C++ (Cpp) fn_build_sub_function Examples

Example #1

File: zfunc3.c Project: 99years/plan9

/* Finish building a FunctionType 3 (1-Input Stitching) function. */
int
gs_build_function_3(i_ctx_t *i_ctx_p, const ref *op, const gs_function_params_t * mnDR,
		    int depth, gs_function_t ** ppfn, gs_memory_t *mem)
{
    gs_function_1ItSg_params_t params;
    int code;

    *(gs_function_params_t *) & params = *mnDR;
    params.Functions = 0;
    params.Bounds = 0;
    params.Encode = 0;
    {
	ref *pFunctions;
	gs_function_t **ptr;
	int i;

	if ((code = dict_find_string(op, "Functions", &pFunctions)) <= 0)
	    return (code < 0 ? code : gs_note_error(e_rangecheck));
	check_array_only(*pFunctions);
	params.k = r_size(pFunctions);
	code = alloc_function_array(params.k, &ptr, mem);
	if (code < 0)
	    return code;
	params.Functions = (const gs_function_t * const *)ptr;
	for (i = 0; i < params.k; ++i) {
	    ref subfn;

	    array_get(mem, pFunctions, (long)i, &subfn);
	    code = fn_build_sub_function(i_ctx_p, &subfn, &ptr[i], depth, mem);
	    if (code < 0)
		goto fail;
	}
    }
    if ((code = fn_build_float_array(op, "Bounds", true, false, &params.Bounds, mem)) != params.k - 1 ||
	(code = fn_build_float_array(op, "Encode", true, true, &params.Encode, mem)) != 2 * params.k
	)
	goto fail;
    if (params.Range == 0)
	params.n = params.Functions[0]->params.n;
    code = gs_function_1ItSg_init(ppfn, &params, mem);
    if (code >= 0)
	return 0;
fail:
    gs_function_1ItSg_free_params(&params, mem);
    return (code < 0 ? code : gs_note_error(e_rangecheck));
}

Example #2

File: zfunc3.c Project: MasterPlexus/vendor_goldenve

/* Finish building a FunctionType 3 (1-Input Stitching) function. */
int
gs_build_function_3(i_ctx_t *i_ctx_p, const ref *op, const gs_function_params_t * mnDR,
		    int depth, gs_function_t ** ppfn, gs_memory_t *mem)
{
    gs_function_1ItSg_params_t params;
    int code;
    extern bool CPSI_mode;

    *(gs_function_params_t *) & params = *mnDR;
    params.Functions = 0;
    params.Bounds = 0;
    params.Encode = 0;
    {
	ref *pFunctions;
	gs_function_t **ptr;
	int i;

	if ((code = dict_find_string(op, "Functions", &pFunctions)) <= 0)
	    return (code < 0 ? code : gs_note_error(e_rangecheck));
	check_array_only(*pFunctions);
	params.k = r_size(pFunctions);
	code = alloc_function_array(params.k, &ptr, mem);
	if (code < 0)
	    return code;
	params.Functions = (const gs_function_t * const *)ptr;
	for (i = 0; i < params.k; ++i) {
	    ref subfn;

	    array_get(mem, pFunctions, (long)i, &subfn);
	    code = fn_build_sub_function(i_ctx_p, &subfn, &ptr[i], depth, mem, 0, 0);
	    if (code < 0)
		goto fail;
	}
    }
    if ((code = fn_build_float_array(op, "Bounds", true, false, &params.Bounds, mem)) != params.k - 1)
	goto fail;
    if (CPSI_mode) {
	/* Adobe implementation doesn't check the Encode length. */
	/* Extra elements are ignored; missing elements are filled with 0. */
	/* CET 12-14m.ps depends on this bug */
	uint sz, k2 = 2 * params.k;
	ref *encode;
	float *p = (float *)gs_alloc_byte_array(mem, k2, sizeof(float), "Encode");

	params.Encode = p;
	if (p == 0) {
	    code = gs_note_error(e_VMerror);
	    goto fail;
	}
	if (dict_find_string(op, "Encode", &encode) <= 0) {
	    code = gs_note_error(e_undefined);
	    goto fail;
	}
	if (!r_is_array(encode)) {
	    code = gs_note_error(e_typecheck);
	    goto fail;
	}
	sz =  min(k2, r_size(encode));
	code = process_float_array(mem, encode, sz, p);
	if (code < 0)
	    goto fail;
	while (sz < k2)
	    p[sz++] = 0.0;
    } else if ((code = fn_build_float_array(op, "Encode", true, true, &params.Encode, mem)) != 2 * params.k)
	goto fail;
    if (params.Range == 0)
	params.n = params.Functions[0]->params.n;
    code = gs_function_1ItSg_init(ppfn, &params, mem);
    if (code >= 0)
	return 0;
fail:
    gs_function_1ItSg_free_params(&params, mem);
    return (code < 0 ? code : gs_note_error(e_rangecheck));
}

Example #3

File: zfunc.c Project: computersforpeace/ghostpdl

/* Build a function structure from a PostScript dictionary. */
int
fn_build_function(i_ctx_t *i_ctx_p, const ref * op, gs_function_t ** ppfn, gs_memory_t *mem,
    const float *shading_domain, const int num_inputs)
{
    return fn_build_sub_function(i_ctx_p, op, ppfn, 0, mem, shading_domain, num_inputs);
}