grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 302 insertions, 0 deletions

diff --git a/src/animator/SkMatrixParts.cpp b/src/animator/SkMatrixParts.cpp
new file mode 100644
index 0000000000..56bb2d0b73
--- /dev/null
+++ b/src/animator/SkMatrixParts.cpp
@@ -0,0 +1,302 @@
+/* libs/graphics/animator/SkMatrixParts.cpp
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#include "SkMatrixParts.h"
+#include "SkAnimateMaker.h"
+#include "SkDrawMatrix.h"
+#include "SkDrawRectangle.h"
+#include "SkDrawPath.h"
+
+SkMatrixPart::SkMatrixPart() : fMatrix(NULL) {
+}
+
+void SkMatrixPart::dirty() { 
+    fMatrix->dirty(); 
+}
+
+SkDisplayable* SkMatrixPart::getParent() const {
+    return fMatrix;
+}
+
+bool SkMatrixPart::setParent(SkDisplayable* parent) {
+    SkASSERT(parent != NULL);
+    if (parent->isMatrix() == false)
+        return true;
+    fMatrix = (SkDrawMatrix*) parent;
+    return false;
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkRotate::fInfo[] = {
+    SK_MEMBER(center, Point),
+    SK_MEMBER(degrees, Float)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkRotate);
+
+SkRotate::SkRotate() : degrees(0) { 
+    center.fX = center.fY = 0; 
+}
+
+bool SkRotate::add() {
+    fMatrix->rotate(degrees, center);
+    return false;
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkScale::fInfo[] = {
+    SK_MEMBER(center, Point),
+    SK_MEMBER(x, Float),
+    SK_MEMBER(y, Float)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkScale);
+
+SkScale::SkScale() : x(SK_Scalar1), y(SK_Scalar1) { 
+    center.fX = center.fY = 0; 
+}
+
+bool SkScale::add() {
+    fMatrix->scale(x, y, center);   
+    return false;
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkSkew::fInfo[] = {
+    SK_MEMBER(center, Point),
+    SK_MEMBER(x, Float),
+    SK_MEMBER(y, Float)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkSkew);
+
+SkSkew::SkSkew() : x(0), y(0) { 
+    center.fX = center.fY = 0; 
+}
+
+bool SkSkew::add() {
+    fMatrix->skew(x, y, center);    
+    return false;
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkTranslate::fInfo[] = {
+    SK_MEMBER(x, Float),
+    SK_MEMBER(y, Float)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkTranslate);
+
+SkTranslate::SkTranslate() : x(0), y(0) {
+}
+
+bool SkTranslate::add() {
+    fMatrix->translate(x, y);   
+    return false;
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkFromPath::fInfo[] = {
+    SK_MEMBER(mode, FromPathMode),
+    SK_MEMBER(offset, Float),
+    SK_MEMBER(path, Path)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkFromPath);
+
+SkFromPath::SkFromPath() : 
+    mode(0), offset(0), path(NULL) {
+}
+
+SkFromPath::~SkFromPath() {
+}
+
+bool SkFromPath::add() {
+    if (path == NULL)
+        return true;
+    static const uint8_t gFlags[] = {
+        SkPathMeasure::kGetPosAndTan_MatrixFlag,    // normal
+        SkPathMeasure::kGetTangent_MatrixFlag,      // angle
+        SkPathMeasure::kGetPosition_MatrixFlag      // position
+    };
+    if ((unsigned)mode >= SK_ARRAY_COUNT(gFlags))
+        return true;
+    SkMatrix result;
+    fPathMeasure.setPath(&path->getPath(), false);
+    if (fPathMeasure.getMatrix(offset, &result, (SkPathMeasure::MatrixFlags)gFlags[mode]))
+        fMatrix->set(result);
+    return false;
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkRectToRect::fInfo[] = {
+    SK_MEMBER(destination, Rect),
+    SK_MEMBER(source, Rect)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkRectToRect);
+
+SkRectToRect::SkRectToRect() : 
