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-/**************************************************************************
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-* file: dmpesribundlev2provider.cpp
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-
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-* Author: wanzhongping
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-* Date: 2021-06-02 11:29:16
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-* Email: zhongpingw@chinadci.com
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-* copyright: 广州城市信息研究所有限公司
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-***************************************************************************/
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-#include "dmpesribundlev2provider.h"
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-#include "dmpesribundlev1provider.h"
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-#include "dmptileproviderfactory.h"
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-#include "dmpwmtsutils.h"
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-#include <cairo/cairo.h>
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-#include "dmptilelayer.h"
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-
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-namespace tileserver
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-{
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- DmpEsriBundleV2Provider::DmpEsriBundleV2Provider(const std::string& rootPath)
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- : DmpAbstractEsriBundleProvider(rootPath)
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- {
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- //rootPath_ ="/mnt/d/Code/tiles/SDYX_WEIP_2021_M07_FS2K/Layers/_alllayers";
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- }
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- void DmpEsriBundleV2Provider::WriteTile(const int row, const int col, const int level, const std::string& format, DmpServerResponse& response)
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- {
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- int packSize = _packetSize;
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- int rGroup = (int)row/packSize;
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- rGroup = rGroup * packSize;
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- int cGroup = (int)col/packSize;
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- cGroup = cGroup*packSize;
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-
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- std::string bundleBase = GetBundlePath(level,rGroup,cGroup);
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- std::string bundleFilePath = bundleBase + ".bundle";
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-
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- int index = packSize * (row - rGroup) + (col - cGroup);
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-
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- //读取bundle文件,计算偏移量
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- std::ifstream fread(bundleFilePath, std::ifstream::binary);
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- if(!fread)
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- {
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- response.sendError(500, "找不到瓦片:(");
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- }
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- fread.seekg(64 + 8 * index, fread.beg);
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- char* buffer = new char[4];
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- fread.read(buffer,4);
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- long offset = (long)(buffer[0]&0xff)
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- + (long)(buffer[1]&0xff) * 256
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- + (long)(buffer[2]&0xff) * 65536
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- + (long)(buffer[3]&0xff) * 16777216
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- -4;
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- delete [] buffer;
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-
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- //读取bundle文件获取切片
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- fread.seekg(offset, fread.beg);
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- char* buff = new char[4];
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- fread.read(buff, 4);
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- long len = (long)(buff[0]&0xff)
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- + (long)(buff[1]&0xff) * 256
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- + (long)(buff[2]&0xff) * 65536
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- + (long)(buff[3]&0xff) * 16777216;
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- delete[] buff;
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- char* imgBuffer = new char[len];
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- fread.read(imgBuffer, len);
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- fread.close();
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- if(len > 0)
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- {
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- response.removeHeader("Content-Type");
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- std::string f = (format == "jpg") ? "image/jpg" : "image/png";
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- response.setHeader("Content-Type", f);
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- response.writeContent(imgBuffer, len);
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- }
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- else
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- {
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- response.sendError(500, "找不到瓦片:(");
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- }
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- delete[] imgBuffer;
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- }
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- void DmpEsriBundleV2Provider::GetTileThumbnail(DmpTileLayer* dmpTileLayer,DmpServerResponse& response)
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- {
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- std::string tilePath=dmpTileLayer->getDataSource();
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- DmpRectangle rectangle=dmpTileLayer->extent();
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- std::string format=dmpTileLayer->getFormat();
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- // std::string lowerPoint=std::to_string(rectangle.xmin())+" "+std::to_string(rectangle.ymin());
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- // std::string upperPoint=std::to_string(rectangle.xmax())+" "+std::to_string(rectangle.ymax());
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- DmpPoint min=DmpPoint(rectangle.xmin(),rectangle.ymin());
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- DmpPoint max=DmpPoint(rectangle.xmax(),rectangle.ymax());
