1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/animator/SkDrawPath.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,220 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2006 The Android Open Source Project
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#include "SkDrawPath.h"
1.14 +#include "SkAnimateMaker.h"
1.15 +#include "SkCanvas.h"
1.16 +#include "SkMath.h"
1.17 +#include "SkMatrixParts.h"
1.18 +#include "SkPaint.h"
1.19 +#include "SkPathParts.h"
1.20 +
1.21 +enum SkPath_Properties {
1.22 + SK_PROPERTY(fillType),
1.23 + SK_PROPERTY(length)
1.24 +};
1.25 +
1.26 +#if SK_USE_CONDENSED_INFO == 0
1.27 +
1.28 +const SkMemberInfo SkDrawPath::fInfo[] = {
1.29 + SK_MEMBER(d, String),
1.30 + SK_MEMBER_PROPERTY(fillType, FillType),
1.31 + SK_MEMBER_PROPERTY(length, Float)
1.32 +};
1.33 +
1.34 +#endif
1.35 +
1.36 +DEFINE_GET_MEMBER(SkDrawPath);
1.37 +
1.38 +SkDrawPath::SkDrawPath()
1.39 +{
1.40 + fParent = NULL;
1.41 + fLength = SK_ScalarNaN;
1.42 + fChildHasID = false;
1.43 + fDirty = false;
1.44 +}
1.45 +
1.46 +SkDrawPath::~SkDrawPath() {
1.47 + for (SkPathPart** part = fParts.begin(); part < fParts.end(); part++)
1.48 + delete *part;
1.49 +}
1.50 +
1.51 +bool SkDrawPath::addChild(SkAnimateMaker& maker, SkDisplayable* child) {
1.52 + SkASSERT(child && child->isPathPart());
1.53 + SkPathPart* part = (SkPathPart*) child;
1.54 + *fParts.append() = part;
1.55 + if (part->add())
1.56 + maker.setErrorCode(SkDisplayXMLParserError::kErrorAddingToPath);
1.57 + fDirty = false;
1.58 + return true;
1.59 +}
1.60 +
1.61 +bool SkDrawPath::childrenNeedDisposing() const {
1.62 + return false;
1.63 +}
1.64 +
1.65 +void SkDrawPath::dirty() {
1.66 + fDirty = true;
1.67 + fLength = SK_ScalarNaN;
1.68 + if (fParent)
1.69 + fParent->dirty();
1.70 +}
1.71 +
1.72 +bool SkDrawPath::draw(SkAnimateMaker& maker) {
1.73 + SkPath& path = getPath();
1.74 + SkBoundableAuto boundable(this, maker);
1.75 + maker.fCanvas->drawPath(path, *maker.fPaint);
1.76 + return false;
1.77 +}
1.78 +
1.79 +SkDisplayable* SkDrawPath::getParent() const {
1.80 + return fParent;
1.81 +}
1.82 +
1.83 +#ifdef SK_DUMP_ENABLED
1.84 +void SkDrawPath::dump(SkAnimateMaker* maker) {
1.85 + dumpBase(maker);
1.86 + dumpAttrs(maker);
1.87 + bool closedYet = false;
1.88 + SkDisplayList::fIndent += 4;
1.89 + for(SkPathPart** part = fParts.begin(); part < fParts.end(); part++) {
1.90 + if (closedYet == false) {
1.91 + SkDebugf(">\n");
1.92 + closedYet = true;
1.93 + }
1.94 + (*part)->dump(maker);
1.95 + }
1.96 + SkDisplayList::fIndent -= 4;
1.97 + if (closedYet)
1.98 + dumpEnd(maker);
1.99 + else
1.100 + SkDebugf("/>\n");
1.101 +}
1.102 +#endif
1.103 +
1.104 +SkPath& SkDrawPath::getPath() {
1.105 + if (fDirty == false)
1.106 + return fPath;
1.107 + if (d.size() > 0)
1.108 + {
1.109 + parseSVG();
1.110 + d.reset();
1.111 + }
1.112 + else
1.113 + {
1.114 + fPath.reset();
1.115 + for (SkPathPart** part = fParts.begin(); part < fParts.end(); part++)
