651bf8d275
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4423 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
182 lines
4.4 KiB
C++
182 lines
4.4 KiB
C++
//
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// "$Id$"
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//
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// Font demo program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2005 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_Window.H>
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#include <FL/Fl_Hold_Browser.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Box.H>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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Fl_Window *form;
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class FontDisplay : public Fl_Widget {
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void draw();
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public:
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int font, size;
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FontDisplay(Fl_Boxtype B, int X, int Y, int W, int H, const char* L = 0) :
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Fl_Widget(X,Y,W,H,L) {box(B); font = 0; size = 14;}
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};
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void FontDisplay::draw() {
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draw_box();
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fl_font((Fl_Font)font, size);
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fl_color(FL_BLACK);
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fl_draw(label(), x()+3, y()+3, w()-6, h()-6, align());
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}
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FontDisplay *textobj;
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Fl_Hold_Browser *fontobj, *sizeobj;
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int **sizes;
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int *numsizes;
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int pickedsize = 14;
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void font_cb(Fl_Widget *, long) {
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int fn = fontobj->value();
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if (!fn) return;
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fn--;
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textobj->font = fn;
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sizeobj->clear();
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int n = numsizes[fn];
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int *s = sizes[fn];
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if (!n) {
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// no sizes
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} else if (s[0] == 0) {
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// many sizes;
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int j = 1;
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for (int i = 1; i<64 || i<s[n-1]; i++) {
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char buf[20];
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if (j < n && i==s[j]) {sprintf(buf,"@b%d",i); j++;}
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else sprintf(buf,"%d",i);
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sizeobj->add(buf);
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}
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sizeobj->value(pickedsize);
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} else {
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// some sizes
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int w = 0;
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for (int i = 0; i < n; i++) {
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if (s[i]<=pickedsize) w = i;
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char buf[20];
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sprintf(buf,"@b%d",s[i]);
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sizeobj->add(buf);
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}
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sizeobj->value(w+1);
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}
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textobj->redraw();
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}
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void size_cb(Fl_Widget *, long) {
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int i = sizeobj->value();
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if (!i) return;
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const char *c = sizeobj->text(i);
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while (*c < '0' || *c > '9') c++;
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pickedsize = atoi(c);
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textobj->size = pickedsize;
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textobj->redraw();
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}
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char label[400];
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void create_the_forms() {
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form = new Fl_Window(550,370);
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strcpy(label, "Hello, world!\n");
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int i = strlen(label);
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uchar c;
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for (c = ' '+1; c < 127; c++) {
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if (!(c&0x1f)) label[i++]='\n';
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if (c=='@') label[i++]=c;
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label[i++]=c;
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}
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label[i++] = '\n';
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for (c = 0xA1; c; c++) {if (!(c&0x1f)) label[i++]='\n'; label[i++]=c;}
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label[i] = 0;
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textobj = new FontDisplay(FL_FRAME_BOX,10,10,530,170,label);
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textobj->align(FL_ALIGN_TOP|FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
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textobj->color(9,47);
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fontobj = new Fl_Hold_Browser(10, 190, 390, 170);
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fontobj->box(FL_FRAME_BOX);
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fontobj->color(53,3);
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fontobj->callback(font_cb);
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form->resizable(fontobj);
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sizeobj = new Fl_Hold_Browser(410, 190, 130, 170);
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sizeobj->box(FL_FRAME_BOX);
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sizeobj->color(53,3);
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sizeobj->callback(size_cb);
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form->end();
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}
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#include <FL/fl_ask.H>
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int main(int argc, char **argv) {
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Fl::scheme(NULL);
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create_the_forms();
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#ifdef __APPLE__
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int i = 0;
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#else
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int i = fl_choice("Which fonts:","-*","iso8859","All");
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#endif
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int k = Fl::set_fonts(i ? (i>1 ? "*" : 0) : "-*");
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sizes = new int*[k];
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numsizes = new int[k];
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for (i = 0; i < k; i++) {
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int t; const char *name = Fl::get_font_name((Fl_Font)i,&t);
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char buffer[128];
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#if 1
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if (t) {
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char *p = buffer;
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if (t & FL_BOLD) {*p++ = '@'; *p++ = 'b';}
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if (t & FL_ITALIC) {*p++ = '@'; *p++ = 'i';}
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strcpy(p,name);
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name = buffer;
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}
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#else // this is neat, but really slow on some X servers:
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sprintf(buffer, "@F%d@.%s", i, name);
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name = buffer;
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#endif
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fontobj->add(name);
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int *s; int n = Fl::get_font_sizes((Fl_Font)i, s);
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numsizes[i] = n;
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if (n) {
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sizes[i] = new int[n];
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for (int j=0; j<n; j++) sizes[i][j] = s[j];
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}
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}
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fontobj->value(1);
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font_cb(fontobj,0);
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form->show(argc,argv);
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return Fl::run();
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}
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//
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// End of "$Id$".
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//
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