147 lines
4.3 KiB
C++
147 lines
4.3 KiB
C++
//----------------------------------------------------------------------------
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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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