orca/sketches/atlas/main.c

112 lines
3.0 KiB
C

/*************************************************************************
*
* Orca
* Copyright 2023 Martin Fouilleul and the Orca project contributors
* See LICENSE.txt for licensing information
*
**************************************************************************/
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#define _USE_MATH_DEFINES //NOTE: necessary for MSVC
#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);
if(oc_surface_is_nil(surface))
{
oc_log_error("couldn't create surface\n");
return (-1);
}
oc_surface_swap_interval(surface, 0);
//NOTE: 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);
}
//NOTE: create atlas
oc_arena_scope scratch = oc_scratch_begin();
oc_arena permanentArena = { 0 };
oc_arena_init(&permanentArena);
oc_rect_atlas* atlas = oc_rect_atlas_create(&permanentArena, 16000, 16000);
oc_image atlasImage = oc_image_create(surface, 16000, 16000);
oc_str8 path1 = oc_path_executable_relative(scratch.arena, OC_STR8("../../../sketches/resources/triceratops.png"));
oc_str8 path2 = oc_path_executable_relative(scratch.arena, OC_STR8("../../../sketches/resources/Top512.png"));
oc_image_region image1 = oc_image_atlas_alloc_from_file(atlas, atlasImage, path1, false);
oc_image_region image2 = oc_image_atlas_alloc_from_file(atlas, atlasImage, path2, false);
// start app
oc_window_bring_to_front(window);
oc_window_focus(window);
oc_scratch_end(scratch);
while(!oc_should_quit())
{
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;
default:
break;
}
}
oc_surface_select(surface);
oc_set_color_rgba(0, 1, 1, 1);
oc_clear();
oc_set_color_rgba(1, 1, 1, 1);
oc_image_draw_region(image1.image, image1.rect, (oc_rect){ 100, 100, 300, 300 });
oc_image_draw_region(image2.image, image2.rect, (oc_rect){ 300, 200, 300, 300 });
oc_render(canvas);
oc_surface_present(surface);
oc_scratch_end(scratch);
}
oc_image_atlas_recycle(atlas, image1);
oc_image_atlas_recycle(atlas, image2);
oc_canvas_destroy(canvas);
oc_surface_destroy(surface);
oc_window_destroy(window);
oc_terminate();
return (0);
}