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https://gitcode.com/gh_mirrors/ope/OpenFace.git
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102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
// Copyright (C) 2005 Davis E. King (davis@dlib.net), and Nils Labugt
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_CANVAS_DRAWINg_CPP_
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#define DLIB_CANVAS_DRAWINg_CPP_
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#include "canvas_drawing.h"
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namespace dlib
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{
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// ----------------------------------------------------------------------------------------
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void draw_sunken_rectangle (
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const canvas& c,
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const rectangle& border,
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unsigned char alpha
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)
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{
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rectangle area = border.intersect(c);
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if (area.is_empty() == false)
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{
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const rgb_alpha_pixel dark_gray(64,64,64,alpha);
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const rgb_alpha_pixel gray(128,128,128,alpha);
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const rgb_alpha_pixel white(255,255,255,alpha);
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const rgb_alpha_pixel background(212,208,200,alpha);
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draw_line(c,point(border.left(),border.top()),point(border.right()-1,border.top()),gray);
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draw_line(c,point(border.left(),border.bottom()),point(border.right(),border.bottom()),white);
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draw_line(c,point(border.left()+1,border.bottom()-1),point(border.right()-1,border.bottom()-1),background);
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draw_line(c,point(border.left(),border.top()+1),point(border.left(),border.bottom()-1),gray);
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draw_line(c,point(border.right(),border.top()),point(border.right(),border.bottom()-1),white);
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draw_line(c,point(border.right()-1,border.top()+1),point(border.right()-1,border.bottom()-2),background);
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draw_line(c,point(border.left()+1,border.top()+1),point(border.left()+1,border.bottom()-2),dark_gray);
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draw_line(c,point(border.left()+1,border.top()+1),point(border.right()-2,border.top()+1),dark_gray);
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}
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}
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// ----------------------------------------------------------------------------------------
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void draw_button_down (
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const canvas& c,
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const rectangle& btn,
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unsigned char alpha
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)
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{
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rectangle area = btn.intersect(c);
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if (area.is_empty() == false)
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{
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const rgb_alpha_pixel dark_gray(64,64,64,alpha);
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const rgb_alpha_pixel gray(128,128,128,alpha);
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const rgb_alpha_pixel black(0,0,0,alpha);
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draw_line(c,point(btn.left(),btn.top()),point(btn.right(),btn.top()),black);
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draw_line(c,point(btn.left()+1,btn.bottom()),point(btn.right(),btn.bottom()),dark_gray);
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draw_line(c,point(btn.left()+1,btn.top()+1),point(btn.right()-1,btn.top()+1),gray);
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draw_line(c,point(btn.left(),btn.top()+1),point(btn.left(),btn.bottom()),black);
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draw_line(c,point(btn.right(),btn.top()+1),point(btn.right(),btn.bottom()-1),dark_gray);
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draw_line(c,point(btn.left()+1,btn.top()+1),point(btn.left()+1,btn.bottom()-1),gray);
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}
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}
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// ----------------------------------------------------------------------------------------
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void draw_button_up (
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const canvas& c,
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const rectangle& btn,
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unsigned char alpha
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)
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{
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rectangle area = btn.intersect(c);
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if (area.is_empty() == false)
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{
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const rgb_alpha_pixel dark_gray(64,64,64,alpha);
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const rgb_alpha_pixel gray(128,128,128,alpha);
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const rgb_alpha_pixel white(255,255,255,alpha);
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draw_line(c,point(btn.left(),btn.top()),point(btn.right()-1,btn.top()),white);
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draw_line(c,point(btn.left(),btn.bottom()),point(btn.right(),btn.bottom()),dark_gray);
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draw_line(c,point(btn.left()+1,btn.bottom()-1),point(btn.right()-1,btn.bottom()-1),gray);
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draw_line(c,point(btn.left(),btn.top()+1),point(btn.left(),btn.bottom()-1),white);
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draw_line(c,point(btn.right(),btn.top()),point(btn.right(),btn.bottom()-1),dark_gray);
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draw_line(c,point(btn.right()-1,btn.top()+1),point(btn.right()-1,btn.bottom()-2),gray);
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}
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}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_CANVAS_DRAWINg_CPP_
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