RmlUi/Source/Core/GeometryBoxShadow.h

/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019-2023 The RmlUi Team, and contributors
 *
 * 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 RMLUI_CORE_GEOMETRYBOXSHADOW_H
#define RMLUI_CORE_GEOMETRYBOXSHADOW_H

#include "../../Include/RmlUi/Core/RenderBox.h"
#include "../../Include/RmlUi/Core/Types.h"

namespace Rml {

class Geometry;
class CallbackTexture;
class RenderManager;

class GeometryBoxShadow {
public:
	/// Generate the texture and geometry for a box shadow.
	/// @param[out] out_shadow_geometry The target geometry.
	/// @param[out] out_shadow_texture The target texture, assumes pointer stability during the lifetime of the shadow geometry.
	/// @param[in] render_manager The render manager to generate the shadow for.
	/// @param[in] element The element to generate the shadow for.
	/// @param[in] background_border_geometry The geometry of the background and border, assumed to already have been generated. Assumes pointer
	/// stability during the lifetime of the shadow geometry.
	/// @param[in] shadow_list The list of box-shadows to generate.
	/// @param[in] border_radius The border radius of the element.
	/// @param[in] opacity The opacity of the element.
	static void Generate(Geometry& out_shadow_geometry, CallbackTexture& out_shadow_texture, RenderManager& render_manager, Element* element,
		Geometry& background_border_geometry, BoxShadowList shadow_list, CornerSizes border_radius, float opacity);
};

} // namespace Rml
#endif