fix warnings

code style

git-svn-id: http://skia.googlecode.com/svn/trunk@1147 2bbb7eff-a529-9590-31e7-b0007b416f81

diff --git a/src/utils/SkCamera.cpp b/src/utils/SkCamera.cpp
index 87d2aad..3e7315b 100644 (file)
--- a/src/utils/SkCamera.cpp
+++ b/src/utils/SkCamera.cpp
@@ -19,12 +19,10 @@
 
 static SkScalar SkScalarDotDiv(int count, const SkScalar a[], int step_a,
                                const SkScalar b[], int step_b,
-                               SkScalar denom)
-{
+                               SkScalar denom) {
 #ifdef SK_SCALAR_IS_FLOAT
     float prod = 0;
-    for (int i = 0; i < count; i++)
-    {
+    for (int i = 0; i < count; i++) {
         prod += a[0] * b[0];
         a += step_a;
         b += step_b;
@@ -34,8 +32,7 @@ static SkScalar SkScalarDotDiv(int count, const SkScalar a[], int step_a,
     Sk64    prod, tmp;
 
     prod.set(0);
-    for (int i = 0; i < count; i++)
-    {
+    for (int i = 0; i < count; i++) {
         tmp.setMul(a[0], b[0]);
         prod.add(tmp);
         a += step_a;
@@ -47,12 +44,10 @@ static SkScalar SkScalarDotDiv(int count, const SkScalar a[], int step_a,
 }
 
 static SkScalar SkScalarDot(int count, const SkScalar a[], int step_a,
-                                       const SkScalar b[], int step_b)
-{
+                                       const SkScalar b[], int step_b) {
 #ifdef SK_SCALAR_IS_FLOAT
     float prod = 0;
-    for (int i = 0; i < count; i++)
-    {
+    for (int i = 0; i < count; i++) {
         prod += a[0] * b[0];
         a += step_a;
         b += step_b;
@@ -62,8 +57,7 @@ static SkScalar SkScalarDot(int count, const SkScalar a[], int step_a,
     Sk64    prod, tmp;
 
     prod.set(0);
-    for (int i = 0; i < count; i++)
-    {
+    for (int i = 0; i < count; i++) {
         tmp.setMul(a[0], b[0]);
         prod.add(tmp);
         a += step_a;
@@ -73,18 +67,18 @@ static SkScalar SkScalarDot(int count, const SkScalar a[], int step_a,
 #endif
 }
 
-//////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 
-SkUnitScalar SkPoint3D::normalize(SkUnit3D* unit) const
-{
+SkUnitScalar SkPoint3D::normalize(SkUnit3D* unit) const {
 #ifdef SK_SCALAR_IS_FLOAT
     float mag = sk_float_sqrt(fX*fX + fY*fY + fZ*fZ);
-    if (mag)
-    {
+    if (mag) {
         float scale = 1.0f / mag;
         unit->fX = fX * scale;
         unit->fY = fY * scale;
         unit->fZ = fZ * scale;
+    } else {
+        unit->fX = unit->fY = unit->fZ = 0;
     }
 #else
     Sk64    tmp1, tmp2;
@@ -96,32 +90,30 @@ SkUnitScalar SkPoint3D::normalize(SkUnit3D* unit) const
     tmp1.add(tmp2);
 
     SkFixed mag = tmp1.getSqrt();
-    if (mag)
-    {
+    if (mag) {
         // what if mag < SK_Fixed1 ??? we will underflow the fixdiv
         SkFixed scale = SkFixedDiv(SK_Fract1, mag);
         unit->fX = SkFixedMul(fX, scale);
         unit->fY = SkFixedMul(fY, scale);
         unit->fZ = SkFixedMul(fZ, scale);
+    } else {
+        unit->fX = unit->fY = unit->fZ = 0;
     }
 #endif
     return mag;
 }
 
-SkUnitScalar SkUnit3D::Dot(const SkUnit3D& a, const SkUnit3D& b)
-{
+SkUnitScalar SkUnit3D::Dot(const SkUnit3D& a, const SkUnit3D& b) {
     return  SkUnitScalarMul(a.fX, b.fX) +
             SkUnitScalarMul(a.fY, b.fY) +
             SkUnitScalarMul(a.fZ, b.fZ);
 }
 
-void SkUnit3D::Cross(const SkUnit3D& a, const SkUnit3D& b, SkUnit3D* cross)
-{
+void SkUnit3D::Cross(const SkUnit3D& a, const SkUnit3D& b, SkUnit3D* cross) {
     SkASSERT(cross);
 
