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SVGElement.cpp
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#include "SVGElement.h"
#include "SVGPath.h"
#include "SVGShapes.h"
#include "SVGText.h"
#include "SVGContainers.h"
#include "SVGStop.h"
#include "CSSParser.h"
#include "StyleParser.h"
#include "UnitHandler.h"
#include "SVGColors.h"
int AttributeCompareByID(const attribute_s *one, const attribute_s *two)
{
return one->id.Compare(two->id);
}
int AttributeCompareByValue(const attribute_s *one, const attribute_s *two)
{
return one->value.Compare(two->value);
}
BSVGElement::BSVGElement()
: fHeaderData(""),
fFooterData(""),
fID(""),
fClass(""),
fLink(""),
fStatus(B_STATUS_UNRESOLVED),
fAttributes(20, true),
fAttributeNames(20, false),
fAttributeValues(20, false),
fState(),
fParent(NULL),
fParentElement(NULL),
fElements(10, true),
fVisible(true),
fOpen(true)
{
}
BSVGElement::BSVGElement(BSVGView *parent)
: fHeaderData(""),
fFooterData(""),
fID(""),
fClass(""),
fLink(""),
fStatus(B_STATUS_UNRESOLVED),
fAttributes(20, true),
fAttributeNames(20, false),
fAttributeValues(20, false),
fState(),
fParent(parent),
fParentElement(NULL),
fElements(10, true),
fVisible(true),
fOpen(true)
{
}
BSVGElement::BSVGElement(BSVGView *parent, const BString &data)
: fHeaderData(""),
fFooterData(""),
fID(""),
fClass(""),
fLink(""),
fStatus(B_STATUS_UNRESOLVED),
fAttributes(20, true),
fAttributeNames(20, false),
fAttributeValues(20, false),
fState(),
fParent(parent),
fParentElement(NULL),
fElements(10, true),
fVisible(true),
fOpen(true)
{
}
BSVGElement::~BSVGElement()
{
fElements.MakeEmpty();
}
BSVGElement::BSVGElement(BMessage *data)
: fStatus(B_STATUS_UNRESOLVED),
fAttributes(20, true),
fAttributeNames(20, false),
fAttributeValues(20, false),
fParent(NULL),
fParentElement(NULL),
fElements(10, true)
{
BMessage message;
BArchivable *object;
data->FindString("_id", &fID);
data->FindString("_class", &fClass);
data->FindString("_header", &fHeaderData);
data->FindString("_footer", &fFooterData);
data->FindString("_link", &fLink);
data->FindBool("_visible", &fVisible);
data->FindBool("_open", &fOpen);
if (data->FindMessage("_state", &message) == B_OK) {
object = instantiate_object(&message);
SVGState *state = dynamic_cast<SVGState *>(object);
if (state)
fState = *state;
}
//fState.PrintToStream();
int32 type = 0;
int32 i = 0;
while (data->FindMessage("_elements", i, &message) == B_OK
&& data->FindInt32("_elements_type", i++, &type) == B_OK) {
object = instantiate_object(&message);
switch (type) {
case B_SVG_ELEMENT: {
BSVGElement *element = dynamic_cast<BSVGElement *>(object);
if (element)
AddElement(element);
} break;
case B_SVG_ROOT: {
BSVGRoot *root = dynamic_cast<BSVGRoot *>(object);
if (root)
AddElement(root);
} break;
case B_SVG_GROUP: {
BSVGGroup *group = dynamic_cast<BSVGGroup *>(object);
if (group)
AddElement(group);
} break;
case B_SVG_DEFS: {
BSVGDefs *defs = dynamic_cast<BSVGDefs *>(object);
if (defs)
AddElement(defs);
} break;
case B_SVG_USE: {
BSVGUse *use = dynamic_cast<BSVGUse *>(object);
if (use)
AddElement(use);
} break;
case B_SVG_PATH: {
BSVGPath *path = dynamic_cast<BSVGPath *>(object);
if (path)
AddElement(path);
} break;
case B_SVG_RECT: {
BSVGRect *rect = dynamic_cast<BSVGRect *>(object);
if (rect)
AddElement(rect);
} break;
case B_SVG_ELLIPSE: {
BSVGEllipse *ellipse = dynamic_cast<BSVGEllipse *>(object);
if (ellipse)
AddElement(ellipse);
} break;
case B_SVG_CIRCLE: {
