/* Do per-instance interpreter allocation/init. No device is set yet */
static int /* ret 0 ok, else -ve error code */
pxl_impl_allocate_interp_instance(
pl_interp_instance_t **instance, /* RETURNS instance struct */
pl_interp_t *interp, /* dummy interpreter */
gs_memory_t *mem /* allocator to allocate instance from */
)
{
/* Allocate everything up front */
pxl_interp_instance_t *pxli /****** SHOULD HAVE A STRUCT DESCRIPTOR ******/
= (pxl_interp_instance_t *)gs_alloc_bytes( mem,
sizeof(pxl_interp_instance_t),
"pxl_allocate_interp_instance(pxl_interp_instance_t)"
);
gs_state *pgs = gs_state_alloc(mem);
px_parser_state_t *st = px_process_alloc(mem); /* parser init, cheap */
px_state_t *pxs = px_state_alloc(mem); /* inits interp state, potentially expensive */
/* If allocation error, deallocate & return */
if (!pxli || !pgs || !st || !pxs) {
if (pxli)
gs_free_object(mem, pxli, "pxl_impl_allocate_interp_instance(pxl_interp_instance_t)");
if (pgs)
gs_state_free(pgs);
if (st)
px_process_release(st);
if (pxs)
px_state_release(pxs);
return gs_error_VMerror;
}
gsicc_init_iccmanager(pgs);
/* Setup pointers to allocated mem within instance */
pxli->memory = mem;
pxli->pgs = pgs;
pxli->pxs = pxs;
pxli->st = st;
/* zero-init pre/post page actions for now */
pxli->pre_page_action = 0;
pxli->post_page_action = 0;
/* General init of pxl_state */
px_state_init(pxs, pgs); /*pgs only needed to set pxs as pgs' client */
pxs->client_data = pxli;
pxs->end_page = pxl_end_page_top; /* after px_state_init */
/* Return success */
*instance = (pl_interp_instance_t *)pxli;
return 0;
}
/* Initialize the graphics stack. */
gs_state *
int_gstate_alloc(const gs_dual_memory_t * dmem)
{
int_gstate *iigs;
ref proc0;
int_remap_color_info_t *prci;
gs_ref_memory_t *lmem = dmem->space_local;
gs_ref_memory_t *gmem = dmem->space_global;
gs_state *pgs = gs_state_alloc((gs_memory_t *)lmem);
iigs = gs_alloc_struct((gs_memory_t *)lmem, int_gstate, &st_int_gstate,
"int_gstate_alloc(int_gstate)");
int_gstate_map_refs(iigs, make_null);
make_empty_array(&iigs->dash_pattern_array, a_all);
gs_alloc_ref_array(lmem, &proc0, a_readonly + a_executable, 2,
"int_gstate_alloc(proc0)");
make_oper(proc0.value.refs, 0, zpop);
make_real(proc0.value.refs + 1, 0.0);
iigs->black_generation = proc0;
iigs->undercolor_removal = proc0;
make_false(&iigs->use_cie_color);
/*
* Even though the gstate itself is allocated in local VM, the
* container for the color remapping procedure must be allocated in
* global VM so that the gstate can be copied into global VM.
*/
prci = gs_alloc_struct((gs_memory_t *)gmem, int_remap_color_info_t,
&st_int_remap_color_info,
"int_gstate_alloc(remap color info)");
make_struct(&iigs->remap_color_info, imemory_space(gmem), prci);
clear_pagedevice(iigs);
gs_state_set_client(pgs, iigs, &istate_procs, true);
/* PostScript code wants limit clamping enabled. */
gs_setlimitclamp(pgs, true);
/*
* gsave and grestore only work properly
* if there are always at least 2 entries on the stack.
* We count on the PostScript initialization code to do a gsave.
