Implement SVG in OT support.

1 files changed, 86 insertions, 0 deletions

diff --git a/modules/text_server_adv/thorvg_svg_in_ot.h b/modules/text_server_adv/thorvg_svg_in_ot.h
new file mode 100644
index 0000000000..b2816193d9
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+++ b/modules/text_server_adv/thorvg_svg_in_ot.h
@@ -0,0 +1,86 @@
+/*************************************************************************/
+/*  thorvg_svg_in_ot.h                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* 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.                */
+/*************************************************************************/
+
+#ifndef THORVG_SVG_IN_OT_H
+#define THORVG_SVG_IN_OT_H
+
+#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;
+
+#else
+// 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.
+#endif
+
+#ifdef MODULE_SVG_ENABLED
+
+#include <freetype/freetype.h>
+#include <freetype/otsvg.h>
+#include <ft2build.h>
+#include <thorvg.h>
+
+struct GL_State {
+	bool ready = false;
+	float bmp_x = 0;
+	float bmp_y = 0;
+	float x = 0;
+	float y = 0;
+	float w = 0;
+	float h = 0;
+	String xml_code;
+	tvg::Matrix m;
+};
+
+struct TVG_State {
+	Mutex mutex;
+	HashMap<uint32_t, GL_State> glyph_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_SVG_ENABLED
+
+#endif // THORVG_SVG_IN_OT_H