static int
test3(void)
{
int nret = EXIT_FAILURE;
sixel_chunk_t *chunk;
sixel_allocator_t *allocator = NULL;
SIXELSTATUS status = SIXEL_FALSE;
sixel_debug_malloc_counter = 1;
status = sixel_allocator_new(&allocator, sixel_bad_malloc, NULL, NULL, NULL);
if (SIXEL_FAILED(status)) {
goto error;
}
status = sixel_chunk_new(&chunk, "../images/map8.six", 0, NULL, allocator);
if (status != SIXEL_BAD_ALLOCATION) {
goto error;
}
nret = EXIT_SUCCESS;
error:
return nret;
}
/* create new output context object */
SIXELAPI SIXELSTATUS
sixel_output_new(
sixel_output_t /* out */ **output,
sixel_write_function /* in */ fn_write,
void /* in */ *priv,
sixel_allocator_t /* in */ *allocator)
{
SIXELSTATUS status = SIXEL_FALSE;
size_t size;
if (allocator == NULL) {
status = sixel_allocator_new(&allocator, NULL, NULL, NULL, NULL);
if (SIXEL_FAILED(status)) {
goto end;
}
} else {
sixel_allocator_ref(allocator);
}
size = sizeof(sixel_output_t) + SIXEL_OUTPUT_PACKET_SIZE * 2;
*output = (sixel_output_t *)sixel_allocator_malloc(allocator, size);
if (*output == NULL) {
sixel_helper_set_additional_message(
"sixel_output_new: sixel_allocator_malloc() failed.");
status = SIXEL_BAD_ALLOCATION;
goto end;
}
(*output)->ref = 1;
(*output)->has_8bit_control = 0;
(*output)->has_sdm_glitch = 0;
(*output)->has_gri_arg_limit = 1;
(*output)->skip_dcs_envelope = 0;
(*output)->palette_type = SIXEL_PALETTETYPE_AUTO;
(*output)->fn_write = fn_write;
(*output)->save_pixel = 0;
(*output)->save_count = 0;
(*output)->active_palette = (-1);
(*output)->node_top = NULL;
(*output)->node_free = NULL;
(*output)->priv = priv;
(*output)->pos = 0;
(*output)->penetrate_multiplexer = 0;
(*output)->encode_policy = SIXEL_ENCODEPOLICY_AUTO;
(*output)->allocator = allocator;
status = SIXEL_OK;
end:
return status;
}
/* create dither context object */
SIXELAPI SIXELSTATUS
sixel_dither_new(
sixel_dither_t /* out */ **ppdither, /* dither object to be created */
int /* in */ ncolors, /* required colors */
sixel_allocator_t /* in */ *allocator) /* allocator, null if you use
default allocator */
{
SIXELSTATUS status = SIXEL_FALSE;
int headsize;
int datasize;
int wholesize;
int quality_mode;
if (ppdither == NULL) {
sixel_helper_set_additional_message(
"sixel_dither_new: ppdither is null.");
status = SIXEL_BAD_ARGUMENT;
goto end;
}
if (allocator == NULL) {
status = sixel_allocator_new(&allocator, NULL, NULL, NULL, NULL);
if (SIXEL_FAILED(status)) {
*ppdither = NULL;
goto end;
}
} else {
sixel_allocator_ref(allocator);
}
if (ncolors == (-1)) {
ncolors = 256;
quality_mode = SIXEL_QUALITY_HIGHCOLOR;
} else {
if (ncolors > SIXEL_PALETTE_MAX) {
ncolors = 256;
} else if (ncolors < 2) {
ncolors = 2;
}
quality_mode = SIXEL_QUALITY_LOW;
}
headsize = sizeof(sixel_dither_t);
datasize = ncolors * 3;
wholesize = headsize + datasize;
*ppdither = (sixel_dither_t *)sixel_allocator_malloc(allocator, wholesize);
if (*ppdither == NULL) {
sixel_allocator_unref(allocator);
sixel_helper_set_additional_message(
"sixel_dither_new: sixel_allocator_malloc() failed.");
status = SIXEL_BAD_ALLOCATION;
goto end;
}
(*ppdither)->ref = 1;
(*ppdither)->palette = (unsigned char*)(*ppdither + 1);
(*ppdither)->cachetable = NULL;
(*ppdither)->reqcolors = ncolors;
(*ppdither)->ncolors = ncolors;
(*ppdither)->origcolors = (-1);
(*ppdither)->keycolor = (-1);
(*ppdither)->optimized = 0;
(*ppdither)->optimize_palette = 0;
(*ppdither)->complexion = 1;
(*ppdither)->bodyonly = 0;
(*ppdither)->method_for_largest = SIXEL_LARGE_NORM;
(*ppdither)->method_for_rep = SIXEL_REP_CENTER_BOX;
(*ppdither)->method_for_diffuse = SIXEL_DIFFUSE_FS;
(*ppdither)->quality_mode = quality_mode;
(*ppdither)->pixelformat = SIXEL_PIXELFORMAT_RGB888;
(*ppdither)->allocator = allocator;
status = SIXEL_OK;
end:
return status;
}
