static void nk_menu_init_device(nk_menu_handle_t *nk)
{
char buf[PATH_MAX_LENGTH] = {0};
fill_pathname_join(buf, nk->assets_directory,
"DroidSans.ttf", sizeof(buf));
nk_alloc.userdata.ptr = NULL;
nk_alloc.alloc = nk_common_mem_alloc;
nk_alloc.free = nk_common_mem_free;
nk_buffer_init(&device.cmds, &nk_alloc, 1024);
const void *image; int w, h;
nk_font_atlas_init_default(&atlas);
nk_font_atlas_begin(&atlas);
font = nk_font_atlas_add_default(&atlas, 13.0f, NULL);
image = nk_font_atlas_bake(&atlas, &w, &h, NK_FONT_ATLAS_RGBA32);
device_upload_atlas(&device, image, w, h);
nk_font_atlas_end(&atlas, nk_handle_id((int)device.font_tex), &device.null);
nk_init_default(&nk->ctx, &font->handle);
//nk_init(&nk->ctx, &nk_alloc, &usrfnt);
nk_common_device_init(&device);
fill_pathname_join(buf, nk->assets_directory, "folder.png", sizeof(buf));
nk->icons.folder = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "speaker.png", sizeof(buf));
nk->icons.speaker = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "gamepad.png", sizeof(buf));
nk->icons.gamepad = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "monitor.png", sizeof(buf));
nk->icons.monitor = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "settings.png", sizeof(buf));
nk->icons.settings = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "invader.png", sizeof(buf));
nk->icons.invader = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "page_on.png", sizeof(buf));
nk->icons.page_on = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "page_off.png", sizeof(buf));
nk->icons.page_off = nk_common_image_load(buf);
nk->size_changed = true;
nk_common_set_style(&nk->ctx, THEME_BLUE);
}
NK_API void
nk_headless_init(struct nk_context* ctx, int w, int h, int max_char_width, int font_height)
{
struct nk_user_font font;
headless_font = (nk_headless_Font*)calloc(1, sizeof(nk_headless_Font));
headless_font->width = max_char_width;
headless_font->height = font_height;
if (!headless_font)
printf("Can't allocate memory for font\n");
font.userdata = nk_handle_ptr(headless_font);
font.height = (float)headless_font->height;
font.width = nk_headless_get_text_width;
// screen_surface.w = w;
// screen_surface.h = h;
// headless.screen_surface = &screen_surface;
nk_init_default(ctx, &font);
ctx->clip.copy = nk_headless_clipbard_copy;
ctx->clip.paste = nk_headless_clipbard_paste;
ctx->clip.userdata = nk_handle_ptr(0);
}
int main(int argc, char *argv[]) {
/* register callbacks */
mpx_register_vc(&this_vc);
/* GUI */
static struct nk_context ctx;
static struct nk_canvas canvas;
uint32_t width = 0,
height = 0;
static struct nk_user_font font;
font.userdata.ptr = &width;
font.height = font_vga_8x16.height;
font.width = your_text_width_calculation;
nk_init_default(&ctx, &font);
width = this_vc.fb->var.xres;
height = this_vc.fb->var.yres;
/* Draw */
while (1)
{
/* what to draw */
canvas_begin(&ctx, &canvas, 0, 0, 0, width, height, nk_rgb(100,100,100));
{
canvas.painter->use_clipping = NK_CLIPPING_OFF;
nk_fill_rect(canvas.painter, nk_rect(15,15,140,140), 5, nk_rgb(247, 230, 154));
nk_fill_rect(canvas.painter, nk_rect(20,20,135,135), 5, nk_rgb(188, 174, 118));
nk_draw_text(canvas.painter, nk_rect(30, 30, 100, 20), "Text to draw", 12, &font, nk_rgb(188,174,118), nk_rgb(0,0,0));
nk_fill_rect(canvas.painter, nk_rect(160,20,70,70), 0, nk_rgb(0,0,255));
nk_fill_circle(canvas.painter, nk_rect(20,160,60,60), nk_rgb(255,0,0));
nk_fill_triangle(canvas.painter, 160, 160, 230, 160, 195, 220, nk_rgb(0,255,0));
nk_fill_arc(canvas.painter, 195, 120, 30, 0, 3.141592654f * 3.0f / 4.0f, nk_rgb(255,255,0));
nk_stroke_line(canvas.painter, 15, 10, 100, 10, 2.0f, nk_rgb(189,45,75));
nk_stroke_rect(canvas.painter, nk_rect(235, 20, 70, 70), 10, 3, nk_rgb(0,0,255));
nk_stroke_curve(canvas.painter, 235, 130, 252, 170, 288, 80, 305, 130, 1, nk_rgb(0,150,220));
nk_stroke_triangle(canvas.painter, 235, 160, 305, 160, 270, 220, 10, nk_rgb(255,0,143));
nk_stroke_circle(canvas.painter, nk_rect(90, 160, 60, 60), 2, nk_rgb(0,255,120));
/* load some image */
// uint32_t im_w, im_h, im_format;
// images[0] = stbi_load("SPBGU_logo.png", &im_w, &im_h, &im_format, 0);
// if (images[0] == NULL)
// printf("\nstbi_load doesn't work. :(\n");
// else {
// printf("\nLoaded image: id = %i width = %i\theight = %i\tformat = %i", (int)*images[0], im_w, im_h, im_format);
struct nk_image im;
im.handle.ptr = "SPBGU_logo.png";
im.handle.id = 0;
im.w = 0;
im.h = 0;
im.region[0] = 0;
im.region[1] = 0;
im.region[2] = 267;
im.region[3] = 333;
nk_draw_image(canvas.painter, nk_rect(320, 10, 130, 150), &im, nk_rgb(100, 0, 0));
// }
// stbi_image_free(images[0]);
}
canvas_end(&ctx, &canvas);
/* Draw each element */
draw(&this_vc, &ctx, width, height);
}
nk_free(&ctx);
printf("\nEnd of program.\nIf you see it then something goes wrong.\n");
return 0;
}
