Remove the remainder of the skia source code from the Chromium repo....

skia/effects/SkCullPoints.cpp

Index: skia/effects/SkCullPoints.cpp
===================================================================
--- skia/effects/SkCullPoints.cpp	(revision 16859)
+++ skia/effects/SkCullPoints.cpp	(working copy)
@@ -1,168 +0,0 @@
-/* libs/graphics/effects/SkCullPoints.cpp
-**
-** Copyright 2006, The Android Open Source Project
-**
-** 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.
-*/
-
-#include "SkCullPoints.h"
-#include "Sk64.h"
-
-static bool cross_product_is_neg(const SkIPoint& v, int dx, int dy)
-{
-#if 0
-    return v.fX * dy - v.fY * dx < 0;
-#else
-    Sk64   tmp0, tmp1;
-    
-    tmp0.setMul(v.fX, dy);
-    tmp1.setMul(dx, v.fY);
-    tmp0.sub(tmp1);
-    return tmp0.isNeg();
-#endif
-}
-
-bool SkCullPoints::sect_test(int x0, int y0, int x1, int y1) const
-{
-    const SkIRect& r = fR;
-
-    if ((x0 < r.fLeft    && x1 < r.fLeft) ||
-        (x0 > r.fRight   && x1 > r.fRight) ||
-        (y0 < r.fTop     && y1 < r.fTop) ||
-        (y0 > r.fBottom  && y1 > r.fBottom))
-        return false;
-
-    // since the crossprod test is a little expensive, check for easy-in cases first    
-    if (r.contains(x0, y0) || r.contains(x1, y1))
-        return true;
-
-    // At this point we're not sure, so we do a crossprod test
-    SkIPoint           vec;
-    const SkIPoint*    rAsQuad = fAsQuad;
-    
-    vec.set(x1 - x0, y1 - y0);
-    bool isNeg = cross_product_is_neg(vec, x0 - rAsQuad[0].fX, y0 - rAsQuad[0].fY);
-    for (int i = 1; i < 4; i++) {
-        if (cross_product_is_neg(vec, x0 - rAsQuad[i].fX, y0 - rAsQuad[i].fY) != isNeg)
-        {
-            return true;
-        }
-    }
-    return false;   // we didn't intersect
-}
-
-static void toQuad(const SkIRect& r, SkIPoint quad[4])
-{
-    SkASSERT(quad);
-
-    quad[0].set(r.fLeft, r.fTop);
-    quad[1].set(r.fRight, r.fTop);
-    quad[2].set(r.fRight, r.fBottom);
-    quad[3].set(r.fLeft, r.fBottom);
-}
-
-SkCullPoints::SkCullPoints()
-{
-    SkIRect    r;
-    r.setEmpty();
-    this->reset(r);
-}
-
-SkCullPoints::SkCullPoints(const SkIRect& r)
-{
-    this->reset(r);
-}
-
-void SkCullPoints::reset(const SkIRect& r)
-{
-    fR = r;
-    toQuad(fR, fAsQuad);
-    fPrevPt.set(0, 0);
-    fPrevResult = kNo_Result;
-}
-
-void SkCullPoints::moveTo(int x, int y)
-{
-    fPrevPt.set(x, y);
-    fPrevResult = kNo_Result;   // so we trigger a movetolineto later
-}
-
-SkCullPoints::LineToResult SkCullPoints::lineTo(int x, int y, SkIPoint line[])
-{
-    SkASSERT(line != NULL);
-
-    LineToResult result = kNo_Result;
-    int x0 = fPrevPt.fX;
-    int y0 = fPrevPt.fY;
-    
-    // need to upgrade sect_test to chop the result
-    // and to correctly return kLineTo_Result when the result is connected
-    // to the previous call-out
-    if (this->sect_test(x0, y0, x, y))
-    {
-        line[0].set(x0, y0);
-        line[1].set(x, y);
-        
-        if (fPrevResult != kNo_Result && fPrevPt.equals(x0, y0))
-            result = kLineTo_Result;
-        else
-            result = kMoveToLineTo_Result;
-    }
-
-    fPrevPt.set(x, y);
-    fPrevResult = result;
-
-    return result;
-}
-
-/////////////////////////////////////////////////////////////////////////////////////////////////
-
-#include "SkPath.h"
-
-SkCullPointsPath::SkCullPointsPath()
-    : fCP(), fPath(NULL)
-{
-}
-
-SkCullPointsPath::SkCullPointsPath(const SkIRect& r, SkPath* dst)
-    : fCP(r), fPath(dst)
-{
-}
-
-void SkCullPointsPath::reset(const SkIRect& r, SkPath* dst)
-{
-    fCP.reset(r);
-    fPath = dst;
-}
-    
-void SkCullPointsPath::moveTo(int x, int y)
-{
-    fCP.moveTo(x, y);
-}
-
-void SkCullPointsPath::lineTo(int x, int y)
-{
-    SkIPoint   pts[2];
-    
-    switch (fCP.lineTo(x, y, pts)) {
-    case SkCullPoints::kMoveToLineTo_Result:
-        fPath->moveTo(SkIntToScalar(pts[0].fX), SkIntToScalar(pts[0].fY));
-        // fall through to the lineto case
-    case SkCullPoints::kLineTo_Result:
-        fPath->lineTo(SkIntToScalar(pts[1].fX), SkIntToScalar(pts[1].fY));
-        break;
-    default:
-        break;
-    }
-}
-