use SkPoint, creating an alias for GrPoint

http://codereview.appspot.com/4498041/



git-svn-id: http://skia.googlecode.com/svn/trunk@1268 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrPathIter.h b/gpu/include/GrPathIter.h
index 5261f0f..2c84145 100644
--- a/gpu/include/GrPathIter.h
+++ b/gpu/include/GrPathIter.h
@@ -18,9 +18,8 @@
 #ifndef GrPathIter_DEFINED
 #define GrPathIter_DEFINED
 
-#include "GrTypes.h"
+#include "GrPoint.h"
 
-struct GrPoint;
 struct GrRect;
 
 /**
diff --git a/gpu/include/GrPoint.h b/gpu/include/GrPoint.h
index 8c540f0..332ec1e 100644
--- a/gpu/include/GrPoint.h
+++ b/gpu/include/GrPoint.h
@@ -20,7 +20,21 @@
 
 #include "GrTypes.h"
 #include "GrScalar.h"
+#include "SkPoint.h"
 
+#define GrPoint     SkPoint
+#define GrVec       SkVector
+
+struct GrIPoint16 {
+    int16_t fX, fY;
+    
+    void set(intptr_t x, intptr_t y) {
+        fX = GrToS16(x);
+        fY = GrToS16(y);
+    }
+};
+
+#if 0
 /**
  *  2D Point struct
  */
@@ -336,7 +350,7 @@
     // TODO: fixed point sqrt
     return GrFloatToScalar(sqrtf(GrScalarToFloat(distanceToLineSegmentBetweenSqd(a,b))));
 }
-
+#endif
 
 #endif
 
diff --git a/gpu/include/GrScalar.h b/gpu/include/GrScalar.h
index 8a7f1bd..a26b67c 100644
--- a/gpu/include/GrScalar.h
+++ b/gpu/include/GrScalar.h
@@ -36,6 +36,7 @@
 #define GR_ScalarMin        SK_ScalarMin
 #define GR_ScalarMax        SK_ScalarMax
 
+#define GrIntToScalar(a)    SkIntToScalar(a)
 #define GrScalarHalf(a)     SkScalarHalf(a)
 #define GrScalarAve(a,b)    SkScalarAve(a,b)
 #define GrMul(a,b)          SkScalarMul(a,b)
diff --git a/gpu/src/GrGpu.cpp b/gpu/src/GrGpu.cpp
index e18c4a4..66105db 100644
--- a/gpu/src/GrGpu.cpp
+++ b/gpu/src/GrGpu.cpp
@@ -238,10 +238,16 @@
     if (NULL == fUnitSquareVertexBuffer) {
 
         static const GrPoint DATA[] = {
+            { 0,            0 },
+            { GR_Scalar1,   0 },
+            { GR_Scalar1,   GR_Scalar1 },
+            { 0,            GR_Scalar1 }
+#if 0
             GrPoint(0,         0),
             GrPoint(GR_Scalar1,0),
             GrPoint(GR_Scalar1,GR_Scalar1),
             GrPoint(0,         GR_Scalar1)
+#endif
         };
         static const size_t SIZE = sizeof(DATA);
 
diff --git a/gpu/src/GrMatrix.cpp b/gpu/src/GrMatrix.cpp
index 92a38ee..b169d19 100644
--- a/gpu/src/GrMatrix.cpp
+++ b/gpu/src/GrMatrix.cpp
@@ -631,7 +631,7 @@
         if (maxStretch > 0) {
             maxStretch = GrMul(GR_Scalar1 + GR_Scalar1 / 100, maxStretch);
         }
-        GrPoint origin = a.mapPoint(GrPoint(0,0));
+        GrPoint origin = a.mapPoint(GrPoint::Make(0,0));
 
         for (int j = 0; j < 9; ++j) {
             int mask, origMask = a.fTypeMask;
@@ -668,8 +668,8 @@
             a.mapPerspective(&t2, &pt, 1);   // full mult
             GrAssert(t0 == t1 && t1 == t2);
             if (maxStretch >= 0.f) {
-                GrVec vec;
-                vec.setBetween(t0, origin);
+                GrVec vec = origin - t0;
+//                vec.setBetween(t0, origin);
                 GrScalar stretch = vec.length() / pt.distanceToOrigin();
                 GrAssert(stretch <= maxStretch);
             }
diff --git a/gpu/src/GrPath.cpp b/gpu/src/GrPath.cpp
index 17ecd5d..3687b80 100644
--- a/gpu/src/GrPath.cpp
+++ b/gpu/src/GrPath.cpp
@@ -163,13 +163,13 @@
     fConvexHint = iter->convexHint();
 
     // first point of the subpath
-    GrPoint firstPt(0,0);
+    GrPoint firstPt = { 0, 0 };
     // first edge of the subpath
-    GrVec firstVec(0,0);
+    GrVec firstVec = { 0, 0 };
     // vec of most recently processed edge, that wasn't degenerate
-    GrVec previousVec(0,0);
+    GrVec previousVec = { 0, 0 };
     // most recently processed point
-    GrPoint previousPt(0,0);
+    GrPoint previousPt = { 0, 0 };
 
