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Remove dead code from 'plastic' scheme implementation

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- The removed code had been disabled in the year 2003 or earlier for
  reasons mentioned in those old commits and has never been officially
  used again. Use `git blame` to find these commits.
- Update comments and copyright.
- Remove empty lines.
This commit is contained in:
Albrecht Schlosser 2025-12-25 18:29:11 +01:00
parent 426dadb0d7
commit ec61d4ff4a
1 changed files with 3 additions and 60 deletions
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63
src/fl_plastic.cxx
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@ -1,10 +1,11 @@
//
// "Plastic" drawing routines for the Fast Light Tool Kit (FLTK).
// "Plastic" scheme 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 2001-2025 by Michael Sweet.
// Copyright 2001-2005 by Michael Sweet.
// Copyright 2006-2025 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
@ -25,49 +26,12 @@
#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 const 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) {
const uchar *g = fl_gray_ramp();
int b = ((int) strlen(c)) / 4 + 1;
@ -87,7 +51,6 @@ static void frame_rect(int x, int y, int w, int h, const char *c, Fl_Color bc) {
}
}
static void frame_round(int x, int y, int w, int h, const char *c, Fl_Color bc) {
const uchar *g = fl_gray_ramp();
size_t b = strlen(c) / 4 + 1;
@ -141,7 +104,6 @@ static void frame_round(int x, int y, int w, int h, const char *c, Fl_Color bc)
}
}
static void shade_rect(int x, int y, int w, int h, const char *c, Fl_Color bc) {
const uchar *g = fl_gray_ramp();
int i, j;
@ -267,12 +229,10 @@ static void shade_round(int x, int y, int w, int h, const char *c, Fl_Color bc)
}
}
void fl_plastic_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;
const uchar *g = fl_gray_ramp();
@ -289,48 +249,33 @@ static void narrow_thin_box(int x, int y, int w, int h, Fl_Color c) {
}
}
void fl_plastic_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);
fl_plastic_up_frame(x, y, w, h, c);
#else
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);
}
#endif // USE_OLD_PLASTIC_BOX
}
void fl_plastic_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);
fl_plastic_up_frame(x, y, w, h, c);
#else
if (w > 8 && h > 8) {
shade_rect(x + 1, y + 1, w - 2, h - 3, "RVQNOPQRSTUVWVQ", c);
frame_rect(x, y, w, h - 1, "IJLM", c);
} else {
fl_plastic_thin_up_box(x, y, w, h, c);
}
#endif // USE_OLD_PLASTIC_BOX
}
void fl_plastic_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);
}
void fl_plastic_down_frame(int x, int y, int w, int h, Fl_Color c) {
frame_rect(x, y, w, h - 1, "LLLLTTRR", c);
}
void fl_plastic_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);
@ -341,9 +286,7 @@ void fl_plastic_down_box(int x, int y, int w, int h, Fl_Color c) {
}
}
void fl_plastic_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);
}