RmlUi/Source/Core/ComputeProperty.h

/*
 * This source file is part of libRocket, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://www.librocket.com
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 *
 * 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 ROCKETCORECOMPUTEPROPERTY_H
#define ROCKETCORECOMPUTEPROPERTY_H

namespace Rocket {
namespace Core {


// Note that percentages are not lengths! They have to be resolved elsewhere.
float ComputeLength(const Property* property, float font_size, float document_font_size, float dp_ratio);

float ComputeAbsoluteLength(const Property& property, float dp_ratio);

float ComputeFontsize(const Property& property, const Style::ComputedValues& values, const Style::ComputedValues* parent_values, const Style::ComputedValues* document_values, float dp_ratio);

Style::Clip ComputeClip(const Property* property);

Style::LineHeight ComputeLineHeight(const Property* property, float font_size, float document_font_size, float dp_ratio);

Style::VerticalAlign ComputeVerticalAlign(const Property* property, float line_height, float font_size, float document_font_size, float dp_ratio);

Style::LengthPercentage ComputeLengthPercentage(const Property* property, float font_size, float document_font_size, float dp_ratio);

Style::LengthPercentageAuto ComputeLengthPercentageAuto(const Property* property, float font_size, float document_font_size, float dp_ratio);

Style::LengthPercentage ComputeOrigin(const Property* property, float font_size, float document_font_size, float dp_ratio);

extern const Style::ComputedValues DefaultComputedValues;

}
}

#endif