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Remove XOR-based code that was unused and incomplete (#673)

This commit is contained in:
ManoloFLTK 2023-02-07 15:26:46 +01:00
parent a496be9178
commit 3cbbe7be2c
1 changed files with 1 additions and 39 deletions
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40
src/fl_overlay.cxx
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@ -1,7 +1,7 @@
//
// Overlay support for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2021 by Bill Spitzak and others.
// Copyright 1998-2023 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
@ -23,45 +23,16 @@
#include <FL/platform.H>
#include <FL/fl_draw.H>
//#define USE_XOR
// unless USE_XOR is defined, this source file is cross-platform
#ifdef USE_XOR
#include <config.h>
#endif
static int px,py,pw,ph;
#ifndef USE_XOR
#include <stdlib.h>
#include "Fl_Screen_Driver.H"
#include <FL/Fl_RGB_Image.H>
static Fl_RGB_Image *s_bgN = 0, *s_bgS = 0, *s_bgE = 0, *s_bgW = 0;
static int bgx, bgy, bgw, bgh;
#endif
static void draw_current_rect() {
#ifdef USE_XOR
# if defined(FLTK_USE_X11)
GC gc = (GC)fl_graphics_driver->gc();
XSetFunction(fl_display, gc, GXxor);
XSetForeground(fl_display, gc, 0xffffffff);
XDrawRectangle(fl_display, fl_window, gc, px, py, pw, ph);
XSetFunction(fl_display, gc, GXcopy);
# elif defined(_WIN32)
int old = SetROP2(fl_graphics_driver->gc(), R2_NOT);
fl_rect(px, py, pw, ph);
SetROP2(fl_graphics_driver->gc(), old);
# elif defined(__APPLE__)
// warning: Quartz does not support xor drawing
// Use the Fl_Overlay_Window instead.
fl_color(FL_WHITE);
fl_rect(px, py, pw, ph);
# else
# error unsupported platform
# endif
#else
if (s_bgN) { delete s_bgN; s_bgN = 0; }
if (s_bgS) { delete s_bgS; s_bgS = 0; }
if (s_bgE) { delete s_bgE; s_bgE = 0; }
@ -94,22 +65,13 @@ static void draw_current_rect() {
fl_line_style(FL_DOT);
fl_graphics_driver->overlay_rect(px, py, pw, ph);
fl_line_style(FL_SOLID);
#endif // USE_XOR
}
static void erase_current_rect() {
#ifdef USE_XOR
# ifdef __APPLE__ // PORTME: Fl_Window_Driver - platform overlay
fl_rect(px, py, pw, ph);
# else
draw_current_rect();
# endif
#else
if (s_bgN) s_bgN->draw(bgx, bgy);
if (s_bgS) s_bgS->draw(bgx, (bgy+bgh-1));
if (s_bgW) s_bgW->draw(bgx, bgy);
if (s_bgE) s_bgE->draw((bgx+bgw-1), bgy);
#endif
}
/**