From 7d6099e1503637df0505a2459b57b34dc291ad97 Mon Sep 17 00:00:00 2001 From: Tavmjong Bah Date: Mon, 23 Oct 2017 14:55:39 +0200 Subject: Save decl list for 'font-face' rule. Micro-step in supporting rule. --- src/sp-style-elem.cpp | 67 ++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 48 insertions(+), 19 deletions(-) (limited to 'src/sp-style-elem.cpp') diff --git a/src/sp-style-elem.cpp b/src/sp-style-elem.cpp index 1a3c194b9..2deaccad0 100644 --- a/src/sp-style-elem.cpp +++ b/src/sp-style-elem.cpp @@ -281,8 +281,10 @@ start_font_face_cb(CRDocHandler *a_handler, static_cast(parse_tmp.currStmt), unsigned(parse_tmp.stmtType)); // fixme: Check whether we need to unref currStmt if non-NULL. } + CRStatement *font_face_rule = cr_statement_new_at_font_face_rule (parse_tmp.stylesheet, NULL); + g_return_if_fail(font_face_rule && font_face_rule->type == AT_FONT_FACE_RULE_STMT); parse_tmp.stmtType = FONT_FACE_STMT; - parse_tmp.currStmt = NULL; + parse_tmp.currStmt = font_face_rule; } static void @@ -291,12 +293,26 @@ end_font_face_cb(CRDocHandler *a_handler) g_return_if_fail(a_handler->app_data != NULL); ParseTmp &parse_tmp = *static_cast(a_handler->app_data); g_return_if_fail(parse_tmp.hasMagic()); - if (parse_tmp.stmtType != FONT_FACE_STMT || parse_tmp.currStmt != NULL) { - g_warning("Expecting currStmt==NULL and stmtType==1 (FONT_FACE_STMT) at end of @font-face, but found currStmt=%p, stmtType=%u", - static_cast(parse_tmp.currStmt), unsigned(parse_tmp.stmtType)); - // fixme: Check whether we need to unref currStmt if non-NULL. - parse_tmp.currStmt = NULL; + + CRStatement *const font_face_rule = parse_tmp.currStmt; + if (parse_tmp.stmtType == FONT_FACE_STMT + && font_face_rule + && font_face_rule->type == AT_FONT_FACE_RULE_STMT) + { + parse_tmp.stylesheet->statements = cr_statement_append(parse_tmp.stylesheet->statements, + font_face_rule); + } else { + g_warning("Found stmtType=%u, stmt=%p, stmt.type=%u.", + unsigned(parse_tmp.stmtType), + font_face_rule, + unsigned(font_face_rule->type)); } + + std::cout << "end_font_face_cb: font face rule unsupported." << std::endl; + cr_declaration_dump (font_face_rule->kind.font_face_rule->decl_list, stdout, 2, TRUE); + printf ("\n"); + + parse_tmp.currStmt = NULL; parse_tmp.stmtType = NO_STMT; } @@ -305,26 +321,38 @@ property_cb(CRDocHandler *const a_handler, CRString *const a_name, CRTerm *const a_value, gboolean const a_important) { + // std::cout << "property_cb: Entrance: " << a_name->stryng->str << ": " << cr_term_to_string(a_value) << std::endl; g_return_if_fail(a_handler && a_name); g_return_if_fail(a_handler->app_data != NULL); ParseTmp &parse_tmp = *static_cast(a_handler->app_data); g_return_if_fail(parse_tmp.hasMagic()); - if (parse_tmp.stmtType == FONT_FACE_STMT) { - if (parse_tmp.currStmt != NULL) { - g_warning("Found non-NULL currStmt %p though stmtType==FONT_FACE_STMT.", parse_tmp.currStmt); - } - /* We currently ignore @font-face descriptors. */ - return; - } + CRStatement *const ruleset = parse_tmp.currStmt; - g_return_if_fail(ruleset - && ruleset->type == RULESET_STMT - && parse_tmp.stmtType == NORMAL_RULESET_STMT); - CRDeclaration *const decl = cr_declaration_new(ruleset, cr_string_dup(a_name), a_value); + g_return_if_fail(ruleset); + + CRDeclaration *const decl = cr_declaration_new (ruleset, cr_string_dup(a_name), a_value); g_return_if_fail(decl); decl->important = a_important; - CRStatus const append_status = cr_statement_ruleset_append_decl(ruleset, decl); - g_return_if_fail(append_status == CR_OK); + + switch (parse_tmp.stmtType) { + + case NORMAL_RULESET_STMT: { + g_return_if_fail (ruleset->type == RULESET_STMT); + CRStatus const append_status = cr_statement_ruleset_append_decl (ruleset, decl); + g_return_if_fail (append_status == CR_OK); + break; + } + case FONT_FACE_STMT: { + g_return_if_fail (ruleset->type == AT_FONT_FACE_RULE_STMT); + CRDeclaration *new_decls = cr_declaration_append (ruleset->kind.font_face_rule->decl_list, decl); + g_return_if_fail (new_decls); + ruleset->kind.font_face_rule->decl_list = new_decls; + break; + } + default: + g_warning ("property_cb: Unhandled stmtType: %u", parse_tmp.stmtType); + return; + } } CRParser* @@ -405,6 +433,7 @@ void SPStyleElem::read_content() { // If style sheet has changed, we need to cascade the entire object tree, top down // Get root, read style, loop through children update_style_recursively( (SPObject *)document->getRoot() ); + // cr_stylesheet_dump (document->style_sheet, stdout); } /** -- cgit v1.2.3 From fd52c97cdbf621ea9e869611be4d5fb9bec90ff7 Mon Sep 17 00:00:00 2001 From: Tavmjong Bah Date: Wed, 25 Oct 2017 13:53:33 +0200 Subject: Add limited support for CSS 'font-face' rule. Basically, any ttf or otf file found will be loaded but no custom matching is done nor is the 'font-family' menu updated. --- src/sp-style-elem.cpp | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 53 insertions(+), 1 deletion(-) (limited to 'src/sp-style-elem.cpp') diff --git a/src/sp-style-elem.cpp b/src/sp-style-elem.cpp index 2deaccad0..da02d4ef1 100644 --- a/src/sp-style-elem.cpp +++ b/src/sp-style-elem.cpp @@ -12,6 +12,9 @@ #include #include +// For font-rule +#include "libnrtype/FontFactory.h" + using Inkscape::XML::TEXT_NODE; SPStyleElem::SPStyleElem() : SPObject() { @@ -308,12 +311,61 @@ end_font_face_cb(CRDocHandler *a_handler) unsigned(font_face_rule->type)); } - std::cout << "end_font_face_cb: font face rule unsupported." << std::endl; + std::cout << "end_font_face_cb: font face rule limited support." << std::endl; cr_declaration_dump (font_face_rule->kind.font_face_rule->decl_list, stdout, 2, TRUE); printf ("\n"); + // Get document + SPDocument* document = parse_tmp.document; + if (!document) { + std::cerr << "end_font_face_cb: No document!" << std::endl; + return; + } + if (!document->getURI()) { + std::cerr << "end_font_face_cb: Document URI is NULL" << std::endl; + return; + } + + // Add ttf or otf fonts. + CRDeclaration const *cur = NULL; + for (cur = font_face_rule->kind.font_face_rule->decl_list; cur; cur = cur->next) { + if (cur->property && + cur->property->stryng && + cur->property->stryng->str && + strcmp(cur->property->stryng->str, "src") == 0 ) { + + if (cur->value && + cur->value->content.str && + cur->value->content.str->stryng && + cur->value->content.str->stryng->str) { + + Glib::ustring value = cur->value->content.str->stryng->str; + std::size_t found = value.find_last_of("ttf"); + + if (value.rfind("ttf") == (value.length() - 3) || + value.rfind("otf") == (value.length() - 3)) { + + // Get file + Glib::ustring ttf_file = + Inkscape::IO::Resource::get_filename (document->getURI(), value); + + if (!ttf_file.empty()) { + font_factory *factory = font_factory::Default(); + factory->AddFontFile( ttf_file.c_str() ); + std::cout << "end_font_face_cb: Added font: " << ttf_file << std::endl; + + // FIX ME: Need to refresh font list. + } else { + std::cout << "end_font_face_cb: Failed to add: " << value << std::endl; + } + } + } + } + } + parse_tmp.currStmt = NULL; parse_tmp.stmtType = NO_STMT; + } static void -- cgit v1.2.3