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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. typedef float PixelValue;
  6.  
  7. class IImageData{
  8. public:
  9. 	virtual PixelValue getData(int index) = 0;
  10. };
  11.  
  12. class ImageData8 : public IImageData{
  13. 	vector<unsigned char> buffer_;
  14. public:
  15. 	ImageData8():
  16. 		buffer_(10,128)
  17. 	{}
  18. 	virtual PixelValue getData(int index){
  19. 		return (float)buffer_[index] / 256.0f;
  20. 	}
  21. };
  22.  
  23. class ImageData16 : public IImageData{
  24. 	vector<unsigned short> buffer_;
  25. public:
  26. 	ImageData16():
  27. 		buffer_(10,65535)
  28. 	{}
  29.  
  30. 	virtual PixelValue getData(int index){
  31. 		return (float)buffer_[index] / 65535.0f;
  32. 	}
  33. };
  34.  
  35. int main() {
  36. 	// your code goes here
  37. 	ImageData8 i8;
  38. 	ImageData16 i16;
  39. 	vector<IImageData*> images;
  40. 	images.resize(2);
  41. 	images[0] = &i8;
  42. 	images[1] = &i16;
  43.  
  44. 	for(auto img : images){
  45. 		cout << img->getData(0) <<endl;
  46. 	}
  47. 	return 0;
  48. }
Success #stdin #stdout 0s 3232KB
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stdin 
Standard input is empty
stdout 
0.5
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https://ideone.com/WLCsPW
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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