[2798] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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[2897] | 2 | /* ====================================================================== |
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[2096] | 3 | * AUTHOR: Wei Qiao <qiaow@purdue.edu> |
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| 4 | * Purdue Rendering and Perceptualization Lab (PURPL) |
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| 5 | * |
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| 6 | * Copyright (c) 2004-2006 Purdue Research Foundation |
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| 7 | * |
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| 8 | * See the file "license.terms" for information on usage and |
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| 9 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 10 | * ====================================================================== |
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| 11 | */ |
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[2897] | 12 | #ifndef TRANSFER_FUNCTION_GLUT_WINDOW_H |
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| 13 | #define TRANSFER_FUNCTION_GLUT_WINDOW_H |
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[2096] | 14 | |
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| 15 | #include <stdlib.h> |
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| 16 | #include <time.h> |
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| 17 | #include <float.h> |
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| 18 | |
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| 19 | #include "ControlPoint.h" |
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| 20 | |
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| 21 | ////////////////////Interpolation Result///////////////////////////////////////// |
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| 22 | #define NUM_OF_OUTPUT 256 //define |
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| 23 | extern int numOfOutput; //number of interpolations in the output array |
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| 24 | extern float* output; //result array of interpolation of control points |
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| 25 | ///////////////////////////////////////////////////////////////////////////////// |
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| 26 | |
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| 27 | extern int tf_winx, tf_winy; //window size |
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| 28 | extern int tf_unitWidth; //unit width |
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| 29 | extern bool tf_gvIsDragging; //is dragging a control point |
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| 30 | extern ControlPoint *tf_gvSelectedPoint; //selected controlpoint |
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| 31 | extern float tfMaximum; |
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| 32 | extern ControlPoint* tf_pointList; //list of controlpoint |
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| 33 | extern int tf_numOfPoints; //number of controlpoints |
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| 34 | extern int transferFuctionWindow; //global winid |
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| 35 | extern int tf_pointEditState; //pointEditState |
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[2897] | 36 | //if ==1, add point |
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| 37 | //if ==2, remove point |
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| 38 | struct Histogram |
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| 39 | { |
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| 40 | Histogram() |
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| 41 | { |
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| 42 | range =256; |
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| 43 | min = FLT_MAX; |
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| 44 | max = FLT_MIN; |
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| 45 | count = (unsigned long*) malloc(sizeof(unsigned long)*(range)); |
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[2096] | 46 | |
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[2897] | 47 | int i=0; |
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| 48 | for (i=0; i<range; i++){ |
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| 49 | count[i]=0; |
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| 50 | } |
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| 51 | }; |
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[2096] | 52 | |
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[2897] | 53 | int range; |
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| 54 | unsigned long* count; |
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| 55 | float min; |
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| 56 | float max; |
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[2096] | 57 | }; |
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| 58 | |
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| 59 | extern Histogram Hist[4]; //s, p, d, ss histograms |
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| 60 | |
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| 61 | class TransferFunctionGLUTWindow |
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| 62 | { |
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| 63 | public: |
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[2897] | 64 | TransferFunctionGLUTWindow(); |
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| 65 | virtual ~TransferFunctionGLUTWindow(); |
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[2096] | 66 | |
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[2897] | 67 | void static tfInit(int main_window_x, int main_window_y); |
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| 68 | void static WriteControlPoints(); |
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| 69 | void static ReadControlPoints(); |
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[2096] | 70 | |
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[2897] | 71 | void static tfReshape(int x, int y); |
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| 72 | void static tfKeyboard(unsigned char key, int x, int y); |
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| 73 | void static tfIdle(); |
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| 74 | void static tfMouse(int button, int state, int x, int y); |
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| 75 | void static tfMotion(int x, int y); |
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| 76 | void static tfDisplay(); |
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[2096] | 77 | |
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[2897] | 78 | bool static SelectPoint(double x, double y); |
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[2096] | 79 | |
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[2897] | 80 | void static sortPoints(); //sort all the points by there x coordinates |
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| 81 | static ControlPoint* addPoint(double x, double y); //add control point |
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| 82 | void static removePoint(void* ptr); //remove control point |
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| 83 | void static scalePointsY(int offset); //scale point X |
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| 84 | void static scalePointsX(); //scale point Y |
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| 85 | static ControlPoint* boundaryChecking(); //point boundary checking |
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| 86 | void static plotHist(); //draw Histogram in transformation window |
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| 87 | static void cleanUpPoints(); //remove all points but the two initial points |
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[2096] | 88 | |
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[2897] | 89 | void static printPoints(); //debugging: print out all points |
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| 90 | void static printInterpolation(); //debugging: print interpolation |
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| 91 | void static dumpHist(); //dump histogram |
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| 92 | void static readHist(); //read histogram |
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| 93 | void static printHist(); |
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[2096] | 94 | |
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| 95 | }; |
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| 96 | |
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| 97 | |
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| 98 | #endif |
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