Differential D28292 Diff 79624 kstars/fitsviewer/stretch.h

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kstars/fitsviewer/stretch.h

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64 /** 64​ /**
65 * @brief getParams Returns the stretch parameters (computed by computeParameters()). 65​ * @brief getParams Returns the stretch parameters (computed by computeParameters()).
66 */ 66​ */
67 StretchParams getParams() { return params; } 67​ StretchParams getParams() { return params; }
68 68​
69 /** 69​ /**
70 * @brief computeParams Automatically generates and sets stretch parameters from the image. 70​ * @brief computeParams Automatically generates and sets stretch parameters from the image.
71 */ 71​ */
72 StretchParams computeParams(uint8_t *input); 72​ StretchParams computeParams(const uint8_t *input);
73 73​
74 /** 74​ /**
75 * @brief run run the stretch algorithm according to the params given 75​ * @brief run run the stretch algorithm according to the params given
76 * placing the output in output_image. 76​ * placing the output in output_image.
77 * @param input the raw data buffer. 77​ * @param input the raw data buffer.
78 * @param output_image a QImage pointer that should be the same size as the input if 78​ * @param output_image a QImage pointer that should be the same size as the input if
79 * sampling is 1 otherwise, the proper size if the input is downsampled by sampling. 79​ * sampling is 1 otherwise, the proper size if the input is downsampled by sampling.
80 * @param sampling The sampling parameter. Applies to both width and height. 80​ * @param sampling The sampling parameter. Applies to both width and height.
81 * Sampling is applied to the output (that is, with sampling=2, we compute every other output 81​ * Sampling is applied to the output (that is, with sampling=2, we compute every other output
82 * sample both in width and height, so the output would have about 4X fewer pixels. 82​ * sample both in width and height, so the output would have about 4X fewer pixels.
83 */ 83​ */
84 void run(uint8_t *input, QImage *output_image, int sampling=1); 84​ void run(uint8_t const *input, QImage *output_image, int sampling=1);
85 85​
86 private: 86​ private:
87 // Adjusts input_range for float and double types. 87​ // Adjusts input_range for float and double types.
88 void recalculateInputRange(uint8_t *input); 88​ void recalculateInputRange(const uint8_t *input);
89 89​
90 // Inputs. 90​ // Inputs.
91 int image_width; 91​ int image_width;
92 int image_height; 92​ int image_height;
93 int image_channels; 93​ int image_channels;
94 int input_range; 94​ int input_range;
95 int dataType; 95​ int dataType;
96 96​
97 // Parameters. 97​ // Parameters.
98 StretchParams params; 98​ StretchParams params;
99}; 99​};