You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.6 KiB
150 lines
4.6 KiB
//---------------------------------------------------------------------------- |
|
// Anti-Grain Geometry - Version 2.4 |
|
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) |
|
// |
|
// Permission to copy, use, modify, sell and distribute this software |
|
// is granted provided this copyright notice appears in all copies. |
|
// This software is provided "as is" without express or implied |
|
// warranty, and with no claim as to its suitability for any purpose. |
|
// |
|
//---------------------------------------------------------------------------- |
|
// Contact: mcseem@antigrain.com |
|
// mcseemagg@yahoo.com |
|
// http://www.antigrain.com |
|
//---------------------------------------------------------------------------- |
|
// |
|
// classes slider_ctrl_impl, slider_ctrl |
|
// |
|
//---------------------------------------------------------------------------- |
|
|
|
#ifndef AGG_SLIDER_CTRL_INCLUDED |
|
#define AGG_SLIDER_CTRL_INCLUDED |
|
|
|
#include "agg_basics.h" |
|
#include "agg_math.h" |
|
#include "agg_ellipse.h" |
|
#include "agg_trans_affine.h" |
|
#include "agg_color_rgba.h" |
|
#include "agg_gsv_text.h" |
|
#include "agg_conv_stroke.h" |
|
#include "agg_path_storage.h" |
|
#include "agg_ctrl.h" |
|
|
|
|
|
namespace agg |
|
{ |
|
|
|
//--------------------------------------------------------slider_ctrl_impl |
|
class slider_ctrl_impl : public ctrl |
|
{ |
|
public: |
|
slider_ctrl_impl(double x1, double y1, double x2, double y2, bool flip_y=false); |
|
|
|
void border_width(double t, double extra=0.0); |
|
|
|
void range(double min, double max) { m_min = min; m_max = max; } |
|
void num_steps(unsigned num) { m_num_steps = num; } |
|
void label(const char* fmt); |
|
void text_thickness(double t) { m_text_thickness = t; } |
|
|
|
bool descending() const { return m_descending; } |
|
void descending(bool v) { m_descending = v; } |
|
|
|
double value() const { return m_value * (m_max - m_min) + m_min; } |
|
void value(double value); |
|
|
|
virtual bool in_rect(double x, double y) const; |
|
virtual bool on_mouse_button_down(double x, double y); |
|
virtual bool on_mouse_button_up(double x, double y); |
|
virtual bool on_mouse_move(double x, double y, bool button_flag); |
|
virtual bool on_arrow_keys(bool left, bool right, bool down, bool up); |
|
|
|
// Vertex source interface |
|
unsigned num_paths() { return 6; }; |
|
void rewind(unsigned path_id); |
|
unsigned vertex(double* x, double* y); |
|
|
|
private: |
|
void calc_box(); |
|
bool normalize_value(bool preview_value_flag); |
|
|
|
double m_border_width; |
|
double m_border_extra; |
|
double m_text_thickness; |
|
double m_value; |
|
double m_preview_value; |
|
double m_min; |
|
double m_max; |
|
unsigned m_num_steps; |
|
bool m_descending; |
|
char m_label[64]; |
|
double m_xs1; |
|
double m_ys1; |
|
double m_xs2; |
|
double m_ys2; |
|
double m_pdx; |
|
bool m_mouse_move; |
|
double m_vx[32]; |
|
double m_vy[32]; |
|
|
|
ellipse m_ellipse; |
|
|
|
unsigned m_idx; |
|
unsigned m_vertex; |
|
|
|
gsv_text m_text; |
|
conv_stroke<gsv_text> m_text_poly; |
|
path_storage m_storage; |
|
|
|
}; |
|
|
|
|
|
|
|
//----------------------------------------------------------slider_ctrl |
|
template<class ColorT> class slider_ctrl : public slider_ctrl_impl |
|
{ |
|
public: |
|
slider_ctrl(double x1, double y1, double x2, double y2, bool flip_y=false) : |
|
slider_ctrl_impl(x1, y1, x2, y2, flip_y), |
|
m_background_color(rgba(1.0, 0.9, 0.8)), |
|
m_triangle_color(rgba(0.7, 0.6, 0.6)), |
|
m_text_color(rgba(0.0, 0.0, 0.0)), |
|
m_pointer_preview_color(rgba(0.6, 0.4, 0.4, 0.4)), |
|
m_pointer_color(rgba(0.8, 0.0, 0.0, 0.6)) |
|
{ |
|
m_colors[0] = &m_background_color; |
|
m_colors[1] = &m_triangle_color; |
|
m_colors[2] = &m_text_color; |
|
m_colors[3] = &m_pointer_preview_color; |
|
m_colors[4] = &m_pointer_color; |
|
m_colors[5] = &m_text_color; |
|
} |
|
|
|
|
|
void background_color(const ColorT& c) { m_background_color = c; } |
|
void pointer_color(const ColorT& c) { m_pointer_color = c; } |
|
|
|
const ColorT& color(unsigned i) const { return *m_colors[i]; } |
|
|
|
private: |
|
slider_ctrl(const slider_ctrl<ColorT>&); |
|
const slider_ctrl<ColorT>& operator = (const slider_ctrl<ColorT>&); |
|
|
|
ColorT m_background_color; |
|
ColorT m_triangle_color; |
|
ColorT m_text_color; |
|
ColorT m_pointer_preview_color; |
|
ColorT m_pointer_color; |
|
ColorT* m_colors[6]; |
|
}; |
|
|
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
#endif |
|
|
|
|