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cmSvgWriter.h/c : Added calls to use svg-pan-zoom.js to HTML header.

master
kevin 8 年前
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共有 2 个文件被更改，包括 54 次插入 和 14 次删除
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  1. 49
    14
      cmSvgWriter.c
  2. 5
    0
      cmSvgWriter.h

+ 49
- 14
cmSvgWriter.c 查看文件

186 
 }
 186 
 }
187
187
188
188
189 
+
189 
 cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h,  const cmChar_t* cssFn, const cmChar_t* outFn )
 190 
 cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h,  const cmChar_t* cssFn, const cmChar_t* outFn )
190 
 {
 191 
 {
191 
   cmSvgRC_t   rc        = kOkSvgRC;
 192 
   cmSvgRC_t   rc        = kOkSvgRC;
194 
   double      svgHeight = 0;
 195 
   double      svgHeight = 0;
195 
   cmSvgEle_t* e         = p->elist;
 196 
   cmSvgEle_t* e         = p->elist;
196 
   cmFileH_t   fH        = cmFileNullHandle;
 197 
   cmFileH_t   fH        = cmFileNullHandle;
198 
+  cmChar_t*   s0        = NULL;
199 
+  cmChar_t*   s1        = NULL;
200 
+
201 
+  cmChar_t hdr[] =
202 
+    "<!DOCTYPE html>"
203 
+    "<html>"
204 
+    "<head>"
205 
+    "<meta charset=\"utf-8\">"
206 
+    "<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">"
207 
+    "<script type=\"text/javascript\" src=\"svg-pan-zoom.min.js\"></script>"
208 
+    "<script>"
209 
+    " var panZoom = null;"
210 
+    "  function doOnLoad() { panZoom = svgPanZoom(document.querySelector('#mysvg'), { controlIconsEnabled:true } ) }"
211 
+    "</script>"
212 
+    "</head>"
213 
+    "<body onload=\"doOnLoad()\">"
214 
+    "<svg id=\"mysvg\" width=\"%f\" height=\"%f\">";
215 
+
216 
+
197
217
198 
   _cmSvgSize(p, &svgWidth, &svgHeight );
 218 
   _cmSvgSize(p, &svgWidth, &svgHeight );
199
219
200 
   _cmSvgWriterFlipY( p, svgHeight );
 220 
   _cmSvgWriterFlipY( p, svgHeight );
201 
-
202 
-  if( cmFileOpen(&fH,outFn,kWriteFileFl,p->err.rpt) != kOkFileRC )
203 
-    return cmErrMsg(&p->err,kFileFailSvgRC,"SVG file create failed for '%s'.",cmStringNullGuard(outFn));
204
221
205 
-  if( cmFilePrintf(fH,"<!DOCTYPE html>\n<html>\n<head><link rel=\"stylesheet\" type=\"text/css\" href=\"%s\"></head><body>\n<svg width=\"%f\" height=\"%f\">\n",svgWidth,svgHeight,cssFn) != kOkFileRC )
222 
+  // print the file header
223 
+  if( (s0 = cmTsPrintfP(s0,hdr,cssFn,svgWidth,svgHeight)) == NULL )
206 
   {
 224 
   {
207 
-    rc = cmErrMsg(&p->err,kFileFailSvgRC,"File prefix write failed.");
225 
+    rc = cmErrMsg(&p->err,kPrintFailSvgRC,"File prefix write failed.");
208 
     goto errLabel;
 226 
     goto errLabel;
209 
   }
 227 
   }
210
228
213 
     switch( e->id )
 231 
     switch( e->id )
214 
     {
 232 
     {
215 
       case kRectSvgId:
 233 
       case kRectSvgId:
216 
-        if( cmFilePrintf(fH,"<rect x=\"%f\" y=\"%f\" width=\"%f\" height=\"%f\" class=\"%s\"/>\n",e->x0,e->y0,e->x1-e->x0,e->y1-e->y0,e->cssClass) != kOkFileRC )
217 
-          rc = kFileFailSvgRC;
234 
+        if( (s1 = cmTsPrintfP(s1,"<rect x=\"%f\" y=\"%f\" width=\"%f\" height=\"%f\" class=\"%s\"/>\n",e->x0,e->y0,e->x1-e->x0,e->y1-e->y0,e->cssClass)) == NULL )
235 
+          rc = kPrintFailSvgRC;
218 
         break;
 236 
         break;
219
237
220 
       case kLineSvgId:
 238 
       case kLineSvgId:
221 
-        if( cmFilePrintf(fH,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" class=\"%s\"/>\n",e->x0,e->y0,e->x1,e->y1,e->cssClass) != kOkFileRC )
222 
-          rc = kFileFailSvgRC;
239 
+        if( (s1 = cmTsPrintfP(s1,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" class=\"%s\"/>\n",e->x0,e->y0,e->x1,e->y1,e->cssClass)) == NULL )
240 
+          rc = kPrintFailSvgRC;
223 
         break;
 241 
         break;
224
242
225 
       case kTextSvgId:
 243 
       case kTextSvgId:
226 
-        if( cmFilePrintf(fH,"<text x=\"%f\" y=\"%f\" class=\"%s\">%s</text>\n",e->x0,e->y0,e->cssClass,e->text) != kOkFileRC )
227 
-          rc = kFileFailSvgRC;
244 
+        if( (s1 = cmTsPrintfP(s1,"<text x=\"%f\" y=\"%f\" class=\"%s\">%s</text>\n",e->x0,e->y0,e->cssClass,e->text)) == NULL )
245 
+          rc = kPrintFailSvgRC;
228 
         break;
 246 
         break;
229
247
230 
       default:
 248 
       default:
234
252
235 
     if( rc != kOkSvgRC )
 253 
     if( rc != kOkSvgRC )
236 
     {
 254 
     {
237 
-      rc = cmErrMsg(&p->err,kFileFailSvgRC,"Element write failed.");
255 
+      rc = cmErrMsg(&p->err,kPrintFailSvgRC,"Element write failed.");
238 
       break;
 256 
       break;
239 
     }
 257 
     }
258 
+
259 
+    s0 = cmTextAppendSS(s0,s1);
260 
+
240 
   }
 261 
   }
241
262
242 
-  if( cmFilePrint(fH,"</svg>\n</body>\n</html>\n") != kOkFileRC )
263 
+  if( (s1 = cmTsPrintfP(s1,"</svg>\n</body>\n</html>\n")) == NULL )
243 
   {
 264 
   {
244 
-    rc = cmErrMsg(&p->err,kFileFailSvgRC,"File suffix write failed.");
265 
+    rc = cmErrMsg(&p->err,kPrintFailSvgRC,"File suffix write failed.");
245 
     goto errLabel;
 266 
     goto errLabel;
246 
   }
 267 
   }
247
268
269 
+  if( cmFileOpen(&fH,outFn,kWriteFileFl,p->err.rpt) != kOkFileRC )
270 
+  {
271 
+    rc = cmErrMsg(&p->err,kFileFailSvgRC,"SVG file create failed for '%s'.",cmStringNullGuard(outFn));
272 
+    goto errLabel;
273 
+  }
274 
+
275 
+  if( cmFilePrint(fH,s0 = cmTextAppendSS(s0,s1)) != kOkFileRC )
276 
+  {
277 
+    rc = cmErrMsg(&p->err,kFileFailSvgRC,"File write failed.");
278 
+    goto errLabel;
279 
+  }
248
280
249 
  errLabel:
 281 
  errLabel:
250 
   cmFileClose(&fH);
 282 
   cmFileClose(&fH);
251
283
284 
+  cmMemFree(s0);
285 
+  cmMemFree(s1);
286 
+
252 
   return rc;
 287 
   return rc;
253 
 }
 288 
 }
254
289

