michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "SkDrawPath.h"
michael@0: #include "SkAnimateMaker.h"
michael@0: #include "SkCanvas.h"
michael@0: #include "SkMath.h"
michael@0: #include "SkMatrixParts.h"
michael@0: #include "SkPaint.h"
michael@0: #include "SkPathParts.h"
michael@0: 
michael@0: enum SkPath_Properties {
michael@0:     SK_PROPERTY(fillType),
michael@0:     SK_PROPERTY(length)
michael@0: };
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkDrawPath::fInfo[] = {
michael@0:     SK_MEMBER(d, String),
michael@0:     SK_MEMBER_PROPERTY(fillType, FillType),
michael@0:     SK_MEMBER_PROPERTY(length, Float)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkDrawPath);
michael@0: 
michael@0: SkDrawPath::SkDrawPath()
michael@0: {
michael@0:     fParent = NULL;
michael@0:     fLength = SK_ScalarNaN;
michael@0:     fChildHasID = false;
michael@0:     fDirty = false;
michael@0: }
michael@0: 
michael@0: SkDrawPath::~SkDrawPath() {
michael@0:     for (SkPathPart** part = fParts.begin(); part < fParts.end();  part++)
michael@0:         delete *part;
michael@0: }
michael@0: 
michael@0: bool SkDrawPath::addChild(SkAnimateMaker& maker, SkDisplayable* child) {
michael@0:     SkASSERT(child && child->isPathPart());
michael@0:     SkPathPart* part = (SkPathPart*) child;
michael@0:     *fParts.append() = part;
michael@0:     if (part->add())
michael@0:         maker.setErrorCode(SkDisplayXMLParserError::kErrorAddingToPath);
michael@0:     fDirty = false;
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: bool SkDrawPath::childrenNeedDisposing() const {
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: void SkDrawPath::dirty() {
michael@0:     fDirty = true;
michael@0:     fLength = SK_ScalarNaN;
michael@0:     if (fParent)
michael@0:         fParent->dirty();
michael@0: }
michael@0: 
michael@0: bool SkDrawPath::draw(SkAnimateMaker& maker) {
michael@0:     SkPath& path = getPath();
michael@0:     SkBoundableAuto boundable(this, maker);
michael@0:     maker.fCanvas->drawPath(path, *maker.fPaint);
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: SkDisplayable* SkDrawPath::getParent() const {
michael@0:     return fParent;
michael@0: }
michael@0: 
michael@0: #ifdef SK_DUMP_ENABLED
michael@0: void SkDrawPath::dump(SkAnimateMaker* maker) {
michael@0:     dumpBase(maker);
michael@0:     dumpAttrs(maker);
michael@0:     bool closedYet = false;
michael@0:     SkDisplayList::fIndent += 4;
michael@0:     for(SkPathPart** part = fParts.begin(); part < fParts.end(); part++) {
michael@0:         if (closedYet == false) {
michael@0:             SkDebugf(">\n");
michael@0:             closedYet = true;
michael@0:         }
michael@0:         (*part)->dump(maker);
michael@0:     }
michael@0:     SkDisplayList::fIndent -= 4;
michael@0:     if (closedYet)
michael@0:         dumpEnd(maker);
michael@0:     else
michael@0:         SkDebugf("/>\n");
michael@0: }
michael@0: #endif
michael@0: 
michael@0: SkPath& SkDrawPath::getPath() {
michael@0:     if (fDirty == false)
michael@0:         return fPath;
michael@0:     if (d.size() > 0)
michael@0:     {
michael@0:         parseSVG();
michael@0:         d.reset();
michael@0:     }
michael@0:     else
michael@0:     {
michael@0:         fPath.reset();
michael@0:         for (SkPathPart** part = fParts.begin(); part < fParts.end();  part++)
michael@0:             (*part)->add();
michael@0:     }
michael@0:     fDirty = false;
michael@0:     return fPath;
michael@0: }
michael@0: 
michael@0: void SkDrawPath::onEndElement(SkAnimateMaker& ) {
michael@0:     if (d.size() > 0) {
michael@0:         parseSVG();
michael@0:         d.reset();
michael@0:         fDirty = false;
michael@0:         return;
michael@0:     }
michael@0:     if (fChildHasID == false) {
michael@0:         for (SkPathPart** part = fParts.begin(); part < fParts.end();  part++)
michael@0:             delete *part;
michael@0:         fParts.reset();
michael@0:         fDirty = false;
michael@0:     }
michael@0: }
michael@0: 
michael@0: bool SkDrawPath::getProperty(int index, SkScriptValue* value) const {
michael@0:     switch (index) {
michael@0:         case SK_PROPERTY(length):
michael@0:             if (SkScalarIsNaN(fLength)) {
michael@0:                 const SkPath& path = ((SkDrawPath*) this)->getPath();
michael@0:                 SkPathMeasure pathMeasure(path, false);
michael@0:                 fLength = pathMeasure.getLength();
michael@0:             }
michael@0:             value->fType = SkType_Float;
michael@0:             value->fOperand.fScalar = fLength;
michael@0:             break;
michael@0:         case SK_PROPERTY(fillType):
michael@0:             value->fType = SkType_FillType;
michael@0:             value->fOperand.fS32 = (int) fPath.getFillType();
michael@0:             break;
michael@0:         default:
michael@0:             SkASSERT(0);
michael@0:             return false;
michael@0:     }
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: void SkDrawPath::setChildHasID() {
michael@0:     fChildHasID = true;
michael@0: }
michael@0: 
michael@0: bool SkDrawPath::setParent(SkDisplayable* parent) {
michael@0:     fParent = parent;
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: bool SkDrawPath::setProperty(int index, SkScriptValue& value)
michael@0: {
michael@0:     switch (index) {
michael@0:         case SK_PROPERTY(fillType):
michael@0:             SkASSERT(value.fType == SkType_FillType);
michael@0:             SkASSERT(value.fOperand.fS32 >= SkPath::kWinding_FillType &&
michael@0:                 value.fOperand.fS32 <= SkPath::kEvenOdd_FillType);
michael@0:             fPath.setFillType((SkPath::FillType) value.fOperand.fS32);
michael@0:             break;
michael@0:         default:
michael@0:             SkASSERT(0);
michael@0:             return false;
michael@0:     }
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkPolyline::fInfo[] = {
michael@0:     SK_MEMBER_ARRAY(points, Float)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkPolyline);
michael@0: 
michael@0: bool SkPolyline::addChild(SkAnimateMaker& , SkDisplayable*) {
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: void SkPolyline::onEndElement(SkAnimateMaker& maker) {
michael@0:     INHERITED::onEndElement(maker);
michael@0:     if (points.count() <= 0)
michael@0:         return;
michael@0:     fPath.reset();
michael@0:     fPath.moveTo(points[0], points[1]);
michael@0:     int count = points.count();
michael@0:     for (int index = 2; index < count; index += 2)
michael@0:         fPath.lineTo(points[index], points[index+1]);
michael@0: }
michael@0: 
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkPolygon::fInfo[] = {
michael@0:     SK_MEMBER_INHERITED
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkPolygon);
michael@0: 
michael@0: void SkPolygon::onEndElement(SkAnimateMaker& maker) {
michael@0:     INHERITED::onEndElement(maker);
michael@0:     fPath.close();
michael@0: }