DMapServer / DMapServer4.1 · 提交

提交 a0f7e5e30f310eb922a4d48004a618c733d29f09

作者 LJH 李佳桓
1 个父辈 4b63ea42

update

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