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//
// "$Id: fonts.cxx 5519 2006-10-11 03:12:15Z mike $"
//
// Font demo program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 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_Window.H>
#include <FL/Fl_Hold_Browser.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Box.H>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
Fl_Window *form;
class FontDisplay : public Fl_Widget {
void draw();
public:
int font, size;
FontDisplay(Fl_Boxtype B, int X, int Y, int W, int H, const char* L = 0) :
Fl_Widget(X,Y,W,H,L) {box(B); font = 0; size = 14;}
};
void FontDisplay::draw() {
draw_box();
fl_font((Fl_Font)font, size);
fl_color(FL_BLACK);
fl_draw(label(), x()+3, y()+3, w()-6, h()-6, align());
}
FontDisplay *textobj;
Fl_Hold_Browser *fontobj, *sizeobj;
int **sizes;
int *numsizes;
int pickedsize = 14;
void font_cb(Fl_Widget *, long) {
int fn = fontobj->value();
if (!fn) return;
fn--;
textobj->font = fn;
sizeobj->clear();
int n = numsizes[fn];
int *s = sizes[fn];
if (!n) {
// no sizes
} else if (s[0] == 0) {
// many sizes;
int j = 1;
for (int i = 1; i<64 || i<s[n-1]; i++) {
char buf[20];
if (j < n && i==s[j]) {sprintf(buf,"@b%d",i); j++;}
else sprintf(buf,"%d",i);
sizeobj->add(buf);
}
sizeobj->value(pickedsize);
} else {
// some sizes
int w = 0;
for (int i = 0; i < n; i++) {
if (s[i]<=pickedsize) w = i;
char buf[20];
sprintf(buf,"@b%d",s[i]);
sizeobj->add(buf);
}
sizeobj->value(w+1);
}
textobj->redraw();
}
void size_cb(Fl_Widget *, long) {
int i = sizeobj->value();
if (!i) return;
const char *c = sizeobj->text(i);
while (*c < '0' || *c > '9') c++;
pickedsize = atoi(c);
textobj->size = pickedsize;
textobj->redraw();
}
char label[400];
void create_the_forms() {
form = new Fl_Window(550,370);
strcpy(label, "Hello, world!\n");
int i = strlen(label);
uchar c;
for (c = ' '+1; c < 127; c++) {
if (!(c&0x1f)) label[i++]='\n';
if (c=='@') label[i++]=c;
label[i++]=c;
}
label[i++] = '\n';
for (c = 0xA1; c; c++) {if (!(c&0x1f)) label[i++]='\n'; label[i++]=c;}
label[i] = 0;
textobj = new FontDisplay(FL_FRAME_BOX,10,10,530,170,label);
textobj->align(FL_ALIGN_TOP|FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
textobj->color(9,47);
fontobj = new Fl_Hold_Browser(10, 190, 390, 170);
fontobj->box(FL_FRAME_BOX);
fontobj->color(53,3);
fontobj->callback(font_cb);
form->resizable(fontobj);
sizeobj = new Fl_Hold_Browser(410, 190, 130, 170);
sizeobj->box(FL_FRAME_BOX);
sizeobj->color(53,3);
sizeobj->callback(size_cb);
form->end();
}
#include <FL/fl_ask.H>
int main(int argc, char **argv) {
Fl::scheme(NULL);
Fl::args(argc, argv);
Fl::get_system_colors();
create_the_forms();
#ifdef __APPLE__
int i = 0;
#else
int i = fl_choice("Which fonts:","-*","iso8859","All");
#endif
int k = Fl::set_fonts(i ? (i>1 ? "*" : 0) : "-*");
sizes = new int*[k];
numsizes = new int[k];
for (i = 0; i < k; i++) {
int t; const char *name = Fl::get_font_name((Fl_Font)i,&t);
char buffer[128];
#if 1
if (t) {
char *p = buffer;
if (t & FL_BOLD) {*p++ = '@'; *p++ = 'b';}
if (t & FL_ITALIC) {*p++ = '@'; *p++ = 'i';}
strcpy(p,name);
name = buffer;
}
#else // this is neat, but really slow on some X servers:
sprintf(buffer, "@F%d@.%s", i, name);
name = buffer;
#endif
fontobj->add(name);
int *s; int n = Fl::get_font_sizes((Fl_Font)i, s);
numsizes[i] = n;
if (n) {
sizes[i] = new int[n];
for (int j=0; j<n; j++) sizes[i][j] = s[j];
}
}
fontobj->value(1);
font_cb(fontobj,0);
form->show(argc,argv);
return Fl::run();
}
//
// End of "$Id: fonts.cxx 5519 2006-10-11 03:12:15Z mike $".
//
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