From 1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 14 Mar 2016 14:14:16 -0400 Subject: Move xfa/src up to xfa/. This CL moves the xfa/src files up to the xfa/ directory and fixes the includes, include guards, and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1803723002 . --- xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp | 139 ++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp (limited to 'xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp') diff --git a/xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp b/xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp new file mode 100644 index 0000000000..881e74a98c --- /dev/null +++ b/xfa/fxbarcode/qrcode/BC_QRGridSampler.cpp @@ -0,0 +1,139 @@ +// 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/qrcode/BC_QRGridSampler.h" + +#include + +#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" +#include "xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h" +#include "xfa/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 transform( + CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral( + p1ToX, p1ToY, p2ToX, p2ToY, p3ToX, p3ToY, p4ToX, p4ToY, p1FromX, + p1FromY, p2FromX, p2FromY, p3FromX, p3FromY, p4FromX, p4FromY)); + std::unique_ptr 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(); +} -- cgit v1.2.3