215 lines
6.2 KiB
C++
215 lines
6.2 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 rbox_ctrl_impl, rbox_ctrl
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//
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//----------------------------------------------------------------------------
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#include <string.h>
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#include "ctrl/agg_cbox_ctrl.h"
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namespace agg
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{
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//------------------------------------------------------------------------
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cbox_ctrl_impl::cbox_ctrl_impl(double x, double y,
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const char* l,
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bool flip_y) :
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ctrl(x, y, x + 9.0 * 1.5, y + 9.0 * 1.5, flip_y),
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m_text_thickness(1.5),
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m_text_height(9.0),
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m_text_width(0.0),
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m_status(false),
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m_text_poly(m_text)
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{
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label(l);
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}
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//------------------------------------------------------------------------
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void cbox_ctrl_impl::text_size(double h, double w)
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{
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m_text_width = w;
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m_text_height = h;
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}
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//------------------------------------------------------------------------
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void cbox_ctrl_impl::label(const char* l)
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{
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unsigned len = strlen(l);
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if(len > 127) len = 127;
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memcpy(m_label, l, len);
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m_label[len] = 0;
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}
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//------------------------------------------------------------------------
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bool cbox_ctrl_impl::on_mouse_button_down(double x, double y)
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{
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inverse_transform_xy(&x, &y);
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if(x >= m_x1 && y >= m_y1 && x <= m_x2 && y <= m_y2)
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{
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m_status = !m_status;
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return true;
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}
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return false;
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}
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//------------------------------------------------------------------------
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bool cbox_ctrl_impl::on_mouse_move(double, double, bool)
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{
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return false;
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}
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//------------------------------------------------------------------------
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bool cbox_ctrl_impl::in_rect(double x, double y) const
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{
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inverse_transform_xy(&x, &y);
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return x >= m_x1 && y >= m_y1 && x <= m_x2 && y <= m_y2;
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}
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//------------------------------------------------------------------------
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bool cbox_ctrl_impl::on_mouse_button_up(double, double)
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{
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return false;
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}
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//------------------------------------------------------------------------
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bool cbox_ctrl_impl::on_arrow_keys(bool, bool, bool, bool)
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{
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return false;
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}
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//------------------------------------------------------------------------
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void cbox_ctrl_impl::rewind(unsigned idx)
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{
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m_idx = idx;
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double d2;
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double t;
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switch(idx)
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{
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default:
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case 0: // Border
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m_vertex = 0;
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m_vx[0] = m_x1;
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m_vy[0] = m_y1;
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m_vx[1] = m_x2;
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m_vy[1] = m_y1;
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m_vx[2] = m_x2;
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m_vy[2] = m_y2;
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m_vx[3] = m_x1;
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m_vy[3] = m_y2;
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m_vx[4] = m_x1 + m_text_thickness;
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m_vy[4] = m_y1 + m_text_thickness;
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m_vx[5] = m_x1 + m_text_thickness;
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m_vy[5] = m_y2 - m_text_thickness;
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m_vx[6] = m_x2 - m_text_thickness;
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m_vy[6] = m_y2 - m_text_thickness;
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m_vx[7] = m_x2 - m_text_thickness;
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m_vy[7] = m_y1 + m_text_thickness;
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break;
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case 1: // Text
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m_text.text(m_label);
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m_text.start_point(m_x1 + m_text_height * 2.0, m_y1 + m_text_height / 5.0);
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m_text.size(m_text_height, m_text_width);
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m_text_poly.width(m_text_thickness);
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m_text_poly.line_join(round_join);
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m_text_poly.line_cap(round_cap);
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m_text_poly.rewind(0);
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break;
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case 2: // Active item
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m_vertex = 0;
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d2 = (m_y2 - m_y1) / 2.0;
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t = m_text_thickness * 1.5;
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m_vx[0] = m_x1 + m_text_thickness;
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m_vy[0] = m_y1 + m_text_thickness;
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m_vx[1] = m_x1 + d2;
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m_vy[1] = m_y1 + d2 - t;
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m_vx[2] = m_x2 - m_text_thickness;
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m_vy[2] = m_y1 + m_text_thickness;
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m_vx[3] = m_x1 + d2 + t;
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m_vy[3] = m_y1 + d2;
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m_vx[4] = m_x2 - m_text_thickness;
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m_vy[4] = m_y2 - m_text_thickness;
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m_vx[5] = m_x1 + d2;
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m_vy[5] = m_y1 + d2 + t;
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m_vx[6] = m_x1 + m_text_thickness;
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m_vy[6] = m_y2 - m_text_thickness;
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m_vx[7] = m_x1 + d2 - t;
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m_vy[7] = m_y1 + d2;
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break;
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}
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}
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//------------------------------------------------------------------------
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unsigned cbox_ctrl_impl::vertex(double* x, double* y)
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{
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unsigned cmd = path_cmd_line_to;
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switch(m_idx)
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{
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case 0:
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if(m_vertex == 0 || m_vertex == 4) cmd = path_cmd_move_to;
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if(m_vertex >= 8) cmd = path_cmd_stop;
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*x = m_vx[m_vertex];
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*y = m_vy[m_vertex];
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m_vertex++;
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break;
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case 1:
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cmd = m_text_poly.vertex(x, y);
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break;
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case 2:
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if(m_status)
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{
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if(m_vertex == 0) cmd = path_cmd_move_to;
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if(m_vertex >= 8) cmd = path_cmd_stop;
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*x = m_vx[m_vertex];
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*y = m_vy[m_vertex];
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m_vertex++;
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}
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else
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{
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cmd = path_cmd_stop;
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}
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break;
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default:
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cmd = path_cmd_stop;
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break;
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}
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if(!is_stop(cmd))
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{
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transform_xy(x, y);
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}
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return cmd;
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}
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}
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