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non/FL/Boxtypes.C

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Make properly register burnished box.
2008-03-20 02:06:28 +01:00
/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* This program 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 General Public License for */
/* more details. */
/* */
/* You should have received a copy of the GNU General Public License along */
/* with This program; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
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#pragma GCC diagnostic ignored "-Wchar-subscripts"
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#include "Boxtypes.H"
#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
* comprises a border with shadow, and a cap with glare-lines akin
* to those seen on burnished aluminum knobs. */
static void
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burnished_oval_box ( int x, int y, int w, int h, Fl_Color c )
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{
/* draw background */
fl_color( fl_darker( c ) );
fl_pie( x, y, w, h, 0, 360 );
fl_color( fl_darker( fl_darker( c ) ) );
fl_pie( x, y, w, h, 180 + 215, 180 + 45 );
/* shrink */
x += 4;
y += 4;
w -= 7;
h -= 7;
/* draw cap */
fl_color( c );
fl_pie( x, y, w, h, 0, 360 );
/* draw glare */
const int a1 = 10;
const int a2 = 90;
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fl_color( fl_color_average( FL_WHITE, c, 0.15f ) );
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fl_pie( x, y, w, h, a1, a2 );
fl_pie( x, y, w, h, 180 + a1, 180 + a2 );
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fl_color( fl_color_average( FL_WHITE, c, 0.25f ) );
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const int d = (a2 - a1) / 2;
fl_pie( x, y, w, h, a1 + (d / 2), a2 - (d / 2) );
fl_pie( x, y, w, h, 180 + a1 + (d / 2), 180 + a2 - (d / 2) );
}
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/* Crystal boxes, base (obviously) on the FLTK1 'plastic' boxes, but
* without the rude color blending and with a slightly enhanced
* appearance. */
extern uchar *fl_gray_ramp();
inline Fl_Color
shade_color ( uchar gc, Fl_Color bc )
{
return fl_color_average( ( Fl_Color ) gc, bc, 0.25f );
}
static void
frame_rect ( int x, int y, int w, int h, const char *c, Fl_Color bc )
{
uchar *g = fl_gray_ramp();
int b = strlen( c ) / 4 + 1;
for ( x += b, y += b, w -= 2 * b, h -= 2 * b; b > 1; b-- )
{
// Draw lines around the perimeter of the button, 4 colors per
// circuit.
fl_color( shade_color( g[*c++], bc ) );
fl_line( x, y + h + b, x + w - 1, y + h + b, x + w + b - 1, y + h );
fl_color( shade_color( g[*c++], bc ) );
fl_line( x + w + b - 1, y + h, x + w + b - 1, y, x + w - 1, y - b );
fl_color( shade_color( g[*c++], bc ) );
fl_line( x + w - 1, y - b, x, y - b, x - b, y );
fl_color( shade_color( g[*c++], bc ) );
fl_line( x - b, y, x - b, y + h, x, y + h + b );
}
}
static void
frame_round ( int x, int y, int w, int h, const char *c, Fl_Color bc )
{
uchar *g = fl_gray_ramp();
int b = strlen( c ) / 4 + 1;
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if ( ! Fl::draw_box_active() )
bc = fl_inactive( bc );
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if ( w == h )
{
for ( ; b > 1; b--, x++, y++, w -= 2, h -= 2 )
{
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, w, h, 45.0, 135.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, w, h, 315.0, 405.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, w, h, 225.0, 315.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, w, h, 135.0, 225.0 );
}
}
else if ( w > h )
{
int d = h / 2;
for ( ; b > 1; d--, b--, x++, y++, w -= 2, h -= 2 )
{
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, h, h, 90.0, 135.0 );
fl_xyline( x + d, y, x + w - d );
fl_arc( x + w - h, y, h, h, 45.0, 90.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x + w - h, y, h, h, 315.0, 405.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x + w - h, y, h, h, 270.0, 315.0 );
fl_xyline( x + d, y + h - 1, x + w - d );
fl_arc( x, y, h, h, 225.0, 270.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, h, h, 135.0, 225.0 );
}
}
else if ( w < h )
{
int d = w / 2;
for ( ; b > 1; d--, b--, x++, y++, w -= 2, h -= 2 )
{
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, w, w, 45.0, 135.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y, w, w, 0.0, 45.0 );
fl_yxline( x + w - 1, y + d, y + h - d );
fl_arc( x, y + h - w, w, w, 315.0, 360.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y + h - w, w, w, 225.0, 315.0 );
fl_color( shade_color( g[*c++], bc ) );
fl_arc( x, y + h - w, w, w, 180.0, 225.0 );
fl_yxline( x, y + d, y + h - d );
fl_arc( x, y, w, w, 135.0, 180.0 );
}
}
}
static void
shade_rect ( int x, int y, int w, int h, const char *c, Fl_Color bc )
{
uchar *g = fl_gray_ramp();
int i, j;
int clen = strlen( c ) - 1;
int chalf = clen / 2;
int cstep = 1;
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if ( ! Fl::draw_box_active() )
bc = fl_inactive( bc );
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if ( h < ( w * 2 ) )
{
// Horizontal shading...
