initial commit, 4.5 stable

modules/text_server_fb/thorvg_svg_in_ot.h

@@ -0,0 +1,96 @@
+/**************************************************************************/
+/*  thorvg_svg_in_ot.h                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#ifdef GDEXTENSION
+// Headers for building as GDExtension plug-in.
+
+#include <godot_cpp/core/mutex_lock.hpp>
+#include <godot_cpp/godot.hpp>
+#include <godot_cpp/templates/hash_map.hpp>
+
+using namespace godot;
+
+#elif defined(GODOT_MODULE)
+// Headers for building as built-in module.
+
+#include "core/os/mutex.h"
+#include "core/templates/hash_map.h"
+#include "core/typedefs.h"
+
+#include "modules/modules_enabled.gen.h" // For svg, freetype.
+#endif
+
+#ifdef MODULE_SVG_ENABLED
+#ifdef MODULE_FREETYPE_ENABLED
+
+#include <freetype/freetype.h>
+#include <freetype/otsvg.h>
+#include <ft2build.h>
+#include <thorvg.h>
+
+struct GL_State {
+	bool ready = false;
+	float x = 0;
+	float y = 0;
+	float w = 0;
+	float h = 0;
+	CharString xml_code;
+	tvg::Matrix m;
+};
+
+struct TVG_NodeCache {
+	uint64_t document_offset;
+	uint64_t body_offset;
+};
+
+struct TVG_DocumentCache {
+	String xml_body;
+	double embox_x;
+	double embox_y;
+	HashMap<int64_t, Vector<TVG_NodeCache>> node_caches;
+};
+
+struct TVG_State {
+	Mutex mutex;
+	HashMap<uint32_t, GL_State> glyph_map;
+	HashMap<FT_Byte *, TVG_DocumentCache> document_map;
+};
+
+FT_Error tvg_svg_in_ot_init(FT_Pointer *p_state);
+void tvg_svg_in_ot_free(FT_Pointer *p_state);
+FT_Error tvg_svg_in_ot_preset_slot(FT_GlyphSlot p_slot, FT_Bool p_cache, FT_Pointer *p_state);
+FT_Error tvg_svg_in_ot_render(FT_GlyphSlot p_slot, FT_Pointer *p_state);
+
+SVG_RendererHooks *get_tvg_svg_in_ot_hooks();
+
+#endif // MODULE_FREETYPE_ENABLED
+#endif // MODULE_SVG_ENABLED