orca/milepost/examples/polygon/main.c

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/************************************************************//**
*
* @file: main.cpp
* @author: Martin Fouilleul
* @date: 30/07/2022
* @revision:
*
*****************************************************************/
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<errno.h>
#define _USE_MATH_DEFINES //NOTE: necessary for MSVC
#include<math.h>
#include"milepost.h"
int main()
{
mp_init();
mp_clock_init(); //TODO put that in mp_init()?
mp_rect windowRect = {.x = 100, .y = 100, .w = 810, .h = 610};
mp_window window = mp_window_create(windowRect, "test", 0);
mp_rect contentRect = mp_window_get_content_rect(window);
//NOTE: create surface
mg_surface surface = mg_surface_create_for_window(window, MG_CANVAS);
mg_surface_swap_interval(surface, 1);
if(mg_surface_is_nil(surface))
{
printf("Error: couldn't create surface\n");
return(-1);
}
//TODO: create canvas
mg_canvas canvas = mg_canvas_create();
if(mg_canvas_is_nil(canvas))
{
printf("Error: couldn't create canvas\n");
return(-1);
}
// start app
mp_window_bring_to_front(window);
mp_window_focus(window);
f64 frameTime = 0;
f32 x = 0, y = 0;
while(!mp_should_quit())
{
f64 startTime = mp_get_time(MP_CLOCK_MONOTONIC);
mp_pump_events(0);
mp_event* event = 0;
while((event = mp_next_event(mem_scratch())) != 0)
{
switch(event->type)
{
case MP_EVENT_WINDOW_CLOSE:
{
mp_request_quit();
} break;
case MP_EVENT_KEYBOARD_KEY:
{
if(event->key.action == MP_KEY_PRESS)
{
if(event->key.code == MP_KEY_LEFT)
{
x-=1;
}
if(event->key.code == MP_KEY_RIGHT)
{
x+=1;
}
if(event->key.code == MP_KEY_UP)
{
y-=1;
}
if(event->key.code == MP_KEY_DOWN)
{
y+=1;
}
}
} break;
default:
break;
}
}
mg_surface_prepare(surface);
// background
mg_set_color_rgba(0, 1, 1, 1);
mg_clear();
mg_move_to(100, 100);
mg_line_to(150, 150);
mg_line_to(100, 200);
mg_line_to(50, 150);
mg_close_path();
mg_set_color_rgba(1, 0, 0, 1);
mg_fill();
mg_move_to(200, 100);
mg_line_to(410, 100);
mg_line_to(410, 200);
mg_line_to(200, 200);
mg_close_path();
mg_set_color_rgba(0, 1, 0, 1);
mg_fill();
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mg_set_color_rgba(0, 1, 1, 0.5);
mg_rectangle_fill(120, 120, 200, 200);
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mg_set_color_rgba(1, 0, 0.5, 1);
mg_rectangle_fill(700, 500, 200, 200);
mg_move_to(300, 300);
mg_quadratic_to(400, 500, 500, 300);
mg_close_path();
mg_set_color_rgba(0, 0, 1, 1);
mg_fill();
mg_move_to(200, 450);
mg_cubic_to(200, 250, 400, 550, 400, 450);
mg_close_path();
mg_set_color_rgba(1, 0.5, 0, 1);
mg_fill();
/*
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mg_set_joint(MG_JOINT_NONE);
mg_set_max_joint_excursion(20);
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mg_set_cap(MG_CAP_SQUARE);
mg_move_to(x+200, y+200);
mg_line_to(x+300, y+300);
mg_line_to(x+200, y+400);
mg_line_to(x+100, y+300);
mg_close_path();
mg_set_color_rgba(1, 0, 0, 1);
// mg_set_width(2);
mg_stroke();
mg_move_to(400, 400);
mg_quadratic_to(600, 601, 800, 400);
mg_set_color_rgba(0, 0, 1, 1);
mg_stroke();
mg_move_to(x+400, y+300);
mg_cubic_to(x+400, y+100, x+600, y+400, x+600, y+300);
mg_close_path();
mg_set_color_rgba(0, 0, 1, 1);
mg_stroke();
mg_set_color_rgba(1, 0, 0, 1);
mg_rounded_rectangle_fill(100, 100, 200, 300, 20);
mg_move_to(x+8, y+8);
mg_line_to(x+33, y+8);
mg_line_to(x+33, y+19);
mg_line_to(x+8, y+19);
mg_close_path();
mg_set_color_rgba(0, 0, 1, 1);
mg_fill();
*/
printf("Milepost vector graphics test program (frame time = %fs, fps = %f)...\n",
frameTime,
1./frameTime);
mg_render(surface, canvas);
mg_surface_present(surface);
mem_arena_clear(mem_scratch());
frameTime = mp_get_time(MP_CLOCK_MONOTONIC) - startTime;
}
mg_canvas_destroy(canvas);
mg_surface_destroy(surface);
mp_window_destroy(window);
mp_terminate();
return(0);
}