mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-03-14 16:17:13 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
386 lines
9.7 KiB
C
386 lines
9.7 KiB
C
/*
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* << Haru Free PDF Library >> -- hpdf_catalog.c
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*
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* URL: http://libharu.org
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*
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* Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
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* Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation.
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* It is provided "as is" without express or implied warranty.
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*
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*/
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#include "hpdf_conf.h"
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#include "hpdf_utils.h"
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#include "hpdf_catalog.h"
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#include "hpdf_pages.h"
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static const char * const HPDF_PAGE_LAYOUT_NAMES[] = {
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"SinglePage",
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"OneColumn",
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"TwoColumnLeft",
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"TwoColumnRight",
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"TwoPageLeft",
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"TwoPageRight",
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NULL
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};
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static const char * const HPDF_PAGE_MODE_NAMES[] = {
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"UseNone",
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"UseOutlines",
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"UseThumbs",
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"FullScreen",
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"UseOC",
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"UseAttachments",
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NULL
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};
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HPDF_Catalog
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HPDF_Catalog_New (HPDF_MMgr mmgr,
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HPDF_Xref xref)
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{
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HPDF_Catalog catalog;
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HPDF_STATUS ret = 0;
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catalog = HPDF_Dict_New (mmgr);
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if (!catalog)
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return NULL;
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catalog->header.obj_class |= HPDF_OSUBCLASS_CATALOG;
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if (HPDF_Xref_Add (xref, catalog) != HPDF_OK)
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return NULL;
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/* add requiered elements */
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ret += HPDF_Dict_AddName (catalog, "Type", "Catalog");
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ret += HPDF_Dict_Add (catalog, "Pages", HPDF_Pages_New (mmgr, NULL, xref));
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if (ret != HPDF_OK)
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return NULL;
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return catalog;
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}
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HPDF_Pages
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HPDF_Catalog_GetRoot (HPDF_Catalog catalog)
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{
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HPDF_Dict pages;
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if (!catalog)
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return NULL;
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pages = HPDF_Dict_GetItem (catalog, "Pages", HPDF_OCLASS_DICT);
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if (!pages || pages->header.obj_class != (HPDF_OSUBCLASS_PAGES |
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HPDF_OCLASS_DICT))
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HPDF_SetError (catalog->error, HPDF_PAGE_CANNOT_GET_ROOT_PAGES, 0);
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return pages;
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}
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HPDF_NameDict
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HPDF_Catalog_GetNames (HPDF_Catalog catalog)
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{
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if (!catalog)
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return NULL;
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return HPDF_Dict_GetItem (catalog, "Names", HPDF_OCLASS_DICT);
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}
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HPDF_STATUS
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HPDF_Catalog_SetNames (HPDF_Catalog catalog,
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HPDF_NameDict dict)
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{
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return HPDF_Dict_Add (catalog, "Names", dict);
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}
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HPDF_PageLayout
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HPDF_Catalog_GetPageLayout (HPDF_Catalog catalog)
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{
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HPDF_Name layout;
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HPDF_UINT i = 0;
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layout = (HPDF_Name)HPDF_Dict_GetItem (catalog, "PageLayout",
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HPDF_OCLASS_NAME);
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if (!layout)
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return HPDF_PAGE_LAYOUT_EOF;
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while (HPDF_PAGE_LAYOUT_NAMES[i]) {
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if (HPDF_StrCmp (layout->value, HPDF_PAGE_LAYOUT_NAMES[i]) == 0)
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return (HPDF_PageLayout)i;
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i++;
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}
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return HPDF_PAGE_LAYOUT_EOF;
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}
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HPDF_STATUS
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HPDF_Catalog_SetPageLayout (HPDF_Catalog catalog,
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HPDF_PageLayout layout)
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{
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return HPDF_Dict_AddName (catalog, "PageLayout",
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HPDF_PAGE_LAYOUT_NAMES[(HPDF_INT)layout]);
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}
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HPDF_PageMode
