428 lines
14 KiB
C
428 lines
14 KiB
C
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include "Boxtypes.H"
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#include <FL/fl_draw.H>
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#include <string.h>
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/** This simple box is suitable for use with knob-type widgets. It
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* comprises a border with shadow, and a cap with glare-lines akin
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* to those seen on burnished aluminum knobs. */
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static void
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burnished_oval_box ( int x, int y, int w, int h, Fl_Color c )
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{
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/* draw background */
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fl_color( fl_darker( c ) );
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fl_pie( x, y, w, h, 0, 360 );
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fl_color( fl_darker( fl_darker( c ) ) );
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fl_pie( x, y, w, h, 180 + 215, 180 + 45 );
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/* shrink */
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x += 4;
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y += 4;
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w -= 7;
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h -= 7;
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/* draw cap */
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fl_color( c );
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fl_pie( x, y, w, h, 0, 360 );
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/* draw glare */
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const int a1 = 10;
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const int a2 = 90;
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fl_color( fl_lighter( c ) );
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fl_pie( x, y, w, h, a1, a2 );
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fl_pie( x, y, w, h, 180 + a1, 180 + a2 );
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fl_color( fl_lighter( fl_lighter( c ) ) );
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const int d = (a2 - a1) / 2;
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fl_pie( x, y, w, h, a1 + (d / 2), a2 - (d / 2) );
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fl_pie( x, y, w, h, 180 + a1 + (d / 2), 180 + a2 - (d / 2) );
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}
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/* Crystal boxes, base (obviously) on the FLTK1 'plastic' boxes, but
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* without the rude color blending and with a slightly enhanced
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* appearance. */
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extern uchar *fl_gray_ramp();
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inline Fl_Color
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shade_color ( uchar gc, Fl_Color bc )
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{
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return fl_color_average( ( Fl_Color ) gc, bc, 0.25f );
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}
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static void
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frame_rect ( int x, int y, int w, int h, const char *c, Fl_Color bc )
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{
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uchar *g = fl_gray_ramp();
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int b = strlen( c ) / 4 + 1;
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for ( x += b, y += b, w -= 2 * b, h -= 2 * b; b > 1; b-- )
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{
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// Draw lines around the perimeter of the button, 4 colors per
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// circuit.
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fl_color( shade_color( g[*c++], bc ) );
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fl_line( x, y + h + b, x + w - 1, y + h + b, x + w + b - 1, y + h );
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fl_color( shade_color( g[*c++], bc ) );
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fl_line( x + w + b - 1, y + h, x + w + b - 1, y, x + w - 1, y - b );
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fl_color( shade_color( g[*c++], bc ) );
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fl_line( x + w - 1, y - b, x, y - b, x - b, y );
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fl_color( shade_color( g[*c++], bc ) );
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fl_line( x - b, y, x - b, y + h, x, y + h + b );
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}
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}
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static void
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frame_round ( int x, int y, int w, int h, const char *c, Fl_Color bc )
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{
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uchar *g = fl_gray_ramp();
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int b = strlen( c ) / 4 + 1;
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if ( w == h )
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{
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for ( ; b > 1; b--, x++, y++, w -= 2, h -= 2 )
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{
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, w, h, 45.0, 135.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, w, h, 315.0, 405.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, w, h, 225.0, 315.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, w, h, 135.0, 225.0 );
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}
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}
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else if ( w > h )
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{
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int d = h / 2;
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for ( ; b > 1; d--, b--, x++, y++, w -= 2, h -= 2 )
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{
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, h, h, 90.0, 135.0 );
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fl_xyline( x + d, y, x + w - d );
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fl_arc( x + w - h, y, h, h, 45.0, 90.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x + w - h, y, h, h, 315.0, 405.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x + w - h, y, h, h, 270.0, 315.0 );
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fl_xyline( x + d, y + h - 1, x + w - d );
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fl_arc( x, y, h, h, 225.0, 270.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, h, h, 135.0, 225.0 );
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}
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}
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else if ( w < h )
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{
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int d = w / 2;
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for ( ; b > 1; d--, b--, x++, y++, w -= 2, h -= 2 )
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{
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, w, w, 45.0, 135.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y, w, w, 0.0, 45.0 );
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fl_yxline( x + w - 1, y + d, y + h - d );
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fl_arc( x, y + h - w, w, w, 315.0, 360.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y + h - w, w, w, 225.0, 315.0 );
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fl_color( shade_color( g[*c++], bc ) );
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fl_arc( x, y + h - w, w, w, 180.0, 225.0 );
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fl_yxline( x, y + d, y + h - d );
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fl_arc( x, y, w, w, 135.0, 180.0 );
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}
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}
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}
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static void
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shade_rect ( int x, int y, int w, int h, const char *c, Fl_Color bc )
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{
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uchar *g = fl_gray_ramp();
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int i, j;
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int clen = strlen( c ) - 1;
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int chalf = clen / 2;
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int cstep = 1;
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if ( h < ( w * 2 ) )
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{
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// Horizontal shading...
