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      1 /* libs/graphics/svg/SkSVGElements.cpp
      2 **
      3 ** Copyright 2006, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 #include "SkSVGElements.h"
     19 #include "SkSVGParser.h"
     20 
     21 SkSVGBase::~SkSVGBase() {
     22 }
     23 
     24 void SkSVGBase::addAttribute(SkSVGParser& parser, int attrIndex,
     25         const char* attrValue, size_t attrLength) {
     26     SkString* first = (SkString*) ((char*) this + sizeof(SkSVGElement));
     27     first += attrIndex;
     28     first->set(attrValue, attrLength);
     29 }
     30 
     31 
     32 SkSVGElement::SkSVGElement() : fParent(NULL), fIsDef(false), fIsNotDef(true) {
     33 }
     34 
     35 SkSVGElement::~SkSVGElement() {
     36 }
     37 
     38 SkSVGElement* SkSVGElement::getGradient() {
     39     return NULL;
     40 }
     41 
     42 bool SkSVGElement::isGroupParent() {
     43     SkSVGElement* parent = fParent;
     44     while (parent) {
     45         if (parent->getType() != SkSVGType_G)
     46             return false;
     47         parent = parent->fParent;
     48     }
     49     return true;
     50 }
     51 
     52 bool SkSVGElement::isDef() {
     53     return isGroupParent() == false ? fParent->isDef() : fIsDef;
     54 }
     55 
     56 bool SkSVGElement::isFlushable() {
     57     return true;
     58 }
     59 
     60 bool SkSVGElement::isGroup() {
     61     return false;
     62 }
     63 
     64 bool SkSVGElement::isNotDef() {
     65     return isGroupParent() == false ? fParent->isNotDef() : fIsNotDef;
     66 }
     67 
     68 bool SkSVGElement::onEndElement(SkSVGParser& parser) {
     69     if (f_id.size() > 0)
     70         parser.getIDs().set(f_id.c_str(), f_id.size(), this);
     71     return false;
     72 }
     73 
     74 bool SkSVGElement::onStartElement(SkSVGElement* child) {
     75     *fChildren.append() = child;
     76     return false;
     77 }
     78 
     79 void SkSVGElement::translate(SkSVGParser& parser, bool) {
     80     if (f_id.size() > 0)
     81         SVG_ADD_ATTRIBUTE(id);
     82 }
     83 
     84 void SkSVGElement::setIsDef() {
     85     fIsDef = isDef();
     86 }
     87 
     88 //void SkSVGElement::setIsNotDef() {
     89 //  fIsNotDef = isNotDef();
     90 //}
     91 
     92 void SkSVGElement::write(SkSVGParser& , SkString& ) {
     93     SkASSERT(0);
     94 }
     95 
     96 
     97