87160b6eb9
By defining boxtypes with underscores, box drawing cod ethat was not used was not linked, but with the introduction of themes, all boxes are available at all times. Reducing complexity.
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
//
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// Rounded box drawing routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2025 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#include <FL/Fl.H>
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#include <FL/fl_draw.H>
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// Global parameters for rounded corner drawing algorithm:
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//
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// RN = number of segments per corner (must match offset array size)
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// RS = max. corner radius
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// BW = box shadow width
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#define RS (Fl::box_border_radius_max())
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#define BW (Fl::box_shadow_width())
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static void rbox(int fill, int x, int y, int w, int h) {
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int rs, rsy;
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rs = w*2/5; rsy = h*2/5;
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if (rs > rsy) rs = rsy; // use smaller radius
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if (rs > RS) rs = RS;
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if (fill)
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fl_rounded_rectf(x, y, w, h, rs);
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else
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fl_rounded_rect(x, y, w, h, rs);
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}
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void fl_rflat_box(int x, int y, int w, int h, Fl_Color c) {
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Fl::set_box_color(c);
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rbox(1, x, y, w, h); rbox(0, x, y, w, h);
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}
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void fl_rounded_frame(int x, int y, int w, int h, Fl_Color c) {
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Fl::set_box_color(c);
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rbox(0, x, y, w, h);
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}
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void fl_rounded_box(int x, int y, int w, int h, Fl_Color c) {
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Fl::set_box_color(c);
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rbox(1, x, y, w, h);
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fl_color(FL_BLACK); rbox(0, x, y, w, h);
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}
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void fl_rshadow_box(int x, int y, int w, int h, Fl_Color c) {
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// draw shadow:
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fl_color(FL_DARK3);
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rbox(1, x+BW, y+BW, w, h);
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rbox(0, x+BW, y+BW, w, h);
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// draw the box:
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fl_rounded_box(x, y, w, h, c);
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}
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void fl_rounded_focus(Fl_Boxtype bt, int x, int y, int w, int h, Fl_Color fg, Fl_Color bg) {
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x += Fl::box_dx(bt);
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y += Fl::box_dy(bt);
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w -= Fl::box_dw(bt)+1;
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h -= Fl::box_dh(bt)+1;
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Fl_Color savecolor = fl_color();
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fl_color(fl_contrast(fg, bg));
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fl_line_style(FL_DOT);
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rbox(0, x+1, y+1, w-1, h-1);
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fl_line_style(FL_SOLID);
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fl_color(savecolor);
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}
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