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
129 lines
4.4 KiB
C++
129 lines
4.4 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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Fl_Double_Window *window;
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// inner box dimensions
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int Ax = 0, Bx = 35, Cx = 70, Dx = 105, Nx = 140, Aw = 35, Rw = 70, Mw = 140;
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int Ay = 0, Ey = 35, Gy = 70, Iy = 105, My = 140, Ah = 35, Rh = 70, Nh = 175;
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// resize box and arrow group dimensions
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int TLx = 35, TRx = 245, TGx = 420, TLw = 175, TGw = 140, TAw = 35;
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int TLy = 35, BLy = 245, LGy = 420, TLh = 175, LGh = 105, LAh = 35;
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// window dimensions
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int Ww = 560, Wh = 525;
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class Resizebox : public Fl_Group {
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public:
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Resizebox(int X, int Y, int W, int H, const char *T);
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};
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Resizebox::Resizebox(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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Fl_Box *b;
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b = new Fl_Box(FL_FRAME_BOX, X + Ax, Y + Ay, Aw, Ah, "A"); b->color(14);
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b = new Fl_Box(FL_FRAME_BOX, X + Bx, Y + Ay, Aw, Ah, "B"); b->color(9);
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b = new Fl_Box(FL_FRAME_BOX, X + Cx, Y + Ay, Aw, Ah, "C"); b->color(10);
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b = new Fl_Box(FL_FRAME_BOX, X + Dx, Y + Ay, Aw, Ah, "D"); b->color(11);
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b = new Fl_Box(FL_FRAME_BOX, X + Ax, Y + Ey, Aw, Ah, "E"); b->color(9);
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b = new Fl_Box(FL_FRAME_BOX, X + Bx, Y + Ey, Rw, Rh, " "); b->color(8);
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b = new Fl_Box(FL_FRAME_BOX, X + Dx, Y + Ey, Aw, Ah, "F"); b->color(12);
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b = new Fl_Box(FL_FRAME_BOX, X + Ax, Y + Gy, Aw, Ah, "G"); b->color(10);
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b = new Fl_Box(FL_FRAME_BOX, X + Dx, Y + Gy, Aw, Ah, "H"); b->color(13);
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b = new Fl_Box(FL_FRAME_BOX, X + Ax, Y + Iy, Aw, Ah, "I"); b->color(11);
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b = new Fl_Box(FL_FRAME_BOX, X + Bx, Y + Iy, Aw, Ah, "J"); b->color(12);
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b = new Fl_Box(FL_FRAME_BOX, X + Cx, Y + Iy, Aw, Ah, "K"); b->color(13);
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b = new Fl_Box(FL_FRAME_BOX, X + Dx, Y + Iy, Aw, Ah, "L"); b->color(14);
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b = new Fl_Box(FL_FRAME_BOX, X + Ax, Y + My, Mw, Ah, "M"); b->color(12);
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b = new Fl_Box(FL_FRAME_BOX, X + Nx, Y + Ay, Aw, Nh, "N"); b->color(13);
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this->end();
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this->resizable(this);
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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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Resizebox *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 Resizebox(X + TLx, Y + TLy, TLw, TLh, "Original Size");
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TL->resizable(0);
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TR = new Resizebox(X + TRx, Y + TLy, TLw, TLh, "Horizontally Resized");
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BL = new Resizebox(X + TLx, Y + BLy, TLw, TLh, "Vertically Resized");
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BR = new Resizebox(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(LG->x(), LG->y(), LG->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(RG->x(), RG->y(), RG->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(X + TGx, Y + TLy, TAw, TLh, "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(X + TGx, Y + BLy, TAw, TLh, "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-example1");
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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 + 140, Wh + 35);
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return Fl::run();
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}
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