5251b64d57
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6616 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
//
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// "$Id$"
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//
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// Rounded box drawing routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2009 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_draw.H>
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#define RN 5
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#define RS 15
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#define BW 3
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static double offset[RN] = { 0.0, 0.07612, 0.29289, 0.61732, 1.0};
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static void rbox(int fill, int x, int y, int w, int h) {
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int i;
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int rsx ,rsy, rs;
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rsx = w*2/5; rsy = h*2/5;
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if (rsx > rsy) rs = rsy; else rs = rsx;
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if (rs > RS) rs = RS;
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rsx = rs; rsy = rs;
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if (fill) fl_begin_polygon(); else fl_begin_loop();
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for (i=0; i<RN; i++)
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fl_vertex(x + offset[RN-i-1]*rsx, y + offset[i] * rsy);
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for (i=0; i<RN; i++)
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fl_vertex(x + offset[i]*rsx, y + h-1 - offset[RN-i-1] * rsy);
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for (i=0; i<RN; i++)
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fl_vertex(x + w-1 - offset[RN-i-1]*rsx, y + h-1 - offset[i] * rsy);
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for (i=0; i<RN; i++)
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fl_vertex(x + w-1 - offset[i]*rsx, y + offset[RN-i-1] * rsy);
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if (fill) fl_end_polygon(); else fl_end_loop();
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}
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static void fl_rflat_box(int x, int y, int w, int h, Fl_Color c) {
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fl_color(c); rbox(1, x, y, w, h); rbox(0, x, y, w, h);
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}
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static void fl_rounded_frame(int x, int y, int w, int h, Fl_Color c) {
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fl_color(c); rbox(0, x, y, w, h);
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}
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static void fl_rounded_box(int x, int y, int w, int h, Fl_Color c) {
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fl_color(c); rbox(1, x, y, w, h);
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fl_color(FL_BLACK); rbox(0, x, y, w, h);
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}
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static void fl_rshadow_box(int x, int y, int w, int h, Fl_Color c) {
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// draw shadow:
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fl_color(FL_DARK3);
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rbox(1, x+BW, y+BW, w, h);
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rbox(0, x+BW, y+BW, w, h);
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// draw the box:
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fl_rounded_box(x, y, w, h, c);
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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_ROUNDED_BOX() {
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fl_internal_boxtype(_FL_ROUNDED_FRAME, fl_rounded_frame);
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fl_internal_boxtype(_FL_ROUNDED_BOX, fl_rounded_box);
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return _FL_ROUNDED_BOX;
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}
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Fl_Boxtype fl_define_FL_RFLAT_BOX() {
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fl_internal_boxtype(_FL_RFLAT_BOX, fl_rflat_box);
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return _FL_RFLAT_BOX;
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}
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Fl_Boxtype fl_define_FL_RSHADOW_BOX() {
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fl_internal_boxtype(_FL_RSHADOW_BOX, fl_rshadow_box);
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return _FL_RSHADOW_BOX;
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}
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//
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// End of "$Id$".
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//
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