//
// C++ Implementation: EntityCEGUITexture
//
// Description:
//
//
// Author: Erik Ogenvik <erik@ogenvik.org>, (C) 2005
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.//
//
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "EntityCEGUITexture.h"
#include <CEGUI/WindowManager.h>
#include <CEGUI/ImageManager.h>
#include <CEGUI/Renderer.h>
#include <CEGUI/BasicImage.h>
#include <CEGUI/Texture.h>

#include "../EmberOgre.h"
#include "../GUIManager.h"
#include "../model/Model.h"
#include "../SimpleRenderContext.h"


namespace Ember {
namespace OgreView {
namespace Gui {


EntityCEGUITexture::EntityCEGUITexture(const std::string& imageSetName, int width, int height)
		: mImage(nullptr),
		  mWidth(width),
		  mHeight(height),
		  mRenderContext(std::make_unique<SimpleRenderContext>(imageSetName, width, height)),
		  mCeguiTexture(nullptr) {
	createImage(imageSetName);
}

EntityCEGUITexture::~EntityCEGUITexture() {
	CEGUI::ImageManager::getSingleton().destroy(*mImage);
	GUIManager::getSingleton().getGuiRenderer()->destroyTexture(*mCeguiTexture);
}


const CEGUI::Image* EntityCEGUITexture::getImage() const {
	return mImage;
}

void EntityCEGUITexture::createImage(const std::string& imageSetName) {
	//create a CEGUI texture from our Ogre texture
	S_LOG_VERBOSE("Creating new CEGUI texture from Ogre texture.");
	Ogre::TexturePtr texturePtr(mRenderContext->getTexture());
	mCeguiTexture = &GUIManager::getSingleton().createTexture(texturePtr);

//	//we need a imageset in order to create GUI elements from the ceguiTexture
//	S_LOG_VERBOSE("Creating new CEGUI imageset with name " << imageSetName + "_EntityCEGUITextureImageset");
	mImage = &CEGUI::ImageManager::getSingleton().create("BasicImage", imageSetName + "_EntityCEGUITextureImageset");
	auto* basicImage = static_cast<CEGUI::BasicImage*>(mImage);
	basicImage->setTexture(mCeguiTexture);
	basicImage->setArea(CEGUI::Rectf(0, 0, mCeguiTexture->getSize().d_width, mCeguiTexture->getSize().d_height));
	basicImage->setNativeResolution(mCeguiTexture->getSize());
	basicImage->setAutoScaled(CEGUI::ASM_Both);


//	int width = 1;
//	int height = 1;
//	if (texturePtr) {
//		width = texturePtr->getWidth();
//		height = texturePtr->getHeight();
//	}

//	//we only want one element: the whole texture
//	//the width and height of the texture differs from the supplied width of this instance since it will have been adjusted to a power-of-two size
//	mImageSet->defineImage("full_image", CEGUI::Rect<>(0, 0, width, height), CEGUI::Point(0,0));
//
//	//assign our image element to the StaticImage widget
//	mImage = &mImageSet->getImage("full_image");

}


SimpleRenderContext* EntityCEGUITexture::getRenderContext() {
	return mRenderContext.get();
}


}
}
}
