e454f97acc
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7903 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
//
|
|
// "$Id$"
|
|
//
|
|
// Round box drawing routines for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 1998-2010 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
|
|
//
|
|
|
|
// Box drawing code for an obscure box type.
|
|
// These box types are in separate files so they are not linked
|
|
// in if not used.
|
|
|
|
#include <FL/Fl.H>
|
|
#include <FL/fl_draw.H>
|
|
|
|
// A compiler from a certain very large software company will not compile
|
|
// the function pointer assignment due to the name conflict with fl_arc.
|
|
// This function is to fix that:
|
|
void fl_arc_i(int x,int y,int w,int h,double a1,double a2) {
|
|
fl_arc(x,y,w,h,a1,a2);
|
|
}
|
|
|
|
enum {UPPER_LEFT, LOWER_RIGHT, CLOSED, FILL};
|
|
|
|
static void draw(int which, int x,int y,int w,int h, int inset, Fl_Color color)
|
|
{
|
|
if (inset*2 >= w) inset = (w-1)/2;
|
|
if (inset*2 >= h) inset = (h-1)/2;
|
|
x += inset;
|
|
y += inset;
|
|
w -= 2*inset;
|
|
h -= 2*inset;
|
|
int d = w <= h ? w : h;
|
|
if (d <= 1) return;
|
|
fl_color(color);
|
|
void (*f)(int,int,int,int,double,double);
|
|
f = (which==FILL) ? fl_pie : fl_arc_i;
|
|
if (which >= CLOSED) {
|
|
f(x+w-d, y, d, d, w<=h ? 0 : -90, w<=h ? 180 : 90);
|
|
f(x, y+h-d, d, d, w<=h ? 180 : 90, w<=h ? 360 : 270);
|
|
} else if (which == UPPER_LEFT) {
|
|
f(x+w-d, y, d, d, 45, w<=h ? 180 : 90);
|
|
f(x, y+h-d, d, d, w<=h ? 180 : 90, 225);
|
|
} else { // LOWER_RIGHT
|
|
f(x, y+h-d, d, d, 225, w<=h ? 360 : 270);
|
|
f(x+w-d, y, d, d, w<=h ? 360 : 270, 360+45);
|
|
}
|
|
if (which == FILL) {
|
|
if (w < h)
|
|
fl_rectf(x, y+d/2, w, h-(d&-2));
|
|
else if (w > h)
|
|
fl_rectf(x+d/2, y, w-(d&-2), h);
|
|
} else {
|
|
if (w < h) {
|
|
if (which != UPPER_LEFT) fl_yxline(x+w-1, y+d/2-1, y+h-d/2+1);
|
|
if (which != LOWER_RIGHT) fl_yxline(x, y+d/2-1, y+h-d/2+1);
|
|
} else if (w > h) {
|
|
if (which != UPPER_LEFT) fl_xyline(x+d/2-1, y+h-1, x+w-d/2+1);
|
|
if (which != LOWER_RIGHT) fl_xyline(x+d/2-1, y, x+w-d/2+1);
|
|
}
|
|
}
|
|
}
|
|
|
|
extern uchar* fl_gray_ramp();
|
|
|
|
void fl_round_down_box(int x, int y, int w, int h, Fl_Color bgcolor) {
|
|
uchar *g = fl_gray_ramp();
|
|
draw(FILL, x, y, w, h, 2, bgcolor);
|
|
draw(UPPER_LEFT, x+1, y, w-2, h, 0, (Fl_Color)g['N']);
|
|
draw(UPPER_LEFT, x+1, y, w-2, h, 1, (Fl_Color)g['H']);
|
|
draw(UPPER_LEFT, x, y, w, h, 0, (Fl_Color)g['N']);
|
|
draw(UPPER_LEFT, x, y, w, h, 1, (Fl_Color)g['H']);
|
|
draw(LOWER_RIGHT, x, y, w, h, 0, (Fl_Color)g['S']);
|
|
draw(LOWER_RIGHT, x+1, y, w-2, h, 0, (Fl_Color)g['U']);
|
|
draw(LOWER_RIGHT, x, y, w, h, 1, (Fl_Color)g['U']);
|
|
draw(LOWER_RIGHT, x+1, y, w-2, h, 1, (Fl_Color)g['W']);
|
|
draw(CLOSED, x, y, w, h, 2, (Fl_Color)g['A']);
|
|
}
|
|
|
|
void fl_round_up_box(int x, int y, int w, int h, Fl_Color bgcolor) {
|
|
uchar *g = fl_gray_ramp();
|
|
draw(FILL, x, y, w, h, 2, bgcolor);
|
|
draw(LOWER_RIGHT, x+1, y, w-2, h, 0, (Fl_Color)g['H']);
|
|
draw(LOWER_RIGHT, x+1, y, w-2, h, 1, (Fl_Color)g['N']);
|
|
draw(LOWER_RIGHT, x, y, w, h, 1, (Fl_Color)g['H']);
|
|
draw(LOWER_RIGHT, x, y, w, h, 2, (Fl_Color)g['N']);
|
|
draw(UPPER_LEFT, x, y, w, h, 2, (Fl_Color)g['U']);
|
|
draw(UPPER_LEFT, x+1, y, w-2, h, 1, (Fl_Color)g['S']);
|
|
draw(UPPER_LEFT, x, y, w, h, 1, (Fl_Color)g['W']);
|
|
draw(UPPER_LEFT, x+1, y, w-2, h, 0, (Fl_Color)g['U']);
|
|
draw(CLOSED, x, y, w, h, 0, (Fl_Color)g['A']);
|
|
}
|
|
|
|
extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
|
|
Fl_Boxtype fl_define_FL_ROUND_UP_BOX() {
|
|
fl_internal_boxtype(_FL_ROUND_DOWN_BOX, fl_round_down_box);
|
|
fl_internal_boxtype(_FL_ROUND_UP_BOX, fl_round_up_box);
|
|
return _FL_ROUND_UP_BOX;
|
|
}
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|