+ 5
- 0
cmSvgWriter.h 查看文件

9 
 {
 9 
 {
10 
   kOkSvgRC = cmOkRC,
 10 
   kOkSvgRC = cmOkRC,
11 
   kFileFailSvgRC,
 11 
   kFileFailSvgRC,
12 
+  kPrintFailSvgRC,
12 
   kLHeapFailSvgRC
 13 
   kLHeapFailSvgRC
13 
 };
 14 
 };
14
15
25 
   cmSvgRC_t cmSvgWriterLine( cmSvgH_t h, double x0, double y0, double x1, double y1, const cmChar_t* cssClassLabel );
 26 
   cmSvgRC_t cmSvgWriterLine( cmSvgH_t h, double x0, double y0, double x1, double y1, const cmChar_t* cssClassLabel );
26 
   cmSvgRC_t cmSvgWriterText( cmSvgH_t h, double  x, double y,  const cmChar_t* text, const cmChar_t* cssClassLabel );
 27 
   cmSvgRC_t cmSvgWriterText( cmSvgH_t h, double  x, double y,  const cmChar_t* text, const cmChar_t* cssClassLabel );
27
28
29 
+  // Write the SVG file.  Note that header on this file references the CSS file 'cssFn'
30 
+  // and the Javascript file svg-pan-zoom.min.js from https://github.com/ariutta/svg-pan-zoom.
31 
+  // Both the CSS file and svg-pan-zoom.min.js should therefore be in the same directory
32 
+  // as the output HTML file.
28 
   cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn );
 33 
   cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn );
29
34
30 
 #ifdef __cplusplus
 35 
 #ifdef __cplusplus

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