add stroke params to c api

src/c/sk_paint.cpp

Index: src/c/sk_paint.cpp
diff --git a/src/c/sk_paint.cpp b/src/c/sk_paint.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e71285d4d5ca16924051fedc5750d28d558fc1be
--- /dev/null
+++ b/src/c/sk_paint.cpp
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "sk_paint.h"
+#include "sk_types_priv.h"
+
+#include "SkPaint.h"
+
+#define MAKE_FROM_TO_NAME(FROM)     g_ ## FROM ## _map
+
+const struct {
+    sk_stroke_cap_t fC;
+    SkPaint::Cap    fSK;
+} MAKE_FROM_TO_NAME(sk_stroke_cap_t)[] = {
+    { BUTT_SK_STROKE_CAP,   SkPaint::kButt_Cap   },
+    { ROUND_SK_STROKE_CAP,  SkPaint::kRound_Cap  },
+    { SQUARE_SK_STROKE_CAP, SkPaint::kSquare_Cap },
+};
+
+const struct {
+    sk_stroke_join_t fC;
+    SkPaint::Join    fSK;
+} MAKE_FROM_TO_NAME(sk_stroke_join_t)[] = {
+    { MITER_SK_STROKE_JOIN, SkPaint::kMiter_Join },
+    { ROUND_SK_STROKE_JOIN, SkPaint::kRound_Join },
+    { BEVEL_SK_STROKE_JOIN, SkPaint::kBevel_Join },
+};
+
+#define CType           sk_stroke_cap_t
+#define SKType          SkPaint::Cap
+#define CTypeSkTypeMap  MAKE_FROM_TO_NAME(sk_stroke_cap_t)
+#include "sk_c_from_to.h"
+
+#define CType           sk_stroke_join_t
+#define SKType          SkPaint::Join
+#define CTypeSkTypeMap  MAKE_FROM_TO_NAME(sk_stroke_join_t)
+#include "sk_c_from_to.h"
+
+//////////////////////////////////////////////////////////////////////////////////////////////////
+
+sk_paint_t* sk_paint_new() {
+    return (sk_paint_t*)SkNEW(SkPaint);
+}
+
+void sk_paint_delete(sk_paint_t* cpaint) {
+    SkDELETE(AsPaint(cpaint));
+}
+
+bool sk_paint_is_antialias(const sk_paint_t* cpaint) {
+    return AsPaint(*cpaint).isAntiAlias();
+}
+
+void sk_paint_set_antialias(sk_paint_t* cpaint, bool aa) {
+    AsPaint(cpaint)->setAntiAlias(aa);
+}
+
+sk_color_t sk_paint_get_color(const sk_paint_t* cpaint) {
+    return AsPaint(*cpaint).getColor();
+}
+
+void sk_paint_set_color(sk_paint_t* cpaint, sk_color_t c) {
+    AsPaint(cpaint)->setColor(c);
+}
+
+void sk_paint_set_shader(sk_paint_t* cpaint, sk_shader_t* cshader) {
+    AsPaint(cpaint)->setShader(AsShader(cshader));
+}
+
+void sk_paint_set_maskfilter(sk_paint_t* cpaint, sk_maskfilter_t* cfilter) {
+    AsPaint(cpaint)->setMaskFilter(AsMaskFilter(cfilter));
+}
+
+bool sk_paint_is_stroke(const sk_paint_t* cpaint) {
+    return AsPaint(*cpaint).getStyle() != SkPaint::kFill_Style;
+}
+
+void sk_paint_set_stroke(sk_paint_t* cpaint, bool doStroke) {
+    AsPaint(cpaint)->setStyle(doStroke ? SkPaint::kStroke_Style : SkPaint::kFill_Style);
+}
+
+float sk_paint_get_stroke_width(const sk_paint_t* cpaint) {
+    return AsPaint(*cpaint).getStrokeWidth();
+}
+
+void sk_paint_set_stroke_width(sk_paint_t* cpaint, float width) {
+    AsPaint(cpaint)->setStrokeWidth(width);
+}
+
+float sk_paint_get_stroke_miter(const sk_paint_t* cpaint) {
+    return AsPaint(*cpaint).getStrokeMiter();
+}
+
+void sk_paint_set_stroke_miter(sk_paint_t* cpaint, float miter) {
+    AsPaint(cpaint)->setStrokeMiter(miter);
+}
+
+sk_stroke_cap_t sk_paint_get_stroke_cap(const sk_paint_t* cpaint) {
+    sk_stroke_cap_t ccap;
+    if (find_c(AsPaint(*cpaint).getStrokeCap(), &ccap)) {
+        ccap = BUTT_SK_STROKE_CAP;
+    }
+    return ccap;
+}
+
+void sk_paint_set_stroke_cap(sk_paint_t* cpaint, sk_stroke_cap_t ccap) {
+    SkPaint::Cap skcap;
+    if (find_sk(ccap, &skcap)) {
+        AsPaint(cpaint)->setStrokeCap(skcap);
+    } else {
+        // unknown ccap
+    }
+}
+
+sk_stroke_join_t sk_paint_get_stroke_join(const sk_paint_t* cpaint) {
+    sk_stroke_join_t cjoin;
+    if (find_c(AsPaint(*cpaint).getStrokeJoin(), &cjoin)) {
+        cjoin = MITER_SK_STROKE_JOIN;
+    }
+    return cjoin;
+}
+
+void sk_paint_set_stroke_join(sk_paint_t* cpaint, sk_stroke_join_t cjoin) {
+    SkPaint::Join skjoin;
+    if (find_sk(cjoin, &skjoin)) {
+        AsPaint(cpaint)->setStrokeJoin(skjoin);
+    } else {
+        // unknown cjoin
+    }
+}
+
+