02ca05c6b2
Although the memory "leak" is not really an issue in this demo program (memory is returned anyway), "fixing" the leak warning issued by valgrind and address sanitizer demonstrates the new feature to "bind" images.
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
//
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// Pixmap label test program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2023 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 <FL/Fl.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Button.H>
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#include <FL/Fl_Pixmap.H>
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#include <stdio.h>
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#include "pixmaps/porsche.xpm"
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#include <FL/Fl_Toggle_Button.H>
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Fl_Toggle_Button *leftb,*rightb,*topb,*bottomb,*insideb,*overb,*inactb;
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Fl_Button *b;
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Fl_Double_Window *w;
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void button_cb(Fl_Widget *,void *) {
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int i = 0;
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if (leftb->value()) i |= FL_ALIGN_LEFT;
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if (rightb->value()) i |= FL_ALIGN_RIGHT;
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if (topb->value()) i |= FL_ALIGN_TOP;
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if (bottomb->value()) i |= FL_ALIGN_BOTTOM;
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if (insideb->value()) i |= FL_ALIGN_INSIDE;
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if (overb->value()) i |= FL_ALIGN_TEXT_OVER_IMAGE;
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b->align(i);
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if (inactb->value()) b->deactivate();
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else b->activate();
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w->redraw();
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}
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int dvisual = 0;
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int arg(int, char **argv, int &i) {
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if (argv[i][1] == '8') {dvisual = 1; i++; return 1;}
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return 0;
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}
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#include <FL/Fl_Multi_Label.H>
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int main(int argc, char **argv) {
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int i = 1;
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if (Fl::args(argc,argv,i,arg) < argc)
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Fl::fatal(" -8 # : use default visual\n%s\n",Fl::help);
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Fl_Double_Window window(400,400); ::w = &window;
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Fl_Button b(140,160,120,120,"Pixmap"); ::b = &b;
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Fl_Pixmap *pixmap = new Fl_Pixmap(porsche_xpm);
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Fl_Pixmap *depixmap;
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depixmap = (Fl_Pixmap *)pixmap->copy();
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depixmap->inactive();
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// "bind" images to avoid memory leak reports (valgrind, asan)
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// note: these reports are benign because they appear at exit, but anyway
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b.bind_image(pixmap);
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b.bind_deimage(depixmap);
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leftb = new Fl_Toggle_Button(25,50,50,25,"left");
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leftb->callback(button_cb);
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rightb = new Fl_Toggle_Button(75,50,50,25,"right");
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rightb->callback(button_cb);
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topb = new Fl_Toggle_Button(125,50,50,25,"top");
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topb->callback(button_cb);
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bottomb = new Fl_Toggle_Button(175,50,50,25,"bottom");
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bottomb->callback(button_cb);
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insideb = new Fl_Toggle_Button(225,50,50,25,"inside");
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insideb->callback(button_cb);
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overb = new Fl_Toggle_Button(25,75,100,25,"text over");
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overb->callback(button_cb);
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inactb = new Fl_Toggle_Button(125,75,100,25,"inactive");
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inactb->callback(button_cb);
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if (!dvisual) Fl::visual(FL_RGB);
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window.resizable(window);
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window.end();
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window.show(argc,argv);
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return Fl::run();
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}
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