Move badpixel code to own compilation unit

rtengine/pixelsmap.h

@@ -0,0 +1,98 @@
+#pragma once
+
+/*
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2004-2019 Gabor Horvath <hgabor@rawtherapee.com>
+ *
+ *  RawTherapee 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.
+ *
+ *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <cstdint>
+#include <vector>
+
+#include "noncopyable.h"
+
+namespace rtengine
+{
+
+struct badPix {
+    uint16_t x;
+    uint16_t y;
+    badPix(uint16_t xc, uint16_t yc): x(xc), y(yc) {}
+};
+
+class PixelsMap :
+    public NonCopyable
+{
+    int w; // line width in base_t units
+    int h; // height
+    typedef unsigned long base_t;
+    static const size_t base_t_size = sizeof(base_t);
+    base_t *pm;
+
+public:
+    PixelsMap(int width, int height)
+        : w((width / (base_t_size * 8)) + 1), h(height), pm(new base_t[h * w])
+    {
+        clear();
+    }
+
+    ~PixelsMap()
+    {
+        delete [] pm;
+    }
+    int width() const
+    {
+        return w;
+    }
+    int height() const
+    {
+        return h;
+    }
+
+    // if a pixel is set returns true
+    bool get(int x, int y) const
+    {
+        return (pm[y * w + x / (base_t_size * 8)] & (base_t)1 << (x % (base_t_size * 8))) != 0;
+    }
+
+    // set a pixel
+    void set(int x, int y)
+    {
+        pm[y * w + x / (base_t_size * 8)] |= (base_t)1 << (x % (base_t_size * 8)) ;
+    }
+
+    // set pixels from a list
+    int set(const std::vector<badPix> &bp)
+    {
+        for (std::vector<badPix>::const_iterator iter = bp.begin(); iter != bp.end(); ++iter) {
+            set(iter->x, iter->y);
+        }
+
+        return bp.size();
+    }
+
+    void clear()
+    {
+        memset(pm, 0, h * w * base_t_size);
+    }
+    // return 0 if at least one pixel in the word(base_t) is set, otherwise return the number of pixels to skip to the next word base_t
+    int skipIfZero(int x, int y) const
+    {
+        return pm[y * w + x / (base_t_size * 8)] == 0 ? base_t_size * 8 - x % (base_t_size * 8) : 0;
+    }
+};
+
+}