     // sign indicates whether we're bending left or right
     GrScalar turnDir = 0;
@@ -239,8 +239,8 @@
         if (numSubPaths < 2 && kNone_ConvexHint == fConvexHint) {
             while (consumed < n) {
                 GrAssert(pts[consumed-1] == previousPt);
-                GrVec vec;
-                vec.setBetween(previousPt, pts[consumed]);
+                GrVec vec = pts[consumed] - previousPt;
+//                vec.setBetween(previousPt, pts[consumed]);
                 if (vec.fX || vec.fY) {
                     if (subPathPts >= 2) {
                         if (0 == turnDir) {
@@ -269,8 +269,8 @@
                         (!subPathClosed && kEnd_PathCmd == cmd ))) {
                 // if an additional vector is needed to close the loop check
                 // that it validates against the previous vector.
-                GrVec vec;
-                vec.setBetween(previousPt, firstPt);
+                GrVec vec = firstPt - previousPt;
+//                vec.setBetween(previousPt, firstPt);
                 if (vec.fX || vec.fY) {
                     if (!check_two_vecs(previousVec, vec, turnDir,
                                         &xDir, &yDir, &flipX, &flipY)) {
diff --git a/gpu/src/GrPathUtils.cpp b/gpu/src/GrPathUtils.cpp
index 274dc49..115b0f6 100644
--- a/gpu/src/GrPathUtils.cpp
+++ b/gpu/src/GrPathUtils.cpp
@@ -52,10 +52,10 @@
     }
 
     GrPoint q[] = {
-        GrPoint(GrScalarAve(p0.fX, p1.fX), GrScalarAve(p0.fY, p1.fY)),
-        GrPoint(GrScalarAve(p1.fX, p2.fX), GrScalarAve(p1.fY, p2.fY)),
+        { GrScalarAve(p0.fX, p1.fX), GrScalarAve(p0.fY, p1.fY) },
+        { GrScalarAve(p1.fX, p2.fX), GrScalarAve(p1.fY, p2.fY) },
     };
-    GrPoint r(GrScalarAve(q[0].fX, q[1].fX), GrScalarAve(q[0].fY, q[1].fY));
+    GrPoint r = { GrScalarAve(q[0].fX, q[1].fX), GrScalarAve(q[0].fY, q[1].fY) };
 
     pointsLeft >>= 1;
     uint32_t a = generateQuadraticPoints(p0, q[0], r, tolSqd, points, pointsLeft);
@@ -91,15 +91,15 @@
             return 1;
         }
     GrPoint q[] = {
-        GrPoint(GrScalarAve(p0.fX, p1.fX), GrScalarAve(p0.fY, p1.fY)),
-        GrPoint(GrScalarAve(p1.fX, p2.fX), GrScalarAve(p1.fY, p2.fY)),
-        GrPoint(GrScalarAve(p2.fX, p3.fX), GrScalarAve(p2.fY, p3.fY))
+        { GrScalarAve(p0.fX, p1.fX), GrScalarAve(p0.fY, p1.fY) },
+        { GrScalarAve(p1.fX, p2.fX), GrScalarAve(p1.fY, p2.fY) },
+        { GrScalarAve(p2.fX, p3.fX), GrScalarAve(p2.fY, p3.fY) }
     };
     GrPoint r[] = {
-        GrPoint(GrScalarAve(q[0].fX, q[1].fX), GrScalarAve(q[0].fY, q[1].fY)),
-        GrPoint(GrScalarAve(q[1].fX, q[2].fX), GrScalarAve(q[1].fY, q[2].fY))
+        { GrScalarAve(q[0].fX, q[1].fX), GrScalarAve(q[0].fY, q[1].fY) },
+        { GrScalarAve(q[1].fX, q[2].fX), GrScalarAve(q[1].fY, q[2].fY) }
     };
-    GrPoint s(GrScalarAve(r[0].fX, r[1].fX), GrScalarAve(r[0].fY, r[1].fY));
+    GrPoint s = { GrScalarAve(r[0].fX, r[1].fX), GrScalarAve(r[0].fY, r[1].fY) };
     pointsLeft >>= 1;
     uint32_t a = generateCubicPoints(p0, q[0], r[0], s, tolSqd, points, pointsLeft);
     uint32_t b = generateCubicPoints(s, r[1], q[2], p3, tolSqd, points, pointsLeft);
diff --git a/gpu/src/GrPathUtils.h b/gpu/src/GrPathUtils.h
index 97841dd..af05682 100644
--- a/gpu/src/GrPathUtils.h
+++ b/gpu/src/GrPathUtils.h
@@ -18,10 +18,9 @@
 #define GrPathUtils_DEFINED
 
 #include "GrNoncopyable.h"
-#include "GrScalar.h"
+#include "GrPoint.h"
 
 class GrPathIter;
-struct GrPoint;
 
 /**
  *  Utilities for evaluating paths.