[WIP] Add Context to SkDrawLooper.

src/core/SkDrawLooper.cpp

Index: src/core/SkDrawLooper.cpp
diff --git a/src/core/SkDrawLooper.cpp b/src/core/SkDrawLooper.cpp
index bac2d969c0505d318fe7881c638c1a4750544fd3..90b3434c512c198e3949888345003b883db7cb12 100644
--- a/src/core/SkDrawLooper.cpp
+++ b/src/core/SkDrawLooper.cpp
@@ -11,13 +11,21 @@
 #include "SkPaint.h"
 #include "SkRect.h"
 
+bool SkDrawLooper::next(SkCanvas* canvas, SkPaint* paint,
+                        DrawContext* context) const {
+    bool ret = next_internal(canvas, paint, context);

[scroggo, 2014/02/06 17:57:13]

this->next_internal (or onNext)

+    if (!ret)
+        delete context;

[scroggo, 2014/02/06 17:57:13]

SkDELETE

+    return ret;
+}
+
 bool SkDrawLooper::canComputeFastBounds(const SkPaint& paint) {
     SkCanvas canvas;
 
-    this->init(&canvas);
+    SkDrawLooper::DrawContext* context = this->init(&canvas);
     for (;;) {
         SkPaint p(paint);
-        if (this->next(&canvas, &p)) {
+        if (this->next(&canvas, &p, context)) {
             p.setLooper(NULL);
             if (!p.canComputeFastBounds()) {
                 return false;
@@ -34,10 +42,10 @@ void SkDrawLooper::computeFastBounds(const SkPaint& paint, const SkRect& src,
     SkCanvas canvas;
 
     *dst = src;   // catch case where there are no loops
-    this->init(&canvas);
+    SkDrawLooper::DrawContext* context = this->init(&canvas);
     for (bool firstTime = true;; firstTime = false) {
         SkPaint p(paint);
-        if (this->next(&canvas, &p)) {
+        if (this->next(&canvas, &p, context)) {
             SkRect r(src);
 
             p.setLooper(NULL);