BSVGCircle *circle = dynamic_cast<BSVGCircle *>(object);
if (circle)
AddElement(circle);
} break;
case B_SVG_LINE: {
BSVGLine *line = dynamic_cast<BSVGLine *>(object);
if (line)
AddElement(line);
} break;
case B_SVG_POLYLINE: {
BSVGPolyline *polyline = dynamic_cast<BSVGPolyline *>(object);
if (polyline)
AddElement(polyline);
} break;
case B_SVG_POLYGON: {
BSVGPolygon *polygon = dynamic_cast<BSVGPolygon *>(object);
if (polygon)
AddElement(polygon);
} break;
case B_SVG_TEXT: {
BSVGText *text = dynamic_cast<BSVGText *>(object);
if (text)
AddElement(text);
} break;
case B_SVG_TEXTSPAN: {
BSVGTextSpan *textspan = dynamic_cast<BSVGTextSpan *>(object);
if (textspan)
AddElement(textspan);
} break;
case B_SVG_TEXTPATH: {
BSVGTextPath *textpath = dynamic_cast<BSVGTextPath *>(object);
if (textpath)
AddElement(textpath);
} break;
case B_SVG_STRING: {
BSVGString *string = dynamic_cast<BSVGString *>(object);
if (string)
AddElement(string);
} break;
case B_SVG_GRADIENT: {
BSVGGradient *gradient = dynamic_cast<BSVGGradient *>(object);
if (gradient)
AddElement(gradient);
} break;
case B_SVG_LINEARGRAD: {
BSVGLinearGradient *lineargrad = dynamic_cast<BSVGLinearGradient *>(object);
if (lineargrad)
AddElement(lineargrad);
} break;
case B_SVG_RADIALGRAD: {
BSVGRadialGradient *radialgrad = dynamic_cast<BSVGRadialGradient *>(object);
if (radialgrad)
AddElement(radialgrad);
} break;
case B_SVG_STOP: {
BSVGStop *stop = dynamic_cast<BSVGStop *>(object);
if (stop)
AddElement(stop);
} break;
// no default
}
}
}
BArchivable *
BSVGElement::Instantiate(BMessage *data)
{
if (validate_instantiation(data, "BSVGElement"))
return new BSVGElement(data);
return NULL;
}
status_t
BSVGElement::Archive(BMessage *data, bool deep) const
{
data->AddString("_header", fHeaderData);
data->AddString("_footer", fFooterData);
data->AddString("_id", fID);
data->AddString("_class", fClass);
data->AddString("_link", fLink);
data->AddBool("_visible", fVisible);
data->AddBool("_open", fOpen);
if (deep) {
BMessage state;
fState.Archive(&state, deep);
data->AddMessage("_state", &state);
for (int i = 0; i < fElements.CountItems(); i++) {
BMessage message;
fElements.ItemAt(i)->Archive(&message, deep);
data->AddMessage("_elements", &message);
data->AddInt32("_elements_type", fElements.ItemAt(i)->Type());
}
}
ADDREPCLASS("BSVGElement");
return B_OK;
}
void
BSVGElement::SetHeaderData(const BString &data)
{
fHeaderData = data;
}
BString
BSVGElement::HeaderData()
{
return fHeaderData;
}
void
BSVGElement::SetFooterData(const BString &data)
{
fFooterData = data;
}
BString
BSVGElement::FooterData()
{
return fFooterData;
}
void
BSVGElement::RecreateData()
{
AddID(fHeaderData);
fState.AddToString(&fHeaderData);
for (int i = 0; i < fElements.CountItems(); i++)
fElements.ItemAt(i)->RecreateData();
if (fElements.CountItems() == 0)
fHeaderData << " />";
else
fHeaderData << ">";
}
void
BSVGElement::CollectData(BString &into, int32 indentlevel)
{
BString temp = "";
if (fHeaderData != "") {
INDENT(into, indentlevel);
SplitData(&temp, &fHeaderData, indentlevel);
into << temp << "\n";
}
for (int i = 0; i < fElements.CountItems(); i++)
fElements.ItemAt(i)->CollectData(into, indentlevel + 1);
temp = "";
if (fFooterData != "") {
INDENT(into, indentlevel);
SplitData(&temp, &fFooterData, indentlevel);
into << temp << "\n";
}
}
void
BSVGElement::CollectBounds(BRect &bounds, bool *first)
{
for (int i = 0; i < fElements.CountItems(); i++)
fElements.ItemAt(i)->CollectBounds(bounds, first);
}
