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#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Value_Slider.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Choice.H>
Fl_Window *form;
Fl_Slider *sliders[8];
Fl_Choice *choice[3];
class test_box: public Fl_Window {
void draw();
public:
test_box(int x,int y,int w,int h,const char *l=0)
: Fl_Window(x,y,w,h,l) {}
}*test;
void test_box::draw() {
Fl_Window::draw();
fl_color((uchar)(sliders[0]->value()),
(uchar)(sliders[1]->value()),
(uchar)(sliders[2]->value()));
char buf[5];
buf[0] = char(sliders[4]->value());
buf[1] = char(sliders[5]->value());
buf[2] = char(sliders[6]->value());
buf[3] = char(sliders[7]->value());
buf[4] = 0;
fl_line_style(
(int)(choice[0]->mvalue()->user_data()) +
(int)(choice[1]->mvalue()->user_data()) +
(int)(choice[2]->mvalue()->user_data()),
(int)(sliders[3]->value()),
buf);
fl_rect(10,10,w()-20,h()-20);
fl_begin_line();
fl_vertex(35, 35);
fl_vertex(w()-35, h()-35);
fl_vertex(w()-40, 35);
fl_vertex(35, h()/2);
fl_end_line();
// you must reset the line type when done:
fl_line_style(FL_SOLID);
}
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_Window(500,210,"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_Slider(200,170,70,20,"Dash");
sliders[4]->align(FL_ALIGN_TOP_LEFT);
sliders[4]->bounds(0,40);
sliders[5] = new Fl_Slider(270,170,70,20);
sliders[5]->bounds(0,40);
sliders[6] = new Fl_Slider(340,170,70,20);
sliders[6]->bounds(0,40);
sliders[7] = new Fl_Slider(410,170,70,20);
sliders[7]->bounds(0,40);
int i;
for (i=0;i<8;i++) {
sliders[i]->type(1);
if (i<4) sliders[i]->align(FL_ALIGN_LEFT);
sliders[i]->callback((Fl_Callback*)do_redraw);
sliders[i]->step(1);
}
for (i=0;i<3;i++) {
choice[i]->value(0);
choice[i]->callback((Fl_Callback*)do_redraw);
}
test=new test_box(10,10,190,190);
test->end();
form->resizable(test);
form->end();
}
int main(int argc, char **argv) {
makeform(argv[0]);
form->show(argc,argv);
return Fl::run();
}
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