DO NOT REPLY TO THIS MESSAGE. INSTEAD, POST ANY RESPONSES TO THE LINK BELOW.
[STR New]
Link: http://www.fltk.org/str.php?L2310
Version: 1.3-feature
Link: http://www.fltk.org/str.php?L2310
Version: 1.3-feature
//
// "$Id: curve.cxx 6615 2009-01-01 16:35:13Z matt $"
//
// Curve test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2009 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_ask.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Hor_Value_Slider.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Toggle_Button.H>
#include <FL/Fl_Native_Printer.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Pixmap.H>
#include <FL/Fl_Box.H>
#include "porsche.xpm"
Fl_Pixmap porsche (porsche_xpm);
Fl_Button* bt = 0;
Fl_Double_Window *win = 0;
double args[9] = {
20,20, 50,200, 100,20, 200,200, 0};
const char* name[9] = {
"X0", "Y0", "X1", "Y1", "X2", "Y2", "X3", "Y3", "rotate"};
int points;
static void print_widget (Fl_Widget *w, int X, int Y)
{
int ox = w->x();
int oy = w->y();
w->position(X,Y);
w->damage(FL_DAMAGE_ALL);
w->draw();
w->position(ox,oy);
}
class Drawing : public Fl_Widget {
void draw() {
fl_push_clip(x(),y(),w(),h());
fl_color(FL_DARK3);
fl_rectf(x(),y(),w(),h());
fl_color(FL_RED);
fl_font(FL_HELVETICA, 14);
// tau epsilon chi tau
static unsigned utfs[4] = {0x3c4, 0x3b5, 0x3c7, 0x3c4};
char utf8[20] = "test UTF ";
for(int i = 0; i < 4; i++) {
char buf[5];
int l = fl_utf8encode(utfs[i], buf); buf[l] = 0;
strcat(utf8, buf);
}
fl_draw(utf8, x() + 5, y() + 15);
fl_color(FL_BLACK);
fl_font(FL_HELVETICA, 24);
fl_draw("bottom clipped text", x() + 5, y() + h() + 4);
printf ("porsche.draw()\n");
porsche.draw(x()+200,y()+10,64,64);
fl_push_matrix();
if (args[8]) {
fl_translate(x()+w()/2.0, y()+h()/2.0);
fl_rotate(args[8]);
fl_translate(-(x()+w()/2.0), -(y()+h()/2.0));
}
fl_translate(x(),y());
if (!points) {
fl_color(FL_WHITE);
fl_begin_complex_polygon();
fl_curve(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]);
fl_end_complex_polygon();
}
fl_color(FL_BLACK);
fl_begin_line();
fl_vertex(args[0],args[1]);
fl_vertex(args[2],args[3]);
fl_vertex(args[4],args[5]);
fl_vertex(args[6],args[7]);
fl_end_line();
fl_color(points ? FL_WHITE : FL_RED);
points ? fl_begin_points() : fl_begin_line();
fl_curve(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]);
points ? fl_end_points() : fl_end_line();
fl_pop_matrix();
fl_pop_clip();
}
public:
void print() {
this->draw();
}
Drawing(int X,int Y,int W,int H) : Fl_Widget(X,Y,W,H) {}
};
Drawing *d;
void points_cb(Fl_Widget* o, void*) {
points = ((Fl_Toggle_Button*)o)->value();
d->redraw();
}
void slider_cb(Fl_Widget* o, void* v) {
Fl_Slider* s = (Fl_Slider*)o;
args[long(v)] = s->value();
d->redraw();
}
void print_cb(Fl_Widget* o, void* v) {
int from, to, x, y, w, h;
int pmax = 3, start, end;
Drawing *d = (Drawing *)v;
// start print job and one page
Fl_Native_Printer printer;
if ( printer.startjob(pmax,&start,&end) ) return;
for (int np=start; np<=end; np++) { // all requested pages
if (printer.startpage() ) return;
// draw the printable area border
printer.getprintablerect(&x, &y, &w, &h);
