From 1119ad88e5e83b110dcfaba2a7dde35d8118f9d0 Mon Sep 17 00:00:00 2001
From: Tj Holowaychuk <tj@vision-media.ca>
Date: Wed, 29 Sep 2010 13:55:29 -0700
Subject: [PATCH] Added lineCap accessor

---
 src/context2d.cc | 38 ++++++++++++++++++++++++++++++++++++++
 src/context2d.h  |  2 ++
 2 files changed, 40 insertions(+)

diff --git a/src/context2d.cc b/src/context2d.cc
index 167068f..f44a93e 100644
--- a/src/context2d.cc
+++ b/src/context2d.cc
@@ -8,6 +8,7 @@
 #include "canvas.h"
 #include "context2d.h"
 #include <math.h>
+#include <string.h>
 
 using namespace v8;
 using namespace node;
@@ -97,6 +98,7 @@ Context2d::Initialize(Handle<Object> target) {
   NODE_SET_PROTOTYPE_METHOD(t, "setFillRGBA", SetFillRGBA);
   NODE_SET_PROTOTYPE_METHOD(t, "setStrokeRGBA", SetStrokeRGBA);
   proto->SetAccessor(String::NewSymbol("lineWidth"), GetLineWidth, SetLineWidth);
+  proto->SetAccessor(String::NewSymbol("lineCap"), GetLineCap, SetLineCap);
   target->Set(String::NewSymbol("Context2d"), t->GetFunction());
 }
 
@@ -152,6 +154,42 @@ Context2d::SetLineWidth(Local<String> prop, Local<Value> val, const AccessorInfo
   cairo_set_line_width(context->getContext(), val->NumberValue());
 }
 
+/*
+ * Get line cap.
+ */
+
+Handle<Value>
+Context2d::GetLineCap(Local<String> prop, const AccessorInfo &info) {
+  Context2d *context = ObjectWrap::Unwrap<Context2d>(info.This());
+  switch (cairo_get_line_cap(context->getContext())) {
+    case CAIRO_LINE_CAP_ROUND:
+      return String::NewSymbol("round");
+    case CAIRO_LINE_CAP_SQUARE:
+      return String::NewSymbol("square");
+    default:
+      return String::NewSymbol("butt");
+  }
+}
+
+/*
+ * Set line cap.
+ */
+
+void
+Context2d::SetLineCap(Local<String> prop, Local<Value> val, const AccessorInfo &info) {
+  Context2d *context = ObjectWrap::Unwrap<Context2d>(info.This());
+  cairo_t *ctx = context->getContext();
+  String::AsciiValue type(val);
+  if (0 == strcmp("round", *type)) {
+    cairo_set_line_cap(ctx, CAIRO_LINE_CAP_ROUND);
+  } else if (0 == strcmp("square", *type)) {
+    cairo_set_line_cap(ctx, CAIRO_LINE_CAP_SQUARE);
+  } else {
+    cairo_set_line_cap(ctx, CAIRO_LINE_CAP_BUTT);
+  }
+}
+
+
 /*
  * Set fill RGBA, used internally for fillStyle=
  */
diff --git a/src/context2d.h b/src/context2d.h
index 4b27bfb..ccc7958 100644
--- a/src/context2d.h
+++ b/src/context2d.h
@@ -34,7 +34,9 @@ class Context2d: public node::ObjectWrap {
     static Handle<Value> StrokeRect(const Arguments &args);
     static Handle<Value> ClearRect(const Arguments &args);
     static Handle<Value> Arc(const Arguments &args);
+    static Handle<Value> GetLineCap(Local<String> prop, const AccessorInfo &info);
     static Handle<Value> GetLineWidth(Local<String> prop, const AccessorInfo &info);
+    static void SetLineCap(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     static void SetLineWidth(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     inline cairo_t *getContext(){ return _context; }
     inline Canvas *getCanvas(){ return _canvas; }