ref: ce8b5651bc33720a4f34309c81d0b12d7ce5791e
dir: /DoConfig/fltk/test/line_style.cxx/
//
// "$Id$"
//
// Line style demo for the Fast Light Tool Kit (FLTK).
//
// Copyright 2000-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Value_Slider.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Check_Button.H>
#include <FL/Fl_Box.H>
Fl_Double_Window *form;
Fl_Slider *sliders[9];
Fl_Choice *choice[3];
Fl_Check_Button *draw_line;
class test_box: public Fl_Double_Window {
void draw();
public:
test_box(int x,int y,int w,int h,const char *l=0)
: Fl_Double_Window(x,y,w,h,l) {}
}*test;
void test_box::draw() {
Fl_Double_Window::draw();
fl_color((uchar)(sliders[0]->value()),
(uchar)(sliders[1]->value()),
(uchar)(sliders[2]->value()));
// dashes
char dashes[5];
dashes[0] = char(sliders[5]->value());
dashes[1] = char(sliders[6]->value());
dashes[2] = char(sliders[7]->value());
dashes[3] = char(sliders[8]->value());
dashes[4] = 0;
fl_line_style(
choice[0]->mvalue()->argument() +
choice[1]->mvalue()->argument() +
choice[2]->mvalue()->argument(),
long(sliders[3]->value()), // width
dashes);
// draw the defined fl_rect and fl_vertex first and then
// the additional one-pixel line, if enabled
// sliders[4] = x/y coordinate translation (default = 10)
for (int i=0; i<draw_line->value()+1; i++) {
int move = (int)sliders[4]->value();
fl_rect(move,move,w()-20,h()-20);
fl_begin_line();
fl_vertex(move+25, move+25);
fl_vertex(w()-45+move, h()-45+move);
fl_vertex(w()-50+move, move+25);
fl_vertex(move+25, h()/2-10+move);
fl_end_line();
// you must reset the line type when done:
fl_line_style(FL_SOLID);
fl_color(FL_BLACK);
}
}
Fl_Menu_Item style_menu[] = {
{"FL_SOLID", 0, 0, (void*)FL_SOLID},
{"FL_DASH", 0, 0, (void*)FL_DASH},
{"FL_DOT", 0, 0, (void*)FL_DOT},
{"FL_DASHDOT",0, 0, (void*)FL_DASHDOT},
{"FL_DASHDOTDOT", 0, 0, (void*)FL_DASHDOTDOT},
{0}
};
Fl_Menu_Item cap_menu[] = {
{"default", 0, 0, 0},
{"FL_CAP_FLAT", 0, 0, (void*)FL_CAP_FLAT},
{"FL_CAP_ROUND", 0, 0, (void*)FL_CAP_ROUND},
{"FL_CAP_SQUARE", 0, 0, (void*)FL_CAP_SQUARE},
{0}
};
Fl_Menu_Item join_menu[] = {
{"default", 0, 0, 0},
{"FL_JOIN_MITER", 0, 0, (void*)FL_JOIN_MITER},
{"FL_JOIN_ROUND", 0, 0, (void*)FL_JOIN_ROUND},
{"FL_JOIN_BEVEL", 0, 0, (void*)FL_JOIN_BEVEL},
{0}
};
void do_redraw(Fl_Widget*,void*)
{
test->redraw();
}
void makeform(const char *) {
form = new Fl_Double_Window(500,250,"fl_line_style() test");
sliders[0]= new Fl_Value_Slider(280,10,180,20,"R");
sliders[0]->bounds(0,255);
sliders[1]= new Fl_Value_Slider(280,30,180,20,"G");
sliders[1]->bounds(0,255);
sliders[2]= new Fl_Value_Slider(280,50,180,20,"B");
sliders[2]->bounds(0,255);
choice[0]= new Fl_Choice(280,70,180,20,"Style");
choice[0]->menu(style_menu);
choice[1]= new Fl_Choice(280,90,180,20,"Cap");
choice[1]->menu(cap_menu);
choice[2]= new Fl_Choice(280,110,180,20,"Join");
choice[2]->menu(join_menu);
sliders[3]= new Fl_Value_Slider(280,130,180,20,"Width");
sliders[3]->bounds(0,20);
sliders[4]= new Fl_Value_Slider(280,150,180,20,"Move");
sliders[4]->bounds(-10,20);
draw_line = new Fl_Check_Button(280,170,20,20,"&Line");
draw_line->align(FL_ALIGN_LEFT);
new Fl_Box (305,170,160,20,"add a 1-pixel black line");
sliders[5] = new Fl_Slider(200,210,70,20,"Dash");
sliders[5]->align(FL_ALIGN_TOP_LEFT);
sliders[5]->bounds(0,40);
sliders[6] = new Fl_Slider(270,210,70,20);
sliders[6]->bounds(0,40);
sliders[7] = new Fl_Slider(340,210,70,20);
sliders[7]->bounds(0,40);
sliders[8] = new Fl_Slider(410,210,70,20);
sliders[8]->bounds(0,40);
int i;
for (i=0;i<9;i++) {
sliders[i]->type(1);
if (i<5) sliders[i]->align(FL_ALIGN_LEFT);
sliders[i]->callback((Fl_Callback*)do_redraw);
sliders[i]->step(1);
}
sliders[0]->value(255); // R
sliders[1]->value(100); // G
sliders[2]->value(100); // B
sliders[4]->value(10); // move line coordinates
draw_line->value(0);
draw_line->callback((Fl_Callback*)do_redraw);
for (i=0;i<3;i++) {
choice[i]->value(0);
choice[i]->callback((Fl_Callback*)do_redraw);
}
test = new test_box(0,0,200,200);
test->end();
form->resizable(test);
form->end();
}
int main(int argc, char **argv) {
makeform(argv[0]);
form->show(argc,argv);
return Fl::run();
}
//
// End of "$Id$".
//