da9b29a600
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4181 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
309 lines
8.7 KiB
C++
309 lines
8.7 KiB
C++
//
|
|
// "$Id$"
|
|
//
|
|
// "Plastic" drawing routines for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// These box types provide a cross between Aqua and KDE buttons; kindof
|
|
// like translucent plastic buttons...
|
|
//
|
|
// Copyright 2001-2005 by Michael Sweet.
|
|
//
|
|
// 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 to "fltk-bugs@fltk.org".
|
|
//
|
|
|
|
// Box drawing code for an obscure box type.
|
|
// These box types are in seperate files so they are not linked
|
|
// in if not used.
|
|
|
|
#include <FL/Fl.H>
|
|
#include <FL/fl_draw.H>
|
|
#include "flstring.h"
|
|
|
|
//
|
|
// Uncomment the following line to restore the old plastic box type
|
|
// appearance.
|
|
//
|
|
|
|
//#define USE_OLD_PLASTIC_BOX
|
|
#define USE_OLD_PLASTIC_COLOR
|
|
|
|
extern uchar *fl_gray_ramp();
|
|
|
|
inline Fl_Color shade_color(uchar gc, Fl_Color bc) {
|
|
#ifdef USE_OLD_PLASTIC_COLOR
|
|
return fl_color_average((Fl_Color)gc, bc, 0.75f);
|
|
#else
|
|
unsigned grgb = Fl::get_color((Fl_Color)gc),
|
|
brgb = Fl::get_color(bc);
|
|
int red, green, blue, gray;
|
|
|
|
|
|
gray = ((grgb >> 24) & 255);
|
|
red = gray * ((brgb >> 24) & 255) / 255 + gray * gray / 510;
|
|
gray = ((grgb >> 16) & 255);
|
|
green = gray * ((brgb >> 16) & 255) / 255 + gray * gray / 510;
|
|
gray = ((grgb >> 8) & 255);
|
|
blue = gray * ((brgb >> 8) & 255) / 255 + gray * gray / 510;
|
|
|
|
if (red > 255)
|
|
red = 255;
|
|
|
|
if (green > 255)
|
|
green = 255;
|
|
|
|
if (blue > 255)
|
|
blue = 255;
|
|
|
|
if (Fl::draw_box_active())
|
|
return fl_rgb_color(red, green, blue);
|
|
else
|
|
return fl_color_average(FL_GRAY, fl_rgb_color(red, green, blue), 0.75f);
|
|
#endif // USE_OLD_PLASTIC_COLOR
|
|
}
|
|
|
|
|
|
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;
|
|
|
|
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 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;
|
|
|
|
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 - 1);
|
|
|
|
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 - 1);
|
|
|
|
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_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 - 1);
|
|
|
|
// 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 - 1 - i, y);
|
|
fl_point(x + w - 1 - i, y + h - 1);
|
|
}
|
|
|
|
// 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 - 2);
|
|
|
|
fl_color(shade_color(g[c[chalf] - 2], bc));
|
|
fl_xyline(x + i, y, x + w - i);
|
|
fl_xyline(x + i, y + h - 1, 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, j;
|
|
int clen = strlen(c) - 1;
|
|
int chalf = clen / 2;
|
|
int cstep = 1;
|
|
|
|
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 - 1);
|
|
|
|
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 - 1);
|
|
|
|
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_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);
|
|
}
|
|
|
|
|
|
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 up_box(int x, int y, int w, int h, Fl_Color c) {
|
|
#ifdef USE_OLD_PLASTIC_BOX
|
|
shade_rect(x + 2, y + 2, w - 4, h - 5, "RVQNOPQRSTUVWVQ", c);
|
|
up_frame(x, y, w, h, c);
|
|
#else
|
|
shade_rect(x + 1, y + 1, w - 2, h - 3, "RVQNOPQRSTUVWVQ", c);
|
|
frame_rect(x, y, w, h - 1, "IJLM", c);
|
|
#endif // USE_OLD_PLASTIC_BOX
|
|
}
|
|
|
|
|
|
static void thin_up_box(int x, int y, int w, int h, Fl_Color c) {
|
|
#ifdef USE_OLD_PLASTIC_BOX
|
|
shade_rect(x + 2, y + 2, w - 4, h - 5, "RVQNOPQRSTUVWVQ", c);
|
|
up_frame(x, y, w, h, c);
|
|
#else
|
|
shade_rect(x + 1, y + 1, w - 2, h - 3, "RQOQSUWQ", c);
|
|
frame_rect(x, y, w, h - 1, "IJLM", c);
|
|
#endif // USE_OLD_PLASTIC_BOX
|
|
}
|
|
|
|
|
|
static void up_round(int x, int y, int w, int h, Fl_Color c) {
|
|
#ifdef USE_OLD_PLASTIC_BOX
|
|
shade_rect(x + 2, y + 2, w - 4, h - 5, "RVQNOPQRSTUVWVQ", c);
|
|
up_frame(x, y, w, h, c);
|
|
#else
|
|
shade_rect(x + 1, y + 1, w - 2, h - 3, "RVQNOPQRSTUVWVQ", c);
|
|
frame_rect(x, y, w, h - 1, "IJLM", c);
|
|
#endif // USE_OLD_PLASTIC_BOX
|
|
}
|
|
|
|
|
|
static void down_frame(int x, int y, int w, int h, Fl_Color c) {
|
|
frame_rect(x, y, w, h - 1, "LLRRTTLL", c);
|
|
}
|
|
|
|
|
|
static void down_box(int x, int y, int w, int h, Fl_Color c) {
|
|
shade_rect(x + 2, y + 2, w - 4, h - 5, "STUVWWWVT", c);
|
|
|
|
|
|
down_frame(x, y, w, h, c);
|
|
}
|
|
|
|
|
|
static void down_round(int x, int y, int w, int h, Fl_Color c) {
|
|
shade_rect(x + 2, y + 2, w - 4, h - 5, "STUVWWWVT", c);
|
|
|
|
down_frame(x, y, w, h, c);
|
|
}
|
|
|
|
|
|
extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
|
|
|
|
|
|
Fl_Boxtype fl_define_FL_PLASTIC_UP_BOX() {
|
|
fl_internal_boxtype(_FL_PLASTIC_UP_BOX, up_box);
|
|
fl_internal_boxtype(_FL_PLASTIC_DOWN_BOX, down_box);
|
|
fl_internal_boxtype(_FL_PLASTIC_UP_FRAME, up_frame);
|
|
fl_internal_boxtype(_FL_PLASTIC_DOWN_FRAME, down_frame);
|
|
fl_internal_boxtype(_FL_PLASTIC_THIN_UP_BOX, thin_up_box);
|
|
fl_internal_boxtype(_FL_PLASTIC_THIN_DOWN_BOX, down_box);
|
|
fl_internal_boxtype(_FL_PLASTIC_ROUND_UP_BOX, up_round);
|
|
fl_internal_boxtype(_FL_PLASTIC_ROUND_DOWN_BOX, down_round);
|
|
|
|
return _FL_PLASTIC_UP_BOX;
|
|
}
|
|
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|