43 lines
811 B
C++
43 lines
811 B
C++
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#ifndef Pixel_h
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#define Pixel_h
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#include <functional>
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#include <iostream>
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class Pixel {
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public:
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Pixel(int x = 0, int y = 0) : x(x), y(y) {}
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void print() const { std::cout << '(' << x << "," << y << ") "; }
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bool operator<(const Pixel &rhs) const { return x < rhs.x; }
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bool operator==(const Pixel &rhs) const { return x == rhs.x; }
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private:
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int x;
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int y;
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friend class PixelPtrCompare;
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};
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class PixelPtrCompare {
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public:
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PixelPtrCompare() : sortOnY(false) {}
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void setSortOnY(bool sortY) { this->sortOnY = sortY; }
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bool operator()(const Pixel *l, const Pixel *r) const {
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if (sortOnY)
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return l->y < r->y;
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else
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return l->x < r->x;
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}
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private:
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bool sortOnY;
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};
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#endif
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