+    source(NULL), destination(NULL) {
+}
+
+SkRectToRect::~SkRectToRect() {
+}
+
+bool SkRectToRect::add() {
+    if (source == NULL || destination == NULL)
+        return true;
+    SkMatrix temp;
+    temp.setRectToRect(source->fRect, destination->fRect,
+                       SkMatrix::kFill_ScaleToFit);
+    fMatrix->set(temp);
+    return false;
+}
+
+#ifdef SK_DUMP_ENABLED
+void SkRectToRect::dump(SkAnimateMaker* maker) {
+    dumpBase(maker);
+    SkDebugf("/>\n");
+    SkDisplayList::fIndent += 4;
+    if (source) {
+        SkDebugf("%*s<source>\n", SkDisplayList::fIndent, "");
+        SkDisplayList::fIndent += 4;
+        source->dump(maker);
+        SkDisplayList::fIndent -= 4;
+        SkDebugf("%*s</source>\n", SkDisplayList::fIndent, "");
+    }
+    if (destination) {
+        SkDebugf("%*s<destination>\n", SkDisplayList::fIndent, "");
+        SkDisplayList::fIndent += 4;
+        destination->dump(maker);
+        SkDisplayList::fIndent -= 4;
+        SkDebugf("%*s</destination>\n", SkDisplayList::fIndent, "");        
+    }
+    SkDisplayList::fIndent -= 4;
+    dumpEnd(maker);
+}
+#endif
+
+const SkMemberInfo* SkRectToRect::preferredChild(SkDisplayTypes ) {
+    if (source == NULL)
+        return getMember("source"); // !!! cwap! need to refer to member through enum like kScope instead
+    else {
+        SkASSERT(destination == NULL);
+        return getMember("destination");
+    }
+}
+
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkPolyToPoly::fInfo[] = {
+    SK_MEMBER(destination, Polygon),
+    SK_MEMBER(source, Polygon)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkPolyToPoly);
+
+SkPolyToPoly::SkPolyToPoly() : source(NULL), destination(NULL) {
+}
+
+SkPolyToPoly::~SkPolyToPoly() {
+}
+
+bool SkPolyToPoly::add() {
+    SkASSERT(source);
+    SkASSERT(destination);
+    SkPoint src[4];
+    SkPoint dst[4];
+    SkPath& sourcePath = source->getPath();
+    int srcPts = sourcePath.getPoints(src, 4);
+    SkPath& destPath = destination->getPath();
+    int dstPts = destPath.getPoints(dst, 4);
+    if (srcPts != dstPts)
+        return true;
+    SkMatrix temp;
+    temp.setPolyToPoly(src, dst, srcPts);
+    fMatrix->set(temp);
+    return false;
+}
+
+#ifdef SK_DUMP_ENABLED
+void SkPolyToPoly::dump(SkAnimateMaker* maker) {
+    dumpBase(maker);
+    SkDebugf("/>\n");
+    SkDisplayList::fIndent += 4;
+    if (source) {
+        SkDebugf("%*s<source>\n", SkDisplayList::fIndent, "");
+        SkDisplayList::fIndent += 4;
+        source->dump(maker);
+        SkDisplayList::fIndent -= 4;
+        SkDebugf("%*s</source>\n", SkDisplayList::fIndent, "");
+    }
+    if (destination) {
+        SkDebugf("%*s<destination>\n", SkDisplayList::fIndent, "");
+        SkDisplayList::fIndent += 4;
+        destination->dump(maker);
+        SkDisplayList::fIndent -= 4;
+        SkDebugf("%*s</destination>\n", SkDisplayList::fIndent, "");        
+    }
+    SkDisplayList::fIndent -= 4;
+    dumpEnd(maker);
+}
+#endif
+
+void SkPolyToPoly::onEndElement(SkAnimateMaker& ) {
+    SkASSERT(source);
+    SkASSERT(destination);
+    if (source->childHasID() || destination->childHasID())
+        fMatrix->setChildHasID();
+}
+
+const SkMemberInfo* SkPolyToPoly::preferredChild(SkDisplayTypes ) {
+    if (source == NULL)
+        return getMember("source"); // !!! cwap! need to refer to member through enum like kScope instead
+    else {
+        SkASSERT(destination == NULL);
+        return getMember("destination");
+    }
+}
+
+