int main(int argc, char *argv[])
{
mapObj *map=NULL;
imageObj *image = NULL;
msSetup();
if(argc > 1 && strcmp(argv[1], "-v") == 0) {
printf("%s\n", msGetVersion());
exit(0);
}
/* ---- check the number of arguments, return syntax if not correct ---- */
if( argc < 3 ) {
fprintf(stdout,"Syntax: scalebar [mapfile] [output image]\n" );
exit(1);
}
map = msLoadMap(argv[1], NULL);
if(!map) {
msWriteError(stderr);
exit(1);
}
image = msDrawScalebar(map);
if(!image) {
msWriteError(stderr);
exit(1);
}
msSaveImage(map, image, argv[2]);
msFreeImage(image);
msFreeMap(map);
return(MS_TRUE);
}
imageObj *mapObj_drawScalebar(mapObj* self) {
return msDrawScalebar(self);
}
int msEmbedScalebar(mapObj *map, imageObj *img)
{
int l,index,s;
pointObj point;
imageObj *image = NULL;
rendererVTableObj *renderer = MS_MAP_RENDERER(map);
symbolObj *embededSymbol;
if( ! renderer ) {
msSetError(MS_MISCERR,"unsupported outputformat","msEmbedScalebar()");
return MS_FAILURE;
}
index = msGetSymbolIndex(&(map->symbolset), "scalebar", MS_FALSE);
if(index != -1)
msRemoveSymbol(&(map->symbolset), index); /* remove cached symbol in case the function is called multiple
times with different zoom levels */
if((embededSymbol=msGrowSymbolSet(&map->symbolset)) == NULL)
return MS_FAILURE;
s = map->symbolset.numsymbols;
map->symbolset.numsymbols++;
image = msDrawScalebar(map);
if(!image) {
return MS_FAILURE;
}
embededSymbol->pixmap_buffer = calloc(1,sizeof(rasterBufferObj));
MS_CHECK_ALLOC(embededSymbol->pixmap_buffer, sizeof(rasterBufferObj), MS_FAILURE);
if(MS_SUCCESS != renderer->getRasterBufferCopy(image,embededSymbol->pixmap_buffer)) {
return MS_FAILURE;
}
embededSymbol->type = MS_SYMBOL_PIXMAP; /* intialize a few things */
embededSymbol->name = msStrdup("scalebar");
embededSymbol->sizex = embededSymbol->pixmap_buffer->width;
embededSymbol->sizey = embededSymbol->pixmap_buffer->height;
if(map->scalebar.transparent) {
embededSymbol->transparent = MS_TRUE;
embededSymbol->transparentcolor = 0;
}
switch(map->scalebar.position) {
case(MS_LL):
point.x = MS_NINT(embededSymbol->pixmap_buffer->width/2.0);
point.y = map->height - MS_NINT(embededSymbol->pixmap_buffer->height/2.0);
break;
case(MS_LR):
point.x = map->width - MS_NINT(embededSymbol->pixmap_buffer->width/2.0);
point.y = map->height - MS_NINT(embededSymbol->pixmap_buffer->height/2.0);
break;
case(MS_LC):
point.x = MS_NINT(map->width/2.0);
point.y = map->height - MS_NINT(embededSymbol->pixmap_buffer->height/2.0);
break;
case(MS_UR):
point.x = map->width - MS_NINT(embededSymbol->pixmap_buffer->width/2.0);
point.y = MS_NINT(embededSymbol->pixmap_buffer->height/2.0);
break;
case(MS_UL):
point.x = MS_NINT(embededSymbol->pixmap_buffer->width/2.0);
point.y = MS_NINT(embededSymbol->pixmap_buffer->height/2.0);
break;
case(MS_UC):
point.x = MS_NINT(map->width/2.0);
point.y = MS_NINT(embededSymbol->pixmap_buffer->height/2.0);
break;
}
l = msGetLayerIndex(map, "__embed__scalebar");
if(l == -1) {
if (msGrowMapLayers(map) == NULL)
return(-1);
l = map->numlayers;
map->numlayers++;
if(initLayer((GET_LAYER(map, l)), map) == -1) return(-1);
GET_LAYER(map, l)->name = msStrdup("__embed__scalebar");
GET_LAYER(map, l)->type = MS_LAYER_POINT;
if (msGrowLayerClasses( GET_LAYER(map, l) ) == NULL)
return(-1);
if(initClass(GET_LAYER(map, l)->class[0]) == -1) return(-1);
GET_LAYER(map, l)->numclasses = 1; /* so we make sure to free it */
/* update the layer order list with the layer's index. */
map->layerorder[l] = l;
}
GET_LAYER(map, l)->status = MS_ON;
if(map->scalebar.postlabelcache) { /* add it directly to the image */
if(msMaybeAllocateClassStyle(GET_LAYER(map, l)->class[0], 0)==MS_FAILURE) return MS_FAILURE;
GET_LAYER(map, l)->class[0]->styles[0]->symbol = s;
msDrawMarkerSymbol(&map->symbolset, img, &point, GET_LAYER(map, l)->class[0]->styles[0], 1.0);
} else {
if(!GET_LAYER(map, l)->class[0]->labels) {