godot/modules/text_server_adv/thorvg_bounds_iterator.cpp

71 lines
3.1 KiB
C++

/*************************************************************************/
/* thorvg_bounds_iterator.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#ifdef GDEXTENSION
// Headers for building as GDExtension plug-in.
#include <godot_cpp/godot.hpp>
using namespace godot;
#else
// Headers for building as built-in module.
#include "core/typedefs.h"
#include "modules/modules_enabled.gen.h" // For svg.
#endif
#ifdef MODULE_SVG_ENABLED
#include "thorvg_bounds_iterator.h"
#include <tvgIteratorAccessor.h>
#include <tvgPaint.h>
// This function uses private ThorVG API to get bounding box of top level children elements.
void tvg_get_bounds(tvg::Picture *p_picture, float &r_min_x, float &r_min_y, float &r_max_x, float &r_max_y) {
tvg::IteratorAccessor itrAccessor;
if (tvg::Iterator *it = itrAccessor.iterator(p_picture)) {
while (const tvg::Paint *child = it->next()) {
float x = 0, y = 0, w = 0, h = 0;
child->bounds(&x, &y, &w, &h, true);
r_min_x = MIN(x, r_min_x);
r_min_y = MIN(y, r_min_y);
r_max_x = MAX(x + w, r_max_x);
r_max_y = MAX(y + h, r_max_y);
}
delete (it);
}
}
#endif // MODULE_SVG_ENABLED