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// Copyright (c) 2018, Loïc Hoguin <[email protected]>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "esdl2.h"
// @todo These operations should probably occur in the thread.
void dtor_Font(ErlNifEnv* env, void* obj)
{
TTF_Font* font = NIF_RES_GET(Font, obj);
TTF_CloseFont(font);
}
// ttf_init
NIF_CALL_HANDLER(thread_ttf_init)
{
if (TTF_Init())
return sdl_error_tuple(env);
return atom_ok;
}
NIF_FUNCTION(ttf_init)
{
return nif_thread_call(env, thread_ttf_init, 0);
}
// ttf_openfont
NIF_CALL_HANDLER(thread_ttf_open_font)
{
TTF_Font* font;
obj_Font* res;
ERL_NIF_TERM term;
font = TTF_OpenFont(args[0], (long)args[1]);
enif_free(args[0]);
if (!font)
return sdl_error_tuple(env);
NIF_RES_TO_PTR_AND_TERM(Font, font, res, term);
return enif_make_tuple2(env,
atom_ok,
term
);
}
NIF_FUNCTION(ttf_open_font)
{
ErlNifBinary bin;
char* filename;
int ptsize;
BADARG_IF(!enif_get_int(env, argv[1], &ptsize));
// Getting the filename last to simplify the code due to memory allocation.
BADARG_IF(!enif_inspect_binary(env, argv[0], &bin));
filename = enif_alloc(bin.size + 1);
memcpy(filename, bin.data, bin.size);
filename[bin.size] = '\0';
return nif_thread_call(env, thread_ttf_open_font, 2,
filename, ptsize);
}
// ttf_quit
NIF_CAST_HANDLER(thread_ttf_quit)
{
TTF_Quit();
}
NIF_FUNCTION(ttf_quit)
{
return nif_thread_cast(env, thread_ttf_quit, 0);
}
// ttf_render_utf8_solid
NIF_CALL_HANDLER(thread_ttf_render_utf8_solid)
{
SDL_Surface* surface;
obj_Surface* res;
ERL_NIF_TERM term;
surface = TTF_RenderUTF8_Solid(args[0], args[1], *(SDL_Color*)args[2]);
enif_free(args[1]);
enif_free(args[2]);
if (!surface)
return sdl_error_tuple(env);
NIF_RES_TO_PTR_AND_TERM(Surface, surface, res, term);
return enif_make_tuple2(env,
atom_ok,
term
);
}
NIF_FUNCTION(ttf_render_utf8_solid)
{
void* font_res;
ErlNifBinary bin;
char* text;
SDL_Color* color;
BADARG_IF(!enif_get_resource(env, argv[0], res_Font, &font_res));
BADARG_IF(!enif_inspect_binary(env, argv[1], &bin));
text = enif_alloc(bin.size + 1);
memcpy(text, bin.data, bin.size);
text[bin.size] = '\0';
color = enif_alloc(sizeof(SDL_Color));
if (!map_to_color(env, argv[2], color)) {
enif_free(text);
enif_free(color);
return enif_make_badarg(env);
}
return nif_thread_call(env, thread_ttf_render_utf8_solid, 3,
NIF_RES_GET(Font, font_res), text, color);
}
// ttf_was_init
NIF_CALL_HANDLER(thread_ttf_was_init)
{
if (TTF_WasInit())
return atom_true;
return atom_false;
}
NIF_FUNCTION(ttf_was_init)
{
return nif_thread_call(env, thread_ttf_was_init, 0);
}
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