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if ( clen >= h )
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cstep = 2;
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for ( i = 0, j = 0; j < chalf; i++, j += cstep )
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{
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// Draw the top line and points...
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fl_color( shade_color( g[c[i]], bc ) );
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fl_xyline( x + 1, y + i, x + w - 2 );
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fl_color( shade_color( g[c[i] - 2], bc ) );
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fl_point( x, y + i + 1 );
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fl_point( x + w - 1, y + i + 1 );
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// Draw the bottom line and points...
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fl_color( shade_color( g[c[clen - i]], bc ) );
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fl_xyline( x + 1, y + h - i, x + w - 2 );
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fl_color( shade_color( g[c[clen - i] - 2], bc ) );
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fl_point( x, y + h - i );
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fl_point( x + w - 1, y + h - i );
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}
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// Draw the interior and sides...
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i = chalf / cstep;
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// fl_color( shade_color( g[c[chalf]], bc ) );
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fl_color( bc );
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fl_rectf( x + 1, y + i, w - 2, h - 2 * i + 1 );
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fl_color( shade_color( g[c[chalf] - 2], bc ) );
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fl_yxline( x, y + i, y + h - i );
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fl_yxline( x + w - 1, y + i, y + h - i );
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}
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else
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{
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// Vertical shading...
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if ( clen >= w )
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cstep = 2;
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for ( i = 0, j = 0; j < chalf; i++, j += cstep )
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{
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// Draw the left line and points...
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fl_color( shade_color( g[c[i]], bc ) );
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fl_yxline( x + i, y + 1, y + h - 1 );
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fl_color( shade_color( g[c[i] - 2], bc ) );
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fl_point( x + i + 1, y );
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fl_point( x + i + 1, y + h );
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// Draw the right line and points...
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fl_color( shade_color( g[c[clen - i]], bc ) );
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fl_yxline( x + w - 1 - i, y + 1, y + h - 1 );
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fl_color( shade_color( g[c[clen - i] - 2], bc ) );
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fl_point( x + w - 2 - i, y );
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fl_point( x + w - 2 - i, y + h );
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}
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// Draw the interior, top, and bottom...