     // use x,y,z, in case &a == cross or &b == cross
 
-
     SkScalar x = SkUnitScalarMul(a.fY, b.fZ) - SkUnitScalarMul(a.fZ, b.fY);
     SkScalar y = SkUnitScalarMul(a.fZ, b.fX) - SkUnitScalarMul(a.fX, b.fY);
     SkScalar z = SkUnitScalarMul(a.fX, b.fY) - SkUnitScalarMul(a.fY, b.fX);
@@ -129,32 +121,28 @@ void SkUnit3D::Cross(const SkUnit3D& a, const SkUnit3D& b, SkUnit3D* cross)
     cross->set(x, y, z);
 }
 
-///////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 
-SkPatch3D::SkPatch3D()
-{
+SkPatch3D::SkPatch3D() {
     this->reset();
 }
 
-void SkPatch3D::reset()
-{
+void SkPatch3D::reset() {
     fOrigin.set(0, 0, 0);
     fU.set(SK_Scalar1, 0, 0);
     fV.set(0, -SK_Scalar1, 0);
 }
 
-void SkPatch3D::transform(const SkMatrix3D& m, SkPatch3D* dst) const
-{
-    if (dst == NULL)
+void SkPatch3D::transform(const SkMatrix3D& m, SkPatch3D* dst) const {
+    if (dst == NULL) {
         dst = (SkPatch3D*)this;
-
+    }
     m.mapVector(fU, &dst->fU);
     m.mapVector(fV, &dst->fV);
     m.mapPoint(fOrigin, &dst->fOrigin);
 }
 
-SkScalar SkPatch3D::dotWith(SkScalar dx, SkScalar dy, SkScalar dz) const
-{
+SkScalar SkPatch3D::dotWith(SkScalar dx, SkScalar dy, SkScalar dz) const {
     SkScalar cx = SkScalarMul(fU.fY, fV.fZ) - SkScalarMul(fU.fZ, fV.fY);
     SkScalar cy = SkScalarMul(fU.fZ, fV.fX) - SkScalarMul(fU.fX, fV.fY);
     SkScalar cz = SkScalarMul(fU.fX, fV.fY) - SkScalarMul(fU.fY, fV.fX);
@@ -162,24 +150,21 @@ SkScalar SkPatch3D::dotWith(SkScalar dx, SkScalar dy, SkScalar dz) const
     return SkScalarMul(cx, dx) + SkScalarMul(cy, dy) + SkScalarMul(cz, dz);
 }
 
-///////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 
-void SkMatrix3D::reset()
-{
+void SkMatrix3D::reset() {
     memset(fMat, 0, sizeof(fMat));
     fMat[0][0] = fMat[1][1] = fMat[2][2] = SK_Scalar1;
 }
 
-void SkMatrix3D::setTranslate(SkScalar x, SkScalar y, SkScalar z)
-{
+void SkMatrix3D::setTranslate(SkScalar x, SkScalar y, SkScalar z) {
     memset(fMat, 0, sizeof(fMat));
     fMat[0][0] = x;
     fMat[1][1] = y;
     fMat[2][2] = z;
 }
 
-void SkMatrix3D::setRotateX(SkScalar degX)
-{
+void SkMatrix3D::setRotateX(SkScalar degX) {
     SkScalar    s, c;
 
     s = SkScalarSinCos(SkDegreesToRadians(degX), &c);
@@ -188,8 +173,7 @@ void SkMatrix3D::setRotateX(SkScalar degX)
     this->setRow(2, 0, s, c);
 }
 
-void SkMatrix3D::setRotateY(SkScalar degY)
-{
+void SkMatrix3D::setRotateY(SkScalar degY) {
     SkScalar    s, c;
 
     s = SkScalarSinCos(SkDegreesToRadians(degY), &c);
@@ -198,8 +182,7 @@ void SkMatrix3D::setRotateY(SkScalar degY)
     this->setRow(2, s, 0, c);
 }
 
-void SkMatrix3D::setRotateZ(SkScalar degZ)
-{
+void SkMatrix3D::setRotateZ(SkScalar degZ) {
     SkScalar    s, c;
 
     s = SkScalarSinCos(SkDegreesToRadians(degZ), &c);
@@ -208,78 +191,73 @@ void SkMatrix3D::setRotateZ(SkScalar degZ)
     this->setRow(2, 0, 0, SK_Scalar1);
 }
 
