Fix a bunch of Coverity defects - class members not initialized in the constructor.

CID=14533,14036,9275,9271,4156,4153,4151,1666,1665,1618,1617,1616,1615

Review URL: https://codereview.appspot.com/5940049

git-svn-id: http://skia.googlecode.com/svn/trunk@3532 2bbb7eff-a529-9590-31e7-b0007b416f81

4 files changed, 9 insertions, 2 deletions

diff --git a/src/core/SkBitmapSampler.cpp b/src/core/SkBitmapSampler.cpp
index 37cbc5a058..4c05be27c4 100644
--- a/src/core/SkBitmapSampler.cpp
+++ b/src/core/SkBitmapSampler.cpp
@@ -234,6 +234,7 @@ class A8_Bilinear_Sampler : public SkBitmapSampler {
 public:
     A8_Bilinear_Sampler(const SkBitmap& bm, SkShader::TileMode tmx, SkShader::TileMode tmy)
         : SkBitmapSampler(bm, true, tmx, tmy)
+        , fColor(0)
     {
         fProcTable = SkGetBilinearFilterProcTable();
     }
@@ -289,6 +290,7 @@ class A8_NoFilter_Sampler : public SkBitmapSampler {
 public:
     A8_NoFilter_Sampler(const SkBitmap& bm, SkShader::TileMode tmx, SkShader::TileMode tmy)
         : SkBitmapSampler(bm, false, tmx, tmy)
+        , fProcTable(NULL)
     {
     }
 
diff --git a/src/core/SkCubicClipper.cpp b/src/core/SkCubicClipper.cpp
index 662591fe2b..3db2feb34c 100644
--- a/src/core/SkCubicClipper.cpp
+++ b/src/core/SkCubicClipper.cpp
@@ -10,7 +10,9 @@
 #include "SkCubicClipper.h"
 #include "SkGeometry.h"
 
-SkCubicClipper::SkCubicClipper() {}
+SkCubicClipper::SkCubicClipper() {
+    fClip.setEmpty();
+}
 
 void SkCubicClipper::setClip(const SkIRect& clip) {
     // conver to scalars, since that's where we'll see the points
diff --git a/src/core/SkMMapStream.cpp b/src/core/SkMMapStream.cpp
index 0aec5e19d2..1579044dc8 100644
--- a/src/core/SkMMapStream.cpp
+++ b/src/core/SkMMapStream.cpp
@@ -15,6 +15,7 @@
 SkMMAPStream::SkMMAPStream(const char filename[])
 {
     fAddr = NULL;   // initialize to failure case
+    fSize = 0;
 
     int fildes = open(filename, O_RDONLY);
     if (fildes < 0)
diff --git a/src/core/SkQuadClipper.cpp b/src/core/SkQuadClipper.cpp
index b79d5a2497..0c9c9add09 100644
--- a/src/core/SkQuadClipper.cpp
+++ b/src/core/SkQuadClipper.cpp
@@ -22,7 +22,9 @@ static inline void clamp_ge(SkScalar& value, SkScalar min) {
     }
 }
 
-SkQuadClipper::SkQuadClipper() {}
+SkQuadClipper::SkQuadClipper() {
+    fClip.setEmpty();
+}
 
 void SkQuadClipper::setClip(const SkIRect& clip) {
     // conver to scalars, since that's where we'll see the points