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i = chalf / cstep;
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fl_color( shade_color( g[c[chalf]], bc ) );
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fl_rectf( x + i, y + 1, w - 2 * i, h - 1 );
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fl_color( shade_color( g[c[chalf] - 2], bc ) );
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fl_xyline( x + i, y, x + w - i );
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fl_xyline( x + i, y + h, x + w - i );
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}
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}
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static void
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shade_round ( int x, int y, int w, int h, const char *c, Fl_Color bc )
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{
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uchar *g = fl_gray_ramp();
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int i;
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int clen = strlen( c ) - 1;
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int chalf = clen / 2;
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if ( w > h )
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{
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int d = h / 2;
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const int na = 8;
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for ( i = 0; i < chalf; i++, d--, x++, y++, w -= 2, h -= 2 )
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{
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fl_color( shade_color( g[c[i]], bc ) );
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fl_pie( x, y, h, h, 90.0, 135.0 + i * na );
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fl_xyline( x + d, y, x + w - d );
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fl_pie( x + w - h, y, h, h, 45.0 + i * na, 90.0 );
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fl_color( shade_color( g[c[i] - 2], bc ) );
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fl_pie( x + w - h, y, h, h, 315.0 + i * na, 405.0 + i * na );
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fl_color( shade_color( g[c[clen - i]], bc ) );
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fl_pie( x + w - h, y, h, h, 270.0, 315.0 + i * na );
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fl_xyline( x + d, y + h - 1, x + w - d );
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fl_pie( x, y, h, h, 225.0 + i * na, 270.0 );
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fl_color( shade_color( g[c[clen - i] - 2], bc ) );
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fl_pie( x, y, h, h, 135.0 + i * na, 225.0 + i * na );
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}
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fl_color( shade_color( g[c[chalf]], bc ) );
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fl_rectf( x + d, y, w - h + 1, h + 1 );
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fl_pie( x, y, h, h, 90.0, 270.0 );
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fl_pie( x + w - h, y, h, h, 270.0, 90.0 );
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}
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else
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{
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int d = w / 2;
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const int na = 8;
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for ( i = 0; i < chalf; i++, d--, x++, y++, w -= 2, h -= 2 )
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{
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fl_color( shade_color( g[c[i]], bc ) );
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fl_pie( x, y, w, w, 45.0 + i * na, 135.0 + i * na );
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fl_color( shade_color( g[c[i] - 2], bc ) );
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fl_pie( x, y, w, w, 0.0, 45.0 + i * na );
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fl_yxline( x + w - 1, y + d, y + h - d );
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fl_pie( x, y + h - w, w, w, 315.0 + i * na, 360.0 );
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fl_color( shade_color( g[c[clen - i]], bc ) );
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fl_pie( x, y + h - w, w, w, 225.0 + i * na, 315.0 + i * na );
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fl_color( shade_color( g[c[clen - i] - 2], bc ) );
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fl_pie( x, y + h - w, w, w, 180.0, 225.0 + i * na );
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fl_yxline( x, y + d, y + h - d );
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fl_pie( x, y, w, w, 135.0 + i * na, 180.0 );
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}
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fl_color( shade_color( g[c[chalf]], bc ) );
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fl_rectf( x, y + d, w + 1, h - w + 1 );
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fl_pie( x, y, w, w, 0.0, 180.0 );
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fl_pie( x, y + h - w, w, w, 180.0, 360.0 );
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}
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}
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static void
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up_frame ( int x, int y, int w, int h, Fl_Color c )
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{
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frame_rect( x, y, w, h - 1, "KLDIIJLM", c );
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}
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static void
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narrow_thin_box ( int x, int y, int w, int h, Fl_Color c )
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{
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if ( h <= 0 || w <= 0 )
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return;
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uchar *g = fl_gray_ramp();
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fl_color( shade_color( g['R'], c ) );
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fl_rectf( x + 1, y + 1, w - 2, h - 2 );
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fl_color( shade_color( g['I'], c ) );
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if ( w > 1 )
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{
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fl_xyline( x + 1, y, x + w - 2 );
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fl_xyline( x + 1, y + h - 1, x + w - 2 );
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}
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if ( h > 1 )