#define PROMOTEMEMBER(x, y, z) \
if (member == &x) { \
x = *(z *)setto; \
BSVGElement *element = NULL; \
for (int i = 0; i < fElements.CountItems(); i++) { \
element = fElements.ItemAt(i); \
element->PromoteDownMember((void *)&element->x, setto); \
} \
return; \
}
void
BSVGElement::PromoteDownMember(void *member, void *setto)
{
PROMOTEMEMBER(fHeaderData, "header", BString);
PROMOTEMEMBER(fFooterData, "footer", BString);
PROMOTEMEMBER(fID, "id", BString);
PROMOTEMEMBER(fClass, "class", BString);
PROMOTEMEMBER(fLink, "link", BString);
PROMOTEMEMBER(fState, "state", SVGState);
PROMOTEMEMBER(fRenderState, "renderstate", SVGState);
PROMOTEMEMBER(fParent, "parent", BSVGView *);
PROMOTEMEMBER(fParentElement, "parentelement", BSVGElement *);
PROMOTEMEMBER(fElements, "elements", ElementList);
PROMOTEMEMBER(fVisible, "visible", bool);
PROMOTEMEMBER(fOpen, "open", bool);
printf("can't promote down member: unknown member\n");
}
void
BSVGElement::SetParent(BSVGView *parent)
{
fParent = parent;
}
BSVGView *
BSVGElement::Parent()
{
return fParent;
}
void
BSVGElement::SetID(const char *id)
{
fID = id;
}
void
BSVGElement::SetID(const BString &id)
{
fID = id;
}
BString
BSVGElement::ID()
{
return fID;
}
void
BSVGElement::AddID(BString &to)
{
if (fID != "")
to << " id=\"" << fID << "\"";
if (fClass != "")
to << " class=\"" << fClass << "\"";
}
void
BSVGElement::SetClass(const char *_class)
{
fClass = _class;
}
void
BSVGElement::SetClass(const BString &_class)
{
fClass = _class;
}
BString
BSVGElement::Class()
{
return fClass;
}
void
BSVGElement::SetLink(const char *link)
{
fLink = link;
}
void
BSVGElement::SetLink(const BString &link)
{
fLink = link;
}
BString
BSVGElement::Link()
{
return fLink;
}
void
BSVGElement::SetVisible(bool visible)
{
fVisible = visible;
}
bool
BSVGElement::Visible()
{
return fVisible;
}
// attributes
void
BSVGElement::HandleAttribute(attribute_s *attr)
{
float val = 0;
UnitHandler::Handle(attr, &val, &fState, fState.general_viewport.Width());
//printf("%s: \"%s\"\n", attr->id.String(), attr->value.String());
if (attr->id.Compare("id") == 0) {
SetID(attr->value);
} else if (attr->id.Compare("class") == 0) {
SetClass(attr->value);
} else if (attr->id.Compare("stroke-width") == 0) {
fState.stroke_width = val;
} else if (attr->id.Compare("stroke-linecap") == 0) {
bool error = false;
cap_mode mode = B_BUTT_CAP;
if (attr->value.Compare("butt") == 0)
mode = B_BUTT_CAP;
else if (attr->value.Compare("round") == 0)
mode = B_ROUND_CAP;
else if (attr->value.Compare("square") == 0)
mode = B_SQUARE_CAP;
else
error = true;
if (!error)
fState.stroke_linecap = mode;
} else if (attr->id.Compare("stroke-linejoin") == 0) {
bool error = false;
join_mode mode = B_MITER_JOIN;
if (attr->value.Compare("miter") == 0)
mode = B_MITER_JOIN;
else if (attr->value.Compare("round") == 0)
mode = B_ROUND_JOIN;
else if (attr->value.Compare("bevel") == 0)
mode = B_BEVEL_JOIN;
else
error = true;
if (!error)
fState.stroke_linejoin = mode;
} else if (attr->id.Compare("stroke-miterlimit") == 0) {
fState.stroke_miterlimit = val;
} else if (attr->id.Compare("stroke-opacity") == 0) {
UnitHandler::Handle(attr, &val, &fState, 255);
fState.stroke_opacity = val;
} else if (attr->id.Compare("stroke") == 0) {
SVGColor color;
BString server;
paint_t type = HandleAttributeValue(&attr->value, B_TARGET_STROKE, (fParentElement ? fParentElement->State() : NULL), color, server);
switch (type) {
case B_FILL_CURRENT_COLOR: // handled on rendertime
case B_FILL_UNKNOWN:
