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Diffstat (limited to 'xfa/fxbarcode/common/BC_CommonPerspectiveTransform.cpp')
| -rw-r--r-- | xfa/fxbarcode/common/BC_CommonPerspectiveTransform.cpp | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.cpp b/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.cpp deleted file mode 100644 index d84ed6163d..0000000000 --- a/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.cpp +++ /dev/null @@ -1,152 +0,0 @@ -// 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/fxbarcode/common/BC_CommonPerspectiveTransform.h" - -#include <memory> - -#include "core/fxcrt/include/fx_basic.h" -#include "xfa/fxbarcode/utils.h" - -CBC_CommonPerspectiveTransform::CBC_CommonPerspectiveTransform(FX_FLOAT a11, - FX_FLOAT a21, - FX_FLOAT a31, - FX_FLOAT a12, - FX_FLOAT a22, - FX_FLOAT a32, - FX_FLOAT a13, - FX_FLOAT a23, - FX_FLOAT a33) - : m_a11(a11), - m_a12(a12), - m_a13(a13), - m_a21(a21), - m_a22(a22), - m_a23(a23), - m_a31(a31), - m_a32(a32), - m_a33(a33) {} -CBC_CommonPerspectiveTransform::~CBC_CommonPerspectiveTransform() {} -CBC_CommonPerspectiveTransform* -CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(FX_FLOAT x0, - FX_FLOAT y0, - FX_FLOAT x1, - FX_FLOAT y1, - FX_FLOAT x2, - FX_FLOAT y2, - FX_FLOAT x3, - FX_FLOAT y3, - FX_FLOAT x0p, - FX_FLOAT y0p, - FX_FLOAT x1p, - FX_FLOAT y1p, - FX_FLOAT x2p, - FX_FLOAT y2p, - FX_FLOAT x3p, - FX_FLOAT y3p) { - std::unique_ptr<CBC_CommonPerspectiveTransform> qToS( - QuadrilateralToSquare(x0, y0, x1, y1, x2, y2, x3, y3)); - std::unique_ptr<CBC_CommonPerspectiveTransform> sToQ( - SquareToQuadrilateral(x0p, y0p, x1p, y1p, x2p, y2p, x3p, y3p)); - return sToQ->Times(*(qToS.get())); -} -void CBC_CommonPerspectiveTransform::TransformPoints(CFX_FloatArray* points) { - int32_t max = points->GetSize(); - FX_FLOAT a11 = m_a11; - FX_FLOAT a12 = m_a12; - FX_FLOAT a13 = m_a13; - FX_FLOAT a21 = m_a21; - FX_FLOAT a22 = m_a22; - FX_FLOAT a23 = m_a23; - FX_FLOAT a31 = m_a31; - FX_FLOAT a32 = m_a32; - FX_FLOAT a33 = m_a33; - int32_t i; - for (i = 0; i < max; i += 2) { - FX_FLOAT x = (*points)[i]; - FX_FLOAT y = (*points)[i + 1]; - FX_FLOAT denominator = a13 * x + a23 * y + a33; - (*points)[i] = (a11 * x + a21 * y + a31) / denominator; - (*points)[i + 1] = (a12 * x + a22 * y + a32) / denominator; - } -} -CBC_CommonPerspectiveTransform* -CBC_CommonPerspectiveTransform::SquareToQuadrilateral(FX_FLOAT x0, - FX_FLOAT y0, - FX_FLOAT x1, - FX_FLOAT y1, - FX_FLOAT x2, - FX_FLOAT y2, - FX_FLOAT x3, - FX_FLOAT y3) { - FX_FLOAT dy2 = y3 - y2; - FX_FLOAT dy3 = y0 - y1 + y2 - y3; - if ((dy2 == 0.0f) && (dy3 == 0.0f)) { - return new CBC_CommonPerspectiveTransform(x1 - x0, x2 - x1, x0, y1 - y0, - y2 - y1, y0, 0.0f, 0.0f, 1.0f); - } else { - FX_FLOAT dx1 = x1 - x2; - FX_FLOAT dx2 = x3 - x2; - FX_FLOAT dx3 = x0 - x1 + x2 - x3; - FX_FLOAT dy1 = y1 - y2; - FX_FLOAT denominator = dx1 * dy2 - dx2 * dy1; - FX_FLOAT a13 = (dx3 * dy2 - dx2 * dy3) / denominator; - FX_FLOAT a23 = (dx1 * dy3 - dx3 * dy1) / denominator; - return new CBC_CommonPerspectiveTransform( - x1 - x0 + a13 * x1, x3 - x0 + a23 * x3, x0, y1 - y0 + a13 * y1, - y3 - y0 + a23 * y3, y0, a13, a23, 1.0f); - } -} -CBC_CommonPerspectiveTransform* -CBC_CommonPerspectiveTransform::QuadrilateralToSquare(FX_FLOAT x0, - FX_FLOAT y0, - FX_FLOAT x1, - FX_FLOAT y1, - FX_FLOAT x2, - FX_FLOAT y2, - FX_FLOAT x3, - FX_FLOAT y3) { - std::unique_ptr<CBC_CommonPerspectiveTransform> temp1( - SquareToQuadrilateral(x0, y0, x1, y1, x2, y2, x3, y3)); - return temp1->BuildAdjoint(); -} -CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::BuildAdjoint() { - return new CBC_CommonPerspectiveTransform( - m_a22 * m_a33 - m_a23 * m_a32, m_a23 * m_a31 - m_a21 * m_a33, - m_a21 * m_a32 - m_a22 * m_a31, m_a13 * m_a32 - m_a12 * m_a33, - m_a11 * m_a33 - m_a13 * m_a31, m_a12 * m_a31 - m_a11 * m_a32, - m_a12 * m_a23 - m_a13 * m_a22, m_a13 * m_a21 - m_a11 * m_a23, - m_a11 * m_a22 - m_a12 * m_a21); -} -CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::Times( - CBC_CommonPerspectiveTransform& other) { - return new CBC_CommonPerspectiveTransform( - m_a11 * other.m_a11 + m_a21 * other.m_a12 + m_a31 * other.m_a13, - m_a11 * other.m_a21 + m_a21 * other.m_a22 + m_a31 * other.m_a23, - m_a11 * other.m_a31 + m_a21 * other.m_a32 + m_a31 * other.m_a33, - m_a12 * other.m_a11 + m_a22 * other.m_a12 + m_a32 * other.m_a13, - m_a12 * other.m_a21 + m_a22 * other.m_a22 + m_a32 * other.m_a23, - m_a12 * other.m_a31 + m_a22 * other.m_a32 + m_a32 * other.m_a33, - m_a13 * other.m_a11 + m_a23 * other.m_a12 + m_a33 * other.m_a13, - m_a13 * other.m_a21 + m_a23 * other.m_a22 + m_a33 * other.m_a23, - m_a13 * other.m_a31 + m_a23 * other.m_a32 + m_a33 * other.m_a33); -} |