125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
//
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// "$Id: pixmap_browser.cxx 8344 2011-01-31 17:46:55Z manolo $"
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//
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// A shared image test program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2010 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include <FL/Fl.H>
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#include <FL/Fl_Box.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_Shared_Image.H>
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#include <string.h>
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#include <errno.h>
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#include <FL/Fl_File_Chooser.H>
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#include <FL/fl_message.H>
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Fl_Box *b;
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Fl_Double_Window *w;
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Fl_Shared_Image *img;
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static char name[1024];
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void load_file(const char *n) {
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if (img) {
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img->release();
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img = 0L;
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}
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if (fl_filename_isdir(n)) {
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b->label("@fileopen"); // show a generic folder
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b->labelsize(64);
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b->labelcolor(FL_LIGHT2);
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b->image(0);
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b->redraw();
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return;
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}
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img = Fl_Shared_Image::get(n);
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if (!img) {
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b->label("@filenew"); // show an empty document
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b->labelsize(64);
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b->labelcolor(FL_LIGHT2);
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b->image(0);
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b->redraw();
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return;
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}
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if (img->w() > b->w() || img->h() > b->h()) {
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Fl_Image *temp;
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if (img->w() > img->h()) temp = img->copy(b->w(), b->h() * img->h() / img->w());
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else temp = img->copy(b->w() * img->w() / img->h(), b->h());
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img->release();
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img = (Fl_Shared_Image *)temp;
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}
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b->label(name);
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b->labelsize(14);
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b->labelcolor(FL_FOREGROUND_COLOR);
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b->image(img);
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b->redraw();
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}
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void file_cb(const char *n) {
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if (!strcmp(name,n)) return;
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load_file(n);
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strcpy(name,n);
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w->label(name);
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}
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void button_cb(Fl_Widget *,void *) {
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fl_file_chooser_callback(file_cb);
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const char *fname = fl_file_chooser("Image file?","*.{bm,bmp,gif,jpg,pbm,pgm,png,ppm,xbm,xpm}", name);
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puts(fname ? fname : "(null)"); fflush(stdout);
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fl_file_chooser_callback(0);
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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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int main(int argc, char **argv) {
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int i = 1;
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fl_register_images();
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Fl::args(argc,argv,i,arg);
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Fl_Double_Window window(400,435); ::w = &window;
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Fl_Box b(10,45,380,380); ::b = &b;
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b.box(FL_THIN_DOWN_BOX);
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b.align(FL_ALIGN_INSIDE|FL_ALIGN_CENTER);
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Fl_Button button(150,5,100,30,"load");
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button.callback(button_cb);
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if (!dvisual) Fl::visual(FL_RGB);
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if (argv[1]) load_file(argv[1]);
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window.resizable(window);
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window.show(argc,argv);
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return Fl::run();
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}
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//
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// End of "$Id: pixmap_browser.cxx 8344 2011-01-31 17:46:55Z manolo $".
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//
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