c132ac564e
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
127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
//
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// Resize example for use in the Fast Light Tool Kit (FLTK) documentation.
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//
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// See Article #415: How does resizing work?
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// https://www.fltk.org/articles.php?L415
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//
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// Copyright 1998-2020 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#include "resize-arrows.h"
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Button.H>
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// resize dialog and arrow dimensions
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int TLx = 35, TRx = 270, TGx = 470, TLw = 200, TGw = 120, TAw = 35;
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int TLy = 35, BLy = 160, LGy = 250, TLh = 90, LGh = 90, LAh = 35;
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// window dimensions
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int Ww = 590, Wh = 340;
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Fl_Double_Window *window;
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class ResizeDialog : public Fl_Group {
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public:
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ResizeDialog(int X, int Y, int W, int H, const char *T = 0);
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Fl_Box *m_icon;
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Fl_Box *m_message;
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Fl_Button *m_button;
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};
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ResizeDialog::ResizeDialog(int X, int Y, int W, int H, const char *T)
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: Fl_Group(X, Y, W, H, T) {
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this->align(FL_ALIGN_TOP_LEFT);
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this->box(FL_UP_BOX);
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m_icon = new Fl_Box(X + 10, Y + 10, 30, 30, "!");
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m_icon->box(FL_DOWN_BOX);
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m_message = new Fl_Box(X + 50, Y + 10, 140, 30, "Out of Memory");
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m_message->box(FL_DOWN_BOX);
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m_message->color(FL_YELLOW);
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Fl_Group *group = new Fl_Group(X + 50, Y + 50, 140, 30);
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Fl_Box *b = new Fl_Box(X + 50, Y + 50, 90, 30, "R");
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b->box(FL_UP_BOX);
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// b->color(FL_YELLOW);
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m_button = new Fl_Button(X + 140, Y + 50, 50, 30, "Darn!");
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group->resizable(b);
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group->end();
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this->end();
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this->resizable(m_message);
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}
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class Resizables : public Fl_Group {
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public:
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Resizables(int X, int Y, int W, int H, const char *T = 0);
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ResizeDialog *TL, *TR, *BL, *BR; // topleft, topright, bottomleft, bottomright
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Harrow *LA, *RA; // left arrow, right arrow
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Varrow *TA, *BA; // top arrow, bottom arrow
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};
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Resizables::Resizables(int X, int Y, int W, int H, const char *T)
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: Fl_Group(X, Y, W, H, T) {
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this->box(FL_UP_BOX);
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this->color(FL_WHITE);
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TL = new ResizeDialog(X + TLx, Y + TLy, TLw, TLh, "Original Size");
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TL->resizable(0);
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TR = new ResizeDialog(X + TRx, Y + TLy, TLw, TLh, "Horizontally Resized");
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BL = new ResizeDialog(X + TLx, Y + BLy, TLw, TLh, "Vertically Resized");
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BR = new ResizeDialog(X + TRx, Y + BLy, TLw, TLh, "Horizontally and Vertically Resized");
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Fl_Group *LG = new Fl_Group(X + TLx, Y + LGy, TLw, LGh);
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LG->box(FL_NO_BOX);
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LG->color(FL_WHITE);
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LA = new Harrow(BL->m_message->x(), LG->y(), BL->m_message->w(), LAh, "Initial\nwidth");
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LG->resizable(LA);
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LG->end();
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Fl_Group *RG = new Fl_Group(X + TRx, Y + LGy, TLw, LGh);
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RG->box(FL_NO_BOX);
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RG->color(FL_WHITE);
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RA = new Harrow(BR->m_message->x(), LG->y(), BL->m_message->w(), LAh, "Resized\nwidth");
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RG->resizable(RA);
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RG->end();
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Fl_Group *TG = new Fl_Group(X + TGx, Y + TLy, TGw, TLh);
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TG->box(FL_NO_BOX);
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TG->color(FL_WHITE);
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TA = new Varrow(TG->x(), TR->m_message->y(), TAw, TR->m_message->h(), "Initial\nheight");
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TG->resizable(TA);
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TG->end();
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Fl_Group *BG = new Fl_Group(X + TGx, Y + BLy, TGw, TLh);
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BG->box(FL_NO_BOX);
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BG->color(FL_WHITE);
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BA = new Varrow(BG->x(), BR->m_message->y(), TAw, BR->m_message->h(), "Resized\nheight");
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BG->resizable(BA);
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BG->end();
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this->resizable(BR);
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this->end();
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}
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int main(int argc, char **argv) {
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window = new Fl_Double_Window(Ww, Wh, "resize-example3c");
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window->color(FL_WHITE);
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Resizables *resizables = new Resizables(0, 0, Ww, Wh);
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window->end();
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window->resizable(resizables);
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window->size_range(Ww, Wh);
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window->show(argc, argv);
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window->size(Ww + 50, Wh + 35);
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Fl::visible_focus(0); // suppress focus box
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return Fl::run();
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}
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