case B_FILL_NONE: break;
case B_FILL_COLOR: fState.stroke_color = color; break;
case B_FILL_SERVER: fState.stroke_server = server; break;
}
fState.stroke_type = type;
} else if (attr->id.Compare("fill-opacity") == 0) {
UnitHandler::Handle(attr, &val, &fState, 255);
fState.fill_opacity = val;
} else if (attr->id.Compare("fill") == 0) {
SVGColor color;
BString server;
paint_t type = HandleAttributeValue(&attr->value, B_TARGET_FILL, (fParentElement ? fParentElement->State() : NULL), color, server);
switch (type) {
case B_FILL_CURRENT_COLOR: // handled on rendertime
case B_FILL_UNKNOWN:
case B_FILL_NONE: break;
case B_FILL_COLOR: fState.fill_color = color; break;
case B_FILL_SERVER: fState.fill_server = server; break;
}
fState.fill_type = type;
} else if (attr->id.Compare("fill-rule") == 0) {
bool error = false;
rule_t rule = B_NONZERO;
if (attr->value.Compare("nonzero") == 0)
rule = B_NONZERO;
else if (attr->value.Compare("evenodd") == 0)
rule = B_EVENODD;
else
error = true;
if (!error)
fState.fill_rule = rule;
} else if (attr->id.Compare("opacity") == 0) {
UnitHandler::Handle(attr, &val, &fState, 255);
fState.general_opacity = val;
fState.fill_opacity = val;
fState.stroke_opacity = val;
fState.stop_opacity = val;
} else if (attr->id.Compare("transform") == 0) {
fState.general_transform = BSVGView::HandleTransformation(attr->value);
} else if (attr->id.Compare("clip-rule") == 0) {
// todo
} else if (attr->id.Compare("color") == 0) {
SVGColor color;
BString server;
paint_t type = HandleAttributeValue(&attr->value, B_TARGET_GENERAL, (fParentElement ? fParentElement->State() : NULL), color, server);
if (type == B_FILL_COLOR || type == B_FILL_CURRENT_COLOR)
fState.general_color = color;
} else if (attr->id.Compare("stop-color") == 0) {
SVGColor color;
BString server;
paint_t type = HandleAttributeValue(&attr->value, B_TARGET_STOP, (fParentElement ? fParentElement->State() : NULL), color, server);
if (type == B_FILL_COLOR || type == B_FILL_CURRENT_COLOR)
fState.stop_color = color.Color();
} else if (attr->id.Compare("stop-opacity") == 0) {
UnitHandler::Handle(attr, &val, &fState, 255);
fState.stop_opacity = val;
} else if (attr->id.Compare("font-family") == 0) {
fState.font_family = attr->value;
} else if (attr->id.Compare("font-size") == 0) {
fState.font_size = val;
} else if (attr->id.Compare("kerning") == 0) {
fState.font_kerning = val;
} else if (attr->id.Compare("letter-spacing") == 0) {
fState.font_letterspacing = val;
} else if (attr->id.Compare("word-spacing") == 0) {
fState.font_wordspacing = val;
} else if (attr->id.Compare("text-anchor") == 0) {
bool error = false;
anchor_t anchor = B_ANCHOR_START;
if (attr->value.Compare("start") == 0)
anchor = B_ANCHOR_START;
else if (attr->value.Compare("middle") == 0)
anchor = B_ANCHOR_MIDDLE;
else if (attr->value.Compare("end") == 0)
anchor = B_ANCHOR_END;
else
error = true;
if (!error)
fState.text_anchor = anchor;
} else if (attr->id.Compare("viewBox") == 0) {
float vals[4];
int count = sscanf(attr->value.String(), "%f %f %f %f", vals, vals + 1, vals + 2, vals + 3);
if (count == 4)
fState.general_viewbox = BRect(vals[0], vals[1], vals[2], vals[3]);
} else if (attr->id.Compare("preserveAspectRatio") == 0) {
const char *string = attr->value.String();
char buffer[50];
int32 aspect = ASPECT_NONE;
if (sscanf(string, "%s", buffer) == 1) {
if (strstr(buffer, "defer") >= string) {
string += 5;
sscanf(string, "%s", buffer);
}
if (strncmp(buffer, "none", 4) != 0) {
