOL isHorizontal)
-{
- int32_t penalty = 0;
- int32_t numSameBitCells = 0;
- int32_t prevBit = -1;
- int32_t width = matrix->GetWidth();
- int32_t height = matrix->GetHeight();
- int32_t iLimit = isHorizontal ? height : width;
- int32_t jLimit = isHorizontal ? width : height;
- uint8_t* array = matrix->GetArray();
- for (int32_t i = 0; i < iLimit; ++i) {
- for (int32_t j = 0; j < jLimit; ++j) {
- int32_t bit = isHorizontal ? array[i * width + j] : array[j * width + i];
- if (bit == prevBit) {
- numSameBitCells += 1;
- if (numSameBitCells == 5) {
- penalty += 3;
- } else if (numSameBitCells > 5) {
- penalty += 1;
- }
- } else {
- numSameBitCells = 1;
- prevBit = bit;
- }
+int32_t CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule1Internal(
+ CBC_CommonByteMatrix* matrix,
+ FX_BOOL isHorizontal) {
+ int32_t penalty = 0;
+ int32_t numSameBitCells = 0;
+ int32_t prevBit = -1;
+ int32_t width = matrix->GetWidth();
+ int32_t height = matrix->GetHeight();
+ int32_t iLimit = isHorizontal ? height : width;
+ int32_t jLimit = isHorizontal ? width : height;
+ uint8_t* array = matrix->GetArray();
+ for (int32_t i = 0; i < iLimit; ++i) {
+ for (int32_t j = 0; j < jLimit; ++j) {
+ int32_t bit = isHorizontal ? array[i * width + j] : array[j * width + i];
+ if (bit == prevBit) {
+ numSameBitCells += 1;
+ if (numSameBitCells == 5) {
+ penalty += 3;
+ } else if (numSameBitCells > 5) {
+ penalty += 1;
}
- numSameBitCells = 0;
+ } else {
+ numSameBitCells = 1;
+ prevBit = bit;
+ }
}
- return penalty;
+ numSameBitCells = 0;
+ }
+ return penalty;
}
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