diff options
Diffstat (limited to 'base/gsstate.c')
| -rw-r--r-- | base/gsstate.c | 100 |
1 files changed, 87 insertions, 13 deletions
diff --git a/base/gsstate.c b/base/gsstate.c index e48192ce..898b879e 100644 --- a/base/gsstate.c +++ b/base/gsstate.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2019 Artifex Software, Inc. +/* Copyright (C) 2001-2020 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -22,7 +22,6 @@ #include "gsutil.h" /* for gs_next_ids */ #include "gzstate.h" #include "gxcspace.h" /* here for gscolor2.h */ -#include "gsalpha.h" #include "gscolor2.h" #include "gscoord.h" /* for gs_initmatrix */ #include "gscie.h" @@ -37,8 +36,10 @@ #include "gzcpath.h" #include "gsovrc.h" #include "gxcolor2.h" +#include "gscolor3.h" /* for gs_smoothness() */ #include "gxpcolor.h" #include "gsicc_manage.h" +#include "gxdevsop.h" /* Forward references */ static gs_gstate *gstate_alloc(gs_memory_t *, client_name_t, @@ -232,7 +233,6 @@ gs_gstate_alloc(gs_memory_t * mem) code = gs_nulldevice(pgs); if (code < 0) goto fail; - gs_setalpha(pgs, 1.0); gs_setfillconstantalpha(pgs, 1.0); gs_setstrokeconstantalpha(pgs, 1.0); gs_setalphaisshape(pgs, false); @@ -319,8 +319,8 @@ gs_gsave(gs_gstate * pgs) if (pgs->show_gstate == pgs) pgs->show_gstate = pnew->show_gstate = pnew; pgs->level++; - if_debug2m('g', pgs->memory, "[g]gsave -> 0x%lx, level = %d\n", - (ulong) pnew, pgs->level); + if_debug2m('g', pgs->memory, "[g]gsave -> "PRI_INTPTR", level = %d\n", + (intptr_t)pnew, pgs->level); return 0; } @@ -378,8 +378,8 @@ gs_grestore_only(gs_gstate * pgs) void *pdata = pgs->client_data; void *sdata; - if_debug2m('g', pgs->memory, "[g]grestore 0x%lx, level was %d\n", - (ulong) saved, pgs->level); + if_debug2m('g', pgs->memory, "[g]grestore "PRI_INTPTR", level was %d\n", + (intptr_t)saved, pgs->level); if (!saved) return 1; sdata = saved->client_data; @@ -593,8 +593,11 @@ gs_gstate_update_overprint(gs_gstate * pgs, const gs_overprint_params_t * pparam pgs->memory, NULL); if (code >= 0 || code == gs_error_handled){ - if (ovptdev != dev) + if (ovptdev != dev) { gx_set_device_only(pgs, ovptdev); + /* Get rid of extra reference */ + rc_decrement(ovptdev, "gs_gstate_update_overprint(ovptdev)"); + } code = 0; } } @@ -635,11 +638,36 @@ gs_do_set_overprint(gs_gstate * pgs) else { gx_device* dev = pgs->device; cmm_dev_profile_t* dev_profile; + gs_color_space_index pcs_index = gs_color_space_get_index(pcs); dev_proc(dev, get_profile)(dev, &dev_profile); - if (!dev_profile->sim_overprint || dev_profile->device_profile[0]->data_cs != gsCMYK) + if (!dev_profile->sim_overprint) return code; + /* Transparency device that supports spots and where we have + sep or devicen colors needs special consideration if the device + is in a additive blend mode. This could + be written more compactly, but it would be unreadable. */ + if (dev_proc(dev, dev_spec_op)(dev, gxdso_pdf14_sep_device, NULL, 0) && + (dev->color_info.polarity != GX_CINFO_POLARITY_SUBTRACTIVE) && + (pcs_index == gs_color_space_index_DeviceN || + pcs_index == gs_color_space_index_Separation)) { + if (pcs_index == gs_color_space_index_Separation) { + if (!