From ae2c20f398933a9e86c387dcc465ec0f71065ffc Mon Sep 17 00:00:00 2001
From: "initial.commit" <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Sun, 27 Jul 2008 00:09:42 +0000
Subject: Add skia to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16 0039d316-1c4b-4281-b951-d872f2087c98
---
 skia/include/Sk1DPathEffect.h | 92 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 skia/include/Sk1DPathEffect.h

(limited to 'skia/include/Sk1DPathEffect.h')

diff --git a/skia/include/Sk1DPathEffect.h b/skia/include/Sk1DPathEffect.h
new file mode 100644
index 0000000..6679a26
--- /dev/null
+++ b/skia/include/Sk1DPathEffect.h
@@ -0,0 +1,92 @@
+/* Copyright 2006, Google Inc.
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#ifndef Sk1DPathEffect_DEFINED
+#define Sk1DPathEffect_DEFINED
+
+#include "SkPathEffect.h"
+#include "SkPath.h"
+
+class SkPathMeasure;
+
+//  This class is not exported to java.
+class Sk1DPathEffect : public SkPathEffect {
+public:
+    //  override from SkPathEffect
+    virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width);
+
+protected:
+    /** Called at the start of each contour, returns the initial offset
+        into that contour.
+    */
+    virtual SkScalar begin(SkScalar contourLength) = 0;
+    /** Called with the current distance along the path, with the current matrix
+        for the point/tangent at the specified distance.
+        Return the distance to travel for the next call. If return <= 0, then that
+        contour is done.
+    */
+    virtual SkScalar next(SkPath* dst, SkScalar distance, SkPathMeasure&) = 0;
+
+private:
+    typedef SkPathEffect INHERITED;
+};
+
+class SkPath1DPathEffect : public Sk1DPathEffect {
+public:
+    enum Style {
+        kTranslate_Style,   // translate the shape to each position
+        kRotate_Style,      // rotate the shape about its center
+        kMorph_Style,       // transform each point, and turn lines into curves
+        
+        kStyleCount
+    };
+    
+    /** Dash by replicating the specified path.
+        @param path The path to replicate (dash)
+        @param advance The space between instances of path
+        @param phase distance (mod advance) along path for its initial position
+        @param style how to transform path at each point (based on the current
+                     position and tangent)
+    */
+    SkPath1DPathEffect(const SkPath& path, SkScalar advance, SkScalar phase, Style);
+
+    // override from SkPathEffect
+    virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width);
+
+protected:
+    SkPath1DPathEffect(SkFlattenableReadBuffer& buffer);
+
+    // overrides from Sk1DPathEffect
+    virtual SkScalar begin(SkScalar contourLength);
+    virtual SkScalar next(SkPath* dst, SkScalar distance, SkPathMeasure&);
+    // overrides from SkFlattenable
+    virtual void flatten(SkFlattenableWriteBuffer& );
+    virtual Factory getFactory() { return CreateProc; }
+    
+private:
+    SkPath      fPath;          // copied from constructor
+    SkScalar    fAdvance;       // copied from constructor
+    SkScalar    fInitialOffset; // computed from phase
+    Style       fStyle;         // copied from constructor
+    
+    static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) {
+        return SkNEW_ARGS(SkPath1DPathEffect, (buffer));
+    }
+
+    typedef Sk1DPathEffect INHERITED;
+};
+
+
+#endif
-- 
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