81 строка
2.8 KiB
C++
81 строка
2.8 KiB
C++
/******************************************************************************
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*
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* Project: WMS Client Driver
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* Purpose: Mini driver for Internet Imaging Protocol (IIP)
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* Author: Even Rouault <even.rouault at spatialys.com>
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*
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******************************************************************************
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* Copyright (c) 2015, Even Rouault <even.rouault at spatialys.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#include "wmsdriver.h"
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#include "minidriver_iip.h"
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WMSMiniDriver_IIP::WMSMiniDriver_IIP()
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{
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}
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WMSMiniDriver_IIP::~WMSMiniDriver_IIP()
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{
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}
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CPLErr WMSMiniDriver_IIP::Initialize(CPLXMLNode *config,
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CPL_UNUSED char **papszOpenOptions)
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{
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CPLErr ret = CE_None;
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m_base_url = CPLGetXMLValue(config, "ServerURL", "");
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if (m_base_url.empty())
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{
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CPLError(CE_Failure, CPLE_AppDefined,
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"GDALWMS, IIP mini-driver: ServerURL missing.");
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return CE_Failure;
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}
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return ret;
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}
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void WMSMiniDriver_IIP::GetCapabilities(WMSMiniDriverCapabilities *caps)
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{
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caps->m_overview_dim_computation_method = OVERVIEW_FLOOR;
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caps->m_has_geotransform = false;
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}
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CPLErr
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WMSMiniDriver_IIP::TiledImageRequest(WMSHTTPRequest &request,
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const GDALWMSImageRequestInfo & /* iri */,
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const GDALWMSTiledImageRequestInfo &tiri)
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{
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CPLString &url = request.URL;
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url = m_base_url;
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URLPrepare(url);
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int nTileXCount =
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((m_parent_dataset->GetRasterXSize() >>
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(m_parent_dataset->GetRasterBand(1)->GetOverviewCount() -
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tiri.m_level)) +
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255) /
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256;
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int numTile = tiri.m_x + tiri.m_y * nTileXCount;
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url += CPLOPrintf("jtl=%d,%d", tiri.m_level, numTile);
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return CE_None;
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}
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