/* Initialize a px_gstate_t. */
void
px_gstate_init(px_gstate_t *pxgs, gs_state *pgs)
{ pxgs->halftone.method = eDeviceBest;
pxgs->halftone.set = false;
pxgs->halftone.origin.x = pxgs->halftone.origin.y = 0;
/* halftone.thresholds was initialized at alloc time */
px_gstate_reset(pxgs);
if ( pgs )
gs_state_set_client(pgs, pxgs, &px_gstate_procs, false);
}
/* 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;
}
