void computeSymbolStyle(symbolStyleObj *s, styleObj *src, symbolObj *symbol, double scalefactor,
double resolutionfactor)
{
double default_size;
double target_size;
double style_size;
default_size = msSymbolGetDefaultSize(symbol);
style_size = (src->size==-1)?default_size:src->size;
INIT_SYMBOL_STYLE(*s);
if(symbol->type == MS_SYMBOL_PIXMAP) {
s->color = s->outlinecolor = NULL;
} else if(symbol->filled || symbol->type == MS_SYMBOL_TRUETYPE) {
if(MS_VALID_COLOR(src->color))
s->color = &src->color;
if(MS_VALID_COLOR(src->outlinecolor))
s->outlinecolor = &src->outlinecolor;
} else {
if(MS_VALID_COLOR(src->color))
s->outlinecolor = &(src->color);
else if(MS_VALID_COLOR(src->outlinecolor))
s->outlinecolor = &(src->outlinecolor);
s->color = NULL;
}
if(MS_VALID_COLOR(src->backgroundcolor)) {
s->backgroundcolor = &(src->backgroundcolor);
}
target_size = style_size * scalefactor;
target_size = MS_MAX(target_size, src->minsize*resolutionfactor);
target_size = MS_MIN(target_size, src->maxsize*resolutionfactor);
s->scale = target_size / default_size;
s->gap = src->gap * target_size / style_size;
if(s->outlinecolor) {
s->outlinewidth = src->width * scalefactor;
s->outlinewidth = MS_MAX(s->outlinewidth, src->minwidth*resolutionfactor);
s->outlinewidth = MS_MIN(s->outlinewidth, src->maxwidth*resolutionfactor);
} else {
s->outlinewidth = 0;
}
s->rotation = src->angle * MS_DEG_TO_RAD;
}
/* ------------------------------------------------------------------------- */
void msDrawMarkerSymbolIM(mapObj *map, imageObj* img, pointObj *p, styleObj *style, double scalefactor)
{
symbolObj *symbol;
int ox, oy;
double size;
DEBUG_IF printf("msDrawMarkerSymbolIM\n<BR>");
/* skip this, we don't do text */
if(!p) return;
if(style->symbol > map->symbolset.numsymbols || style->symbol < 0) return; /* no such symbol, 0 is OK */
symbol = map->symbolset.symbol[style->symbol];
ox = style->offsetx*scalefactor;
oy = style->offsety*scalefactor;
if(style->size == -1) {
size = msSymbolGetDefaultSize( symbol );
size = MS_NINT(size*scalefactor);
} else
size = MS_NINT(style->size*scalefactor);
size = MS_MAX(size, style->minsize*img->resolutionfactor);
size = MS_MIN(size, style->maxsize*img->resolutionfactor);
if(size < 1) return; /* size too small */
/* DEBUG_IF printf(".%d.%d.%d.", symbol->type, style->symbol, fc); */
if(style->symbol == 0) { /* simply draw a single pixel of the specified color */
if (dxf) {
if (dxf==2)
im_iprintf (&imgStr, "POINT\n%.0f %.0f\n%d\n",
p->x + ox, p->y + oy, matchdxfcolor(style->color));
else
im_iprintf (&imgStr,
" 0\nPOINT\n 10\n%f\n 20\n%f\n 30\n0.0\n"
" 62\n%6d\n 8\n%s\n",
p->x + ox, p->y + oy, matchdxfcolor(style->color), lname);
} else {
im_iprintf (&imgStr, "<area ");
if (strcmp(symbolHrefFmt,"%.s")!=0) {
im_iprintf (&imgStr, "href=\"");
im_iprintf (&imgStr, symbolHrefFmt, lname);
im_iprintf (&imgStr, "\" ");
}
if (strcmp(symbolMOverFmt,"%.s")!=0) {
im_iprintf (&imgStr, "onMouseOver=\"");
im_iprintf (&imgStr, symbolMOverFmt, lname);
im_iprintf (&imgStr, "\" ");
}
if (strcmp(symbolMOutFmt,"%.s")!=0) {
im_iprintf (&imgStr, "onMouseOut=\"");
im_iprintf (&imgStr, symbolMOutFmt, lname);
im_iprintf (&imgStr, "\" ");
}
