Remove unused barcode matrix scaling code.

Change-Id: Id15088a40fd308ba91317e95a6fa8075e7306608
Reviewed-on: https://pdfium-review.googlesource.com/40992
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>

4 files changed, 3 insertions, 23 deletions

diff --git a/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.cpp b/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.cpp
index 58357b22de..4fc55a2d10 100644
--- a/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.cpp
+++ b/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.cpp
@@ -43,25 +43,16 @@ void CBC_BarcodeMatrix::nextRow() {
 }
 
 std::vector<uint8_t>& CBC_BarcodeMatrix::getMatrix() {
-  return getScaledMatrix(1, 1);
-}
-
-std::vector<uint8_t>& CBC_BarcodeMatrix::getScaledMatrix(int32_t scale) {
-  return getScaledMatrix(scale, scale);
-}
-
-std::vector<uint8_t>& CBC_BarcodeMatrix::getScaledMatrix(int32_t xScale,
-                                                         int32_t yScale) {
-  size_t yMax = m_height * yScale;
-  std::vector<uint8_t> bytearray = m_matrix[0]->getScaledRow(xScale);
+  std::vector<uint8_t> bytearray = m_matrix[0]->getRow();
   size_t xMax = bytearray.size();
+  size_t yMax = m_height;
   m_matrixOut.resize(xMax * yMax);
   m_outWidth = xMax;
   m_outHeight = yMax;
   int32_t k = 0;
   for (size_t i = 0; i < yMax; i++) {
     if (i != 0)
-      bytearray = m_matrix[i / yScale]->getScaledRow(xScale);
+      bytearray = m_matrix[i]->getRow();
     k = i * xMax;
     for (size_t l = 0; l < xMax; l++)
       m_matrixOut[k + l] = bytearray[l];
diff --git a/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.h b/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.h
index 38744471ba..43906d8821 100644
--- a/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.h
+++ b/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.h
@@ -23,8 +23,6 @@ class CBC_BarcodeMatrix {
   int32_t getHeight() const { return m_outHeight; }
   void nextRow();
   std::vector<uint8_t>& getMatrix();
-  std::vector<uint8_t>& getScaledMatrix(int32_t scale);
-  std::vector<uint8_t>& getScaledMatrix(int32_t xScale, int32_t yScale);
 
  private:
   std::vector<std::unique_ptr<CBC_BarcodeRow>> m_matrix;
diff --git a/fxbarcode/pdf417/BC_PDF417BarcodeRow.cpp b/fxbarcode/pdf417/BC_PDF417BarcodeRow.cpp
index ee54a273dd..65c27de7e7 100644
--- a/fxbarcode/pdf417/BC_PDF417BarcodeRow.cpp
+++ b/fxbarcode/pdf417/BC_PDF417BarcodeRow.cpp
@@ -37,10 +37,3 @@ void CBC_BarcodeRow::addBar(bool black, int32_t width) {
 std::vector<uint8_t>& CBC_BarcodeRow::getRow() {
   return m_row;
 }
-
-std::vector<uint8_t>& CBC_BarcodeRow::getScaledRow(int32_t scale) {
-  m_output.resize(m_row.size() * scale);
-  for (size_t i = 0; i < m_output.size(); i++)
-    m_output[i] = m_row[i / scale];
-  return m_output;
-}
diff --git a/fxbarcode/pdf417/BC_PDF417BarcodeRow.h b/fxbarcode/pdf417/BC_PDF417BarcodeRow.h
index a07d5770b3..4709420111 100644
--- a/fxbarcode/pdf417/BC_PDF417BarcodeRow.h
+++ b/fxbarcode/pdf417/BC_PDF417BarcodeRow.h
@@ -18,11 +18,9 @@ class CBC_BarcodeRow {
 
   void addBar(bool black, int32_t width);
   std::vector<uint8_t>& getRow();
-  std::vector<uint8_t>& getScaledRow(int32_t scale);
 
  private:
   std::vector<uint8_t> m_row;
-  std::vector<uint8_t> m_output;
   int32_t m_currentLocation;
 };