ref: 2c23de27d5006e969106fad672399fafe6464845
dir: /DoConfig/fltk/test/pixmap_browser.cxx/
// // "$Id$" // // 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 "$Id$". //