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Basically, when we first encounter the document, we parse it as before, but we also note the offsets of other glyphs and store the remaining XML. The next time we see another glyph, we can simply parse that glyph node and insert it back into the stored XML.
100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
/**************************************************************************/
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/* thorvg_svg_in_ot.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef THORVG_SVG_IN_OT_H
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#define THORVG_SVG_IN_OT_H
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#ifdef GDEXTENSION
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// Headers for building as GDExtension plug-in.
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#include <godot_cpp/core/mutex_lock.hpp>
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#include <godot_cpp/godot.hpp>
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#include <godot_cpp/templates/hash_map.hpp>
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using namespace godot;
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#elif defined(GODOT_MODULE)
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// Headers for building as built-in module.
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#include "core/os/mutex.h"
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#include "core/templates/hash_map.h"
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#include "core/typedefs.h"
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#include "modules/modules_enabled.gen.h" // For svg, freetype.
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#endif
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#ifdef MODULE_SVG_ENABLED
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#ifdef MODULE_FREETYPE_ENABLED
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#include <freetype/freetype.h>
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#include <freetype/otsvg.h>
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#include <ft2build.h>
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#include <thorvg.h>
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struct GL_State {
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bool ready = false;
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float x = 0;
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float y = 0;
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float w = 0;
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float h = 0;
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CharString xml_code;
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tvg::Matrix m;
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};
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struct TVG_NodeCache {
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uint64_t document_offset;
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uint64_t body_offset;
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};
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struct TVG_DocumentCache {
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String xml_body;
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double embox_x;
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double embox_y;
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HashMap<int64_t, Vector<TVG_NodeCache>> node_caches;
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};
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struct TVG_State {
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Mutex mutex;
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HashMap<uint32_t, GL_State> glyph_map;
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HashMap<FT_Byte *, TVG_DocumentCache> document_map;
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};
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FT_Error tvg_svg_in_ot_init(FT_Pointer *p_state);
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void tvg_svg_in_ot_free(FT_Pointer *p_state);
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FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Pointer *p_state);
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FT_Error tvg_svg_in_ot_render(FT_GlyphSlot p_slot, FT_Pointer *p_state);
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SVG_RendererHooks *get_tvg_svg_in_ot_hooks();
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#endif // MODULE_FREETYPE_ENABLED
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#endif // MODULE_SVG_ENABLED
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#endif // THORVG_SVG_IN_OT_H
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