printf ("startpage() %d: rect [%4d,%4d,%4d,%4d]",np,x,y,w,h);
fl_color(FL_GRAY);
fl_line_style(FL_SOLID, 1);
fl_rect(x,y,w,h);
// set plot such that its top left is at top left of printable area
printer.setorigin(x - d->x(), y - d->y());
d->print();
fl_color(FL_BLUE);
// redraw plot at a different place on the same page
printer.setorigin(100,450);
d->print();
// rescale and redraw plot with top left at page center
printer.rescale(.3,.3);
printer.getprintablerect(&x, &y, &w, &h);
printer.setorigin(x+w/2,y+h/2);
d->print();
// rescale
printer.rescale(1.0,1.0);
printer.getprintablerect(&x, &y, &w, &h);
printer.setorigin(x,y);
// print a button
int px, py;
px = bt->x(); py = bt->y();
bt->position(x+w/2,y+10);
bt->redraw(); // bt->damage(FL_DAMAGE_EXPOSE);
((Fl_Widget *)bt)->draw();
bt->position(px,py);
print_widget(bt,x+w/2,y+10+bt->h());
// print the whole window (scale: 0.5, position: bottom right)
float scale_x = 0.5, scale_y = 0.5;
printer.rescale(scale_x,scale_y);
printer.getprintablerect(&x, &y, &w, &h);
printf ("rescale %3.1f,%3.1f: rect
[%4d,%4d,%4d,%4d]",scale_x,scale_y,x,y,w,h);
printer.setorigin(x+w-win->w(),y+h-win->h());
print_widget(win,0,0);
win->redraw(); // win->damage(FL_DAMAGE_EXPOSE);
((Fl_Widget *)win)->draw();
// print the whole window again (scale: 0.3, position: top right)
scale_x = 0.3, scale_y = 0.3;
printer.rescale(scale_x,scale_y);
printer.getprintablerect(&x, &y, &w, &h);
printf ("rescale %3.1f,%3.1f: rect
[%4d,%4d,%4d,%4d]",scale_x,scale_y,x,y,w,h);
printer.setorigin(x+w-win->w(),y);
win->redraw(); // win->damage(FL_DAMAGE_EXPOSE);
((Fl_Widget *)win)->draw();
// print the page number
scale_x = 0.5, scale_y = 0.5;
printer.rescale(scale_x,scale_y);
printer.getprintablerect(&x, &y, &w, &h);
printf ("rescale %3.1f,%3.1f: rect
[%4d,%4d,%4d,%4d]",scale_x,scale_y,x,y,w,h);
char buf [40];
int pw = 0, ph = 0;
sprintf (buf,"[ page %d of %d ]",np,pmax);
fl_font(FL_HELVETICA, 14);
fl_color(FL_BLUE);
fl_measure(buf,pw,ph);
printer.setorigin(x,y+h-fl_descent());
fl_draw(buf, 0, 0);
// close page
printer.endpage();
} // (all requested pages)
// close print job
printer.endjob();
}
int main(int argc, char** argv) {
Fl_Double_Window window(300,555);
Drawing drawing(10,10,280,280);
d = &drawing;
win = &window;
int y = 300;
for (int n = 0; n<9; n++) {
Fl_Slider* s = new Fl_Hor_Value_Slider(50,y,240,25,name[n]); y += 25;
s->minimum(0); s->maximum(280);
if (n == 8) s->maximum(360);
s->step(1);
s->value(args[n]);
s->align(FL_ALIGN_LEFT);
s->callback(slider_cb, (void*)n);
}
Fl_Toggle_Button but(50,y,50,25,"points");
but.callback(points_cb);
bt = &but;
Fl_Button pbut(110, y, 50, 25, "Print");
pbut.callback(print_cb, d);
pbut.align(FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
window.end();
window.resizable(window);
window.size_range(win->w(),win->h());
window.show(argc,argv);
return Fl::run();
}
//
// End of "$Id: curve.cxx 6615 2009-01-01 16:35:13Z matt $".
//
_______________________________________________
fltk-dev mailing list
[email protected]
http://lists.easysw.com/mailman/listinfo/fltk-dev
