Index: src/core/SkPathRef.cpp |
=================================================================== |
--- src/core/SkPathRef.cpp (revision 0) |
+++ src/core/SkPathRef.cpp (revision 0) |
@@ -0,0 +1,127 @@ |
+/* |
+ * Copyright 2013 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#include "SkBuffer.h" |
+#include "SkPath.h" |
+#include "SkPathRef.h" |
+ |
+SK_DEFINE_INST_COUNT(SkPathRef); |
+ |
+SkPoint* SkPathRef::Editor::growForVerb(int /*SkPath::Verb*/ verb) { |
+ fPathRef->validate(); |
+ return fPathRef->growForVerb(verb); |
+} |
+ |
+SkPoint* SkPathRef::Editor::growForConic(SkScalar w) { |
+ fPathRef->validate(); |
+ SkPoint* pts = fPathRef->growForVerb(SkPath::kConic_Verb); |
+ *fPathRef->fConicWeights.append() = w; |
+ return pts; |
+} |
+ |
+SkPoint* SkPathRef::growForVerb(int /* SkPath::Verb*/ verb) { |
+ this->validate(); |
+ int pCnt; |
+ switch (verb) { |
+ case SkPath::kMove_Verb: |
+ pCnt = 1; |
+ break; |
+ case SkPath::kLine_Verb: |
+ pCnt = 1; |
+ break; |
+ case SkPath::kQuad_Verb: |
+ // fall through |
+ case SkPath::kConic_Verb: |
+ pCnt = 2; |
+ break; |
+ case SkPath::kCubic_Verb: |
+ pCnt = 3; |
+ break; |
+ case SkPath::kClose_Verb: |
+ pCnt = 0; |
+ break; |
+ case SkPath::kDone_Verb: |
+ SkDEBUGFAIL("growForVerb called for kDone"); |
+ // fall through |
+ default: |
+ SkDEBUGFAIL("default is not reached"); |
+ pCnt = 0; |
+ } |
+ size_t space = sizeof(uint8_t) + pCnt * sizeof (SkPoint); |
+ this->makeSpace(space); |
+ this->fVerbs[~fVerbCnt] = verb; |
+ SkPoint* ret = fPoints + fPointCnt; |
+ fVerbCnt += 1; |
+ fPointCnt += pCnt; |
+ fFreeSpace -= space; |
+ fBoundsIsDirty = true; // this also invalidates fIsFinite |
+ this->validate(); |
+ return ret; |
+} |
+ |
+SkPathRef* SkPathRef::CreateFromBuffer(SkRBuffer* buffer |
+#ifndef DELETE_THIS_CODE_WHEN_SKPS_ARE_REBUILT_AT_V14_AND_ALL_OTHER_INSTANCES_TOO |
+ , bool newFormat, int32_t oldPacked |
+#endif |
+ ) { |
+ SkPathRef* ref = SkNEW(SkPathRef); |
+#ifndef DELETE_THIS_CODE_WHEN_SKPS_ARE_REBUILT_AT_V14_AND_ALL_OTHER_INSTANCES_TOO |
+ if (newFormat) { |
+#endif |
+ int32_t packed = buffer->readU32(); |
+ |
+ ref->fIsFinite = (packed >> kIsFinite_SerializationShift) & 1; |
+#ifndef DELETE_THIS_CODE_WHEN_SKPS_ARE_REBUILT_AT_V14_AND_ALL_OTHER_INSTANCES_TOO |
+ } else { |
+ ref->fIsFinite = (oldPacked >> SkPath::kOldIsFinite_SerializationShift) & 1; |
+ } |
+#endif |
+ |
+ ref->fGenerationID = buffer->readU32(); |
+ int32_t verbCount = buffer->readS32(); |
+ int32_t pointCount = buffer->readS32(); |
+ int32_t conicCount = buffer->readS32(); |
+ ref->resetToSize(verbCount, pointCount, conicCount); |
+ |
+ SkASSERT(verbCount == ref->countVerbs()); |
+ SkASSERT(pointCount == ref->countPoints()); |
+ SkASSERT(conicCount == ref->fConicWeights.count()); |
+ buffer->read(ref->verbsMemWritable(), verbCount * sizeof(uint8_t)); |
+ buffer->read(ref->fPoints, pointCount * sizeof(SkPoint)); |
+ buffer->read(ref->fConicWeights.begin(), conicCount * sizeof(SkScalar)); |
+ buffer->read(&ref->fBounds, sizeof(SkRect)); |
+ ref->fBoundsIsDirty = false; |
+ return ref; |
+} |
+ |
+/** |
+ * Writes the path points and verbs to a buffer. |
+ */ |
+void SkPathRef::writeToBuffer(SkWBuffer* buffer) { |
+ this->validate(); |
+ SkDEBUGCODE(size_t beforePos = buffer->pos();) |
+ |
+ // Call getBounds() to ensure (as a side-effect) that fBounds |
+ // and fIsFinite are computed. |
+ const SkRect& bounds = this->getBounds(); |
+ |
+ int32_t packed = ((fIsFinite & 1) << kIsFinite_SerializationShift); |
+ buffer->write32(packed); |
+ |
+ // TODO: write gen ID here. Problem: We don't know if we're cross process or not from |
+ // SkWBuffer. Until this is fixed we write 0. |
+ buffer->write32(0); |
+ buffer->write32(fVerbCnt); |
+ buffer->write32(fPointCnt); |
+ buffer->write32(fConicWeights.count()); |
+ buffer->write(verbsMemBegin(), fVerbCnt * sizeof(uint8_t)); |
+ buffer->write(fPoints, fPointCnt * sizeof(SkPoint)); |
+ buffer->write(fConicWeights.begin(), fConicWeights.bytes()); |
+ buffer->write(&bounds, sizeof(bounds)); |
+ |
+ SkASSERT(buffer->pos() - beforePos == (size_t) this->writeSize()); |
+} |
Property changes on: src\core\SkPathRef.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |