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

master
kevin 7 years ago
parent
4ac92aef52
commit
ca40492412
2 changed files with 54 additions and 14 deletions
Split View Show Diff Stats
  1. 49
    14
      cmSvgWriter.c
  2. 5
    0
      cmSvgWriter.h

+ 49
- 14
cmSvgWriter.c View File 

@@ -186,6 +186,7 @@ void _cmSvgWriterFlipY( cmSvg_t* p, unsigned height )
186 186 
 }
187 187
188 188
189 
+
189 190 
 cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h,  const cmChar_t* cssFn, const cmChar_t* outFn )
190 191 
 {
191 192 
   cmSvgRC_t   rc        = kOkSvgRC;
 
@@ -194,17 +195,34 @@ cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h,  const cmChar_t* cssFn, const cmChar_t*
194 195 
   double      svgHeight = 0;
195 196 
   cmSvgEle_t* e         = p->elist;
196 197 
   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
198 218 
   _cmSvgSize(p, &svgWidth, &svgHeight );
199 219
200 220 
   _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.");
208 226 
     goto errLabel;
209 227 
   }
210 228 
 
@@ -213,18 +231,18 @@ cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h,  const cmChar_t* cssFn, const cmChar_t*
213 231 
     switch( e->id )
214 232 
     {
215 233 
       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;
218 236 
         break;
219 237
220 238 
       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;
223 241 
         break;
224 242
225 243 
       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;
228 246 
         break;
229 247
230 248 
       default:
 
@@ -234,21 +252,38 @@ cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h,  const cmChar_t* cssFn, const cmChar_t*
234 252
235 253 
     if( rc != kOkSvgRC )
236 254 
     {
237 
-      rc = cmErrMsg(&p->err,kFileFailSvgRC,"Element write failed.");
255 
+      rc = cmErrMsg(&p->err,kPrintFailSvgRC,"Element write failed.");
238 256 
       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.");
245 266 
     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
249 281 
  errLabel:
250 282 
   cmFileClose(&fH);
251 283
284 
+  cmMemFree(s0);
285 
+  cmMemFree(s1);
286 
+
252 287 
   return rc;
253 288 
 }
254 289

+ 5
- 0
cmSvgWriter.h View File 

@@ -9,6 +9,7 @@ enum
9 9 
 {
10 10 
   kOkSvgRC = cmOkRC,
11 11 
   kFileFailSvgRC,
12 
+  kPrintFailSvgRC,
12 13 
   kLHeapFailSvgRC
13 14 
 };
14 15 
 
@@ -25,6 +26,10 @@ enum
25 26 
   cmSvgRC_t cmSvgWriterLine( cmSvgH_t h, double x0, double y0, double x1, double y1, const cmChar_t* cssClassLabel );
26 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 33 
   cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn );
29 34
30 35 
 #ifdef __cplusplus

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