/******************************************************************************

 *

 * Project:  WMS Client Driver

 * Purpose:  Mini driver for Internet Imaging Protocol (IIP)

 * Author:   Even Rouault <even.rouault at spatialys.com>

 *

 ******************************************************************************

 * Copyright (c) 2015, Even Rouault <even.rouault at spatialys.com>

 *

 * SPDX-License-Identifier: MIT

 ****************************************************************************/

#include "wmsdriver.h"

#include "minidriver_iip.h"

WMSMiniDriver_IIP::WMSMiniDriver_IIP()

{

}

WMSMiniDriver_IIP::~WMSMiniDriver_IIP()

{

}

CPLErr WMSMiniDriver_IIP::Initialize(CPLXMLNode *config,

                                     CPL_UNUSED char **papszOpenOptions)

{

    CPLErr ret = CE_None;

    m_base_url = CPLGetXMLValue(config, "ServerURL", "");

    if (m_base_url.empty())

    {

        CPLError(CE_Failure, CPLE_AppDefined,

                 "GDALWMS, IIP mini-driver: ServerURL missing.");

        return CE_Failure;

    }

    return ret;

}

void WMSMiniDriver_IIP::GetCapabilities(WMSMiniDriverCapabilities *caps)

{

    caps->m_overview_dim_computation_method = OVERVIEW_FLOOR;

    caps->m_has_geotransform = false;

}

CPLErr

WMSMiniDriver_IIP::TiledImageRequest(WMSHTTPRequest &request,

                                     const GDALWMSImageRequestInfo & /* iri */,

                                     const GDALWMSTiledImageRequestInfo &tiri)

{

    CPLString &url = request.URL;

    url = m_base_url;

    URLPrepare(url);

    int nTileXCount =

        ((m_parent_dataset->GetRasterXSize() >>

          (m_parent_dataset->GetRasterBand(1)->GetOverviewCount() -

           tiri.m_level)) +

         255) /

        256;

    int numTile = tiri.m_x + tiri.m_y * nTileXCount;

    url += CPLOPrintf("jtl=%d,%d", tiri.m_level, numTile);

    return CE_None;

}