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path: root/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp
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Diffstat (limited to 'xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp')
-rw-r--r--xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp82
1 files changed, 41 insertions, 41 deletions
diff --git a/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp
index 7ef1671d98..5976d450d9 100644
--- a/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp
+++ b/xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.cpp
@@ -26,19 +26,19 @@
#include "BC_CommonBitMatrix.h"
#include "BC_CommonBitArray.h"
#include "BC_GlobalHistogramBinarizer.h"
-const FX_INT32 LUMINANCE_BITS = 5;
-const FX_INT32 LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
-const FX_INT32 LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
+const int32_t LUMINANCE_BITS = 5;
+const int32_t LUMINANCE_SHIFT = 8 - LUMINANCE_BITS;
+const int32_t LUMINANCE_BUCKETS = 1 << LUMINANCE_BITS;
CBC_GlobalHistogramBinarizer::CBC_GlobalHistogramBinarizer(CBC_LuminanceSource *source): CBC_Binarizer(source)
{
}
CBC_GlobalHistogramBinarizer::~CBC_GlobalHistogramBinarizer()
{
}
-CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(FX_INT32 y, CBC_CommonBitArray *row, FX_INT32 &e)
+CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(int32_t y, CBC_CommonBitArray *row, int32_t &e)
{
CBC_LuminanceSource *source = GetLuminanceSource();
- FX_INT32 width = source->GetWidth();
+ int32_t width = source->GetWidth();
CBC_AutoPtr<CBC_CommonBitArray> result(FX_NEW CBC_CommonBitArray(width));
InitArrays(width);
CFX_ByteArray *localLuminances = source->GetRow(y, m_luminance, e);
@@ -47,20 +47,20 @@ CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(FX_INT32 y, CBC_Co
}
CFX_Int32Array localBuckets;
localBuckets.Copy(m_buckets);
- FX_INT32 x;
+ int32_t x;
for (x = 0; x < width; x++) {
- FX_INT32 pixel = (*localLuminances)[x] & 0xff;
+ int32_t pixel = (*localLuminances)[x] & 0xff;
localBuckets[pixel >> LUMINANCE_SHIFT]++;
}
- FX_INT32 blackPoint = EstimateBlackPoint(localBuckets, e);
+ int32_t blackPoint = EstimateBlackPoint(localBuckets, e);
if (e != BCExceptionNO) {
return result.release();
}
- FX_INT32 left = (*localLuminances)[0] & 0xff;
- FX_INT32 center = (*localLuminances)[1] & 0xff;
+ int32_t left = (*localLuminances)[0] & 0xff;
+ int32_t center = (*localLuminances)[1] & 0xff;
for (x = 1; x < width - 1; x++) {
- FX_INT32 right = (*localLuminances)[x + 1] & 0xff;
- FX_INT32 luminance = ((center << 2) - left - right) >> 1;
+ int32_t right = (*localLuminances)[x + 1] & 0xff;
+ int32_t luminance = ((center << 2) - left - right) >> 1;
if (luminance < blackPoint) {
result->Set(x);
}
@@ -69,36 +69,36 @@ CBC_CommonBitArray *CBC_GlobalHistogramBinarizer::GetBlackRow(FX_INT32 y, CBC_Co
}
return result.release();
}
-CBC_CommonBitMatrix *CBC_GlobalHistogramBinarizer::GetBlackMatrix(FX_INT32 &e)
+CBC_CommonBitMatrix *CBC_GlobalHistogramBinarizer::GetBlackMatrix(int32_t &e)
{
CBC_LuminanceSource *source = GetLuminanceSource();
- FX_INT32 width = source->GetWidth();
- FX_INT32 height = source->GetHeight();
+ int32_t width = source->GetWidth();
+ int32_t height = source->GetHeight();
CBC_CommonBitMatrix *BitMatrixTemp = FX_NEW CBC_CommonBitMatrix();
BitMatrixTemp->Init(width, height);
CBC_AutoPtr<CBC_CommonBitMatrix> matrix(BitMatrixTemp);
InitArrays(width);
CFX_Int32Array localBuckets;
localBuckets.Copy(m_buckets);
- FX_INT32 y;
+ int32_t y;
for (y = 1; y < 5; y++) {
- FX_INT32 row = height * y / 5;
+ int32_t row = height * y / 5;
