cmSvgWriter.h/c,Makefile.am : Initial commit.

This commit is contained in:
kevin 2016-07-14 19:06:47 -04:00
parent 0204c5084a
commit 7be4937965
3 changed files with 274 additions and 2 deletions

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@ -18,8 +18,11 @@ cmSRC += src/libcm/cmData.c src/libcm/cmLib.c src/libcm/cmText.c src/libcm/cmTex
cmHDR += src/libcm/cmMath.h src/libcm/cmGnuPlot.h src/libcm/cmKeyboard.h src/libcm/cmStrStream.h cmHDR += src/libcm/cmMath.h src/libcm/cmGnuPlot.h src/libcm/cmKeyboard.h src/libcm/cmStrStream.h
cmSRC += src/libcm/cmMath.c src/libcm/cmGnuPlot.c src/libcm/cmKeyboard.c src/libcm/cmStrStream.c cmSRC += src/libcm/cmMath.c src/libcm/cmGnuPlot.c src/libcm/cmKeyboard.c src/libcm/cmStrStream.c
cmHDR += src/libcm/cmLinkedHeap.h src/libcm/cmMallocDebug.h src/libcm/cmLex.h src/libcm/cmJson.h src/libcm/cmXml.h src/libcm/cmPrefs.h src/libcm/cmStack.h src/libcm/cmArray.h cmHDR += src/libcm/cmLinkedHeap.h src/libcm/cmMallocDebug.h src/libcm/cmLex.h src/libcm/cmJson.h src/libcm/cmXml.h
cmSRC += src/libcm/cmLinkedHeap.c src/libcm/cmMallocDebug.c src/libcm/cmLex.c src/libcm/cmJson.c src/libcm/cmXml.c src/libcm/cmPrefs.c src/libcm/cmStack.c src/libcm/cmArray.c cmSRC += src/libcm/cmLinkedHeap.c src/libcm/cmMallocDebug.c src/libcm/cmLex.c src/libcm/cmJson.c src/libcm/cmXml.c
cmHDR += src/libcm/cmPrefs.h src/libcm/cmStack.h src/libcm/cmArray.h src/libcm/cmSvgWriter.h
cmSRC += src/libcm/cmPrefs.c src/libcm/cmStack.c src/libcm/cmArray.c src/libcm/cmSvgWriter.c
cmHDR += src/libcm/cmUdpPort.h src/libcm/cmUdpNet.h src/libcm/cmVirtNet.h cmHDR += src/libcm/cmUdpPort.h src/libcm/cmUdpNet.h src/libcm/cmVirtNet.h
cmSRC += src/libcm/cmUdpPort.c src/libcm/cmUdpNet.c src/libcm/cmVirtNet.c cmSRC += src/libcm/cmUdpPort.c src/libcm/cmUdpNet.c src/libcm/cmVirtNet.c

