Organize barcode codes into modules.

xfa/src/fxbarcode/src/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 "barcode.h"
-#include "include/BC_CommonPerspectiveTransform.h"
-#include "include/BC_CommonBitMatrix.h"
-#include "include/BC_QRGridSampler.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, FX_INT32 &e)
-{
-    FX_INT32 width = image->GetWidth();
-    FX_INT32 height = image->GetHeight();
-    FX_BOOL nudged = TRUE;
-    FX_INT32 offset;
-    for (offset = 0; offset < points->GetSize() && nudged; offset += 2) {
-        FX_INT32 x = (FX_INT32) (*points)[offset];
-        FX_INT32 y = (FX_INT32) (*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) {
-        FX_INT32 x = (FX_INT32) (*points)[offset];
-        FX_INT32 y = (FX_INT32) (*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, FX_INT32 dimensionX, FX_INT32 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, FX_INT32 &e)
-{
-    CBC_AutoPtr<CBC_CommonPerspectiveTransform> transform(CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(
-                p1ToX, p1ToY, p2ToX, p2ToY, p3ToX, p3ToY, p4ToX, p4ToY,
-                p1FromX, p1FromY, p2FromX, p2FromY, p3FromX, p3FromY, p4FromX, p4FromY));
-    CBC_CommonBitMatrix *tempBitM = FX_NEW CBC_CommonBitMatrix();
-    tempBitM->Init(dimensionX, dimensionY);
-    CBC_AutoPtr<CBC_CommonBitMatrix> bits(tempBitM);
-    CFX_FloatArray points;
-    points.SetSize(dimensionX << 1);
-    for (FX_INT32 y = 0; y < dimensionY; y++) {
-        FX_INT32 max = points.GetSize();
-        FX_FLOAT iValue = (FX_FLOAT) (y + 0.5f);
-        FX_INT32 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((FX_INT32) points[x], (FX_INT32) points[x + 1])) {
-                bits->Set(x >> 1, y);
-            }
-        }
-    }
-    return bits.release();
-}