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- std::vector<DmpTileMatrixSet*> tileMatrixSets;
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- dmpTileLayer->getTileMatrixSets(tileMatrixSets);
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- double resolution;
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- DmpPoint origin;
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- int iLevel,xMinTile,yMinTile, xMaxTile, yMaxTile,buffLen;
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- if(!TileProviderFactory::GetTileScale(dmpTileLayer,iLevel,xMinTile,yMinTile, xMaxTile, yMaxTile))
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- {
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- response.sendError(500, "缩略图范围错误:(");
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- return;
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- }
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-
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- int imageLen=0;
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- int heigth=abs(yMaxTile-yMinTile);
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- int width=abs(xMaxTile-xMinTile);
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- cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 256*(width+1), 256*(heigth+1));
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- cairo_t *cr =cairo_create (surface);
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- for( int i = 0 ; i <= width ; i++ )
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- {
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- for(int j=0;j<=heigth;j++)
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- {
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- std::string strBuff;
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- GetTile(yMaxTile+j,xMinTile+i,iLevel,strBuff,buffLen);
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-
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- const char* buff=strBuff.c_str();
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- st_png_data pngData = {(unsigned char*)buff, 0};
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- cairo_surface_t *image = cairo_image_surface_create_from_png_stream(cairo_read_func,&pngData);
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- TileProviderFactory::BufferCopy(image,surface,cr,i*256,j*256);
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- //cairo_surface_write_to_png (surface, "./wmts.png");
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- }
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- }
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- std::string responseData;
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- cairo_surface_write_to_png_stream(surface, TileProviderFactory::cairo_write_func, &responseData);
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-
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- response.removeHeader("Content-Type");
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- std::string f = (format == "jpg") ? "image/jpg" : "image/png";
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- response.setHeader("Content-Type", f);
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- response.write(responseData);
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- //response.writeContent(&responseData,imageLen);
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- cairo_destroy (cr);
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- cairo_surface_destroy (surface);
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- }
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- bool DmpEsriBundleV2Provider::GetTile(int row, int col, int level,std::string& refbuff,int& length )
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- {
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- int packSize = _packetSize;
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- int rGroup = (int)row/packSize;
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- rGroup = rGroup * packSize;
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- int cGroup = (int)col/packSize;
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- cGroup = cGroup*packSize;
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-
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- std::string bundleBase = GetBundlePath(level,rGroup,cGroup);
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- std::string bundleFilePath = bundleBase + ".bundle";
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-
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- int index = packSize * (row - rGroup) + (col - cGroup);
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-
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- //读取bundle文件,计算偏移量
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- std::ifstream fread(bundleFilePath, std::ifstream::binary);
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- if(!fread)
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- {
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- return false;
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- }
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- fread.seekg(64 + 8 * index, fread.beg);
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- char* buffer = new char[4];
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- fread.read(buffer,4);
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- long offset = (long)(buffer[0]&0xff)
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- + (long)(buffer[1]&0xff) * 256
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- + (long)(buffer[2]&0xff) * 65536
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- + (long)(buffer[3]&0xff) * 16777216
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- -4;
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- delete [] buffer;
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-
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- //读取bundle文件获取切片
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- fread.seekg(offset, fread.beg);
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- char* buff = new char[4];
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- fread.read(buff, 4);
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- long len = (long)(buff[0]&0xff)
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- + (long)(buff[1]&0xff) * 256
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- + (long)(buff[2]&0xff) * 65536
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- + (long)(buff[3]&0xff) * 16777216;
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- delete[] buff;
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-
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- char* imgBuffer = new char[len];
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- fread.read(imgBuffer, len);
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- fread.close();
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- if(len > 0)
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- {
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- refbuff.append(imgBuffer,len);
