fltk/test/resize-example4a.cxx
Duncan Gibson c132ac564e add resize examples as per STR3433
add example code for creating images for resize.dox
based on Article #415: How does resizing work?
https://www.fltk.org/articles.php?L415

see also https://www.fltk.org/str.php?L3433
2020-07-20 14:08:47 +02:00

100 lines
2.9 KiB
C++

//
// Resize example for use in the Fast Light Tool Kit (FLTK) documentation.
//
// See Article #415: How does resizing work?
// https://www.fltk.org/articles.php?L415
//
// Copyright 1998-2020 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:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#include "resize-arrows.h"
#include <FL/Fl_Double_Window.H>
// window, simplex and arrow dimensions
int TLx = 35, TRx = 320, TLw = 260, Ww = 620;
int TLy = 35, LGy = 100, TLh = 65, LGh = 70, LAh = 35, Wh = 200;
Fl_Double_Window *window = 0;
class Simplex : public Fl_Group {
public:
Simplex(int X, int Y, int W, int H, const char *T = 0);
Fl_Box *m_button1, *m_input1, *m_button2, *m_input2;
};
Simplex::Simplex(int X, int Y, int W, int H, const char *T)
: Fl_Group(X, Y, W, H, T) {
this->box(FL_UP_BOX);
Fl_Group *group = new Fl_Group(X + 10, Y + 10, 240, 45);
group->box(FL_NO_BOX);
m_button1 = new Fl_Box(X + 20, Y + 20, 40, 25, "btn");
m_button1->box(FL_UP_BOX);
m_input1 = new Fl_Box(X + 70, Y + 20, 50, 25, "input");
m_input1->box(FL_UP_BOX);
m_button2 = new Fl_Box(X + 140, Y + 20, 40, 25, "btn");
m_button2->box(FL_UP_BOX);
m_input2 = new Fl_Box(X + 190, Y + 20, 50, 25, "input");
m_input2->box(FL_UP_BOX);
m_input2->color(FL_YELLOW);
group->resizable(m_input2);
group->end();
this->resizable(group);
this->end();
}
class Resizables : public Fl_Group {
public:
Resizables(int X, int Y, int W, int H, const char *T = 0);
Simplex *TL, *TR; // top left, top right
Harrow *LA, *RA; // left arrow, right arrow
};
Resizables::Resizables(int X, int Y, int W, int H, const char *T)
: Fl_Group(X, Y, W, H, T) {
TL = new Simplex(X + TLx, Y + TLy, TLw, TLh, "Original");
TL->align(FL_ALIGN_TOP_LEFT);
TR = new Simplex(X + TRx, Y + TLy, TLw, TLh, "Horizonally Resized");
TR->align(FL_ALIGN_TOP_LEFT);
Fl_Group *LG = new Fl_Group(X + TLx, Y + LGy, TLw, LGh);
LG->box(FL_NO_BOX);
LG->color(FL_WHITE);
LA = new Harrow(TL->m_input2->x(), LG->y(), TL->m_input2->w(), LAh, "Initial\nwidth");
LG->resizable(LA);
LG->end();
Fl_Group *RG = new Fl_Group(X + TRx, Y + LGy, TLw, LGh);
RG->box(FL_NO_BOX);
RG->color(FL_WHITE);
RA = new Harrow(TR->m_input2->x(), RG->y(), TR->m_input2->w(), LAh, "Resized\nwidth");
RG->resizable(RA);
RG->end();
this->resizable(TR);
this->end();
}
int main(int argc, char **argv) {
window = new Fl_Double_Window(Ww, Wh, "resize-example4a");
window->color(FL_WHITE);
Resizables *resizables = new Resizables(0, 0, Ww, Wh);
window->end();
window->resizable(resizables);
window->size_range(Ww, Wh);
window->show(argc, argv);
window->size(Ww + 90, Wh);
return Fl::run();
}