if ( clen >= h )
cstep = 2;
for ( i = 0, j = 0; j < chalf; i++, j += cstep )
{
// Draw the top line and points...
fl_color( shade_color( g[c[i]], bc ) );
fl_xyline( x + 1, y + i, x + w - 2 );
fl_color( shade_color( g[c[i] - 2], bc ) );
fl_point( x, y + i + 1 );
fl_point( x + w - 1, y + i + 1 );
// Draw the bottom line and points...
fl_color( shade_color( g[c[clen - i]], bc ) );
fl_xyline( x + 1, y + h - i, x + w - 2 );
fl_color( shade_color( g[c[clen - i] - 2], bc ) );
fl_point( x, y + h - i );
fl_point( x + w - 1, y + h - i );
}
// Draw the interior and sides...
i = chalf / cstep;
// fl_color( shade_color( g[c[chalf]], bc ) );
fl_color( bc );
fl_rectf( x + 1, y + i, w - 2, h - 2 * i + 1 );
fl_color( shade_color( g[c[chalf] - 2], bc ) );
fl_yxline( x, y + i, y + h - i );
fl_yxline( x + w - 1, y + i, y + h - i );
}
else
{
// Vertical shading...
if ( clen >= w )
cstep = 2;
for ( i = 0, j = 0; j < chalf; i++, j += cstep )
{
// Draw the left line and points...
fl_color( shade_color( g[c[i]], bc ) );
fl_yxline( x + i, y + 1, y + h - 1 );
fl_color( shade_color( g[c[i] - 2], bc ) );
fl_point( x + i + 1, y );
fl_point( x + i + 1, y + h );
// Draw the right line and points...
fl_color( shade_color( g[c[clen - i]], bc ) );
fl_yxline( x + w - 1 - i, y + 1, y + h - 1 );
fl_color( shade_color( g[c[clen - i] - 2], bc ) );
fl_point( x + w - 2 - i, y );
fl_point( x + w - 2 - i, y + h );
}
// Draw the interior, top, and bottom...
i = chalf / cstep;
fl_color( shade_color( g[c[chalf]], bc ) );
fl_rectf( x + i, y + 1, w - 2 * i, h - 1 );
fl_color( shade_color( g[c[chalf] - 2], bc ) );
fl_xyline( x + i, y, x + w - i );
fl_xyline( x + i, y + h, x + w - i );
}
}
static void
shade_round ( int x, int y, int w, int h, const char *c, Fl_Color bc )
{
uchar *g = fl_gray_ramp();
int i;
int clen = strlen( c ) - 1;
int chalf = clen / 2;
if ( w > h )
{
int d = h / 2;
const int na = 8;
for ( i = 0; i < chalf; i++, d--, x++, y++, w -= 2, h -= 2 )
{
fl_color( shade_color( g[c[i]], bc ) );
fl_pie( x, y, h, h, 90.0, 135.0 + i * na );
fl_xyline( x + d, y, x + w - d );
fl_pie( x + w - h, y, h, h, 45.0 + i * na, 90.0 );
fl_color( shade_color( g[c[i] - 2], bc ) );
fl_pie( x + w - h, y, h, h, 315.0 + i * na, 405.0 + i * na );
fl_color( shade_color( g[c[clen - i]], bc ) );
fl_pie( x + w - h, y, h, h, 270.0, 315.0 + i * na );
fl_xyline( x + d, y + h - 1, x + w - d );
fl_pie( x, y, h, h, 225.0 + i * na, 270.0 );
fl_color( shade_color( g[c[clen - i] - 2], bc ) );
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 ) );
fl_color( bc );
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fl_rectf( x + d, y, w - h + 1, h + 1 );
fl_pie( x, y, h, h, 90.0, 270.0 );
fl_pie( x + w - h, y, h, h, 270.0, 90.0 );
}
else
{
int d = w / 2;
const int na = 8;
for ( i = 0; i < chalf; i++, d--, x++, y++, w -= 2, h -= 2 )
{
fl_color( shade_color( g[c[i]], bc ) );
fl_pie( x, y, w, w, 45.0 + i * na, 135.0 + i * na );
fl_color( shade_color( g[c[i] - 2], bc ) );
fl_pie( x, y, w, w, 0.0, 45.0 + i * na );
fl_yxline( x + w - 1, y + d, y + h - d );
fl_pie( x, y + h - w, w, w, 315.0 + i * na, 360.0 );
fl_color( shade_color( g[c[clen - i]], bc ) );
fl_pie( x, y + h - w, w, w, 225.0 + i * na, 315.0 + i * na );
fl_color( shade_color( g[c[clen - i] - 2], bc ) );
fl_pie( x, y + h - w, w, w, 180.0, 225.0 + i * na );
fl_yxline( x, y + d, y + h - d );
fl_pie( x, y, w, w, 135.0 + i * na, 180.0 );
}
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// fl_color( shade_color( g[c[chalf]], bc ) );
fl_color( bc );
