21241471c6
Use structured bindings to capture the values on return, so that they can be declared as `const` if they are immutable after initial computation.
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#include "maths.h"
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#include "pstypes.h"
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#include "gr.h"
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#include "ui.h"
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namespace dcx {
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void Hline(grs_canvas &canvas, const fix x1, const fix x2, const fix y, const color_palette_index color)
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{
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gr_uline(canvas, i2f(x1), i2f(y), i2f(x2), i2f(y), color);
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}
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void Vline(grs_canvas &canvas, const fix y1, const fix y2, const fix x, const color_palette_index color)
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{
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gr_uline(canvas, i2f(x), i2f(y1), i2f(x), i2f(y2), color);
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}
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void ui_string_centered(grs_canvas &canvas, const unsigned x, const unsigned y, const char *const s)
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{
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const auto &&[width, height] = gr_get_string_size(*canvas.cv_font, s);
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gr_ustring(canvas, *canvas.cv_font, x - ((width - 1) / 2), y - ((height - 1) / 2), s);
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}
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void ui_draw_shad(grs_canvas &canvas, const unsigned x1, const unsigned y1, const unsigned x2, const unsigned y2, const color_palette_index c1, const color_palette_index c2)
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{
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Hline(canvas, x1, x2 - 1, y1, c1);
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Vline(canvas, y1 + 1, y2, x1, c1);
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Hline(canvas, x1 + 1, x2, y2, c2);
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Vline(canvas, y1, y2 - 1, x2, c2);
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}
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void ui_draw_box_out(grs_canvas &canvas, const unsigned x1, const unsigned y1, const unsigned x2, const unsigned y2)
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{
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const auto color = CWHITE;
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const auto cbright = CBRIGHT;
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const auto cgrey = CGREY;
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gr_urect(canvas, x1 + 2, y1 + 2, x2 - 2, y2 - 2, color);
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ui_draw_shad(canvas, x1 + 0, y1 + 0, x2 - 0, y2 - 0, cbright, cgrey);
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ui_draw_shad(canvas, x1 + 1, y1 + 1, x2 - 1, y2 - 1, cbright, cgrey);
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}
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void ui_draw_box_in(grs_canvas &canvas, const unsigned x1, const unsigned y1, const unsigned x2, const unsigned y2)
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{
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const auto cbright = CBRIGHT;
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const auto cgrey = CGREY;
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ui_draw_shad(canvas, x1, y1, x2, y2, cgrey, cbright);
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ui_draw_shad(canvas, x1 + 1, y1 + 1, x2 - 1, y2 - 1, cgrey, cbright);
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}
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}
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