orca/sketches/canvas/main.c

199 lines
4.9 KiB
C

/*************************************************************************
*
* Orca
* Copyright 2023 Martin Fouilleul and the Orca project contributors
* See LICENSE.txt for licensing information
*
**************************************************************************/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "orca.h"
int main()
{
oc_init();
oc_rect windowRect = { .x = 100, .y = 100, .w = 810, .h = 610 };
oc_window window = oc_window_create(windowRect, OC_STR8("test"), 0);
oc_rect contentRect = oc_window_get_content_rect(window);
//NOTE: create surface
oc_surface surface = oc_surface_create_for_window(window, OC_CANVAS);
oc_surface_swap_interval(surface, 1);
if(oc_surface_is_nil(surface))
{
oc_log_error("Error: couldn't create surface\n");
return (-1);
}
//TODO: create canvas
oc_canvas canvas = oc_canvas_create();
if(oc_canvas_is_nil(canvas))
{
oc_log_error("Error: couldn't create canvas\n");
return (-1);
}
// start app
oc_window_bring_to_front(window);
oc_window_focus(window);
f64 frameTime = 0;
f32 x = 0, y = 0;
while(!oc_should_quit())
{
f64 startTime = oc_clock_time(OC_CLOCK_MONOTONIC);
oc_arena_scope* scratch = oc_scratch_begin();
oc_pump_events(0);
oc_event* event = 0;
while((event = oc_next_event(scratch.arena)) != 0)
{
switch(event->type)
{
case OC_EVENT_WINDOW_CLOSE:
{
oc_request_quit();
}
break;
case OC_EVENT_KEYBOARD_KEY:
{
if(event->key.action == OC_KEY_PRESS)
{
if(event->key.code == OC_KEY_LEFT)
{
x -= 1;
}
if(event->key.code == OC_KEY_RIGHT)
{
x += 1;
}
if(event->key.code == OC_KEY_UP)
{
y -= 1;
}
if(event->key.code == OC_KEY_DOWN)
{
y += 1;
}
}
}
break;
default:
break;
}
}
oc_surface_select(surface);
// background
oc_set_color_rgba(0, 1, 1, 1);
oc_clear();
oc_move_to(100, 100);
oc_line_to(150, 150);
oc_line_to(100, 200);
oc_line_to(50, 150);
oc_close_path();
oc_set_color_rgba(1, 0, 0, 1);
oc_fill();
oc_move_to(200, 100);
oc_line_to(410, 100);
oc_line_to(410, 200);
oc_line_to(200, 200);
oc_close_path();
oc_set_color_rgba(0, 1, 0, 1);
oc_fill();
oc_set_color_rgba(0, 0.5, 1, 0.5);
oc_rectangle_fill(120, 120, 200, 200);
oc_set_color_rgba(1, 0, 0.5, 1);
oc_rectangle_fill(700, 500, 200, 200);
oc_move_to(300, 300);
oc_quadratic_to(400, 500, 500, 300);
oc_close_path();
oc_set_color_rgba(0, 0, 1, 1);
oc_fill();
oc_move_to(200, 450);
oc_cubic_to(200, 250, 400, 550, 400, 450);
oc_close_path();
oc_set_color_rgba(1, 0.5, 0, 1);
oc_fill();
/*
oc_set_joint(OC_JOINT_NONE);
oc_set_max_joint_excursion(20);
oc_set_cap(OC_CAP_SQUARE);
oc_move_to(x+200, y+200);
oc_line_to(x+300, y+300);
oc_line_to(x+200, y+400);
oc_line_to(x+100, y+300);
oc_close_path();
oc_set_color_rgba(1, 0, 0, 1);
// oc_set_width(2);
oc_stroke();
oc_move_to(400, 400);
oc_quadratic_to(600, 601, 800, 400);
oc_set_color_rgba(0, 0, 1, 1);
oc_stroke();
oc_move_to(x+400, y+300);
oc_cubic_to(x+400, y+100, x+600, y+400, x+600, y+300);
oc_close_path();
oc_set_color_rgba(0, 0, 1, 1);
oc_stroke();
oc_set_color_rgba(1, 0, 0, 1);
oc_rounded_rectangle_fill(100, 100, 200, 300, 20);
oc_move_to(x+8, y+8);
oc_line_to(x+33, y+8);
oc_line_to(x+33, y+19);
oc_line_to(x+8, y+19);
oc_close_path();
oc_set_color_rgba(0, 0, 1, 1);
oc_fill();
*/
oc_set_width(1);
oc_set_color_rgba(1, 0, 0, 1);
oc_rounded_rectangle_stroke(400, 400, 160, 160, 80);
oc_log_info("Orca vector graphics test program (frame time = %fs, fps = %f)...\n",
frameTime,
1. / frameTime);
oc_render(canvas);
oc_surface_present(surface);
oc_scratch_end(scratch);
frameTime = oc_clock_time(OC_CLOCK_MONOTONIC) - startTime;
}
oc_canvas_destroy(canvas);
oc_surface_destroy(surface);
oc_window_destroy(window);
oc_terminate();
return (0);
}