if (strncmp(&buffer[0], "xMin", 4) == 0)
aspect += ASPECT_XMIN;
else if (strncmp(&buffer[0], "xMid", 4) == 0)
aspect += ASPECT_XMID;
else if (strncmp(&buffer[0], "xMax", 4) == 0)
aspect += ASPECT_XMAX;
if (strncmp(&buffer[4], "YMin", 4) == 0)
aspect += ASPECT_YMIN;
else if (strncmp(&buffer[4], "YMid", 4) == 0)
aspect += ASPECT_YMID;
else if (strncmp(&buffer[4], "YMax", 4) == 0)
aspect += ASPECT_YMAX;
if (sscanf(string, "%*s %s", buffer) > 0) {
if (strncmp(buffer, "meet", 4) == 0)
aspect += ASPECT_MEET;
else if (strncmp(buffer, "slice", 5) == 0)
aspect += ASPECT_SLICE;
}
}
fState.general_aspect = (aspect_t)aspect;
}
} else if (attr->id.Compare("xlink:href") == 0) {
// + 1 = strip the #
SetLink(attr->value.String() + 1);
}
}
void
BSVGElement::HandleAttributes()
{
for (int i = 0; i < fAttributes.CountItems(); i++)
HandleAttribute(fAttributes.ItemAt(i));
}
void
BSVGElement::AddAttribute(attribute_s *attr, bool handle)
{
if (!attr)
return;
if (attr->id.Compare("style") == 0) {
StyleParser parser(attr->value);
attribute_s *attr;
while ((attr = parser.GetNext())) {
AddAttribute(attr, handle);
}
delete attr;
return;
}
if (!fAttributeNames.BinaryInsertUnique(attr, &AttributeCompareByID)) {
attribute_s *present = FindAttributeByName(attr->id);
if (present) {
present->value = attr->value;
delete attr;
attr = present;
fAttributeValues.BinaryInsert(attr, &AttributeCompareByValue);
fAttributes.RemoveItem(attr, false);
fAttributes.AddItem(attr);
}
} else {
fAttributeValues.BinaryInsert(attr, &AttributeCompareByValue);
fAttributes.AddItem(attr);
}
if (handle)
HandleAttribute(attr);
}
void
BSVGElement::RemoveAttribute(attribute_s *attr)
{
fAttributes.RemoveItem(attr);
}
attribute_s *
BSVGElement::RemoveAttributeAt(int32 index)
{
return fAttributes.RemoveItemAt(index);
}
void
BSVGElement::ClearAttributes()
{
fAttributes.MakeEmpty();
}
attribute_s *
BSVGElement::AttributeAt(int32 index)
{
return fAttributes.ItemAt(index);
}
int32
BSVGElement::IndexOf(attribute_s *attr)
{
return fAttributes.IndexOf(attr);
}
int32
BSVGElement::CountAttributes()
{
return fAttributes.CountItems();
}
attribute_s *
BSVGElement::FindAttributeByName(const BString &name)
{
attribute_s attr(name, BString(""));
return const_cast<attribute_s *>(fAttributeNames.BinarySearch(attr, &AttributeCompareByID));
}
attribute_s *
BSVGElement::FindAttributeByValue(const BString &value)
{
attribute_s attr(BString(""), value);
return const_cast<attribute_s *>(fAttributeValues.BinarySearch(attr, &AttributeCompareByValue));
}
bool
BSVGElement::HasAttribute(const BString &name)
{
return FindAttributeByName(name) != NULL;
}
// elements
void
BSVGElement::OpenElement()
{
fOpen = true;
}
void
BSVGElement::CloseElement()
{
fOpen = false;
}
bool
BSVGElement::IsOpen()
{
return fOpen;
}
void
BSVGElement::AddElement(BSVGElement *element, int32 index)
{
element->SetParentElement(this);
if ((element->Type() & B_SVG_CONTAINER_KIND) == 0
&& (element->Type() & B_SVG_TEXT_KIND) == 0)
element->CloseElement();
if (index >= 0)
fElements.AddItem(element, index);
else
fElements.AddItem(element);
}
int32
BSVGElement::CountElements(bool deep)
{
if (!deep)
return fElements.CountItems();
int32 count = fElements.CountItems();
for (int i = 0; i < fElements.CountItems(); i++)
count += fElements.ItemAt(i)->CountElements();
// we are not inside another element
if (!fParentElement)
count++;
return count;
}
BSVGElement *
BSVGElement::FindElement(const BString &id, uint32 of_type, bool deep)
