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vix

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NIF based bindings for libvips

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vix c_src vix.c
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c_src/vix.c 

#include <glib-object.h>

#include <stdio.h>

#include <vips/vips.h>



#include "utils.h"



#include "g_object/g_boxed.h"

#include "g_object/g_object.h"

#include "g_object/g_param_spec.h"

#include "g_object/g_type.h"

#include "vips_boxed.h"

#include "vips_image.h"

#include "vips_operation.h"



static int on_load(ErlNifEnv *env, void **priv, ERL_NIF_TERM load_info) {

  if (VIPS_INIT("vix")) {

    error("Failed to initialize Vips");

    return 1;

  }



#ifdef DEBUG

  vips_leak_set(true);

  // when checking for leaks disable cache

  vips_cache_set_max(0);

#endif



  if (utils_init(env))

    return 1;



  if (nif_g_object_init(env))

    return 1;



  if (nif_g_param_spec_init(env))

    return 1;



  if (nif_g_boxed_init(env))

    return 1;



  if (nif_g_type_init(env))

    return 1;



  if (nif_vips_operation_init(env))

    return 1;



  return 0;

}



static ErlNifFunc nif_funcs[] = {

    /* GObject */

    {"nif_g_object_type_name", 1, nif_g_object_type_name, 0},



    /* GType */

    {"nif_g_type_from_instance", 1, nif_g_type_from_instance, 0},

    {"nif_g_type_name", 1, nif_g_type_name, 0},



    /* VipsImage */

    {"nif_image_new_from_file", 1, nif_image_new_from_file,

     ERL_NIF_DIRTY_JOB_IO_BOUND},

    {"nif_image_new_from_image", 2, nif_image_new_from_image,

     ERL_NIF_DIRTY_JOB_CPU_BOUND},

    {"nif_image_copy_memory", 1, nif_image_copy_memory,

     ERL_NIF_DIRTY_JOB_IO_BOUND},

    {"nif_image_write_to_file", 2, nif_image_write_to_file,

     ERL_NIF_DIRTY_JOB_IO_BOUND},

    {"nif_image_write_to_buffer", 2, nif_image_write_to_buffer,

     ERL_NIF_DIRTY_JOB_IO_BOUND},

    {"nif_image_new", 0, nif_image_new, ERL_NIF_DIRTY_JOB_CPU_BOUND},

    {"nif_image_new_temp_file", 1, nif_image_new_temp_file,

     ERL_NIF_DIRTY_JOB_IO_BOUND},

    {"nif_image_new_matrix_from_array", 5, nif_image_new_matrix_from_array, 0},

    {"nif_image_get_fields", 1, nif_image_get_fields, 0},

    {"nif_image_get_header", 2, nif_image_get_header, 0},

    {"nif_image_get_as_string", 2, nif_image_get_as_string, 0},



    /* VipsOperation */

    /* should these be ERL_NIF_DIRTY_JOB_IO_BOUND? */

    {"nif_vips_operation_call", 2, nif_vips_operation_call,

     ERL_NIF_DIRTY_JOB_CPU_BOUND},

    {"nif_vips_operation_get_arguments", 1, nif_vips_operation_get_arguments,

     ERL_NIF_DIRTY_JOB_CPU_BOUND},

    {"nif_vips_operation_list", 0, nif_vips_operation_list,

     ERL_NIF_DIRTY_JOB_CPU_BOUND},

    {"nif_vips_enum_list", 0, nif_vips_enum_list, ERL_NIF_DIRTY_JOB_CPU_BOUND},

    {"nif_vips_flag_list", 0, nif_vips_flag_list, ERL_NIF_DIRTY_JOB_CPU_BOUND},



    /* Vips */

    {"nif_vips_cache_set_max", 1, nif_vips_cache_set_max, 0},

    {"nif_vips_cache_get_max", 0, nif_vips_cache_get_max, 0},

    {"nif_vips_concurrency_set", 1, nif_vips_concurrency_set, 0},

    {"nif_vips_concurrency_get", 0, nif_vips_concurrency_get, 0},

    {"nif_vips_cache_set_max_files", 1, nif_vips_cache_set_max_files, 0},

    {"nif_vips_cache_get_max_files", 0, nif_vips_cache_get_max_files, 0},

    {"nif_vips_cache_set_max_mem", 1, nif_vips_cache_set_max_mem, 0},

    {"nif_vips_cache_get_max_mem", 0, nif_vips_cache_get_max_mem, 0},

    {"nif_vips_version", 0, nif_vips_version, 0},

    {"nif_vips_shutdown", 0, nif_vips_shutdown, 0},



    /* VipsBoxed */

    {"nif_int_array", 1, nif_int_array, 0},

    {"nif_image_array", 1, nif_image_array, 0},

    {"nif_double_array", 1, nif_double_array, 0},

    {"nif_vips_blob", 1, nif_vips_blob, 0},

    {"nif_vips_ref_string", 1, nif_vips_ref_string, 0},

    {"nif_vips_int_array_to_erl_list", 1, nif_vips_int_array_to_erl_list, 0},

    {"nif_vips_double_array_to_erl_list", 1, nif_vips_double_array_to_erl_list,

     0},

    {"nif_vips_image_array_to_erl_list", 1, nif_vips_image_array_to_erl_list,

     0},

    {"nif_vips_blob_to_erl_binary", 1, nif_vips_blob_to_erl_binary, 0},

    {"nif_vips_ref_string_to_erl_binary", 1, nif_vips_ref_string_to_erl_binary,

     0}};



ERL_NIF_INIT(Elixir.Vix.Nif, nif_funcs, &on_load, NULL, NULL, NULL)