im_iprintf (&imgStr, "shape=\"circle\" coords=\"%.0f,%.0f, 3\" />\n",
p->x + ox, p->y + oy);
}
/* point2 = &( p->line[j].point[i] ); */
/* if(point1->y == point2->y) {} */
return;
}
DEBUG_IF printf("A");
switch(symbol->type) {
case(MS_SYMBOL_TRUETYPE):
DEBUG_IF printf("T");
break;
case(MS_SYMBOL_PIXMAP):
DEBUG_IF printf("P");
break;
case(MS_SYMBOL_VECTOR):
DEBUG_IF printf("V");
{
double d, offset_x, offset_y;
d = size/symbol->sizey;
offset_x = MS_NINT(p->x - d*.5*symbol->sizex + ox);
offset_y = MS_NINT(p->y - d*.5*symbol->sizey + oy);
/* For now I only render filled vector symbols in imagemap, and no */
/* dxf support available yet. */
if(symbol->filled && !dxf /* && fc >= 0 */ ) {
/* char *title=(p->numvalues) ? p->values[0] : ""; */
char *title = "";
int j;
im_iprintf (&imgStr, "<area ");
if (strcmp(symbolHrefFmt,"%.s")!=0) {
im_iprintf (&imgStr, "href=\"");
im_iprintf (&imgStr, symbolHrefFmt, lname);
im_iprintf (&imgStr, "\" ");
}
if (strcmp(symbolMOverFmt,"%.s")!=0) {
im_iprintf (&imgStr, "onMouseOver=\"");
im_iprintf (&imgStr, symbolMOverFmt, lname);
im_iprintf (&imgStr, "\" ");
}
if (strcmp(symbolMOutFmt,"%.s")!=0) {
im_iprintf (&imgStr, "onMouseOut=\"");
im_iprintf (&imgStr, symbolMOutFmt, lname);
im_iprintf (&imgStr, "\" ");
}
im_iprintf (&imgStr, "title=\"%s\" shape=\"poly\" coords=\"", title);
for(j=0; j < symbol->numpoints; j++) {
im_iprintf (&imgStr, "%s %d,%d", j == 0 ? "": ",",
MS_NINT(d*symbol->points[j].x + offset_x),
MS_NINT(d*symbol->points[j].y + offset_y) );
}
im_iprintf (&imgStr, "\" />\n");
} /* end of imagemap, filled case. */
}
break;
default:
DEBUG_IF printf("DEF");
break;
} /* end switch statement */
return;
}
/* ------------------------------------------------------------------------- */
void msDrawShadeSymbolIM(mapObj *map, imageObj* img, shapeObj *p, styleObj *style, double scalefactor)
{
symbolObj *symbol;
int i,j,l;
char first = 1;
double size;
DEBUG_IF printf("msDrawShadeSymbolIM\n<BR>");
if(!p) return;
if(p->numlines <= 0) return;
symbol = map->symbolset.symbol[style->symbol];
if(style->size == -1) {
size = msSymbolGetDefaultSize( symbol );
size = MS_NINT(size*scalefactor);
} else
size = MS_NINT(style->size*scalefactor);
size = MS_MAX(size, style->minsize*img->resolutionfactor);
size = MS_MIN(size, style->maxsize*img->resolutionfactor);
if (suppressEmpty && p->numvalues==0) return;/* suppress area with empty title */
if(style->symbol == 0) { /* simply draw a single pixel of the specified color // */
for(l=0,j=0; j<p->numlines; j++) {
if (dxf == 2) {
im_iprintf (&imgStr, "POLY\n%d\n", matchdxfcolor(style->color));
} else if (dxf) {
im_iprintf (&imgStr, " 0\nPOLYLINE\n 73\n 1\n 62\n%6d\n 8\n%s\n", matchdxfcolor(style->color), lname);
} else {
char *title=(p->numvalues) ? p->values[0] : "";
first = 1;
im_iprintf (&imgStr, "<area ");
if (strcmp(polyHrefFmt,"%.s")!=0) {
im_iprintf (&imgStr, "href=\"");
im_iprintf (&imgStr, polyHrefFmt, title);
im_iprintf (&imgStr, "\" ");
}
if (strcmp(polyMOverFmt,"%.s")!=0) {
im_iprintf (&imgStr, "onMouseOver=\"");
im_iprintf (&imgStr, polyMOverFmt, title);
im_iprintf (&imgStr, "\" ");
}
if (strcmp(polyMOutFmt,"%.s")!=0) {
im_iprintf (&imgStr, "onMouseOut=\"");
