--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/Images/ImageProcessing.h	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,197 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "../OrthancFramework.h"
+
+#include "ImageAccessor.h"
+#include <vector>
+
+#include <stdint.h>
+#include <algorithm>
+#include <boost/noncopyable.hpp>
+
+namespace Orthanc
+{
+  class ORTHANC_PUBLIC ImageProcessing : public boost::noncopyable
+  {
+  public:
+    class ImagePoint
+    {
+      int32_t x_;
+      int32_t y_;
+      
+    public:
+      ImagePoint(int32_t x, int32_t y)
+        : x_(x),
+          y_(y)
+      {
+      }
+
+      int32_t GetX() const {return x_;}
+
+      int32_t GetY() const {return y_;}
+
+      void Set(int32_t x, int32_t y)
+      {
+        x_ = x;
+        y_ = y;
+      }
+
+      void ClipTo(int32_t minX, int32_t maxX, int32_t minY, int32_t maxY)
+      {
+        x_ = std::max(minX, std::min(maxX, x_));
+        y_ = std::max(minY, std::min(maxY, y_));
+      }
+
+      double GetDistanceTo(const ImagePoint& other) const;
+
+      double GetDistanceToLine(double a, double b, double c) const; // where ax + by + c = 0 is the equation of the line
+    };
+
+    static void Copy(ImageAccessor& target,
+                     const ImageAccessor& source);
+
+    static void Convert(ImageAccessor& target,
+                        const ImageAccessor& source);
+
+    static void ApplyWindowing_Deprecated(ImageAccessor& target,
+                                          const ImageAccessor& source,
+                                          float windowCenter,
+                                          float windowWidth,
+                                          float rescaleSlope,
+                                          float rescaleIntercept,
+                                          bool invert);
+
+    static void Set(ImageAccessor& image,
+                    int64_t value);
+
+    static void Set(ImageAccessor& image,
+                    uint8_t red,
+                    uint8_t green,
+                    uint8_t blue,
+                    uint8_t alpha);
+
+    static void Set(ImageAccessor& image,
+                    uint8_t red,
+                    uint8_t green,
+                    uint8_t blue,
+                    ImageAccessor& alpha);
+
+    static void ShiftRight(ImageAccessor& target,
+                           unsigned int shift);
+
+    static void ShiftLeft(ImageAccessor& target,
+                          unsigned int shift);
+
+    static void GetMinMaxIntegerValue(int64_t& minValue,
+                                      int64_t& maxValue,
+                                      const ImageAccessor& image);
+
+    static void GetMinMaxFloatValue(float& minValue,
+                                    float& maxValue,
+                                    const ImageAccessor& image);
+
+    static void AddConstant(ImageAccessor& image,
+                            int64_t value);
+
+    // "useRound" is expensive
+    static void MultiplyConstant(ImageAccessor& image,
+                                 float factor,
+                                 bool useRound);
+
+    // Computes "(x + offset) * scaling" inplace. "useRound" is expensive.
+    static void ShiftScale(ImageAccessor& image,
+                           float offset,
+                           float scaling,
+                           bool useRound);
+
+    static void ShiftScale(ImageAccessor& target,
+                           const ImageAccessor& source,
+                           float offset,
+                           float scaling,
+                           bool useRound);
+
+    static void Invert(ImageAccessor& image);
+
+    static void Invert(ImageAccessor& image, int64_t maxValue);
+
+    static void DrawLineSegment(ImageAccessor& image,
+                                int x0,
+                                int y0,
+                                int x1,
+                                int y1,
+                                int64_t value);
+
+    static void DrawLineSegment(ImageAccessor& image,
+                                int x0,
+                                int y0,
+                                int x1,
+                                int y1,
+                                uint8_t red,
+                                uint8_t green,
+                                uint8_t blue,
+                                uint8_t alpha);
+
+    static void FillPolygon(ImageAccessor& image,
+                            const std::vector<ImagePoint>& points,
+                            int64_t value);
+
+    static void Resize(ImageAccessor& target,
+                       const ImageAccessor& source);
+
+    static ImageAccessor* Halve(const ImageAccessor& source,
+                                bool forceMinimalPitch);
+
+    static void FlipX(ImageAccessor& image);
+
+    static void FlipY(ImageAccessor& image);
+
+    static void SeparableConvolution(ImageAccessor& image /* inplace */,
+                                     const std::vector<float>& horizontal,
+                                     size_t horizontalAnchor,
+                                     const std::vector<float>& vertical,
+                                     size_t verticalAnchor);
+
+    static void SmoothGaussian5x5(ImageAccessor& image);
+
+    static void FitSize(ImageAccessor& target,
+                        const ImageAccessor& source);
+    
+    static ImageAccessor* FitSize(const ImageAccessor& source,
+                                  unsigned int width,
+                                  unsigned int height);
+  };
+}
+