CFX_ByteArray *localLuminances = source->GetRow(row, m_luminance, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- FX_INT32 right = (width << 2) / 5;
- FX_INT32 x;
+ int32_t right = (width << 2) / 5;
+ int32_t x;
for (x = width / 5; x < right; x++) {
- FX_INT32 pixel = (*localLuminances)[x] & 0xff;
+ int32_t pixel = (*localLuminances)[x] & 0xff;
localBuckets[pixel >> LUMINANCE_SHIFT]++;
}
}
- FX_INT32 blackPoint = EstimateBlackPoint(localBuckets, e);
+ int32_t blackPoint = EstimateBlackPoint(localBuckets, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
CBC_AutoPtr<CFX_ByteArray> localLuminances(source->GetMatrix());
for (y = 0; y < height; y++) {
- FX_INT32 offset = y * width;
- for (FX_INT32 x = 0; x < width; x++) {
- FX_INT32 pixel = (*localLuminances)[offset + x] & 0xff;
+ int32_t offset = y * width;
+ for (int32_t x = 0; x < width; x++) {
+ int32_t pixel = (*localLuminances)[offset + x] & 0xff;
if (pixel < blackPoint) {
matrix->Set(x, y);
}
@@ -106,7 +106,7 @@ CBC_CommonBitMatrix *CBC_GlobalHistogramBinarizer::GetBlackMatrix(FX_INT32 &e)
}
return matrix.release();
}
-void CBC_GlobalHistogramBinarizer::InitArrays(FX_INT32 luminanceSize)
+void CBC_GlobalHistogramBinarizer::InitArrays(int32_t luminanceSize)
{
if(m_luminance.GetSize() < luminanceSize) {
m_luminance.SetSize(luminanceSize);
@@ -114,19 +114,19 @@ void CBC_GlobalHistogramBinarizer::InitArrays(FX_INT32 luminanceSize)
if(m_buckets.GetSize() <= 0) {
m_buckets.SetSize(LUMINANCE_BUCKETS);
} else {
- FX_INT32 x;
+ int32_t x;
for(x = 0; x < LUMINANCE_BUCKETS; x++) {
m_buckets[x] = 0;
}
}
}
-FX_INT32 CBC_GlobalHistogramBinarizer::EstimateBlackPoint(CFX_Int32Array &buckets, FX_INT32 &e)
+int32_t CBC_GlobalHistogramBinarizer::EstimateBlackPoint(CFX_Int32Array &buckets, int32_t &e)
{
- FX_INT32 numBuckets = buckets.GetSize();
- FX_INT32 maxBucketCount = 0;
- FX_INT32 firstPeak = 0;
- FX_INT32 firstPeakSize = 0;
- FX_INT32 x;
+ int32_t numBuckets = buckets.GetSize();
+ int32_t maxBucketCount = 0;
+ int32_t firstPeak = 0;
+ int32_t firstPeakSize = 0;
+ int32_t x;
for (x = 0; x < numBuckets; x++) {
if (buckets[x] > firstPeakSize) {
firstPeak = x;
@@ -136,18 +136,18 @@ FX_INT32 CBC_GlobalHistogramBinarizer::EstimateBlackPoint(CFX_Int32Array &bucket
maxBucketCount = buckets[x];
}
}
- FX_INT32 secondPeak = 0;
- FX_INT32 secondPeakScore = 0;
+ int32_t secondPeak = 0;
+ int32_t secondPeakScore = 0;
for (x = 0; x < numBuckets; x++) {
- FX_INT32 distanceToBiggest = x - firstPeak;
- FX_INT32 score = buckets[x] * distanceToBiggest * distanceToBiggest;
+ int32_t distanceToBiggest = x - firstPeak;
+ int32_t score = buckets[x] * distanceToBiggest * distanceToBiggest;
if (score > secondPeakScore) {
secondPeak = x;
secondPeakScore = score;
}
}
if (firstPeak > secondPeak) {
- FX_INT32 temp = firstPeak;
+ int32_t temp = firstPeak;
firstPeak = secondPeak;
secondPeak = temp;
}
@@ -155,11 +155,11 @@ FX_INT32 CBC_GlobalHistogramBinarizer::EstimateBlackPoint(CFX_Int32Array &bucket
e = BCExceptionRead;
return 0;
}
- FX_INT32 bestValley = secondPeak - 1;
- FX_INT32 bestValleyScore = -1;
+ int32_t bestValley = secondPeak - 1;
+ int32_t bestValleyScore = -1;
for (x = secondPeak - 1; x > firstPeak; x--) {
- FX_INT32 fromFirst = x - firstPeak;
- FX_INT32 score = fromFirst * fromFirst * (secondPeak - x) * (maxBucketCount - buckets[x]);
+ int32_t fromFirst = x - firstPeak;
+ int32_t score = fromFirst * fromFirst * (secondPeak - x) * (maxBucketCount - buckets[x]);
if (score > bestValleyScore) {
bestValley = x;
bestValleyScore = score;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 17:17:44 +0000