*/
return pgs;
}
int
main(int argc, const char *argv[])
{
char achar = '0';
gs_memory_t *mem;
gs_state *pgs;
const gx_device *const *list;
gx_device *dev;
gx_device_bbox *bbdev;
int code;
gp_init();
mem = gs_malloc_init();
gs_lib_init1(mem);
if (argc < 2 || (achar = argv[1][0]) < '1' ||
achar > '0' + countof(tests) - 1
) {
lprintf1("Usage: gslib 1..%c\n", '0' + (char)countof(tests) - 1);
gs_abort(mem);
}
gs_debug['@'] = 1;
gs_debug['?'] = 1;
/*gs_debug['B'] = 1; *//****** PATCH ******/
/*gs_debug['L'] = 1; *//****** PATCH ******/
/*
* gs_iodev_init must be called after the rest of the inits, for
* obscure reasons that really should be documented!
*/
gs_iodev_init(mem);
/****** WRONG ******/
gs_lib_device_list(&list, NULL);
gs_copydevice(&dev, list[0], mem);
check_device_separable(dev);
gx_device_fill_in_procs(dev);
bbdev =
gs_alloc_struct_immovable(mem, gx_device_bbox, &st_device_bbox,
"bbox");
gx_device_bbox_init(bbdev, dev, mem);
code = dev_proc(dev, get_profile)(dev, &bbdev->icc_struct);
rc_increment(bbdev->icc_struct);
/* Print out the device name just to test the gsparam.c API. */
{
gs_c_param_list list;
gs_param_string nstr;
gs_c_param_list_write(&list, mem);
code = gs_getdeviceparams(dev, (gs_param_list *) & list);
if (code < 0) {
lprintf1("getdeviceparams failed! code = %d\n", code);
gs_abort(mem);
}
gs_c_param_list_read(&list);
code = param_read_string((gs_param_list *) & list, "Name", &nstr);
if (code < 0) {
lprintf1("reading Name failed! code = %d\n", code);
gs_abort(mem);
}
dputs("Device name = ");
debug_print_string(nstr.data, nstr.size);
dputs("\n");
gs_c_param_list_release(&list);
}
/*
* If this is a device that takes an OutputFile, set the OutputFile
* to "-" in the copy.
*/
{
gs_c_param_list list;
gs_param_string nstr;
gs_c_param_list_write(&list, mem);
param_string_from_string(nstr, "-");
code = param_write_string((gs_param_list *)&list, "OutputFile", &nstr);
if (code < 0) {
lprintf1("writing OutputFile failed! code = %d\n", code);
gs_abort(mem);
}
gs_c_param_list_read(&list);
code = gs_putdeviceparams(dev, (gs_param_list *)&list);
gs_c_param_list_release(&list);
if (code < 0 && code != gs_error_undefined) {
lprintf1("putdeviceparams failed! code = %d\n", code);
gs_abort(mem);
}
}
dev = (gx_device *) bbdev;
pgs = gs_state_alloc(mem);
gs_setdevice_no_erase(pgs, dev); /* can't erase yet */
{
gs_point dpi;
gs_screen_halftone ht;
gs_dtransform(pgs, 72.0, 72.0, &dpi);
ht.frequency = min(fabs(dpi.x), fabs(dpi.y)) / 16.001;
ht.angle = 0;
ht.spot_function = odsf;
gs_setscreen(pgs, &ht);
}
/* gsave and grestore (among other places) assume that */
/* there are at least 2 gstates on the graphics stack. */
/* Ensure that now. */
gs_gsave(pgs);
gs_erasepage(pgs);
code = (*tests[achar - '1']) (pgs, mem);
gs_output_page(pgs, 1, 1);
{
gs_rect bbox;
gx_device_bbox_bbox(bbdev, &bbox);
dprintf4("Bounding box: [%g %g %g %g]\n",
bbox.p.x, bbox.p.y, bbox.q.x, bbox.q.y);
}
if (code)
dprintf1("**** Test returned code = %d.\n", code);
dputs("Done. Press <enter> to exit.");
fgetc(mem->gs_lib_ctx->fstdin);
gs_lib_finit(0, 0, mem);
return 0;
#undef mem
}