im_iprintf (&imgStr, polyMOutFmt, title);
im_iprintf (&imgStr, "\" ");
}
im_iprintf (&imgStr, "title=\"%s\" shape=\"poly\" coords=\"", title);
}
/* point1 = &( p->line[j].point[p->line[j].numpoints-1] ); */
for(i=0; i < p->line[j].numpoints; i++,l++) {
if (dxf == 2) {
im_iprintf (&imgStr, "%.0f %.0f\n", p->line[j].point[i].x, p->line[j].point[i].y);
} else if (dxf) {
im_iprintf (&imgStr, " 0\nVERTEX\n 10\n%f\n 20\n%f\n 30\n%f\n", p->line[j].point[i].x, p->line[j].point[i].y, 0.0);
} else {
im_iprintf (&imgStr, "%s %.0f,%.0f", first ? "": ",", p->line[j].point[i].x, p->line[j].point[i].y);
}
first = 0;
/* point2 = &( p->line[j].point[i] ); */
/* if(point1->y == point2->y) {} */
}
im_iprintf (&imgStr, dxf ? (dxf == 2 ? "": " 0\nSEQEND\n") : "\" />\n");
}
return;
}
/* DEBUG_IF printf ("d"); */
DEBUG_IF printf("-%d-",symbol->type);
return;
}
/*
** Returns the size, in pixels, of a marker symbol defined by a specific style and scalefactor. Used for annotation
** layer collision avoidance. A marker is made up of a number of styles so the calling code must either do the looping
** itself or call this function for the bottom style which should be the largest.
*/
int msGetMarkerSize(symbolSetObj *symbolset, styleObj *style, double *width, double *height, double scalefactor)
{
rectObj rect;
int size;
symbolObj *symbol;
*width = *height = 0; /* set a starting value */
if(style->symbol > symbolset->numsymbols || style->symbol < 0) return(MS_FAILURE); /* no such symbol, 0 is OK */
if(style->symbol == 0) { /* single point */
*width = 1;
*height = 1;
return(MS_SUCCESS);
}
symbol = symbolset->symbol[style->symbol];
if (symbol->type == MS_SYMBOL_PIXMAP && !symbol->pixmap_buffer) {
if (MS_SUCCESS != msPreloadImageSymbol(MS_MAP_RENDERER(symbolset->map), symbol))
return MS_FAILURE;
}
if(symbol->type == MS_SYMBOL_SVG && !symbol->renderer_cache) {
#ifdef USE_SVG_CAIRO
if(MS_SUCCESS != msPreloadSVGSymbol(symbol))
return MS_FAILURE;
#else
msSetError(MS_SYMERR, "SVG symbol support is not enabled.", "msGetMarkerSize()");
return MS_FAILURE;
#endif
}
if(style->size == -1) {
size = ( msSymbolGetDefaultSize(symbol) * scalefactor );
} else
size = (style->size*scalefactor);
size = MS_MAX(size, style->minsize);
size = MS_MIN(size, style->maxsize);
switch(symbol->type) {
case(MS_SYMBOL_TRUETYPE):
if(msGetTruetypeTextBBox(MS_MAP_RENDERER(symbolset->map),symbol->font,symbolset->fontset,size,symbol->character,&rect,NULL,0) != MS_SUCCESS)
return(MS_FAILURE);
*width = MS_MAX(*width, rect.maxx - rect.minx);
*height = MS_MAX(*height, rect.maxy - rect.miny);
break;
case(MS_SYMBOL_PIXMAP):
if(size == 1) {
*width = MS_MAX(*width, symbol->pixmap_buffer->width);
*height = MS_MAX(*height, symbol->pixmap_buffer->height);
} else {
*width = MS_MAX(*width, (((double)size/(double)symbol->pixmap_buffer->height) * symbol->pixmap_buffer->width));
*height = MS_MAX(*height, size);
}
break;
default: /* vector and ellipses, scalable */
if(style->size > 0) {
*width = MS_MAX(*width, ((size/symbol->sizey) * symbol->sizex));
*height = MS_MAX(*height, size);
} else { /* use symbol defaults */
*width = MS_MAX(*width, symbol->sizex);
*height = MS_MAX(*height, symbol->sizey);
}
break;
}
return(MS_SUCCESS);
}