/*
 * @file VecMap.cpp
 * @author Robert Borzecki (robert.borzecki@mudita.com)
 * @date 6 cze 2019
 * @brief
 * @copyright Copyright (C) 2019 mudita.com
 * @details
 */
#include <string.h>
#include "VecMap.hpp"

namespace gui {

VecMap::VecMap() {
	width = 0;
	height = 0;
	name = "";

	type = Type::VECMAP;
}

VecMap::VecMap( uint16_t w, uint16_t h, uint8_t* data ) :
	ImageMap( w, h, data ) {

	//add empty vectors for all rows
	this->data = new uint8_t[height];
	type = Type::VECMAP;

	//no data provided - allocat buffer and clear it with white color
	if( data == nullptr ) {
		if( this->data )
			memset( this->data, 0x00, height );
	}
}

VecMap::~VecMap() {
	if( data )
		delete []data;
}

gui::Status VecMap::load( uint8_t* data, uint32_t size ) {

	uint32_t offset = 0;

	//read width and height of the image
	memcpy( &width, data + offset, sizeof(uint16_t)); offset += sizeof(uint16_t);
	memcpy( &height, data + offset, sizeof(uint16_t)); offset += sizeof(uint16_t);
	memcpy( &alphaColor, data + offset, sizeof(uint8_t)); offset += sizeof(uint8_t);

	this->data = new uint8_t[size - 2*sizeof(uint16_t) - sizeof(uint8_t)];
	if( this->data )
		memcpy( this->data, data + offset, size - 2*sizeof(uint16_t) - sizeof(uint8_t));

	return gui::Status::GUI_SUCCESS;
}

} /* namespace gui */