{
//printf("name: %s; search: %s\n", fName.String(), name.String());
if (fID == id && (of_type == 0 || of_type & Type() & 0x0fffffff))
return this;
if (!deep) {
for (int i = 0; i < fElements.CountItems(); i++) {
BSVGElement *element = fElements.ItemAt(i);
if (element && (of_type == 0 || of_type & element->Type() & 0x0fffffff))
return element;
}
return NULL;
}
for (int i = 0; i < fElements.CountItems(); i++) {
BSVGElement *element = fElements.ItemAt(i)->FindElement(id);
if (element && (of_type == 0 || of_type & element->Type() & 0x0fffffff))
return element;
}
return NULL;
}
status_t
BSVGElement::FindElements(const BString &_class, ElementList &elements)
{
//printf("name: %s; search: %s\n", fName.String(), name.String());
if (fClass == _class)
elements.AddItem(this);
for (int i = 0; i < fElements.CountItems(); i++)
fElements.ItemAt(i)->FindElements(_class, elements);
return B_OK;
}
BSVGElement *
BSVGElement::FindParentElement(uint32 of_type)
{
BSVGElement *parent = this;
while (parent) {
parent = parent->ParentElement();
if (!parent)
return NULL;
if (of_type == 0 || (of_type & parent->Type() & 0x0fffffff))
return parent;
}
printf("e\n");
return NULL;
}
BSVGElement *
BSVGElement::ElementAt(int index, bool deep)
{
if (!deep) {
if (index >= fElements.CountItems())
return NULL;
return fElements.ItemAt(index);
}
BSVGElement *result = NULL;
ElementAtInternal(index, result);
return result;
}
int32
BSVGElement::ElementAtInternal(int32 index, BSVGElement *&result)
{
if (index == -1) {
result = this;
return index;
}
int32 count = fElements.CountItems();
for (int i = 0; i < count && index >= 0; i++)
index = fElements.ItemAt(i)->ElementAtInternal(index - 1, result);
return index;
}
int32
BSVGElement::IndexOf(BSVGElement *child, bool deep)
{
if (!deep)
return fElements.IndexOf(child);
int32 result = 0;
if (IndexOfInternal(child, &result))
return result;
return -1;
}
bool
BSVGElement::IndexOfInternal(BSVGElement *child, int32 *result)
{
int32 index = fElements.IndexOf(child);
if (index >= 0) {
*result += index;
return true;
}
for (int i = 0; i < fElements.CountItems(); i++) {
if (fElements.ItemAt(i)->IndexOfInternal(child, result))
return true;
}
result += fElements.CountItems();
return false;
}
BSVGElement *
BSVGElement::RemoveElement(const BString &name, bool deep)
{
BSVGElement *element = FindElement(name, 0, deep);
if (element)
return RemoveElement(element);
return NULL;
}
BSVGElement *
BSVGElement::RemoveElement(BSVGElement *element, bool deep)
{
for (int i = 0; i < fElements.CountItems(); i++) {
if (fElements.ItemAt(i) == element)
return fElements.RemoveItemAt(i);
}
if (!deep)
return NULL;
for (int i = 0; i < fElements.CountItems(); i++) {
BSVGElement *elem = fElements.ItemAt(i)->RemoveElement(element);
if (elem)
return elem;
}
return NULL;
}
BSVGElement *
BSVGElement::RemoveElementAt(int index, bool deep)
{
if (!deep) {
if (index >= fElements.CountItems())
return NULL;
return fElements.RemoveItemAt(index);
}
BSVGElement *element = ElementAt(index, deep);
if (element) {
BSVGElement *parent = element->ParentElement();
if (parent)
parent->fElements.RemoveItem(element, false);
return element;
}
return NULL;
}
BSVGElement *
BSVGElement::RemoveSelf()
{
if (!fParentElement)
return this;
return fParentElement->RemoveElement(this, false);
}
BSVGElement *
BSVGElement::LastElement()
{
if (fElements.CountItems() == 0)
return this;
return fElements.LastItem()->LastElement();
}
BSVGElement *
BSVGElement::LastContainer()
{