diff options
Diffstat (limited to 'Build/source/texk/dvipdfm-x/pdfresource.c')
-rw-r--r-- | Build/source/texk/dvipdfm-x/pdfresource.c | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/Build/source/texk/dvipdfm-x/pdfresource.c b/Build/source/texk/dvipdfm-x/pdfresource.c deleted file mode 100644 index 91c353cff7f..00000000000 --- a/Build/source/texk/dvipdfm-x/pdfresource.c +++ /dev/null @@ -1,375 +0,0 @@ -/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. - - Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata, - the dvipdfmx project team. - - Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. -*/ - -/* - * Currently, this is nearly useless. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "system.h" -#include "mem.h" -#include "error.h" - -#include "dpxutil.h" - -#include "pdfobj.h" - -#include "pdfresource.h" - -#define PDF_RESOURCE_DEBUG_STR "PDF" -#define PDF_RESOURCE_DEBUG 3 - -#define PDF_RESOURCE_FONT 0 -#define PDF_RESOURCE_CIDFONT 1 -#define PDF_RESOURCE_ENCODING 2 -#define PDF_RESOURCE_CMAP 3 -#define PDF_RESOURCE_XOBJECT 4 -#define PDF_RESOURCE_COLORSPACE 5 -#define PDF_RESOURCE_SHADING 6 -#define PDF_RESOURCE_PATTERN 7 -#define PDF_RESOURCE_GSTATE 8 - -typedef struct pdf_res -{ - char *ident; - - int flags; - - int category; - void *cdata; - - pdf_obj *object; - pdf_obj *reference; -} pdf_res; - -static struct { - const char *name; - int cat_id; -} pdf_resource_categories[] = { - {"Font", PDF_RESOURCE_FONT}, - {"CIDFont", PDF_RESOURCE_CIDFONT}, - {"Encoding", PDF_RESOURCE_ENCODING}, - {"CMap", PDF_RESOURCE_CMAP}, - {"XObject", PDF_RESOURCE_XOBJECT}, - {"ColorSpace", PDF_RESOURCE_COLORSPACE}, - {"Shading", PDF_RESOURCE_SHADING}, - {"Pattern", PDF_RESOURCE_PATTERN}, - {"ExtGState", PDF_RESOURCE_GSTATE}, -}; - -#define PDF_NUM_RESOURCE_CATEGORIES (sizeof(pdf_resource_categories)/sizeof(pdf_resource_categories[0])) - -#define CACHE_ALLOC_SIZE 16u -struct res_cache -{ - int count; - int capacity; - pdf_res *resources; -}; - -static struct res_cache resources[PDF_NUM_RESOURCE_CATEGORIES]; - -static void -pdf_init_resource (pdf_res *res) -{ - ASSERT(res); - - res->ident = NULL; - res->category = -1; - res->flags = 0; - res->cdata = NULL; - res->object = NULL; - res->reference = NULL; - - return; -} - -static void -pdf_flush_resource (pdf_res *res) -{ - if (res) { - if (res->reference) - pdf_release_obj(res->reference); - if (res->object) - pdf_release_obj(res->object); - - res->reference = NULL; - res->object = NULL; - } -} - -static void -pdf_clean_resource (pdf_res *res) -{ - if (res) { - if (res->reference || res->object) - WARN("Trying to release un-flushed object."); - if (res->reference) - pdf_release_obj(res->reference); - if (res->object) - pdf_release_obj(res->object); - if (res->ident) - RELEASE(res->ident); - res->ident = NULL; - res->category = -1; - res->flags = 0; - } -} - -void -pdf_init_resources (void) -{ - int i; - - for (i = 0; - i < PDF_NUM_RESOURCE_CATEGORIES; i++) { - resources[i].count = 0; - resources[i].capacity = 0; - resources[i].resources = NULL; - } -} - -void -pdf_close_resources (void) -{ - int i; - - for (i = 0; - i < PDF_NUM_RESOURCE_CATEGORIES; i++) { - struct res_cache *rc; - int j; - - rc = &resources[i]; - for (j = 0; j < rc->count; j++) { - pdf_flush_resource(&rc->resources[j]); - pdf_clean_resource(&rc->resources[j]); - } - RELEASE(rc->resources); - - rc->count = 0; - rc->capacity = 0; - rc->resources = NULL; - } -} - -static int -get_category (const char *category) -{ - int i; - - for (i = 0; - i < PDF_NUM_RESOURCE_CATEGORIES; i++) { - if (!strcmp(category, pdf_resource_categories[i].name)) { - return pdf_resource_categories[i].cat_id; - } - } - - return -1; -} - -int -pdf_defineresource (const char *category, - const char *resname, pdf_obj *object, int flags) -{ - int res_id; - struct res_cache *rc; - int cat_id; - pdf_res *res = NULL; - - ASSERT(category && object); - - cat_id = get_category(category); - if (cat_id < 0) { - ERROR("Unknown resource category: %s", category); - return -1; - } - - rc = &resources[cat_id]; - if (resname) { - for (res_id = 0; res_id < rc->count; res_id++) { - res = &rc->resources[res_id]; - if (!strcmp(resname, res->ident)) { - WARN("Resource %s (category: %s) already defined...", - resname, category); - pdf_flush_resource(res); - res->flags = flags; - if (flags & PDF_RES_FLUSH_IMMEDIATE) { - res->reference = pdf_ref_obj(object); - pdf_release_obj(object); - } else { - res->object = object; - } - return (cat_id << 16) | res_id; - } - } - } else { - res_id = rc->count; - } - - if (res_id == rc->count) { - if (rc->count >= rc->capacity) { - rc->capacity += CACHE_ALLOC_SIZE; - rc->resources = RENEW(rc->resources, rc->capacity, pdf_res); - } - res = &rc->resources[res_id]; - - pdf_init_resource(res); - if (resname && resname[0] != '\0') { - res->ident = NEW(strlen(resname) + 1, char); - strcpy(res->ident, resname); - } - res->category = cat_id; - res->flags = flags; - if (flags & PDF_RES_FLUSH_IMMEDIATE) { - res->reference = pdf_ref_obj(object); - pdf_release_obj(object); - } else { - res->object = object; - } - rc->count++; - } - - return (cat_id << 16) | res_id; -} - -#if 0 -int -pdf_resource_exist (const char *category, const char *resname) -{ - int res_id; - struct res_cache *rc; - int cat_id; - - ASSERT(resname && category); - - cat_id = get_category(category); - if (cat_id < 0) - ERROR("Unknown resource category: %s", category); - - rc = &resources[cat_id]; - for (res_id = 0; res_id < rc->count; res_id++) { - pdf_res *res; - - res = &rc->resources[res_id]; - if (!strcmp(resname, res->ident)) { - return 1; - } - } - - return 0; -} -#endif - -int -pdf_findresource (const char *category, const char *resname) -{ - pdf_res *res; - int res_id, cat_id; - struct res_cache *rc; - - ASSERT(resname && category); - - cat_id = get_category(category); - if (cat_id < 0) { - ERROR("Unknown resource category: %s", category); - return -1; - } - - rc = &resources[cat_id]; - for (res_id = 0; res_id < rc->count; res_id++) { - res = &rc->resources[res_id]; - if (!strcmp(resname, res->ident)) { - return cat_id << 16 | res_id; - } - } - - return -1; -} - -pdf_obj * -pdf_get_resource_reference (int rc_id) -{ - int cat_id, res_id; - struct res_cache *rc; - pdf_res *res; - - cat_id = (rc_id >> 16) & 0xffff; - res_id = rc_id & 0xffff; - - if (cat_id < 0 || - cat_id >= PDF_NUM_RESOURCE_CATEGORIES) { - ERROR("Invalid category ID: %d", cat_id); - return NULL; - } - rc = &resources[cat_id]; - if (res_id < 0 || res_id >= rc->count) { - ERROR("Invalid resource ID: %d", res_id); - return NULL; - } - - res = &rc->resources[res_id]; - if (!res->reference) { - if (!res->object) { - ERROR("Undefined object..."); - return NULL; - } else { - res->reference = pdf_ref_obj(res->object); - } - } - - return pdf_link_obj(res->reference); -} - -#if 0 -pdf_obj * -pdf_get_resource (int rc_id) -{ - int cat_id, res_id; - struct res_cache *rc; - pdf_res *res; - - cat_id = (rc_id >> 16) & 0xffff; - res_id = rc_id & 0xffff; - - if (cat_id < 0 || - cat_id >= PDF_NUM_RESOURCE_CATEGORIES) { - ERROR("Invalid category ID: %d", cat_id); - return NULL; - } - rc = &resources[cat_id]; - if (res_id < 0 || res_id >= rc->count) { - ERROR("Invalid resource ID: %d", res_id); - return NULL; - } - - res = &rc->resources[res_id]; - if (!res->object) { - ERROR("Object already flushed???"); - return NULL; - } - - return res->object; -} -#endif |