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- }
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173
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-
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174
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- delete[] imgBuffer;
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- return true;
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- }
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177
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- cairo_status_t DmpEsriBundleV2Provider::cairo_read_func (void *closure, unsigned char *data, unsigned int length)
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- {
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179
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- st_png_data* pPngData = (st_png_data*)closure;
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- memcpy(data, pPngData->pdata + pPngData->length, length);
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- pPngData->length += length;
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- return CAIRO_STATUS_SUCCESS;
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183
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- }
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1
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+/**************************************************************************
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2
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+* file: dmpesribundlev2provider.cpp
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3
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+
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4
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+* Author: wanzhongping
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5
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+* Date: 2021-06-02 11:29:16
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6
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+* Email: zhongpingw@chinadci.com
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7
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+* copyright: 广州城市信息研究所有限公司
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8
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+***************************************************************************/
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9
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+#include "dmpesribundlev2provider.h"
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10
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+#include "dmpesribundlev1provider.h"
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11
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+#include "dmptileproviderfactory.h"
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12
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+#include "dmpwmtsutils.h"
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13
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+#include <cairo/cairo.h>
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14
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+#include "dmptilelayer.h"
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15
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+
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16
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+namespace tileserver
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17
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+{
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18
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+ DmpEsriBundleV2Provider::DmpEsriBundleV2Provider(const std::string& rootPath)
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19
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+ : DmpAbstractEsriBundleProvider(rootPath)
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20
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+ {
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21
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+ //rootPath_ ="/mnt/d/Code/tiles/SDYX_WEIP_2021_M07_FS2K/Layers/_alllayers";
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22
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+ }
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23
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+ void DmpEsriBundleV2Provider::WriteTile(const int row, const int col, const int level, const std::string& format, DmpServerResponse& response)
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24
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+ {
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25
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+ int packSize = _packetSize;
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26
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+ int rGroup = (int)row/packSize;
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27
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+ rGroup = rGroup * packSize;
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28
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+ int cGroup = (int)col/packSize;
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29
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+ cGroup = cGroup*packSize;
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30
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+
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31
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+ std::string bundleBase = GetBundlePath(level,rGroup,cGroup);
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32
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+ std::string bundleFilePath = bundleBase + ".bundle";
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33
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+
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34
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+ int index = packSize * (row - rGroup) + (col - cGroup);
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35
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+
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36
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+ //读取bundle文件,计算偏移量
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37
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+ std::ifstream fread(bundleFilePath, std::ifstream::binary);
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38
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+ if(!fread)
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39
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+ {
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40
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+ response.sendError(500, "找不到瓦片:(");
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41
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+ }
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42
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+ fread.seekg(64 + 8 * index, fread.beg);
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43