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HPDF_Catalog_GetPageMode (HPDF_Catalog catalog)
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{
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HPDF_Name mode;
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HPDF_UINT i = 0;
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mode = (HPDF_Name)HPDF_Dict_GetItem (catalog, "PageMode", HPDF_OCLASS_NAME);
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if (!mode)
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return HPDF_PAGE_MODE_USE_NONE;
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while (HPDF_PAGE_MODE_NAMES[i]) {
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if (HPDF_StrCmp (mode->value, HPDF_PAGE_MODE_NAMES[i]) == 0)
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return (HPDF_PageMode)i;
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i++;
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}
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return HPDF_PAGE_MODE_USE_NONE;
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}
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HPDF_STATUS
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HPDF_Catalog_SetPageMode (HPDF_Catalog catalog,
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HPDF_PageMode mode)
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{
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return HPDF_Dict_AddName (catalog, "PageMode",
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HPDF_PAGE_MODE_NAMES[(HPDF_INT)mode]);
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}
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HPDF_STATUS
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HPDF_Catalog_SetOpenAction (HPDF_Catalog catalog,
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HPDF_Destination open_action)
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{
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if (!open_action) {
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HPDF_Dict_RemoveElement (catalog, "OpenAction");
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return HPDF_OK;
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}
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return HPDF_Dict_Add (catalog, "OpenAction", open_action);
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}
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HPDF_BOOL
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HPDF_Catalog_Validate (HPDF_Catalog catalog)
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{
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if (!catalog)
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return HPDF_FALSE;
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if (catalog->header.obj_class != (HPDF_OSUBCLASS_CATALOG |
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HPDF_OCLASS_DICT)) {
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HPDF_SetError (catalog->error, HPDF_INVALID_OBJECT, 0);
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return HPDF_FALSE;
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}
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return HPDF_TRUE;
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}
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HPDF_STATUS
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HPDF_Catalog_AddPageLabel (HPDF_Catalog catalog,
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HPDF_UINT page_num,
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HPDF_Dict page_label)
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{
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HPDF_STATUS ret;
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HPDF_Array nums;
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HPDF_Dict labels = HPDF_Dict_GetItem (catalog, "PageLabels",
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HPDF_OCLASS_DICT);
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HPDF_PTRACE ((" HPDF_Catalog_AddPageLabel\n"));
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if (!labels) {
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labels = HPDF_Dict_New (catalog->mmgr);
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if (!labels)
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return catalog->error->error_no;
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if ((ret = HPDF_Dict_Add (catalog, "PageLabels", labels)) != HPDF_OK)
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return ret;
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}
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nums = HPDF_Dict_GetItem (labels, "Nums", HPDF_OCLASS_ARRAY);
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if (!nums) {
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nums = HPDF_Array_New (catalog->mmgr);
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if (!nums)
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return catalog->error->error_no;
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if ((ret = HPDF_Dict_Add (labels, "Nums", nums)) != HPDF_OK)
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return ret;
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}
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if ((ret = HPDF_Array_AddNumber (nums, page_num)) != HPDF_OK)
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return ret;
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return HPDF_Array_Add (nums, page_label);
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}
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HPDF_STATUS
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HPDF_Catalog_SetViewerPreference (HPDF_Catalog catalog,
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HPDF_UINT value)
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{
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HPDF_STATUS ret;
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HPDF_Dict preferences;
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HPDF_PTRACE ((" HPDF_Catalog_SetViewerPreference\n"));
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if (!value) {
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ret = HPDF_Dict_RemoveElement (catalog, "ViewerPreferences");
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if (ret == HPDF_DICT_ITEM_NOT_FOUND)
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ret = HPDF_OK;
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return ret;
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}
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preferences = HPDF_Dict_New (catalog->mmgr);
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if (!preferences)
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return catalog->error->error_no;
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if ((ret = HPDF_Dict_Add (catalog, "ViewerPreferences", preferences))
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!= HPDF_OK)
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return ret;
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/* */
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if (value & HPDF_HIDE_TOOLBAR) {
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if ((ret = HPDF_Dict_AddBoolean (preferences, "HideToolbar",
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HPDF_TRUE)) != HPDF_OK)
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return ret;
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} else {
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if ((ret = HPDF_Dict_RemoveElement (preferences, "HideToolbar")) !=