-void SkMatrix3D::preTranslate(SkScalar x, SkScalar y, SkScalar z)
-{
+void SkMatrix3D::preTranslate(SkScalar x, SkScalar y, SkScalar z) {
     SkScalar col[3] = { x, y, z};
 
-    for (int i = 0; i < 3; i++)
+    for (int i = 0; i < 3; i++) {
         fMat[i][3] += SkScalarDot(3, &fMat[i][0], 1, col, 1);
+    }
 }
 
-void SkMatrix3D::preRotateX(SkScalar degX)
-{
-    SkMatrix3D m;    
+void SkMatrix3D::preRotateX(SkScalar degX) {
+    SkMatrix3D m;
     m.setRotateX(degX);
     this->setConcat(*this, m);
 }
 
-void SkMatrix3D::preRotateY(SkScalar degY)
-{
-    SkMatrix3D m;    
+void SkMatrix3D::preRotateY(SkScalar degY) {
+    SkMatrix3D m;
     m.setRotateY(degY);
     this->setConcat(*this, m);
 }
 
-void SkMatrix3D::preRotateZ(SkScalar degZ)
-{
-    SkMatrix3D m;    
+void SkMatrix3D::preRotateZ(SkScalar degZ) {
+    SkMatrix3D m;
     m.setRotateZ(degZ);
     this->setConcat(*this, m);
 }
 
-void SkMatrix3D::setConcat(const SkMatrix3D& a, const SkMatrix3D& b)
-{
+void SkMatrix3D::setConcat(const SkMatrix3D& a, const SkMatrix3D& b) {
     SkMatrix3D  tmp;
     SkMatrix3D* c = this;
 
-    if (this == &a || this == &b)
+    if (this == &a || this == &b) {
         c = &tmp;
-
+    }
     for (int i = 0; i < 3; i++) {
-        for (int j = 0; j < 3; j++)
+        for (int j = 0; j < 3; j++) {
             c->fMat[i][j] = SkScalarDot(3, &a.fMat[i][0], 1, &b.fMat[0][j], 4);
-        c->fMat[i][3] = SkScalarDot(3, &a.fMat[i][0], 1, &b.fMat[0][3], 4) + a.fMat[i][3];
+        }
+        c->fMat[i][3] = SkScalarDot(3, &a.fMat[i][0], 1,
+                                    &b.fMat[0][3], 4) + a.fMat[i][3];
     }
 
-    if (c == &tmp)
+    if (c == &tmp) {
         *this = tmp;
+    }
 }
 
-void SkMatrix3D::mapPoint(const SkPoint3D& src, SkPoint3D* dst) const
-{
+void SkMatrix3D::mapPoint(const SkPoint3D& src, SkPoint3D* dst) const {
     SkScalar x = SkScalarDot(3, &fMat[0][0], 1, &src.fX, 1) + fMat[0][3];
     SkScalar y = SkScalarDot(3, &fMat[1][0], 1, &src.fX, 1) + fMat[1][3];
     SkScalar z = SkScalarDot(3, &fMat[2][0], 1, &src.fX, 1) + fMat[2][3];
     dst->set(x, y, z);
 }
 
-void SkMatrix3D::mapVector(const SkVector3D& src, SkVector3D* dst) const
-{
+void SkMatrix3D::mapVector(const SkVector3D& src, SkVector3D* dst) const {
     SkScalar x = SkScalarDot(3, &fMat[0][0], 1, &src.fX, 1);
     SkScalar y = SkScalarDot(3, &fMat[1][0], 1, &src.fX, 1);
     SkScalar z = SkScalarDot(3, &fMat[2][0], 1, &src.fX, 1);
     dst->set(x, y, z);
 }
 
-///////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 
-SkCamera3D::SkCamera3D()
-{
+SkCamera3D::SkCamera3D() {
     this->reset();
 }
 
-void SkCamera3D::reset()
-{
+void SkCamera3D::reset() {
     fLocation.set(0, 0, -SkIntToScalar(576));   // 8 inches backward
     fAxis.set(0, 0, SK_Scalar1);                // forward
     fZenith.set(0, -SK_Scalar1, 0);             // up
@@ -289,13 +267,11 @@ void SkCamera3D::reset()
     fNeedToUpdate = true;
 }
 
-void SkCamera3D::update()
-{
+void SkCamera3D::update() {
     fNeedToUpdate = true;
 }
 