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+ char* buffer = new char[4];
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44
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+ fread.read(buffer,4);
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45
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+ long offset = (long)(buffer[0]&0xff)
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46
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+ + (long)(buffer[1]&0xff) * 256
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47
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+ + (long)(buffer[2]&0xff) * 65536
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48
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+ + (long)(buffer[3]&0xff) * 16777216
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49
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+ -4;
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50
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+ delete [] buffer;
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51
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+
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52
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+ //读取bundle文件获取切片
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53
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+ fread.seekg(offset, fread.beg);
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54
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+ char* buff = new char[4];
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55
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+ fread.read(buff, 4);
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56
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+ long len = (long)(buff[0]&0xff)
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57
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+ + (long)(buff[1]&0xff) * 256
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58
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+ + (long)(buff[2]&0xff) * 65536
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59
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+ + (long)(buff[3]&0xff) * 16777216;
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60
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+ delete[] buff;
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61
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+ char* imgBuffer = new char[len];
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62
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+ fread.read(imgBuffer, len);
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63
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+ fread.close();
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64
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+ if(len > 0)
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65
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+ {
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66
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+ response.removeHeader("Content-Type");
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67
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+ std::string f = (format == "jpg") ? "image/jpg" : "image/png";
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68
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+ response.setHeader("Content-Type", f);
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69
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+ response.writeContent(imgBuffer, len);
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70
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+ }
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71
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+ else
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72
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+ {
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73
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+ response.sendError(500, "找不到瓦片:(");
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74
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+ }
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75
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+ delete[] imgBuffer;
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76
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+ }
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77
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+ void DmpEsriBundleV2Provider::GetTileThumbnail(DmpTileLayer* dmpTileLayer,DmpServerResponse& response)
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|
78
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+ {
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79
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+ std::string tilePath=dmpTileLayer->getDataSource();
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80
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+ DmpRectangle rectangle=dmpTileLayer->extent();
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81
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+ std::string format=dmpTileLayer->getFormat();
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82
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+ // std::string lowerPoint=std::to_string(rectangle.xmin())+" "+std::to_string(rectangle.ymin());
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83
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+ // std::string upperPoint=std::to_string(rectangle.xmax())+" "+std::to_string(rectangle.ymax());
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84
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+ DmpPoint min=DmpPoint(rectangle.xmin(),rectangle.ymin());
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85
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+ DmpPoint max=DmpPoint(rectangle.xmax(),rectangle.ymax());
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86
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+ std::vector<DmpTileMatrixSet*> tileMatrixSets;
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87
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+ dmpTileLayer->getTileMatrixSets(tileMatrixSets);
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88
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+ double resolution;
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89
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+ DmpPoint origin;
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90
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+ int iLevel,xMinTile,yMinTile, xMaxTile, yMaxTile,buffLen;
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91
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+ if(!TileProviderFactory::GetTileScale(dmpTileLayer,iLevel,xMinTile,yMinTile, xMaxTile, yMaxTile))
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|
92
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+ {
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93
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+ response.sendError(500, "缩略图范围错误:(");
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|
94
