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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/Decorator.h"
#include "TextureDatabase.h"
#include "TextureResource.h"
#include "../../Include/Rocket/Core/DecoratorInstancer.h"
#include "../../Include/Rocket/Core/PropertyDefinition.h"
namespace Rocket {
namespace Core {
Decorator::Decorator()
{
instancer = NULL;
z_index = 0;
specificity = -1;
}
Decorator::~Decorator()
{
}
// Sets the z-index of the decorator.
void Decorator::SetZIndex(float _z_index)
{
z_index = _z_index;
}
// Returns the decorator's z-index.
float Decorator::GetZIndex() const
{
return z_index;
}
// Sets the specificity of the decorator.
void Decorator::SetSpecificity(int _specificity)
{
specificity = _specificity;
}
// Returns the specificity of the decorator.
int Decorator::GetSpecificity() const
{
return specificity;
}
// Releases the decorator through its instancer.
void Decorator::OnReferenceDeactivate()
{
if (instancer != NULL)
instancer->ReleaseDecorator(this);
}
// Attempts to load a texture into the list of textures in use by the decorator.
int Decorator::LoadTexture(const String& texture_name, const String& rcss_path)
{
for (size_t i = 0; i < textures.size(); i++)
{
if (texture_name == textures[i].GetSource())
return (int) i;
}
Texture texture;
if (!texture.Load(texture_name, rcss_path))
return -1;
textures.push_back(texture);
return (int) textures.size() - 1;
}
// Returns one of the decorator's previously loaded textures.
const Texture* Decorator::GetTexture(int index) const
{
if (index < 0 || index >= (int) textures.size())
return NULL;
return &(textures[index]);
}
// Returns the floating-point value of a numerical property from a dictionary of properties.
float Decorator::ResolveProperty(const PropertyDictionary& properties, const String& name, float base_value) const
{
const Property* property = properties.GetProperty(name);
if (property == NULL)
{
ROCKET_ERROR;
return 0;
}
// Need to include em!
if (property->unit & Property::RELATIVE_UNIT)
return base_value * property->value.Get< float >() * 0.01f;
if (property->unit & Property::NUMBER || property->unit & Property::PX)
return property->value.Get< float >();
// Values based on pixels-per-inch.
if (property->unit & Property::PPI_UNIT)
{
float inch = property->value.Get< float >() * GetRenderInterface()->GetPixelsPerInch();
if (property->unit & Property::INCH) // inch
return inch;
if (property->unit & Property::CM) // centimeter
return inch / 2.54f;
if (property->unit & Property::MM) // millimeter
return inch / 25.4f;
if (property->unit & Property::PT) // point
return inch / 72.0f;
if (property->unit & Property::PC) // pica
return inch / 6.0f;
}
ROCKET_ERROR;
return 0;
}
}
}
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