dc6357bf1a
STR #993, STR #990, and a few others git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4551 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
//
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// "$Id$"
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//
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// Round box drawing routines 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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// Box drawing code for an obscure box type.
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// These box types are in seperate files so they are not linked
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// in if not used.
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#include <FL/Fl.H>
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#include <FL/fl_draw.H>
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// A compiler from a certain very large software company will not compile
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// the function pointer assignment due to the name conflict with fl_arc.
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// This function is to fix that:
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void fl_arc_i(int x,int y,int w,int h,double a1,double a2) {
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fl_arc(x,y,w,h,a1,a2);
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}
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enum {UPPER_LEFT, LOWER_RIGHT, CLOSED, FILL};
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static void draw(int which, int x,int y,int w,int h, int inset, uchar color)
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{
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if (inset*2 >= w) inset = (w-1)/2;
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if (inset*2 >= h) inset = (h-1)/2;
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x += inset;
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y += inset;
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w -= 2*inset;
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h -= 2*inset;
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int d = w <= h ? w : h;
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if (d <= 1) return;
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fl_color((Fl_Color)color);
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void (*f)(int,int,int,int,double,double);
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f = (which==FILL) ? fl_pie : fl_arc_i;
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if (which >= CLOSED) {
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f(x+w-d, y, d, d, w<=h ? 0 : -90, w<=h ? 180 : 90);
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f(x, y+h-d, d, d, w<=h ? 180 : 90, w<=h ? 360 : 270);
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} else if (which == UPPER_LEFT) {
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f(x+w-d, y, d, d, 45, w<=h ? 180 : 90);
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f(x, y+h-d, d, d, w<=h ? 180 : 90, 225);
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} else { // LOWER_RIGHT
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f(x, y+h-d, d, d, 225, w<=h ? 360 : 270);
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f(x+w-d, y, d, d, w<=h ? 360 : 270, 360+45);
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}
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if (which == FILL) {
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if (w < h)
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fl_rectf(x, y+d/2, w, h-(d&-2));
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else if (w > h)
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fl_rectf(x+d/2, y, w-(d&-2), h);
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} else {
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if (w < h) {
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if (which != UPPER_LEFT) fl_yxline(x+w-1, y+d/2-1, y+h-d/2+1);
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if (which != LOWER_RIGHT) fl_yxline(x, y+d/2-1, y+h-d/2+1);
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} else if (w > h) {
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if (which != UPPER_LEFT) fl_xyline(x+d/2-1, y+h-1, x+w-d/2+1);
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if (which != LOWER_RIGHT) fl_xyline(x+d/2-1, y, x+w-d/2+1);
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}
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}
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}
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extern uchar* fl_gray_ramp();
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void fl_round_down_box(int x, int y, int w, int h, Fl_Color bgcolor) {
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uchar *g = fl_gray_ramp();
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draw(FILL, x, y, w, h, 2, bgcolor);
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draw(UPPER_LEFT, x+1, y, w-2, h, 0, g['N']);
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draw(UPPER_LEFT, x+1, y, w-2, h, 1, g['H']);
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draw(UPPER_LEFT, x, y, w, h, 0, g['N']);
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draw(UPPER_LEFT, x, y, w, h, 1, g['H']);
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draw(LOWER_RIGHT, x, y, w, h, 0, g['S']);
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draw(LOWER_RIGHT, x+1, y, w-2, h, 0, g['U']);
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draw(LOWER_RIGHT, x, y, w, h, 1, g['U']);
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draw(LOWER_RIGHT, x+1, y, w-2, h, 1, g['W']);
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draw(CLOSED, x, y, w, h, 2, g['A']);
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}
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void fl_round_up_box(int x, int y, int w, int h, Fl_Color bgcolor) {
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uchar *g = fl_gray_ramp();
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draw(FILL, x, y, w, h, 2, bgcolor);
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draw(LOWER_RIGHT, x+1, y, w-2, h, 0, g['H']);
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draw(LOWER_RIGHT, x+1, y, w-2, h, 1, g['N']);
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draw(LOWER_RIGHT, x, y, w, h, 1, g['H']);
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draw(LOWER_RIGHT, x, y, w, h, 2, g['N']);
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draw(UPPER_LEFT, x, y, w, h, 2, g['U']);
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draw(UPPER_LEFT, x+1, y, w-2, h, 1, g['S']);
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draw(UPPER_LEFT, x, y, w, h, 1, g['W']);
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draw(UPPER_LEFT, x+1, y, w-2, h, 0, g['U']);
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draw(CLOSED, x, y, w, h, 0, g['A']);
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}
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extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
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Fl_Boxtype fl_define_FL_ROUND_UP_BOX() {
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fl_internal_boxtype(_FL_ROUND_DOWN_BOX, fl_round_down_box);
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fl_internal_boxtype(_FL_ROUND_UP_BOX, fl_round_up_box);
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return _FL_ROUND_UP_BOX;
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}
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//
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// End of "$Id$".
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//
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