| 1 | //////////////////////////////////////////////////////////////////////// |
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| 2 | // |
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| 3 | // This file AppearanceScheme.java is part of SURFEX. |
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| 4 | // |
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| 5 | //////////////////////////////////////////////////////////////////////// |
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| 6 | |
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| 7 | //////////////////////////////////////////////////////////////////////// |
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| 8 | // SURFEX version 0.90.00 |
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| 9 | // ================= |
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| 10 | // |
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| 11 | // Saarland University at Saarbruecken, Germany |
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| 12 | // Department of Mathematics and Computer Science |
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| 13 | // |
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| 14 | // SURFEX on the web: www.surfex.AlgebraicSurface.net |
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| 15 | // |
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| 16 | // Authors: Oliver Labs (2001-2008), Stephan Holzer (2004-2005) |
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| 17 | // |
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| 18 | // Copyright (C) 2001-2008 |
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| 19 | // |
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| 20 | // |
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| 21 | // *NOTICE* |
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| 22 | // ======== |
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| 23 | // |
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| 24 | // This program is free software; you can redistribute it and/or modify it |
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| 25 | // under the terms of the GNU General Public License as published by the |
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| 26 | // Free Software Foundation ( version 3 or later of the License ). |
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| 27 | // |
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| 28 | // See LICENCE.TXT for details. |
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| 29 | // |
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| 30 | ///////////////////////////////////////////////////////////////////////// |
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| 31 | |
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| 32 | |
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| 33 | import java.awt.Color; |
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| 34 | |
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| 35 | ////////////////////////////////////////////////////////////// |
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| 36 | // |
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| 37 | // class AppearanceScheme |
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| 38 | // |
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| 39 | ////////////////////////////////////////////////////////////// |
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| 40 | public class AppearanceScheme { |
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| 41 | // Color []baseSurfaceColors = {new Color(0, 180, 240), new Color(240, 180, 0), new Color(240, 0, 180), |
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| 42 | // new Color(0, 240, 180), new Color(180, 240, 0), new Color(180, 0, 240)}; |
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| 43 | Color[] baseSurfaceColors = { new Color(240, 160, 0), |
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| 44 | new Color(160, 240, 0), new Color(0, 160, 240), |
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| 45 | new Color(240, 0, 160), new Color(0, 240, 160), |
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| 46 | new Color(160, 0, 240) }; |
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| 47 | |
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| 48 | double surfaceIntensityFactor = 0.8; |
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| 49 | |
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| 50 | Color[] baseCurveColors = { Color.black, Color.white }; |
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| 51 | |
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| 52 | double curveIntensityFactor = 0.7; |
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| 53 | |
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| 54 | AppearanceScheme() { |
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| 55 | } |
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| 56 | |
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| 57 | public Color brighter(Color col, double factor, int no) { |
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| 58 | try { |
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| 59 | Color tmpColor = new Color( |
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| 60 | (int) (255 * (1 - (1 - col.getRed() / 255.0) |
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| 61 | * Math.pow(factor, no - 1))), |
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| 62 | (int) (255 * (1 - (1 - col.getGreen() / 255.0) |
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| 63 | * Math.pow(factor, no - 1))), |
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| 64 | (int) (255 * (1 - (1 - col.getBlue() / 255.0) |
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| 65 | * Math.pow(factor, no - 1)))); |
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| 66 | // System.out.println("col:"+col+",no"+no+", ---- newcol:"+tmpColor); |
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| 67 | return (tmpColor); |
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| 68 | } catch (Exception ex) { |
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| 69 | return (col); |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | public Color darker(Color col, double factor, int no) { |
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| 74 | try { |
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| 75 | Color tmpColor = new Color((int) (col.getRed() * Math.pow(factor, |
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| 76 | no - 1)), |
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| 77 | (int) (col.getGreen() * Math.pow(factor, no - 1)), |
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| 78 | (int) (col.getBlue() * Math.pow(factor, no - 1))); |
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| 79 | // System.out.println("col:"+col+",no"+no+", ---- newcol:"+tmpColor); |
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| 80 | return (tmpColor); |
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| 81 | } catch (Exception ex) { |
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| 82 | return (col); |
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| 83 | } |
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| 84 | } |
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| 85 | |
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| 86 | public Color getEquationColorInside(int no) { |
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| 87 | return (brighter(baseSurfaceColors[(no - 1) |
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| 88 | % (baseSurfaceColors.length)], surfaceIntensityFactor, |
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| 89 | ((int) (no / (baseSurfaceColors.length))) * 3 + 2)); |
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| 90 | } |
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| 91 | |
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| 92 | public Color getEquationColorOutside(int no) { |
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| 93 | return (brighter(baseSurfaceColors[(no - 1) |
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| 94 | % (baseSurfaceColors.length)], surfaceIntensityFactor, |
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| 95 | ((int) (no / (baseSurfaceColors.length))) * 3 + 1)); |
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| 96 | } |
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| 97 | |
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| 98 | public Color getCurveColor(int no) { |
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| 99 | if (no % 2 == 1) { |
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| 100 | return (brighter(baseCurveColors[(no - 1) % 2], |
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| 101 | curveIntensityFactor, ((int) ((no) / 2)) + 1)); |
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| 102 | } else { |
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| 103 | return (darker(baseCurveColors[(no - 1) % 2], curveIntensityFactor, |
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| 104 | ((int) ((no - 1) / 2)) + 1)); |
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| 105 | } |
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| 106 | } |
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| 107 | } // end class AppearanceScheme |
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| 108 | |
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