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fl_rectf( x, y + d, w + 1, h - w + 1 );
fl_pie( x, y, w, w, 0.0, 180.0 );
fl_pie( x, y + h - w, w, w, 180.0, 360.0 );
}
}
static void
up_frame ( int x, int y, int w, int h, Fl_Color c )
{
frame_rect( x, y, w, h - 1, "KLDIIJLM", c );
}
static void
narrow_thin_box ( int x, int y, int w, int h, Fl_Color c )
{
if ( h <= 0 || w <= 0 )
return;
uchar *g = fl_gray_ramp();
fl_color( shade_color( g['R'], c ) );
fl_rectf( x + 1, y + 1, w - 2, h - 2 );
fl_color( shade_color( g['I'], c ) );
if ( w > 1 )
{
fl_xyline( x + 1, y, x + w - 2 );
fl_xyline( x + 1, y + h - 1, x + w - 2 );
}
if ( h > 1 )
{
fl_yxline( x, y + 1, y + h - 2 );
fl_yxline( x + w - 1, y + 1, y + h - 2 );
}
}
static void
thin_up_box ( int x, int y, int w, int h, Fl_Color c )
{
if ( w > 4 && h > 4 )
{
shade_rect( x + 1, y + 1, w - 2, h - 3, "RQOQSUWQ", c );
frame_rect( x, y, w, h - 1, "IJLM", c );
}
else
narrow_thin_box( x, y, w, h, c );
}
static void
up_box ( int x, int y, int w, int h, Fl_Color c )
{
if ( w > 8 && h > 8 )
{
// shade_rect( x + 1, y + 1, w - 2, h - 3, "RVQNOPQRSTUVWVQ", c );
// shade_rect( x + 1, y + 1, w - 2, h - 3, "STUVWVQRWXVUVVQ", c );
shade_rect( x + 1, y + 1, w - 2, h - 3, "FISPPQQRSSTTUPJ", c );
/* stipple */
fl_color( fl_color_average( FL_GRAY, c, 0.10f ) );
for ( int i = y + 1; i < y + h - 8; i += 5 )
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fl_line( x + 1, i, x + w - 2, i );
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frame_rect( x, y, w, h - 1, "IJLM", c );
}
else
thin_up_box( x, y, w, h, c );
}
static void
up_round ( int x, int y, int w, int h, Fl_Color c )
{
shade_round( x, y, w, h, "RVQNOPQRSTUVWVQ", c );
frame_round( x, y, w, h, "IJLM", c );
}
static void
down_frame ( int x, int y, int w, int h, Fl_Color c )
{
frame_rect( x, y, w, h - 1, "LLLLTTRR", c );
}
static void
down_box ( int x, int y, int w, int h, Fl_Color c )
{
if ( w > 6 && h > 6 )
{
shade_rect( x + 2, y + 2, w - 4, h - 5, "STUVWWWVT", c );
down_frame( x, y, w, h, c );
}
else
{
narrow_thin_box( x, y, w, h, c );
}
}
static void
down_round ( int x, int y, int w, int h, Fl_Color c )
{
shade_round( x, y, w, h, "STUVWWWVT", c );
frame_round( x, y, w, h, "IJLM", c );
}
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void
init_boxtypes ( void )
{
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Fl::set_boxtype( FL_BURNISHED_OVAL_BOX, burnished_oval_box, 4, 4, 7, 7 );
Fl::set_boxtype( FL_CRYSTAL_UP_BOX, up_box, 4,4,8,8 );
Fl::set_boxtype( FL_CRYSTAL_DOWN_BOX, down_box, 2,2,4,4 );
Fl::set_boxtype( FL_CRYSTAL_UP_FRAME, up_frame, 2,2,4,4 );
Fl::set_boxtype( FL_CRYSTAL_DOWN_FRAME, down_frame, 2,2,4,4 );
Fl::set_boxtype( FL_CRYSTAL_THIN_UP_BOX, thin_up_box, 1,1,2,2 );
Fl::set_boxtype( FL_CRYSTAL_THIN_DOWN_BOX, down_box, 1,1,2,2 );
/* replace the plastic boxes... (is there a better way?) */
Fl::set_boxtype( FL_PLASTIC_UP_BOX, up_box, 4,4,8,8 );
Fl::set_boxtype( FL_PLASTIC_DOWN_BOX, down_box, 2,2,4,4 );
Fl::set_boxtype( FL_PLASTIC_UP_FRAME, up_frame, 2,2,4,4 );
Fl::set_boxtype( FL_PLASTIC_DOWN_FRAME, down_frame, 2,2,4,4 );
Fl::set_boxtype( FL_PLASTIC_THIN_UP_BOX, thin_up_box, 1,1,2,2 );
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, 1,1,2,2 );
Fl::set_boxtype( FL_CRYSTAL_ROUND_DOWN_BOX, down_round, 1,1,2,2 );
Try to improve appearance with new 'crystal' boxtypes.
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Make properly register burnished box.
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}