-void SkCamera3D::doUpdate() const
-{
+void SkCamera3D::doUpdate() const {
     SkUnit3D    axis, zenith, cross;
 
     fAxis.normalize(&axis);
@@ -330,10 +306,8 @@ void SkCamera3D::doUpdate() const
     }
 }
 
-void SkCamera3D::patchToMatrix(const SkPatch3D& quilt, SkMatrix* matrix) const
-{
-    if (fNeedToUpdate)
-    {
+void SkCamera3D::patchToMatrix(const SkPatch3D& quilt, SkMatrix* matrix) const {
+    if (fNeedToUpdate) {
         this->doUpdate();
         fNeedToUpdate = false;
     }
@@ -366,16 +340,14 @@ void SkCamera3D::patchToMatrix(const SkPatch3D& quilt, SkMatrix* matrix) const
     matrix->set(SkMatrix::kMPersp2, SK_UnitScalar1);
 }
 
-///////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 
-Sk3DView::Sk3DView()
-{
+Sk3DView::Sk3DView() {
     fInitialRec.fMatrix.reset();
     fRec = &fInitialRec;
 }
 
-Sk3DView::~Sk3DView()
-{
+Sk3DView::~Sk3DView() {
     Rec* rec = fRec;
     while (rec != &fInitialRec) {
         Rec* next = rec->fNext;
@@ -384,16 +356,14 @@ Sk3DView::~Sk3DView()
     }
 }
 
-void Sk3DView::save()
-{
+void Sk3DView::save() {
     Rec* rec = SkNEW(Rec);
     rec->fNext = fRec;
     rec->fMatrix = fRec->fMatrix;
     fRec = rec;
 }
 
-void Sk3DView::restore()
-{
+void Sk3DView::restore() {
     SkASSERT(fRec != &fInitialRec);
     Rec* next = fRec->fNext;
     SkDELETE(fRec);
@@ -401,8 +371,7 @@ void Sk3DView::restore()
 }
 
 #ifdef ANDROID
-void Sk3DView::setCameraLocation(SkScalar x, SkScalar y, SkScalar z)
-{
+void Sk3DView::setCameraLocation(SkScalar x, SkScalar y, SkScalar z) {
     // the camera location is passed in inches, set in pt
     SkScalar lz = z * SkFloatToScalar(72.0f);
     fCamera.fLocation.set(x * SkFloatToScalar(72.0f), y * SkFloatToScalar(72.0f), lz);
@@ -412,37 +381,30 @@ void Sk3DView::setCameraLocation(SkScalar x, SkScalar y, SkScalar z)
 }
 #endif
 
-void Sk3DView::translate(SkScalar x, SkScalar y, SkScalar z)
-{
+void Sk3DView::translate(SkScalar x, SkScalar y, SkScalar z) {
     fRec->fMatrix.preTranslate(x, y, z);
 }
 
-void Sk3DView::rotateX(SkScalar deg)
-{
+void Sk3DView::rotateX(SkScalar deg) {
     fRec->fMatrix.preRotateX(deg);
 }
 
-void Sk3DView::rotateY(SkScalar deg)
-{
+void Sk3DView::rotateY(SkScalar deg) {
     fRec->fMatrix.preRotateY(deg);
 }
 
-void Sk3DView::rotateZ(SkScalar deg)
-{
+void Sk3DView::rotateZ(SkScalar deg) {
     fRec->fMatrix.preRotateZ(deg);
 }
 
-SkScalar Sk3DView::dotWithNormal(SkScalar x, SkScalar y, SkScalar z) const
-{
+SkScalar Sk3DView::dotWithNormal(SkScalar x, SkScalar y, SkScalar z) const {
     SkPatch3D   patch;
     patch.transform(fRec->fMatrix);
     return patch.dotWith(x, y, z);
 }
 
-void Sk3DView::getMatrix(SkMatrix* matrix) const
-{
-    if (matrix != NULL)
-    {
+void Sk3DView::getMatrix(SkMatrix* matrix) const {
+    if (matrix != NULL) {
         SkPatch3D   patch;
         patch.transform(fRec->fMatrix);
         fCamera.patchToMatrix(patch, matrix);
@@ -451,8 +413,7 @@ void Sk3DView::getMatrix(SkMatrix* matrix) const
 
 #include "SkCanvas.h"
 
-void Sk3DView::applyToCanvas(SkCanvas* canvas) const
-{
+void Sk3DView::applyToCanvas(SkCanvas* canvas) const {
     SkMatrix    matrix;
     
     this->getMatrix(&matrix);