1 | // |
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2 | // "$Id: ColorChooser.h 3769 2004-08-07 20:48:36Z spitzak $" |
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3 | // |
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4 | // Color chooser header file for the Fast Light Tool Kit (FLTK). |
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5 | // |
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6 | // Copyright 1998-2003 by Bill Spitzak and others. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or |
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9 | // modify it under the terms of the GNU Library General Public |
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10 | // License as published by the Free Software Foundation; either |
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11 | // version 2 of the License, or (at your option) any later version. |
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12 | // |
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13 | // This library is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | // Library General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU Library General Public |
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19 | // License along with this library; if not, write to the Free Software |
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20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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21 | // USA. |
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22 | // |
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23 | // Please report all bugs and problems to "fltk-bugs@fltk.org". |
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24 | // |
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25 | |
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26 | // The color chooser object and the color chooser popup. The popup |
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27 | // is just a window containing a single color chooser and some boxes |
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28 | // to indicate the current and cancelled color. |
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29 | |
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30 | #ifndef fltk_ColorChooser_h |
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31 | #define fltk_ColorChooser_h |
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32 | |
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33 | #include <fltk/Group.h> |
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34 | |
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35 | namespace fltk { |
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36 | |
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37 | class FL_API ccHueBox : public Widget { |
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38 | int px, py; |
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39 | protected: |
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40 | void draw(); |
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41 | public: |
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42 | int handle(int); |
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43 | ccHueBox(int X, int Y, int W, int H) : Widget(X,Y,W,H) { |
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44 | px = py = 0;} |
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45 | }; |
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46 | |
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47 | class FL_API ccValueBox : public Widget { |
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48 | int py; |
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49 | bool is_alpha() const; |
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50 | protected: |
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51 | void draw(); |
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52 | public: |
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53 | int handle(int); |
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54 | ccValueBox(int X, int Y, int W, int H) : Widget(X,Y,W,H) { |
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55 | py = 0;} |
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56 | }; |
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57 | |
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58 | class FL_API ccCellBox : public Widget { |
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59 | public: |
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60 | ccCellBox(int X, int Y, int W, int H) : Widget(X,Y,W,H) {} |
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61 | void draw(); |
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62 | int handle(int); |
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63 | }; |
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64 | |
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65 | class FL_API ColorChooser : public Group { |
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66 | friend class ccHueBox; |
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67 | friend class ccValueBox; |
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68 | ccHueBox huebox; |
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69 | ccValueBox valuebox; |
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70 | ccValueBox alphabox; |
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71 | ccCellBox cellbox; |
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72 | float hue_, saturation_, value_; |
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73 | float r_, g_, b_, a_; |
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74 | public: |
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75 | float h() const {return hue_;} |
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76 | float s() const {return saturation_;} |
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77 | float v() const {return value_;} |
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78 | float r() const {return r_;} |
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79 | float g() const {return g_;} |
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80 | float b() const {return b_;} |
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81 | float a() const {return a_;} |
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82 | Color value() const; |
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83 | bool value(Color); |
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84 | bool hsv(float,float,float); |
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85 | bool rgb(float,float,float); |
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86 | bool a(float); |
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87 | void hide_a(); |
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88 | static void hsv2rgb(float, float, float,float&,float&,float&); |
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89 | static void rgb2hsv(float, float, float,float&,float&,float&); |
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90 | ColorChooser(int,int,int,int,const char* = 0); |
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91 | void layout(); |
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92 | float setcell(int,float,float,float,float); |
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93 | float getcell(int,float,float,float,float); |
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94 | }; |
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95 | |
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96 | // Convience functions to pop-up a control panel: |
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97 | |
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98 | FL_API bool color_chooser(const char* name, float& r, float& g, float& b); |
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99 | FL_API bool color_chooser(const char* name, float& r, float& g, float& b, float& a); |
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100 | FL_API bool color_chooser(const char* name, uchar& r, uchar& g, uchar& b); |
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101 | FL_API bool color_chooser(const char* name, uchar& r, uchar& g, uchar& b, uchar& a); |
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102 | FL_API bool color_chooser(const char* name, Color& c); |
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103 | |
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104 | } |
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105 | |
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106 | #endif |
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107 | |
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108 | // |
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109 | // End of "$Id: ColorChooser.h 3769 2004-08-07 20:48:36Z spitzak $". |
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110 | // |
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