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HPDF_OK)
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if (ret != HPDF_DICT_ITEM_NOT_FOUND)
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return ret;
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}
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if (value & HPDF_HIDE_MENUBAR) {
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if ((ret = HPDF_Dict_AddBoolean (preferences, "HideMenubar",
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HPDF_TRUE)) != HPDF_OK)
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return ret;
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} else {
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if ((ret = HPDF_Dict_RemoveElement (preferences, "HideMenubar")) !=
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HPDF_OK)
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if (ret != HPDF_DICT_ITEM_NOT_FOUND)
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return ret;
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}
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if (value & HPDF_HIDE_WINDOW_UI) {
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if ((ret = HPDF_Dict_AddBoolean (preferences, "HideWindowUI",
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HPDF_TRUE)) != HPDF_OK)
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return ret;
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} else {
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if ((ret = HPDF_Dict_RemoveElement (preferences, "HideWindowUI")) !=
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HPDF_OK)
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if (ret != HPDF_DICT_ITEM_NOT_FOUND)
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return ret;
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}
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if (value & HPDF_FIT_WINDOW) {
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if ((ret = HPDF_Dict_AddBoolean (preferences, "FitWindow",
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HPDF_TRUE)) != HPDF_OK)
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return ret;
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} else {
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if ((ret = HPDF_Dict_RemoveElement (preferences, "FitWindow")) !=
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HPDF_OK)
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if (ret != HPDF_DICT_ITEM_NOT_FOUND)
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return ret;
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}
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if (value & HPDF_CENTER_WINDOW) {
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if ((ret = HPDF_Dict_AddBoolean (preferences, "CenterWindow",
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HPDF_TRUE)) != HPDF_OK)
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return ret;
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} else {
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if ((ret = HPDF_Dict_RemoveElement (preferences, "CenterWindow")) !=
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HPDF_OK)
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if (ret != HPDF_DICT_ITEM_NOT_FOUND)
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return ret;
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}
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if (value & HPDF_PRINT_SCALING_NONE) {
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if ((ret = HPDF_Dict_AddName (preferences, "PrintScaling",
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"None")) != HPDF_OK)
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return ret;
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} else {
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if ((ret = HPDF_Dict_RemoveElement (preferences, "PrintScaling")) !=
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HPDF_OK)
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if (ret != HPDF_DICT_ITEM_NOT_FOUND)
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return ret;
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}
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return HPDF_OK;
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}
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HPDF_UINT
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HPDF_Catalog_GetViewerPreference (HPDF_Catalog catalog)
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{
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HPDF_Dict preferences;
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HPDF_UINT value = 0;
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HPDF_Boolean obj;
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HPDF_PTRACE ((" HPDF_Catalog_GetViewerPreference\n"));
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preferences = (HPDF_Dict)HPDF_Dict_GetItem (catalog, "ViewerPreferences",
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HPDF_OCLASS_DICT);
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if (!preferences)
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return 0;
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obj = (HPDF_Boolean)HPDF_Dict_GetItem (preferences, "HideToolbar",
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HPDF_OCLASS_BOOLEAN);
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if (obj) {
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if (obj->value)
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value += HPDF_HIDE_TOOLBAR;
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}
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obj = (HPDF_Boolean)HPDF_Dict_GetItem (preferences, "HideMenubar",
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HPDF_OCLASS_BOOLEAN);
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if (obj) {
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if (obj->value)
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value += HPDF_HIDE_MENUBAR;
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}
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obj = (HPDF_Boolean)HPDF_Dict_GetItem (preferences, "HideWindowUI",
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HPDF_OCLASS_BOOLEAN);
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if (obj) {
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if (obj->value)
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value += HPDF_HIDE_WINDOW_UI;
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}
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obj = (HPDF_Boolean)HPDF_Dict_GetItem (preferences, "FitWindow",
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HPDF_OCLASS_BOOLEAN);
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if (obj) {
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if (obj->value)
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value += HPDF_FIT_WINDOW;
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}
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obj = (HPDF_Boolean)HPDF_Dict_GetItem (preferences, "CenterWindow",
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HPDF_OCLASS_BOOLEAN);
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if (obj) {
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if (obj->value)
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value += HPDF_CENTER_WINDOW;
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}
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return value;
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}
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