tauri.cpp - master - SilovAndrey/easel_examples

tauri.cpp
76 строк2 KB
Andrey HomePC
Add easel_examples v0.1.0 with shapes, space, paths examples
10 июл 2026, 10:34
10 июл 2026, 10:348ecc405
/*=============================================================================
   Copyright (c) 2016-2023 Joel de Guzman

   Distributed under the MIT License [ https://opensource.org/licenses/MIT ]
=============================================================================*/
#include "app.hpp"

using namespace cycfi::artist;
auto constexpr window_size = point{640.0f, 480.0f};
auto constexpr bkd_color = rgb(44, 42, 45);

void background(canvas& cnv)
{
   cnv.add_rect({{0, 0}, window_size});
   cnv.fill_style(bkd_color);
   cnv.fill();
}

void logo(canvas& cnv)
{
   cnv.begin_path();
   cnv.move_to(24.091255, 16.26616);
   cnv.line_to(44.374182, 43);
   cnv.bezier_curve_to(44.374182, 43, 34.488091, 43.011495, 34.488091, 43.011495);
   cnv.bezier_curve_to(34.488091, 43.011495, 35.642931, 41.930399, 36.249098, 41.25);
   cnv.bezier_curve_to(37.686127, 39.636989, 37.287291, 38.778661, 31.154085, 30.285105);
   cnv.bezier_curve_to(27.494338, 25.216912, 24.275, 21.070209, 24, 21.070209);
   cnv.bezier_curve_to(23.725, 21.070209, 20.505662, 25.216912, 16.845915, 30.285105);
   cnv.bezier_curve_to(10.712709, 38.778661, 10.313873, 39.636989, 11.750902, 41.25);
   cnv.bezier_curve_to(12.342655, 41.91422, 13.259451, 42.993021, 13.259451, 42.993021);
   cnv.line_to(3.6258176,43);
   cnv.bezier_curve_to(3.6258176, 43, 24.091255, 16.26616, 24.091255, 16.26616);
   cnv.fill();

   cnv.begin_path();
   cnv.line_width(2.5);
   cnv.add_circle(24, 8, 4);
   cnv.stroke();
}

void tauri(canvas& cnv)
{
   // Glow
   cnv.fill_style(bkd_color);
   cnv.stroke_style(bkd_color);
   cnv.shadow_style({-1, -1}, 10, colors::light_cyan);
   logo(cnv);

   // Shadow
   cnv.fill_style(bkd_color);
   cnv.stroke_style(bkd_color);
   cnv.shadow_style({5.0, 5.0}, 20, rgb(0, 0, 20));
   logo(cnv);

   // Gradient
   auto gr = canvas::linear_gradient{0, 0, 50, 50};
   gr.add_color_stop(0.0, colors::gold);
   gr.add_color_stop(1.0, colors::gold.opacity(0));

   cnv.fill_style(gr);
   cnv.stroke_style(gr);
   logo(cnv);
}

void draw(canvas& cnv)
{
   background(cnv);
   cnv.scale(10, 10);
   cnv.translate(9, 0);
   tauri(cnv);
}

int main(int argc, char const* argv[])
{
   return run_app(argc, argv, window_size);
}