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146 lines
4.3 KiB
146 lines
4.3 KiB
//---------------------------------------------------------------------------- |
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// Anti-Grain Geometry - Version 2.4 |
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// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) |
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// |
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// Permission to copy, use, modify, sell and distribute this software |
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// is granted provided this copyright notice appears in all copies. |
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// This software is provided "as is" without express or implied |
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// warranty, and with no claim as to its suitability for any purpose. |
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// |
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//---------------------------------------------------------------------------- |
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// Contact: mcseem@antigrain.com |
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// mcseemagg@yahoo.com |
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// http://www.antigrain.com |
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//---------------------------------------------------------------------------- |
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// |
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// classes scale_ctrl_impl, scale_ctrl |
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// |
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//---------------------------------------------------------------------------- |
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#ifndef AGG_SCALE_CTRL_INCLUDED |
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#define AGG_SCALE_CTRL_INCLUDED |
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#include "agg_basics.h" |
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#include "agg_math.h" |
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#include "agg_ellipse.h" |
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#include "agg_trans_affine.h" |
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#include "agg_color_rgba.h" |
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#include "agg_ctrl.h" |
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namespace agg |
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{ |
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//------------------------------------------------------------------------ |
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class scale_ctrl_impl : public ctrl |
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{ |
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enum move_e |
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{ |
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move_nothing, |
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move_value1, |
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move_value2, |
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move_slider |
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}; |
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public: |
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scale_ctrl_impl(double x1, double y1, double x2, double y2, bool flip_y=false); |
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void border_thickness(double t, double extra=0.0); |
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void resize(double x1, double y1, double x2, double y2); |
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double min_delta() const { return m_min_d; } |
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void min_delta(double d) { m_min_d = d; } |
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double value1() const { return m_value1; } |
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void value1(double value); |
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double value2() const { return m_value2; } |
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void value2(double value); |
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void move(double d); |
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virtual bool in_rect(double x, double y) const; |
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virtual bool on_mouse_button_down(double x, double y); |
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virtual bool on_mouse_button_up(double x, double y); |
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virtual bool on_mouse_move(double x, double y, bool button_flag); |
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virtual bool on_arrow_keys(bool left, bool right, bool down, bool up); |
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// Vertex soutce interface |
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unsigned num_paths() { return 5; }; |
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void rewind(unsigned path_id); |
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unsigned vertex(double* x, double* y); |
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private: |
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void calc_box(); |
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double m_border_thickness; |
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double m_border_extra; |
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double m_value1; |
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double m_value2; |
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double m_min_d; |
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double m_xs1; |
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double m_ys1; |
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double m_xs2; |
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double m_ys2; |
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double m_pdx; |
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double m_pdy; |
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move_e m_move_what; |
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double m_vx[32]; |
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double m_vy[32]; |
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ellipse m_ellipse; |
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unsigned m_idx; |
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unsigned m_vertex; |
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}; |
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//------------------------------------------------------------------------ |
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template<class ColorT> class scale_ctrl : public scale_ctrl_impl |
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{ |
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public: |
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scale_ctrl(double x1, double y1, double x2, double y2, bool flip_y=false) : |
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scale_ctrl_impl(x1, y1, x2, y2, flip_y), |
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m_background_color(rgba(1.0, 0.9, 0.8)), |
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m_border_color(rgba(0.0, 0.0, 0.0)), |
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m_pointers_color(rgba(0.8, 0.0, 0.0, 0.8)), |
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m_slider_color(rgba(0.2, 0.1, 0.0, 0.6)) |
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{ |
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m_colors[0] = &m_background_color; |
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m_colors[1] = &m_border_color; |
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m_colors[2] = &m_pointers_color; |
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m_colors[3] = &m_pointers_color; |
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m_colors[4] = &m_slider_color; |
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} |
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void background_color(const ColorT& c) { m_background_color = c; } |
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void border_color(const ColorT& c) { m_border_color = c; } |
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void pointers_color(const ColorT& c) { m_pointers_color = c; } |
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void slider_color(const ColorT& c) { m_slider_color = c; } |
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const ColorT& color(unsigned i) const { return *m_colors[i]; } |
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private: |
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scale_ctrl(const scale_ctrl<ColorT>&); |
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const scale_ctrl<ColorT>& operator = (const scale_ctrl<ColorT>&); |
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ColorT m_background_color; |
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ColorT m_border_color; |
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ColorT m_pointers_color; |
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ColorT m_slider_color; |
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ColorT* m_colors[5]; |
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}; |
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} |
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#endif |
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