fltk/test/pixmap_browser.cxx

124 lines
3.0 KiB
C++

//
// "$Id$"
//
// A shared image test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2008 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Shared_Image.H>
#include <string.h>
#include <errno.h>
#include <FL/Fl_File_Chooser.H>
#include <FL/fl_message.H>
Fl_Box *b;
Fl_Window *w;
Fl_Shared_Image *img;
static char name[1024];
void load_file(const char *n) {
if (img) {
img->release();
img = 0L;
}
if (fl_filename_isdir(n)) {
b->label("@fileopen"); // show a generic folder
b->labelsize(64);
b->labelcolor(FL_LIGHT2);
b->image(0);
b->redraw();
return;
}
img = Fl_Shared_Image::get(n);
if (!img) {
b->label("@filenew"); // show an empty document
b->labelsize(64);
b->labelcolor(FL_LIGHT2);
b->image(0);
b->redraw();
return;
}
if (img->w() > b->w() || img->h() > b->h()) {
Fl_Image *temp;
if (img->w() > img->h()) temp = img->copy(b->w(), b->h() * img->h() / img->w());
else temp = img->copy(b->w() * img->w() / img->h(), b->h());
img->release();
img = (Fl_Shared_Image *)temp;
}
b->label(name);
b->labelsize(14);
b->labelcolor(FL_FOREGROUND_COLOR);
b->image(img);
b->redraw();
}
void file_cb(const char *n) {
if (!strcmp(name,n)) return;
load_file(n);
strcpy(name,n);
w->label(name);
}
void button_cb(Fl_Widget *,void *) {
fl_file_chooser_callback(file_cb);
fl_file_chooser("Image file?","*.{bm,bmp,gif,jpg,pbm,pgm,png,ppm,xbm,xpm}", name);
fl_file_chooser_callback(0);
}
int dvisual = 0;
int arg(int, char **argv, int &i) {
if (argv[i][1] == '8') {dvisual = 1; i++; return 1;}
return 0;
}
int main(int argc, char **argv) {
int i = 1;
fl_register_images();
Fl::args(argc,argv,i,arg);
Fl_Window window(400,435); ::w = &window;
Fl_Box b(10,45,380,380); ::b = &b;
b.box(FL_THIN_DOWN_BOX);
b.align(FL_ALIGN_INSIDE|FL_ALIGN_CENTER);
Fl_Button button(150,5,100,30,"load");
button.callback(button_cb);
if (!dvisual) Fl::visual(FL_RGB);
if (argv[1]) load_file(argv[1]);
window.resizable(window);
window.show(argc,argv);
return Fl::run();
}
//
// End of "$Id$".
//