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-rw-r--r--ui/gfx/transform.cc20
-rw-r--r--ui/gfx/transform_util.cc42
2 files changed, 29 insertions, 33 deletions
diff --git a/ui/gfx/transform.cc b/ui/gfx/transform.cc
index df3ed9f..5e87998 100644
--- a/ui/gfx/transform.cc
+++ b/ui/gfx/transform.cc
@@ -83,7 +83,7 @@ void Transform::RotateAboutXAxis(double degrees) {
0, cosTheta, sinTheta,
0, -sinTheta, cosTheta);
} else {
- SkMatrix44 rot;
+ SkMatrix44 rot(SkMatrix44::kUninitialized_Constructor);
rot.set3x3(1, 0, 0,
0, cosTheta, sinTheta,
0, -sinTheta, cosTheta);
@@ -102,7 +102,7 @@ void Transform::RotateAboutYAxis(double degrees) {
0, 1, 0,
sinTheta, 0, cosTheta);
} else {
- SkMatrix44 rot;
+ SkMatrix44 rot(SkMatrix44::kUninitialized_Constructor);
rot.set3x3(cosTheta, 0, -sinTheta,
0, 1, 0,
sinTheta, 0, cosTheta);
@@ -119,7 +119,7 @@ void Transform::RotateAboutZAxis(double degrees) {
-sinTheta, cosTheta, 0,
0, 0, 1);
} else {
- SkMatrix44 rot;
+ SkMatrix44 rot(SkMatrix44::kUninitialized_Constructor);
rot.set3x3(cosTheta, sinTheta, 0,
-sinTheta, cosTheta, 0,
0, 0, 1);
@@ -134,7 +134,7 @@ void Transform::RotateAbout(const Vector3dF& axis, double degrees) {
SkDoubleToMScalar(axis.z()),
SkDoubleToMScalar(degrees));
} else {
- SkMatrix44 rot;
+ SkMatrix44 rot(SkMatrix44::kUninitialized_Constructor);
rot.setRotateDegreesAbout(SkDoubleToMScalar(axis.x()),
SkDoubleToMScalar(axis.y()),
SkDoubleToMScalar(axis.z()),
@@ -167,7 +167,7 @@ void Transform::SkewX(double angle_x) {
if (matrix_.isIdentity())
matrix_.setDouble(0, 1, TanDegrees(angle_x));
else {
- SkMatrix44 skew;
+ SkMatrix44 skew(SkMatrix44::kIdentity_Constructor);
skew.setDouble(0, 1, TanDegrees(angle_x));
matrix_.preConcat(skew);
}
@@ -177,7 +177,7 @@ void Transform::SkewY(double angle_y) {
if (matrix_.isIdentity())
matrix_.setDouble(1, 0, TanDegrees(angle_y));
else {
- SkMatrix44 skew;
+ SkMatrix44 skew(SkMatrix44::kIdentity_Constructor);
skew.setDouble(1, 0, TanDegrees(angle_y));
matrix_.preConcat(skew);
}
@@ -189,7 +189,7 @@ void Transform::ApplyPerspectiveDepth(double depth) {
if (matrix_.isIdentity())
matrix_.setDouble(3, 2, -1.0 / depth);
else {
- SkMatrix44 m;
+ SkMatrix44 m(SkMatrix44::kIdentity_Constructor);
m.setDouble(3, 2, -1.0 / depth);
matrix_.preConcat(m);
}
@@ -321,7 +321,7 @@ void Transform::TransformPoint(Point3F& point) const {
bool Transform::TransformPointReverse(Point& point) const {
// TODO(sad): Try to avoid trying to invert the matrix.
- SkMatrix44 inverse;
+ SkMatrix44 inverse(SkMatrix44::kUninitialized_Constructor);
if (!matrix_.invert(&inverse))
return false;
@@ -331,7 +331,7 @@ bool Transform::TransformPointReverse(Point& point) const {
bool Transform::TransformPointReverse(Point3F& point) const {
// TODO(sad): Try to avoid trying to invert the matrix.
