From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- gfx/graphite2/src/gr_slot.cpp | 173 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 gfx/graphite2/src/gr_slot.cpp (limited to 'gfx/graphite2/src/gr_slot.cpp') diff --git a/gfx/graphite2/src/gr_slot.cpp b/gfx/graphite2/src/gr_slot.cpp new file mode 100644 index 0000000000..a3c6b46a7f --- /dev/null +++ b/gfx/graphite2/src/gr_slot.cpp @@ -0,0 +1,173 @@ +/* GRAPHITE2 LICENSING + + Copyright 2010, SIL International + All rights reserved. + + This library is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of 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 + Lesser General Public License for more details. + + You should also have received a copy of the GNU Lesser General Public + License along with this library in the file named "LICENSE". + If not, write to the Free Software Foundation, 51 Franklin Street, + Suite 500, Boston, MA 02110-1335, USA or visit their web page on the + internet at http://www.fsf.org/licenses/lgpl.html. + +Alternatively, the contents of this file may be used under the terms of the +Mozilla Public License (http://mozilla.org/MPL) or 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. +*/ +#include "graphite2/Segment.h" +#include "inc/Segment.h" +#include "inc/Slot.h" +#include "inc/Font.h" + + +extern "C" { + + +const gr_slot* gr_slot_next_in_segment(const gr_slot* p/*not NULL*/) +{ + assert(p); + return static_cast(p->next()); +} + +const gr_slot* gr_slot_prev_in_segment(const gr_slot* p/*not NULL*/) +{ + assert(p); + return static_cast(p->prev()); +} + +const gr_slot* gr_slot_attached_to(const gr_slot* p/*not NULL*/) //returns NULL iff base. If called repeatedly on result, will get to a base +{ + assert(p); + return static_cast(p->attachedTo()); +} + + +const gr_slot* gr_slot_first_attachment(const gr_slot* p/*not NULL*/) //returns NULL iff no attachments. +{ //if slot_first_attachment(p) is not NULL, then slot_attached_to(slot_first_attachment(p))==p. + assert(p); + return static_cast(p->firstChild()); +} + + +const gr_slot* gr_slot_next_sibling_attachment(const gr_slot* p/*not NULL*/) //returns NULL iff no more attachments. +{ //if slot_next_sibling_attachment(p) is not NULL, then slot_attached_to(slot_next_sibling_attachment(p))==slot_attached_to(p). + assert(p); + return static_cast(p->nextSibling()); +} + + +unsigned short gr_slot_gid(const gr_slot* p/*not NULL*/) +{ + assert(p); + return p->glyph(); +} + + +float gr_slot_origin_X(const gr_slot* p/*not NULL*/) +{ + assert(p); + return p->origin().x; +} + + +float gr_slot_origin_Y(const gr_slot* p/*not NULL*/) +{ + assert(p); + return p->origin().y; +} + + +float gr_slot_advance_X(const gr_slot* p/*not NULL*/, const gr_face *face, const gr_font *font) +{ + assert(p); + float scale = 1.0; + float res = p->advance(); + if (font) + { + scale = font->scale(); + int gid = p->glyph(); + if (face && font->isHinted() && gid < face->glyphs().numGlyphs()) + res = (res - face->glyphs().glyph(gid)->theAdvance().x) * scale + font->advance(gid); + else + res = res * scale; + } + return res; +} + +float gr_slot_advance_Y(const gr_slot *p/*not NULL*/, GR_MAYBE_UNUSED const gr_face *face, const gr_font *font) +{ + assert(p); + float res = p->advancePos().y; + if (font) + return res * font->scale(); + else + return res; +} + +int gr_slot_before(const gr_slot* p/*not NULL*/) +{ + assert(p); + return p->before(); +} + + +int gr_slot_after(const gr_slot* p/*not NULL*/) +{ + assert(p); + return p->after(); +} + +unsigned int gr_slot_index(const gr_slot *p/*not NULL*/) +{ + assert(p); + return p->index(); +} + +int gr_slot_attr(const gr_slot* p/*not NULL*/, const gr_segment* pSeg/*not NULL*/, gr_attrCode index, gr_uint8 subindex) +{ + assert(p); + return p->getAttr(pSeg, index, subindex); +} + + +int gr_slot_can_insert_before(const gr_slot* p/*not NULL*/) +{ + assert(p); + return (p->isInsertBefore())? 1 : 0; +} + + +int gr_slot_original(const gr_slot* p/*not NULL*/) +{ + assert(p); + return p->original(); +} + +void gr_slot_linebreak_before(gr_slot* p/*not NULL*/) +{ + assert(p); + gr_slot *prev = (gr_slot *)p->prev(); + prev->sibling(NULL); + prev->next(NULL); + p->prev(NULL); +} + +#if 0 //what should this be +size_t id(const gr_slot* p/*not NULL*/) +{ + return (size_t)p->id(); +} +#endif + + +} // extern "C" -- cgit v1.2.3