add shape flatten so they work properly in pictures

add flatten/unflatten to matrix



git-svn-id: http://skia.googlecode.com/svn/trunk@242 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 14 insertions, 0 deletions

diff --git a/src/core/SkMatrix.cpp b/src/core/SkMatrix.cpp
index ac5ae926e0..48fa804d9b 100644
--- a/src/core/SkMatrix.cpp
+++ b/src/core/SkMatrix.cpp
@@ -1582,6 +1582,20 @@ bool SkMatrix::setPolyToPoly(const SkPoint src[], const SkPoint dst[],
 
 ///////////////////////////////////////////////////////////////////////////////
 
+uint32_t SkMatrix::flatten(void* buffer) const {
+    // TODO write less for simple matrices
+    if (buffer) {
+        memcpy(buffer, fMat, 9 * sizeof(SkScalar));
+    }
+    return 9 * sizeof(SkScalar);
+}
+
+uint32_t SkMatrix::unflatten(const void* buffer) {
+    memcpy(fMat, buffer, 9 * sizeof(SkScalar));
+    this->setTypeMask(kUnknown_Mask);
+    return 9 * sizeof(SkScalar);
+}
+
 void SkMatrix::dump() const {
     SkString str;
     this->toDumpString(&str);