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+ return;
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|
95
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+ }
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|
96
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+
|
|
97
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+ int imageLen=0;
|
|
98
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+ int heigth=abs(yMaxTile-yMinTile);
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|
99
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+ int width=abs(xMaxTile-xMinTile);
|
|
100
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+ cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 256*(width+1), 256*(heigth+1));
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|
101
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+ cairo_t *cr =cairo_create (surface);
|
|
102
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+ for( int i = 0 ; i <= width ; i++ )
|
|
103
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+ {
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|
104
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+ for(int j=0;j<=heigth;j++)
|
|
105
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+ {
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|
106
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+ std::string strBuff;
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|
107
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+ GetTile(yMaxTile+j,xMinTile+i,iLevel,strBuff,buffLen);
|
|
108
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+
|
|
109
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+ const char* buff=strBuff.c_str();
|
|
110
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+ st_png_data pngData = {(unsigned char*)buff, 0};
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|
111
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+ cairo_surface_t *image = cairo_image_surface_create_from_png_stream(cairo_read_func,&pngData);
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112
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+ TileProviderFactory::BufferCopy(image,surface,cr,i*256,j*256);
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113
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+ //cairo_surface_write_to_png (surface, "./wmts.png");
|
|
114
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+
|
|
115
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+ }
|
|
116
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+
|
|
117
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+ }
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|
118
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+
|
|
119
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+ cairo_surface_t *newimage=cairo_image_surface_create_from_png ("/mnt/d/56.png");
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|
120
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+
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121
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+ //cairo_arc (newcr, 128.0, 128.0, 76.8, 0, 2*3.14);
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|
122
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+ int w,h;
|
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123
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+ w = cairo_image_surface_get_width (newimage);
|
|
124
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+ h = cairo_image_surface_get_height (newimage);
|
|
125
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+
|
|
126
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+ cairo_surface_t *surface0 = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, w/2, h/2);
|
|
127
|
+ cairo_t *cr0 =cairo_create (surface0);
|
|
128
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+ cairo_clip(cr0);
|
|
129
|
+ //cairo_scale (cr0, w/2, h/2);
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|
130
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+ cairo_set_source_surface (cr0, newimage, 0, 0);
|
|
131
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+
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|
132
|
+
|
|
133
|
+ cairo_paint(cr0);
|
|
134
|
+ //cairo_surface_write_to_png (surface0, "./wmts.png");
|
|
135
|
+ cairo_surface_destroy (surface0);
|
|
136
|
+
|
|
137
|
+
|
|
138
|
+ std::string responseData;
|
|
139
|
+ cairo_surface_write_to_png_stream(surface, TileProviderFactory::cairo_write_func, &responseData);
|
|
140
|
+ //cairo_surface_write_to_png_stream(newimage, TileProviderFactory::cairo_write_func, &responseData);
|
|
141
|
+
|
|
142
|
+ response.removeHeader("Content-Type");
|
|
143
|
+ std::string f = (format == "jpg") ? "image/jpg" : "image/png";
|
|
144
|
+ response.setHeader("Content-Type", f);
|
|
145
|
+ response.write(responseData);
|
|
146
|
+ //response.writeContent(&responseData,imageLen);
|
|
147
|
+
|
|
148
|
+
|
|
149
|
+ cairo_destroy (cr);
|
|
150
|
+ cairo_surface_destroy (surface);
|
|
151
|
+ }
|
|
152
|
+ bool DmpEsriBundleV2Provider::GetTile(int row, int col, int level,std::string& refbuff,int& length )
|
|
153
|
+ {
|
|
154
|
+ int packSize = _packetSize;
|
|
155
|
+ int rGroup = (int)row/packSize;
|
|
156
|
+ rGroup = rGroup * packSize;
|
|
157
|
+ int cGroup = (int)col/packSize;
|
|
158
|
+ cGroup = cGroup*packSize;
|
|
159
|
+
|
|
160
|
+ std::string bundleBase = GetBundlePath(level,rGroup,cGroup);
|
|
161
|
+ std::string bundleFilePath = bundleBase + ".bundle";
|
|
162
|
+
|
|
163
|
+ int index = packSize * (row - rGroup) + (col - cGroup);
|
|
164
|
+
|
|
165
|
+ //读取bundle文件,计算偏移量
|
|
166
|
+ std::ifstream fread(bundleFilePath, std::ifstream::binary);
|
|
167
|
+ if(!fread)
|
|
168
|
+ {
|
|
169
|
+ return false;
|
|
170
|
+ }
|
|
171
|
+ fread.seekg(64 + 8 * index, fread.beg);
|
|
172
|
+ char* buffer = new char[4];
|
|
173
|
+ fread.read(buffer,4);
|
|
174
|
+ long offset = (long)(buffer[0]&0xff)
|
|
175
|
+ + (long)(buffer[1]&0xff) * 256
|
|
176
|
+ + (long)(buffer[2]&0xff) * 65536
|
|
177
|
+ + (long)(buffer[3]&0xff) * 16777216
|
|
178
|
+ -4;
|
|
179
|
+ delete [] buffer;
|
|
180
|
+
|
|
181
|
+ //读取bundle文件获取切片
|
|
182
|
+ fread.seekg(offset, fread.beg);
|
|
183
|
+ char* buff = new char[4];
|
|
184
|
+ fread.read(buff, 4);
|
|
185
|
+ long len = (long)(buff[0]&0xff)
|
|
186
|
+ + (long)(buff[1]&0xff) * 256
|
|
187
|
+ + (long)(buff[2]&0xff) * 65536
|
|
188
|
+ + (long)(buff[3]&0xff) * 16777216;
|
|
189
|
+ delete[] buff;
|
|
190
|
+
|
|
191
|
+ char* imgBuffer = new char[len];
|
|
192
|
+ fread.read(imgBuffer, len);
|
|
193
|
+ fread.close();
|
|
194
|
+ if(len > 0)
|
|
195
|
+ {
|
|
196
|
+ refbuff.append(imgBuffer,len);
|
|
197
|
+ }
|
|
198
|
+
|
|
199
|
+ delete[] imgBuffer;
|
|
200
|
+ return true;
|
|
201
|
+ }
|
|
202
|
+ cairo_status_t DmpEsriBundleV2Provider::cairo_read_func (void *closure, unsigned char *data, unsigned int length)
|
|
203
|
+ {
|
|
204
|
+ st_png_data* pPngData = (st_png_data*)closure;
|
|
205
|
+ memcpy(data, pPngData->pdata + pPngData->length, length);
|
|
206
|
+ pPngData->length += length;
|
|
207
|
+ return CAIRO_STATUS_SUCCESS;
|
|
208
|
+ }
|
184
|
209
|
} |
|
|
\ No newline at end of file |
...
|
...
|
|