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/*
* 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.
*
*/
#include "precompiled.h"
#include "../../Include/Rocket/Core/Box.h"
namespace Rocket {
namespace Core {
// Initialises a zero-sized box.
Box::Box() : content(0, 0), offset(0, 0)
{
memset(area_edges, 0, sizeof(area_edges));
}
// Initialises a box with a default content area and no padding, borders and margins.
Box::Box(const Vector2f& content) : content(content), offset(0, 0)
{
memset(area_edges, 0, sizeof(area_edges));
}
Box::~Box()
{
}
// Returns the offset of this box. This will usually be (0, 0).
const Vector2f& Box::GetOffset() const
{
return offset;
}
// Returns the top-left position of one of the areas.
Vector2f Box::GetPosition(Area area) const
{
Vector2f area_position(offset.x - area_edges[MARGIN][LEFT], offset.y - area_edges[MARGIN][TOP]);
for (int i = 0; i < area; i++)
{
area_position.x += area_edges[i][LEFT];
area_position.y += area_edges[i][TOP];
}
return area_position;
}
// Returns the size of one of the box's areas. This will include all inner areas.
Vector2f Box::GetSize(Area area) const
{
Vector2f area_size(content);
for (int i = PADDING; i >= area; i--)
{
area_size.x += (area_edges[i][LEFT] + area_edges[i][RIGHT]);
area_size.y += (area_edges[i][TOP] + area_edges[i][BOTTOM]);
}
return area_size;
}
// Sets the offset of the box, relative usually to the owning element.
void Box::SetOffset(const Vector2f& _offset)
{
offset = _offset;
}
// Sets the size of the content area.
void Box::SetContent(const Vector2f& _content)
{
content = _content;
}
// Sets the size of one of the segments of one of the box's outer areas.
void Box::SetEdge(Area area, Edge edge, float size)
{
area_edges[area][edge] = size;
}
// Returns the size of one of the area segments.
float Box::GetEdge(Area area, Edge edge) const
{
return area_edges[area][edge];
}
// Returns the cumulative size of one edge up to one of the box's areas.
float Box::GetCumulativeEdge(Area area, Edge edge) const
{
float size = 0;
int max_area = Math::Min((int) area, 2);
for (int i = 0; i <= max_area; i++)
size += area_edges[i][edge];
return size;
}
// Compares the size of the content area and the other area edges.
bool Box::operator==(const Box& rhs) const
{
return content == rhs.content && memcmp(area_edges, rhs.area_edges, sizeof(area_edges)) == 0;
}
// Compares the size of the content area and the other area edges.
bool Box::operator!=(const Box& rhs) const
{
return !(*this == rhs);
}
}
}
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