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//
// "$Id$"
//
// A shared image test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2015 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// 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_Double_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/Fl_Printer.H>
#include <string.h>
#include <errno.h>
#include <FL/Fl_File_Chooser.H>
#include <FL/fl_message.H>
Fl_Box *b;
Fl_Double_Window *w;
Fl_Shared_Image *img;
static char name[1024];
void load_file(const char *n) {
if (img) {
((Fl_Shared_Image*)b->image())->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;
}
Fl_Shared_Image *img2 = Fl_Shared_Image::get(n);
if (!img2) {
b->label("@filenew"); // show an empty document
b->labelsize(64);
b->labelcolor(FL_LIGHT2);
b->image(0);
b->redraw();
return;
}
img = img2;
b->labelsize(14);
b->labelcolor(FL_FOREGROUND_COLOR);
#if FLTK_ABI_VERSION >= 10304
b->image(img);
img->scale(b->w(), b->h());
#else
if (img->w() <= b->w() && img->h() <= b->h()) b->image(img);
else {
float fw = img->w() / float(b->w());
float fh = img->h() / float(b->h());
float f = fw > fh ? fw : fh;
b->image(img->copy(int(img->w()/f), int(img->h()/f)));
img->release();
}
#endif
b->label(NULL);
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);
const char *fname = fl_file_chooser("Image file?","*.{bm,bmp,gif,jpg,pbm,pgm,png,ppm,xbm,xpm}", name);
puts(fname ? fname : "(null)"); fflush(stdout);
fl_file_chooser_callback(0);
}
void print_cb(Fl_Widget *widget, void *) {
Fl_Printer printer;
int width, height;
if (printer.start_job(1)) return;
printer.start_page();
printer.printable_rect(&width, &height);
float fw = widget->window()->decorated_w() / float(width);
float fh = widget->window()->decorated_h() / float(height);
if (fh > fw) fw = fh;
printer.scale(1/fw);
printer.print_window(widget->window());
printer.end_page();
printer.end_job();
}
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_Double_Window window(400,450); ::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_ALIGN_CLIP);
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(b);
Fl_Button print(300,425,50,25,"Print");
print.callback(print_cb);
window.show(argc,argv);
return Fl::run();
}
//
// End of "$Id$".
//
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