/*! Adds an ellipse object to pattern (\a p) with its center at the absolute position (\a cx,\a cy) with radii of (\a rx,\a ry). Positive y is up. Units are in millimeters. */
void embPattern_addEllipseObjectAbs(EmbPattern* p, double cx, double cy, double rx, double ry)
{
EmbEllipseObject ellipseObj = embEllipseObject_make(cx, cy, rx, ry);
if(!p) { embLog_error("emb-pattern.c embPattern_addEllipseObjectAbs(), p argument is null\n"); return; }
if(embEllipseObjectList_empty(p->ellipseObjList))
{
p->ellipseObjList = p->lastEllipseObj = embEllipseObjectList_create(ellipseObj);
}
else
{
p->lastEllipseObj = embEllipseObjectList_add(p->lastEllipseObj, ellipseObj);
}
}
/* Calculates a rectangle that encapsulates all stitches and objects in the pattern. */
EmbRect embPattern_calcBoundingBox(EmbPattern* p)
{
EmbStitchList* pointer = 0;
EmbRect boundingRect;
EmbStitch pt;
EmbArcObjectList* aObjList = 0;
EmbArc arc;
EmbCircleObjectList* cObjList = 0;
EmbCircle circle;
EmbEllipseObjectList* eObjList = 0;
EmbEllipse ellipse;
EmbLineObjectList* liObjList = 0;
EmbLine line;
EmbPointObjectList* pObjList = 0;
EmbPoint point;
EmbPolygonObjectList* pogObjList = 0;
EmbPointList* pogPointList = 0;
EmbPoint pogPoint;
EmbPolylineObjectList* polObjList = 0;
EmbPointList* polPointList = 0;
EmbPoint polPoint;
EmbRectObjectList* rObjList = 0;
EmbRect rect;
EmbSplineObjectList* sObjList = 0;
EmbBezier bezier;
if(!p) { embLog_error("emb-pattern.c embPattern_calcBoundingBox(), p argument is null\n"); return boundingRect; }
/* Calculate the bounding rectangle. It's needed for smart repainting. */
/* TODO: Come back and optimize this mess so that after going thru all objects
and stitches, if the rectangle isn't reasonable, then return a default rect */
if(embStitchList_empty(p->stitchList) &&
embArcObjectList_empty(p->arcObjList) &&
embCircleObjectList_empty(p->circleObjList) &&
embEllipseObjectList_empty(p->ellipseObjList) &&
embLineObjectList_empty(p->lineObjList) &&
embPointObjectList_empty(p->pointObjList) &&
embPolygonObjectList_empty(p->polygonObjList) &&
embPolylineObjectList_empty(p->polylineObjList) &&
embRectObjectList_empty(p->rectObjList) &&
embSplineObjectList_empty(p->splineObjList))
{
boundingRect.top = 0.0;
boundingRect.left = 0.0;
boundingRect.bottom = 1.0;
boundingRect.right = 1.0;
return boundingRect;
}
boundingRect.left = 99999.0;
boundingRect.top = 99999.0;
boundingRect.right = -99999.0;
boundingRect.bottom = -99999.0;
pointer = p->stitchList;
while(pointer)
{
/* If the point lies outside of the accumulated bounding
* rectangle, then inflate the bounding rect to include it. */
pt = pointer->stitch;
if(!(pt.flags & TRIM))
{
boundingRect.left = (double)min(boundingRect.left, pt.xx);
boundingRect.top = (double)min(boundingRect.top, pt.yy);
boundingRect.right = (double)max(boundingRect.right, pt.xx);
boundingRect.bottom = (double)max(boundingRect.bottom, pt.yy);
}
pointer = pointer->next;
}
aObjList = p->arcObjList;
while(aObjList)
{
arc = aObjList->arcObj.arc;
/* TODO: embPattern_calcBoundingBox for arcs */
aObjList = aObjList->next;
}
cObjList = p->circleObjList;
while(cObjList)
{
circle = cObjList->circleObj.circle;
boundingRect.left = (double)min(boundingRect.left, circle.centerX - circle.radius);
boundingRect.top = (double)min(boundingRect.top, circle.centerY - circle.radius);
boundingRect.right = (double)max(boundingRect.right, circle.centerX + circle.radius);
boundingRect.bottom = (double)max(boundingRect.bottom, circle.centerY + circle.radius);
cObjList = cObjList->next;
}
eObjList = p->ellipseObjList;
while(eObjList)
{
ellipse = eObjList->ellipseObj.ellipse;
/* TODO: embPattern_calcBoundingBox for ellipses */
eObjList = eObjList->next;
}
liObjList = p->lineObjList;
while(liObjList)
{
line = liObjList->lineObj.line;
/* TODO: embPattern_calcBoundingBox for lines */
liObjList = liObjList->next;
}
pObjList = p->pointObjList;
while(pObjList)
{
point = pObjList->pointObj.point;
/* TODO: embPattern_calcBoundingBox for points */
pObjList = pObjList->next;
}
pogObjList = p->polygonObjList;
while(pogObjList)
{
pogPointList = pogObjList->polygonObj->pointList;
while(pogPointList)
{
pogPoint = pogPointList->point;
/* TODO: embPattern_calcBoundingBox for polygons */
pogPointList = pogPointList->next;
}
pogObjList = pogObjList->next;
}
polObjList = p->polylineObjList;
while(polObjList)
{
polPointList = polObjList->polylineObj->pointList;
while(polPointList)
{
polPoint = polPointList->point;
/* TODO: embPattern_calcBoundingBox for polylines */
polPointList = polPointList->next;
}
polObjList = polObjList->next;
}
rObjList = p->rectObjList;
while(rObjList)
{
rect = rObjList->rectObj.rect;
/* TODO: embPattern_calcBoundingBox for rectangles */
rObjList = rObjList->next;
}
sObjList = p->splineObjList;
while(sObjList)
{
bezier = sObjList->splineObj.bezier;
/* TODO: embPattern_calcBoundingBox for splines */
sObjList = sObjList->next;
}
return boundingRect;
}