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

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This commit is contained in:
kevin 2016-08-24 18:39:03 -04:00
parent 4ac92aef52
commit ca40492412
2 changed files with 54 additions and 14 deletions
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63
cmSvgWriter.c
View File

@ -186,6 +186,7 @@ void _cmSvgWriterFlipY( cmSvg_t* p, unsigned height )
} }
cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn ) cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn )
{ {
cmSvgRC_t rc = kOkSvgRC; cmSvgRC_t rc = kOkSvgRC;
@ -194,17 +195,34 @@ cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t*
double svgHeight = 0; double svgHeight = 0;
cmSvgEle_t* e = p->elist; cmSvgEle_t* e = p->elist;
cmFileH_t fH = cmFileNullHandle; cmFileH_t fH = cmFileNullHandle;
cmChar_t* s0 = NULL;
cmChar_t* s1 = NULL;
cmChar_t hdr[] =
"<!DOCTYPE html>"
"<html>"
"<head>"
"<meta charset=\"utf-8\">"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">"
"<script type=\"text/javascript\" src=\"svg-pan-zoom.min.js\"></script>"
"<script>"
" var panZoom = null;"
" function doOnLoad() { panZoom = svgPanZoom(document.querySelector('#mysvg'), { controlIconsEnabled:true } ) }"
"</script>"
"</head>"
"<body onload=\"doOnLoad()\">"
"<svg id=\"mysvg\" width=\"%f\" height=\"%f\">";
_cmSvgSize(p, &svgWidth, &svgHeight ); _cmSvgSize(p, &svgWidth, &svgHeight );
_cmSvgWriterFlipY( p, svgHeight ); _cmSvgWriterFlipY( p, svgHeight );
if( cmFileOpen(&fH,outFn,kWriteFileFl,p->err.rpt) != kOkFileRC )
return cmErrMsg(&p->err,kFileFailSvgRC,"SVG file create failed for '%s'.",cmStringNullGuard(outFn));
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 ) // print the file header
if( (s0 = cmTsPrintfP(s0,hdr,cssFn,svgWidth,svgHeight)) == NULL )
{ {
rc = cmErrMsg(&p->err,kFileFailSvgRC,"File prefix write failed."); rc = cmErrMsg(&p->err,kPrintFailSvgRC,"File prefix write failed.");
goto errLabel; goto errLabel;
} }
@ -213,18 +231,18 @@ cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t*
switch( e->id ) switch( e->id )
{ {
case kRectSvgId: case kRectSvgId:
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 ) 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 )
rc = kFileFailSvgRC; rc = kPrintFailSvgRC;
break; break;
case kLineSvgId: case kLineSvgId:
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 ) 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 )
rc = kFileFailSvgRC; rc = kPrintFailSvgRC;
break; break;
case kTextSvgId: case kTextSvgId:
if( cmFilePrintf(fH,"<text x=\"%f\" y=\"%f\" class=\"%s\">%s</text>\n",e->x0,e->y0,e->cssClass,e->text) != kOkFileRC ) if( (s1 = cmTsPrintfP(s1,"<text x=\"%f\" y=\"%f\" class=\"%s\">%s</text>\n",e->x0,e->y0,e->cssClass,e->text)) == NULL )
rc = kFileFailSvgRC; rc = kPrintFailSvgRC;
break; break;
default: default:
@ -234,21 +252,38 @@ cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t*
if( rc != kOkSvgRC ) if( rc != kOkSvgRC )
{ {
rc = cmErrMsg(&p->err,kFileFailSvgRC,"Element write failed."); rc = cmErrMsg(&p->err,kPrintFailSvgRC,"Element write failed.");
break; break;
} }
s0 = cmTextAppendSS(s0,s1);
} }
if( cmFilePrint(fH,"</svg>\n</body>\n</html>\n") != kOkFileRC ) if( (s1 = cmTsPrintfP(s1,"</svg>\n</body>\n</html>\n")) == NULL )
{ {
rc = cmErrMsg(&p->err,kFileFailSvgRC,"File suffix write failed."); rc = cmErrMsg(&p->err,kPrintFailSvgRC,"File suffix write failed.");
goto errLabel; goto errLabel;
} }
if( cmFileOpen(&fH,outFn,kWriteFileFl,p->err.rpt) != kOkFileRC )
{
rc = cmErrMsg(&p->err,kFileFailSvgRC,"SVG file create failed for '%s'.",cmStringNullGuard(outFn));
goto errLabel;
}
if( cmFilePrint(fH,s0 = cmTextAppendSS(s0,s1)) != kOkFileRC )
{
rc = cmErrMsg(&p->err,kFileFailSvgRC,"File write failed.");
goto errLabel;
}
errLabel: errLabel:
cmFileClose(&fH); cmFileClose(&fH);
cmMemFree(s0);
cmMemFree(s1);
return rc; return rc;
} }

5
cmSvgWriter.h
View File

@ -9,6 +9,7 @@ enum
{ {
kOkSvgRC = cmOkRC, kOkSvgRC = cmOkRC,
kFileFailSvgRC, kFileFailSvgRC,
kPrintFailSvgRC,
kLHeapFailSvgRC kLHeapFailSvgRC
}; };
@ -25,6 +26,10 @@ enum
cmSvgRC_t cmSvgWriterLine( cmSvgH_t h, double x0, double y0, double x1, double y1, const cmChar_t* cssClassLabel ); cmSvgRC_t cmSvgWriterLine( cmSvgH_t h, double x0, double y0, double x1, double y1, const cmChar_t* cssClassLabel );
cmSvgRC_t cmSvgWriterText( cmSvgH_t h, double x, double y, const cmChar_t* text, const cmChar_t* cssClassLabel ); cmSvgRC_t cmSvgWriterText( cmSvgH_t h, double x, double y, const cmChar_t* text, const cmChar_t* cssClassLabel );
// Write the SVG file. Note that header on this file references the CSS file 'cssFn'
// and the Javascript file svg-pan-zoom.min.js from https://github.com/ariutta/svg-pan-zoom.
// Both the CSS file and svg-pan-zoom.min.js should therefore be in the same directory
// as the output HTML file.
cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn ); cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn );
#ifdef __cplusplus #ifdef __cplusplus