Split GrSWMaskHelper into its own files
http://codereview.appspot.com/6350046/
git-svn-id: http://skia.googlecode.com/svn/trunk@4380 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrSWMaskHelper.h b/src/gpu/GrSWMaskHelper.h
new file mode 100644
index 0000000..b789f99
--- /dev/null
+++ b/src/gpu/GrSWMaskHelper.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrSWMaskHelper_DEFINED
+#define GrSWMaskHelper_DEFINED
+
+#include "GrColor.h"
+#include "GrMatrix.h"
+#include "GrNoncopyable.h"
+#include "SkBitmap.h"
+#include "SkDraw.h"
+#include "SkRasterClip.h"
+#include "SkRegion.h"
+
+class GrAutoScratchTexture;
+class GrContext;
+class GrTexture;
+class SkPath;
+
+/**
+ * The GrSWMaskHelper helps generate clip masks using the software rendering
+ * path.
+ */
+class GrSWMaskHelper : public GrNoncopyable {
+public:
+ GrSWMaskHelper(GrContext* context)
+ : fContext(context) {
+ }
+
+ void draw(const GrRect& clientRect, SkRegion::Op op,
+ bool antiAlias, GrColor color);
+
+ void draw(const SkPath& clientPath, SkRegion::Op op,
+ GrPathFill fill, bool antiAlias, GrColor color);
+
+ bool init(const GrIRect& pathDevBounds,
+ const GrPoint* translate,
+ bool useMatrix);
+
+ bool getTexture(GrAutoScratchTexture* tex);
+
+ void toTexture(GrTexture* texture, bool clearToWhite);
+
+ void clear(GrColor color) {
+ fBM.eraseColor(color);
+ }
+
+protected:
+private:
+ GrContext* fContext;
+ GrMatrix fMatrix;
+ SkBitmap fBM;
+ SkDraw fDraw;
+ SkRasterClip fRasterClip;
+
+ typedef GrNoncopyable INHERITED;
+};
+
+#endif GrSWMaskHelper_DEFINED