Move xfa/src up to xfa/.

xfa/src/fxbarcode/qrcode/BC_QRGridSampler.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-// Original code is licensed as follows:
-/*
- * Copyright 2007 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "xfa/src/fxbarcode/qrcode/BC_QRGridSampler.h"
-
-#include <memory>
-
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h"
-#include "xfa/src/fxbarcode/utils.h"
-
-CBC_QRGridSampler CBC_QRGridSampler::m_gridSampler;
-
-CBC_QRGridSampler::CBC_QRGridSampler() {}
-CBC_QRGridSampler::~CBC_QRGridSampler() {}
-CBC_QRGridSampler& CBC_QRGridSampler::GetInstance() {
-  return m_gridSampler;
-}
-void CBC_QRGridSampler::CheckAndNudgePoints(CBC_CommonBitMatrix* image,
-                                            CFX_FloatArray* points,
-                                            int32_t& e) {
-  int32_t width = image->GetWidth();
-  int32_t height = image->GetHeight();
-  FX_BOOL nudged = TRUE;
-  int32_t offset;
-  for (offset = 0; offset < points->GetSize() && nudged; offset += 2) {
-    int32_t x = (int32_t)(*points)[offset];
-    int32_t y = (int32_t)(*points)[offset + 1];
-    if (x < -1 || x > width || y < -1 || y > height) {
-      e = BCExceptionRead;
-      BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    nudged = FALSE;
-    if (x == -1) {
-      (*points)[offset] = 0.0f;
-      nudged = TRUE;
-    } else if (x == width) {
-      (*points)[offset] = (FX_FLOAT)(width - 1);
-      nudged = TRUE;
-    }
-    if (y == -1) {
-      (*points)[offset + 1] = 0.0f;
-      nudged = TRUE;
-    } else if (y == height) {
-      (*points)[offset + 1] = (FX_FLOAT)(height - 1);
-      nudged = TRUE;
-    }
-  }
-  nudged = TRUE;
-  for (offset = (*points).GetSize() - 2; offset >= 0 && nudged; offset -= 2) {
-    int32_t x = (int32_t)(*points)[offset];
-    int32_t y = (int32_t)(*points)[offset + 1];
-    if (x < -1 || x > width || y < -1 || y > height) {
-      e = BCExceptionRead;
-      BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    nudged = FALSE;
-    if (x == -1) {
-      (*points)[offset] = 0.0f;
-      nudged = TRUE;
-    } else if (x == width) {
-      (*points)[offset] = (FX_FLOAT)(width - 1);
-      nudged = TRUE;
-    }
-    if (y == -1) {
-      (*points)[offset + 1] = 0.0f;
-      nudged = TRUE;
-    } else if (y == height) {
-      (*points)[offset + 1] = (FX_FLOAT)(height - 1);
-      nudged = TRUE;
-    }
-  }
-}
-CBC_CommonBitMatrix* CBC_QRGridSampler::SampleGrid(CBC_CommonBitMatrix* image,
-                                                   int32_t dimensionX,
-                                                   int32_t dimensionY,
-                                                   FX_FLOAT p1ToX,
-                                                   FX_FLOAT p1ToY,
-                                                   FX_FLOAT p2ToX,
-                                                   FX_FLOAT p2ToY,
-                                                   FX_FLOAT p3ToX,
-                                                   FX_FLOAT p3ToY,
-                                                   FX_FLOAT p4ToX,
-                                                   FX_FLOAT p4ToY,
-                                                   FX_FLOAT p1FromX,
-                                                   FX_FLOAT p1FromY,
-                                                   FX_FLOAT p2FromX,
-                                                   FX_FLOAT p2FromY,
-                                                   FX_FLOAT p3FromX,
-                                                   FX_FLOAT p3FromY,
-                                                   FX_FLOAT p4FromX,
-                                                   FX_FLOAT p4FromY,
-                                                   int32_t& e) {
-  std::unique_ptr<CBC_CommonPerspectiveTransform> transform(
-      CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(
-          p1ToX, p1ToY, p2ToX, p2ToY, p3ToX, p3ToY, p4ToX, p4ToY, p1FromX,
-          p1FromY, p2FromX, p2FromY, p3FromX, p3FromY, p4FromX, p4FromY));
-  std::unique_ptr<CBC_CommonBitMatrix> bits(new CBC_CommonBitMatrix());
-  bits->Init(dimensionX, dimensionY);
-  CFX_FloatArray points;
-  points.SetSize(dimensionX << 1);
-  for (int32_t y = 0; y < dimensionY; y++) {
-    int32_t max = points.GetSize();
-    FX_FLOAT iValue = (FX_FLOAT)(y + 0.5f);
-    int32_t x;
-    for (x = 0; x < max; x += 2) {
-      points[x] = (FX_FLOAT)((x >> 1) + 0.5f);
-      points[x + 1] = iValue;
-    }
-    transform->TransformPoints(&points);
-    CheckAndNudgePoints(image, &points, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    for (x = 0; x < max; x += 2) {
-      if (image->Get((int32_t)points[x], (int32_t)points[x + 1])) {
-        bits->Set(x >> 1, y);
-      }
-    }
-  }
-  return bits.release();
-}