(pcs->params.separation.color_type == SEP_MIX || + pcs->params.separation.color_type == SEP_ENUM)) { + /* Sep color is not a spot color. We can't do OP and trans */ + return code; + } + } + if (pcs_index == gs_color_space_index_DeviceN) { + if (pcs->params.device_n.color_type != SEP_PURE_SPOT) { + /* DeviceN has process colors We can't do OP and trans. */ + return code; + } + } + + } + /* The spaces that do not allow opm (e.g. ones that are not ICC or DeviceCMYK) will blow away any true setting later. But we have to be prepared in case this is a CMYK ICC space for example. Hence we set effective mode @@ -915,7 +943,46 @@ gs_initgraphics(gs_gstate * pgs) } pgs->in_cachedevice = 0; + code = gs_settextspacing(pgs, (double)0.0); + if (code < 0) + goto exit; + code = gs_settextleading(pgs, (double)0.0); + if (code < 0) + goto exit; + + gs_settextrenderingmode(pgs, 0); + + code = gs_setwordspacing(pgs, (double)0.0); + if (code < 0) + goto exit; + code = gs_settexthscaling(pgs, (double)100.0); + if (code < 0) + goto exit; + + gs_setaccuratecurves(pgs, true); + + code = gs_setstrokeconstantalpha(pgs, 1.0); + if (code < 0) + goto exit; + code = gs_setfillconstantalpha(pgs, 1.0); + if (code < 0) + goto exit; + code = gs_setalphaisshape(pgs, 0); + if (code < 0) + goto exit; + code = gs_setblendmode(pgs, BLEND_MODE_Compatible); + if (code < 0) + goto exit; + code = gs_settextknockout(pgs, true); + if (code < 0) + goto exit; + code = gs_setsmoothness(pgs, 0.02); /* Match gs code */ + if (code < 0) + goto exit; + return 0; +exit: + return code; } /* setfilladjust */ @@ -980,6 +1047,13 @@ gs_currenttextspacing(const gs_gstate *pgs) int gs_settextspacing(gs_gstate *pgs, double Tc) { + int code = 0; + gs_fixed_point dxy; + + code = gs_distance_transform2fixed(&pgs->ctm, Tc, 1, &dxy); + if (code < 0) + return code; + pgs->textspacing = (float)Tc; return 0; } @@ -1279,7 +1353,7 @@ gstate_clone(gs_gstate * pfrom, gs_memory_t * mem, client_name_t cname, return pgs; fail: if (pdata != NULL) - (*pfrom->client_procs.free) (pdata, mem); + (*pfrom->client_procs.free) (pdata, mem, pgs); memset(pgs->color, 0, 2*sizeof(gs_gstate_color)); gs_free_object(mem, pgs->line_params.dash.pattern, cname); GSTATE_ASSIGN_PARTS(pgs, &parts); @@ -1333,15 +1407,15 @@ gstate_free_contents(gs_gstate * pgs) gx_cpath_free(pgs->view_clip, cname); pgs->view_clip = NULL; } + if (pgs->client_data != 0) + (*pgs->client_procs.free) (pgs->client_data, mem, pgs); + pgs->client_data = 0; gs_swapcolors_quick(pgs); cs_adjust_counts_icc(pgs, -1); gs_swapcolors_quick(pgs); cs_adjust_counts_icc(pgs, -1); pgs->color[0].color_space = 0; pgs->color[1].color_space = 0; - if (pgs->client_data != 0) - (*pgs->client_procs.free) (pgs->client_data, mem); - pgs->client_data = 0; gs_free_object(mem, pgs->line_params.dash.pattern, cname); pgs->line_params.dash.pattern = 0; gstate_free_parts(pgs, mem, cname); /* this also clears pointers to freed elements */ |