1.116 + (*part)->add();
1.117 + }
1.118 + fDirty = false;
1.119 + return fPath;
1.120 +}
1.121 +
1.122 +void SkDrawPath::onEndElement(SkAnimateMaker& ) {
1.123 + if (d.size() > 0) {
1.124 + parseSVG();
1.125 + d.reset();
1.126 + fDirty = false;
1.127 + return;
1.128 + }
1.129 + if (fChildHasID == false) {
1.130 + for (SkPathPart** part = fParts.begin(); part < fParts.end(); part++)
1.131 + delete *part;
1.132 + fParts.reset();
1.133 + fDirty = false;
1.134 + }
1.135 +}
1.136 +
1.137 +bool SkDrawPath::getProperty(int index, SkScriptValue* value) const {
1.138 + switch (index) {
1.139 + case SK_PROPERTY(length):
1.140 + if (SkScalarIsNaN(fLength)) {
1.141 + const SkPath& path = ((SkDrawPath*) this)->getPath();
1.142 + SkPathMeasure pathMeasure(path, false);
1.143 + fLength = pathMeasure.getLength();
1.144 + }
1.145 + value->fType = SkType_Float;
1.146 + value->fOperand.fScalar = fLength;
1.147 + break;
1.148 + case SK_PROPERTY(fillType):
1.149 + value->fType = SkType_FillType;
1.150 + value->fOperand.fS32 = (int) fPath.getFillType();
1.151 + break;
1.152 + default:
1.153 + SkASSERT(0);
1.154 + return false;
1.155 + }
1.156 + return true;
1.157 +}
1.158 +
1.159 +void SkDrawPath::setChildHasID() {
1.160 + fChildHasID = true;
1.161 +}
1.162 +
1.163 +bool SkDrawPath::setParent(SkDisplayable* parent) {
1.164 + fParent = parent;
1.165 + return false;
1.166 +}
1.167 +
1.168 +bool SkDrawPath::setProperty(int index, SkScriptValue& value)
1.169 +{
1.170 + switch (index) {
1.171 + case SK_PROPERTY(fillType):
1.172 + SkASSERT(value.fType == SkType_FillType);
1.173 + SkASSERT(value.fOperand.fS32 >= SkPath::kWinding_FillType &&
1.174 + value.fOperand.fS32 <= SkPath::kEvenOdd_FillType);
1.175 + fPath.setFillType((SkPath::FillType) value.fOperand.fS32);
1.176 + break;
1.177 + default:
1.178 + SkASSERT(0);
1.179 + return false;
1.180 + }
1.181 + return true;
1.182 +}
1.183 +
1.184 +#if SK_USE_CONDENSED_INFO == 0
1.185 +
1.186 +const SkMemberInfo SkPolyline::fInfo[] = {
1.187 + SK_MEMBER_ARRAY(points, Float)
1.188 +};
1.189 +
1.190 +#endif
1.191 +
1.192 +DEFINE_GET_MEMBER(SkPolyline);
1.193 +
1.194 +bool SkPolyline::addChild(SkAnimateMaker& , SkDisplayable*) {
1.195 + return false;
1.196 +}
1.197 +
1.198 +void SkPolyline::onEndElement(SkAnimateMaker& maker) {
1.199 + INHERITED::onEndElement(maker);
1.200 + if (points.count() <= 0)
1.201 + return;
1.202 + fPath.reset();
1.203 + fPath.moveTo(points[0], points[1]);
1.204 + int count = points.count();
1.205 + for (int index = 2; index < count; index += 2)
1.206 + fPath.lineTo(points[index], points[index+1]);
1.207 +}
1.208 +
1.209 +
1.210 +#if SK_USE_CONDENSED_INFO == 0
1.211 +
1.212 +const SkMemberInfo SkPolygon::fInfo[] = {
1.213 + SK_MEMBER_INHERITED
1.214 +};
1.215 +
1.216 +#endif
1.217 +
1.218 +DEFINE_GET_MEMBER(SkPolygon);
1.219 +
1.220 +void SkPolygon::onEndElement(SkAnimateMaker& maker) {
1.221 + INHERITED::onEndElement(maker);
1.222 + fPath.close();
1.223 +}
