int mapObj_setSymbolSet(mapObj *self,
char *szFileName)
{
msFreeSymbolSet(&self->symbolset);
msInitSymbolSet(&self->symbolset);
// Set symbolset filename
self->symbolset.filename = strdup(szFileName);
// Symbolset shares same fontset as main mapfile
self->symbolset.fontset = &(self->fontset);
return msLoadSymbolSet(&self->symbolset, self);
}
Handle<Value> MSMap::SetSymbolSet(const Arguments &args) {
HandleScope scope;
int result;
MSMap *map = ObjectWrap::Unwrap<MSMap>(args.This());
REQ_STR_ARG(0, symbolfile);
msFreeSymbolSet(&(map->this_->symbolset));
msInitSymbolSet(&(map->this_->symbolset));
// Set symbolset filename
map->this_->symbolset.filename = strdup(*symbolfile);
// Symbolset shares same fontset as main mapfile
map->this_->symbolset.fontset = &(map->this_->fontset);
result = msLoadSymbolSet(&(map->this_->symbolset), map->this_);
return scope.Close(Number::New(result));
}
int main(int argc, char *argv[])
{
FILE *stream;
int ns,n,k;
gdImagePtr img;
shapeObj p;
int i,j;
int ncols,nrows;
char buffer[256];
int gray, green, red, black, white;
classObj class;
symbolSetObj symbolSet;
/* ---- check the number of arguments, return syntax if not correct ---- */
if( argc < 2 ) {
fprintf(stdout, "Syntax: sym2img [symbolset] [outfile]\n" );
exit(0);
}
/* Initialize the polygon/polyline */
p.line = (lineObj *)malloc(sizeof(lineObj));
p.numlines = 1;
p.line[0].point = (pointObj *)malloc(sizeof(pointObj)*4);
p.line[0].numpoints = 4;
/* Initialize the symbol and font sets */
symbolSet.filename = msStrdup(argv[1]);
/*
** load the symbol file
*/
if(msLoadSymbolSet(&symbolSet) == -1) {
msWriteError(stderr);
exit(1);
}
ns = symbolSet.numsymbols;
if(ns < NCOLS) {
ncols = ns;
nrows = 1;
} else {
ncols = NCOLS;
nrows = (int)ceil((double)ns/NCOLS);
}
img = gdImageCreate(ncols*CELLSIZE, nrows*CELLSIZE);
gray = gdImageColorAllocate(img, 222, 222, 222);
white = gdImageColorAllocate(img, 255, 255, 255);
green = gdImageColorAllocate(img, 40, 170, 40);
black = gdImageColorAllocate(img, 0, 0, 0);
red = gdImageColorAllocate(img, 255, 0, 0);
class.color = red;
class.backgroundcolor = white;
class.outlinecolor = black;
n=0;
for(i=0; n<ns;i+=CELLSIZE) {
k=0;
for(j=0; n<ns;j+=CELLSIZE) {
if (k == ncols) break;
k++;
gdImageFilledRectangle(img,j,i,j+CELLSIZE, i+CELLSIZE, gray);
class.symbol = n;
switch(symbolSet.type) {
case(MS_MARKERSET):
class.sizescaled = RATIO*CELLSIZE;
p.line[0].point[0].x = MS_NINT(j + CELLSIZE/2);
p.line[0].point[0].y = MS_NINT(i + CELLSIZE/2);
p.line[0].numpoints = 1;
msDrawMarkerSymbol(&(symbolSet), img, &(p.line[0].point[0]), &(class));
break;
case(MS_LINESET):
class.sizescaled = 1;
p.line[0].point[0].x = j;
p.line[0].point[0].y = i + (CELLSIZE-LBUF) - 1;
p.line[0].point[1].x = j + MS_NINT((CELLSIZE-LBUF)/3.0) - 1;
p.line[0].point[1].y = i;
p.line[0].point[2].x = j + MS_NINT(2*(CELLSIZE-LBUF)/3.0) - 1;
p.line[0].point[2].y = i + (CELLSIZE-LBUF) - 1;
p.line[0].point[3].x = j + (CELLSIZE-LBUF) - 1;
p.line[0].point[3].y = i;
p.line[0].numpoints = 4;
msDrawLineSymbol(&(symbolSet), img, &p, &(class));
break;
case(MS_SHADESET):
class.sizescaled = 5;
p.line[0].point[0].x = j;
p.line[0].point[0].y = i;
p.line[0].point[1].x = j + CELLSIZE-1;
p.line[0].point[1].y = i;
p.line[0].point[2].x = j + CELLSIZE-1;
p.line[0].point[2].y = i + CELLSIZE-1 ;
p.line[0].point[3].x = j;
p.line[0].point[3].y = i + CELLSIZE-1;
p.line[0].numpoints = 4;
msDrawShadeSymbol(&(symbolSet), img, &p, &(class));
break;
default:
break;
}
if(symbolSet.symbol[n]->name)
snprintf(buffer, sizeof(buffer), "%d - %s", n, symbolSet.symbol[n]->name);
else
snprintf(buffer, sizeof(buffer), "%d", n);
gdImageString(img, gdFontTiny, j+1, i+1, buffer, black);
n++;
}
}
if((stream = fopen(argv[2],"wb")) == NULL) { /* open the file */
fprintf(stderr, "Unable to open output file: %s\n", argv[2]);
exit(1);
}
#ifndef USE_GD_1_6
gdImageGif(img, stream);
#else
gdImagePng(img, stream);
#endif
gdImageDestroy(img);
free(symbolSet.filename);
fclose(stream);
return(MS_TRUE);
}