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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 "DecoratorTiledHorizontal.h"
#include "../../Include/Rocket/Core/Element.h"
#include "../../Include/Rocket/Core/Geometry.h"
#include "../../Include/Rocket/Core/Texture.h"
namespace Rocket {
namespace Core {
struct DecoratorTiledHorizontalData
{
DecoratorTiledHorizontalData(Element* host_element)
{
for (int i = 0; i < 3; ++i)
geometry[i] = new Geometry(host_element);
}
~DecoratorTiledHorizontalData()
{
for (int i = 0; i < 3; ++i)
delete geometry[i];
}
Geometry* geometry[3];
};
DecoratorTiledHorizontal::DecoratorTiledHorizontal()
{
}
DecoratorTiledHorizontal::~DecoratorTiledHorizontal()
{
}
// Initialises the tiles for the decorator.
bool DecoratorTiledHorizontal::Initialise(const Tile* _tiles, const String* _texture_names, const String* _rcss_paths)
{
// Load the textures.
for (int i = 0; i < 3; i++)
{
if (!_texture_names[i].Empty())
{
tiles[i] = _tiles[i];
tiles[i].texture_index = LoadTexture(_texture_names[i], _rcss_paths[i]);
if (tiles[i].texture_index < 0)
return false;
}
else
tiles[i].texture_index = -1;
}
// If only one side of the decorator has been configured, then mirror the texture for the other side.
if (tiles[LEFT].texture_index == -1 && tiles[RIGHT].texture_index > -1)
{
tiles[LEFT] = tiles[RIGHT];
tiles[LEFT].orientation = FLIP_HORIZONTAL;
}
else if (tiles[RIGHT].texture_index == -1 && tiles[LEFT].texture_index > -1)
{
tiles[RIGHT] = tiles[LEFT];
tiles[RIGHT].orientation = FLIP_HORIZONTAL;
}
else if (tiles[LEFT].texture_index == -1 && tiles[RIGHT].texture_index == -1)
return false;
if (tiles[CENTRE].texture_index == -1)
return false;
return true;
}
// Called on a decorator to generate any required per-element data for a newly decorated element.
DecoratorDataHandle DecoratorTiledHorizontal::GenerateElementData(Element* element)
{
// Initialise the tiles for this element.
for (int i = 0; i < 3; i++)
tiles[i].CalculateDimensions(element, *(GetTexture(tiles[i].texture_index)));
DecoratorTiledHorizontalData* data = new DecoratorTiledHorizontalData(element);
Vector2f padded_size = element->GetBox().GetSize(Box::PADDING);
Vector2f left_dimensions = tiles[LEFT].GetDimensions(element);
Vector2f right_dimensions = tiles[RIGHT].GetDimensions(element);
Vector2f centre_dimensions = tiles[CENTRE].GetDimensions(element);
// Scale the tile sizes by the height scale.
ScaleTileDimensions(left_dimensions, padded_size.y, 1);
ScaleTileDimensions(right_dimensions, padded_size.y, 1);
ScaleTileDimensions(centre_dimensions, padded_size.y, 1);
// Shrink the x-sizes on the left and right tiles if necessary.
if (padded_size.x < left_dimensions.x + right_dimensions.x)
{
float minimum_width = left_dimensions.x + right_dimensions.x;
left_dimensions.x = padded_size.x * (left_dimensions.x / minimum_width);
right_dimensions.x = padded_size.x * (right_dimensions.x / minimum_width);
}
// Generate the geometry for the left tile.
tiles[LEFT].GenerateGeometry(data->geometry[tiles[LEFT].texture_index]->GetVertices(), data->geometry[tiles[LEFT].texture_index]->GetIndices(), element, Vector2f(0, 0), left_dimensions, left_dimensions);
// Generate the geometry for the centre tiles.
tiles[CENTRE].GenerateGeometry(data->geometry[tiles[CENTRE].texture_index]->GetVertices(), data->geometry[tiles[CENTRE].texture_index]->GetIndices(), element, Vector2f(left_dimensions.x, 0), Vector2f(padded_size.x - (left_dimensions.x + right_dimensions.x), centre_dimensions.y), centre_dimensions);
// Generate the geometry for the right tile.
tiles[RIGHT].GenerateGeometry(data->geometry[tiles[RIGHT].texture_index]->GetVertices(), data->geometry[tiles[RIGHT].texture_index]->GetIndices(), element, Vector2f(padded_size.x - right_dimensions.x, 0), right_dimensions, right_dimensions);
// Set the textures on the geometry.
const Texture* texture = NULL;
int texture_index = 0;
while ((texture = GetTexture(texture_index)) != NULL)
data->geometry[texture_index++]->SetTexture(texture);
return reinterpret_cast<DecoratorDataHandle>(data);
}
// Called to release element data generated by this decorator.
void DecoratorTiledHorizontal::ReleaseElementData(DecoratorDataHandle element_data)
{
delete reinterpret_cast< DecoratorTiledHorizontalData* >(element_data);
}
// Called to render the decorator on an element.
void DecoratorTiledHorizontal::RenderElement(Element* element, DecoratorDataHandle element_data)
{
Vector2f translation = element->GetAbsoluteOffset(Box::PADDING);
DecoratorTiledHorizontalData* data = reinterpret_cast< DecoratorTiledHorizontalData* >(element_data);
for (int i = 0; i < 3; i++)
data->geometry[i]->Render(translation);
}
}
}
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