234
cmSvgWriter.c Normal file
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@ -0,0 +1,234 @@
#include "cmPrefix.h"
#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
#include "cmLinkedHeap.h"
#include "cmTime.h"
#include "cmText.h"
#include "cmFile.h"
#include "cmSvgWriter.h"
enum
{
kRectSvgId,
kLineSvgId,
kTextSvgId
};
typedef struct cmSvgEle_str
{
unsigned id;
double x0;
double y0;
double x1;
double y1;
cmChar_t* text;
cmChar_t* cssClass;
struct cmSvgEle_str* link;
} cmSvgEle_t;
typedef struct cmSvg_str
{
cmErr_t err;
cmLHeapH_t lhH;
cmSvgEle_t* elist;
cmSvgEle_t* eol;
} cmSvg_t;
cmSvgH_t cmSvgNullHandle = cmSTATIC_NULL_HANDLE;
cmSvg_t* _cmSvgHandleToPtr( cmSvgH_t h )
{
cmSvg_t* p = (cmSvg_t*)h.h;
assert(p != NULL );
return p;
}
cmSvgRC_t _cmSvgInsertEle( cmSvg_t* p, unsigned id, double x0, double y0, double x1, double y1, const cmChar_t* text, const cmChar_t* class )
{
cmSvgEle_t* e = cmLhAllocZ(p->lhH,cmSvgEle_t,1);
e->id = id;
e->x0 = x0;
e->y0 = y0;
e->x1 = x1;
e->y1 = y1;
e->text = text==NULL ? "" : cmLhAllocStr(p->lhH,text);
e->cssClass = cmLhAllocStr(p->lhH,class);
if( p->eol == NULL )
p->elist = p->eol = e;
else
p->eol->link = e;
p->eol = e;
return kOkSvgRC;
}
cmSvgRC_t _cmSvgWriterFree( cmSvg_t* p )
{
cmLHeapDestroy(&p->lhH);
cmMemFree(p);
return kOkSvgRC;
}
cmSvgRC_t cmSvgWriterAlloc( cmCtx_t* ctx, cmSvgH_t* hp )
{
cmSvgRC_t rc;
if((rc = cmSvgWriterFree(hp)) != kOkSvgRC )
return rc;
cmSvg_t* p = cmMemAllocZ(cmSvg_t,1);
cmErrSetup(&p->err,&ctx->rpt,"SVG Writer");
// create a local linked heap
if( cmLHeapIsValid( p->lhH = cmLHeapCreate(8196,ctx)) == false )
{
rc = cmErrMsg(&p->err,kLHeapFailSvgRC,"Lheap create failed.");
goto errLabel;
}
hp->h = p;
errLabel:
if( rc != kOkSvgRC )
_cmSvgWriterFree(p);
return rc;
}
cmSvgRC_t cmSvgWriterFree( cmSvgH_t* hp )
{
cmSvgRC_t rc = kOkSvgRC;
if( hp==NULL || cmSvgWriterIsValid(*hp)==false )
return kOkSvgRC;
cmSvg_t* p = _cmSvgHandleToPtr(*hp);
if((rc = _cmSvgWriterFree(p)) != kOkSvgRC )
return rc;
hp->h = NULL;
return rc;
}
bool cmSvgWriterIsValid( cmSvgH_t h )
{ return h.h != NULL; }
cmSvgRC_t cmSvgWriterRect( cmSvgH_t h, double x, double y, double ww, double hh, const cmChar_t* cssClassLabel )
{
cmSvg_t* p = _cmSvgHandleToPtr(h);
return _cmSvgInsertEle( p, kRectSvgId, x, y, x+ww, y+hh, NULL, cssClassLabel==NULL?"rectclass":cssClassLabel );
}
cmSvgRC_t cmSvgWriterLine( cmSvgH_t h, double x0, double y0, double x1, double y1, const cmChar_t* cssClassLabel )
{
cmSvg_t* p = _cmSvgHandleToPtr(h);
return _cmSvgInsertEle( p, kLineSvgId, x0, y0, x1, y1, NULL, cssClassLabel==NULL?"lineclass":cssClassLabel );
}
cmSvgRC_t cmSvgWriterText( cmSvgH_t h, double x, double y, const cmChar_t* text, const cmChar_t* cssClassLabel )
{
cmSvg_t* p = _cmSvgHandleToPtr(h);
return _cmSvgInsertEle( p, kTextSvgId, x, y, 0, 0, text==NULL?"":text, cssClassLabel==NULL?"textclass":cssClassLabel );
}
void _cmSvgSize( cmSvg_t* p, double* widthRef, double* heightRef )
{
*widthRef = 0;
*heightRef = 0;
if( p->elist == NULL )
return;
cmSvgEle_t* e = p->elist;
double min_x = cmMin(e->x0,e->x1);
double max_x = cmMax(e->x0,e->x1);
double min_y = cmMin(e->y0,e->y1);
double max_y = cmMax(e->y0,e->y1);
for(e=e->link; e!=NULL; e=e->link)
{
min_x = cmMin(cmMin(min_x,e->x0),e->x1);
max_x = cmMax(cmMax(max_x,e->x0),e->x1);
min_y = cmMin(cmMin(min_y,e->y0),e->y1);
max_y = cmMax(cmMax(max_y,e->y0),e->y1);
}
*widthRef = max_x - min_x;
*heightRef = max_y - min_y;
}
cmSvgRC_t cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn )
{
cmSvgRC_t rc = kOkSvgRC;
cmSvg_t* p = _cmSvgHandleToPtr(h);
double svgWidth = 0;
double svgHeight = 0;
cmSvgEle_t* e = p->elist;
cmFileH_t fH = cmFileNullHandle;
_cmSvgSize(p, &svgWidth, &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 )
{
rc = cmErrMsg(&p->err,kFileFailSvgRC,"File prefix write failed.");
goto errLabel;
}
for(; e!=NULL; e=e->link)
{
switch( e->id )
{
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 )
rc = kFileFailSvgRC;
break;
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 )
rc = kFileFailSvgRC;
break;
case kTextSvgId:
if( cmFilePrintf(fH,"<text x=\"%f\" y=\"%f\" class=\"%s\">%s</text>\n",e->x0,e->y0,e->cssClass,e->text) != kOkFileRC )
rc = kFileFailSvgRC;
break;
default:
{ assert(0); }
}
if( rc != kOkSvgRC )
{
rc = cmErrMsg(&p->err,kFileFailSvgRC,"Element write failed.");
break;
}
}
if( cmFilePrint(fH,"</svg>\n</body>\n</html>\n") != kOkFileRC )
{
rc = cmErrMsg(&p->err,kFileFailSvgRC,"File suffix write failed.");
goto errLabel;
}
errLabel:
cmFileClose(&fH);
return rc;
}

35
cmSvgWriter.h Normal file
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@ -0,0 +1,35 @@
#ifndef cmSvgWriter_h
#define cmSvgWriter_h
#ifdef __cplusplus
extern "C" {
#endif
enum
{
kOkSvgRC = cmOkRC,
kFileFailSvgRC,
kLHeapFailSvgRC
};
typedef cmRC_t cmSvgRC_t;
typedef cmHandle_t cmSvgH_t;
extern cmSvgH_t cmSvgNullHandle;
cmSvgRC_t cmSvgWriterAlloc( cmCtx_t* ctx, cmSvgH_t* hp );
cmSvgRC_t cmSvgWriterFree( cmSvgH_t* hp );
bool cmSvgWriterIsValid( cmSvgH_t h );
cmSvgRC_t cmSvgWriterRect( cmSvgH_t h, double x, double y, double ww, double hh, 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 cmSvgWriterWrite( cmSvgH_t h, const cmChar_t* cssFn, const cmChar_t* outFn );
#ifdef __cplusplus
}
#endif
#endif