add SkData::NewFromCString()

git-svn-id: http://skia.googlecode.com/svn/trunk@4383 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 16 insertions, 0 deletions

diff --git a/src/core/SkData.cpp b/src/core/SkData.cpp
index 495da8886e..2653f327c0 100644
--- a/src/core/SkData.cpp
+++ b/src/core/SkData.cpp
@@ -25,6 +25,14 @@ SkData::~SkData() {
     }
 }
 
+bool SkData::equals(const SkData* other) const {
+    if (NULL == other) {
+        return false;
+    }
+
+    return fSize == other->fSize && !memcmp(fPtr, other->fPtr, fSize);
+}
+
 size_t SkData::copyRange(size_t offset, size_t length, void* buffer) const {
     size_t available = fSize;
     if (offset >= available || 0 == length) {
@@ -103,3 +111,11 @@ SkData* SkData::NewSubset(const SkData* src, size_t offset, size_t length) {
                          const_cast<SkData*>(src));
 }
 
+SkData* SkData::NewWithCString(const char cstr[]) {
+    if (NULL == cstr || 0 == cstr[0]) {
+        return NewEmpty();
+    } else {
+        return NewWithCopy(cstr, strlen(cstr));
+    }
+}
+