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{
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fl_yxline( x, y + 1, y + h - 2 );
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fl_yxline( x + w - 1, y + 1, y + h - 2 );
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}
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}
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static void
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thin_up_box ( int x, int y, int w, int h, Fl_Color c )
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{
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if ( w > 4 && h > 4 )
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{
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shade_rect( x + 1, y + 1, w - 2, h - 3, "RQOQSUWQ", c );
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frame_rect( x, y, w, h - 1, "IJLM", c );
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}
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else
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narrow_thin_box( x, y, w, h, c );
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}
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static void
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up_box ( int x, int y, int w, int h, Fl_Color c )
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{
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if ( w > 8 && h > 8 )
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{
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// shade_rect( x + 1, y + 1, w - 2, h - 3, "RVQNOPQRSTUVWVQ", c );
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// shade_rect( x + 1, y + 1, w - 2, h - 3, "STUVWVQRWXVUVVQ", c );
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shade_rect( x + 1, y + 1, w - 2, h - 3, "FISPPQQRSSTTUPJ", c );
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/* stipple */
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fl_color( fl_color_average( FL_GRAY, c, 0.10f ) );
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for ( int i = y + 1; i < y + h - 8; i += 5 )
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fl_line( x, i, x + w, i );
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frame_rect( x, y, w, h - 1, "IJLM", c );
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}
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else
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thin_up_box( x, y, w, h, c );
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}
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static void
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up_round ( int x, int y, int w, int h, Fl_Color c )
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{
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shade_round( x, y, w, h, "RVQNOPQRSTUVWVQ", c );
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frame_round( x, y, w, h, "IJLM", c );
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}
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static void
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down_frame ( int x, int y, int w, int h, Fl_Color c )
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{
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frame_rect( x, y, w, h - 1, "LLLLTTRR", c );
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}
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static void
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down_box ( int x, int y, int w, int h, Fl_Color c )
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{
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if ( w > 6 && h > 6 )
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{
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shade_rect( x + 2, y + 2, w - 4, h - 5, "STUVWWWVT", c );
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down_frame( x, y, w, h, c );
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}
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else
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{
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narrow_thin_box( x, y, w, h, c );
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}
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}
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static void
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down_round ( int x, int y, int w, int h, Fl_Color c )
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{
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shade_round( x, y, w, h, "STUVWWWVT", c );
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frame_round( x, y, w, h, "IJLM", c );
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}
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void
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init_boxtypes ( void )
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{
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Fl::set_boxtype( FL_BURNISHED_OVAL_BOX, burnished_oval_box, 4, 4, 7, 7 );
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Fl::set_boxtype( FL_CRYSTAL_UP_BOX, up_box, 4,4,8,8 );
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Fl::set_boxtype( FL_CRYSTAL_DOWN_BOX, down_box, 2,2,4,4 );
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Fl::set_boxtype( FL_CRYSTAL_UP_FRAME, up_frame, 2,2,4,4 );
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Fl::set_boxtype( FL_CRYSTAL_DOWN_FRAME, down_frame, 2,2,4,4 );
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Fl::set_boxtype( FL_CRYSTAL_THIN_UP_BOX, thin_up_box, 1,1,2,2 );
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Fl::set_boxtype( FL_CRYSTAL_THIN_DOWN_BOX, down_box, 1,1,2,2 );
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/* replace the plastic boxes... (is there a better way?) */
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Fl::set_boxtype( FL_PLASTIC_UP_BOX, up_box, 4,4,8,8 );
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Fl::set_boxtype( FL_PLASTIC_DOWN_BOX, down_box, 2,2,4,4 );
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Fl::set_boxtype( FL_PLASTIC_UP_FRAME, up_frame, 2,2,4,4 );
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Fl::set_boxtype( FL_PLASTIC_DOWN_FRAME, down_frame, 2,2,4,4 );
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Fl::set_boxtype( FL_PLASTIC_THIN_UP_BOX, thin_up_box, 1,1,2,2 );
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Fl::set_boxtype( FL_PLASTIC_THIN_DOWN_BOX, down_box, 1,1,2,2 );
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/* Fl::set_boxtype( FL_CRYSTAL_ROUND_UP_BOX, up_round ); */
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/* Fl::set_boxtype( FL_CRYSTAL_ROUND_DOWN_BOX, down_round ); */
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}
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