- SkMatrix44 inverse;
+ SkMatrix44 inverse(SkMatrix44::kUninitialized_Constructor);
if (!matrix_.invert(&inverse))
return false;
@@ -353,7 +353,7 @@ bool Transform::TransformRectReverse(RectF* rect) const {
if (matrix_.isIdentity())
return true;
- SkMatrix44 inverse;
+ SkMatrix44 inverse(SkMatrix44::kUninitialized_Constructor);
if (!matrix_.invert(&inverse))
return false;
diff --git a/ui/gfx/transform_util.cc b/ui/gfx/transform_util.cc
index c8ef573..9db41c3 100644
--- a/ui/gfx/transform_util.cc
+++ b/ui/gfx/transform_util.cc
@@ -166,7 +166,7 @@ bool DecomposeTransform(DecomposedTransform* decomp,
// Solve the equation by inverting perspectiveMatrix and multiplying
// rhs by the inverse.
- SkMatrix44 inversePerspectiveMatrix;
+ SkMatrix44 inversePerspectiveMatrix(SkMatrix44::kUninitialized_Constructor);
if (!perspectiveMatrix.invert(&inversePerspectiveMatrix))
return false;
@@ -258,35 +258,33 @@ bool DecomposeTransform(DecomposedTransform* decomp,
// Taken from http://www.w3.org/TR/css3-transforms/.
Transform ComposeTransform(const DecomposedTransform& decomp) {
- SkMatrix44 matrix;
+ SkMatrix44 matrix(SkMatrix44::kIdentity_Constructor);
for (int i = 0; i < 4; i++)
matrix.setDouble(3, i, decomp.perspective[i]);
- SkMatrix44 tempTranslation;
- tempTranslation.setTranslate(SkDoubleToMScalar(decomp.translate[0]),
- SkDoubleToMScalar(decomp.translate[1]),
- SkDoubleToMScalar(decomp.translate[2]));
- matrix.preConcat(tempTranslation);
+ matrix.preTranslate(SkDoubleToMScalar(decomp.translate[0]),
+ SkDoubleToMScalar(decomp.translate[1]),
+ SkDoubleToMScalar(decomp.translate[2]));
double x = decomp.quaternion[0];
double y = decomp.quaternion[1];
double z = decomp.quaternion[2];
double w = decomp.quaternion[3];
- SkMatrix44 rotation_matrix;
- rotation_matrix.setDouble(0, 0, 1.0 - 2.0 * (y * y + z * z));
- rotation_matrix.setDouble(0, 1, 2.0 * (x * y - z * w));
- rotation_matrix.setDouble(0, 2, 2.0 * (x * z + y * w));
- rotation_matrix.setDouble(1, 0, 2.0 * (x * y + z * w));
- rotation_matrix.setDouble(1, 1, 1.0 - 2.0 * (x * x + z * z));
- rotation_matrix.setDouble(1, 2, 2.0 * (y * z - x * w));
- rotation_matrix.setDouble(2, 0, 2.0 * (x * z - y * w));
- rotation_matrix.setDouble(2, 1, 2.0 * (y * z + x * w));
- rotation_matrix.setDouble(2, 2, 1.0 - 2.0 * (x * x + y * y));
+ SkMatrix44 rotation_matrix(SkMatrix44::kUninitialized_Constructor);
+ rotation_matrix.set3x3(1.0 - 2.0 * (y * y + z * z),
+ 2.0 * (x * y + z * w),
+ 2.0 * (x * z - y * w),
+ 2.0 * (x * y - z * w),
+ 1.0 - 2.0 * (x * x + z * z),
+ 2.0 * (y * z + x * w),
+ 2.0 * (x * z + y * w),
+ 2.0 * (y * z - x * w),
+ 1.0 - 2.0 * (x * x + y * y));
matrix.preConcat(rotation_matrix);
- SkMatrix44 temp;
+ SkMatrix44 temp(SkMatrix44::kIdentity_Constructor);
if (decomp.skew[2]) {
temp.setDouble(1, 2, decomp.skew[2]);
matrix.preConcat(temp);
@@ -304,11 +302,9 @@ Transform ComposeTransform(const DecomposedTransform& decomp) {
matrix.preConcat(temp);
}
- SkMatrix44 tempScale;
- tempScale.setScale(SkDoubleToMScalar(decomp.scale[0]),
- SkDoubleToMScalar(decomp.scale[1]),
- SkDoubleToMScalar(decomp.scale[2]));
- matrix.preConcat(tempScale);
+ matrix.preScale(SkDoubleToMScalar(decomp.scale[0]),
+ SkDoubleToMScalar(decomp.scale[1]),
+ SkDoubleToMScalar(decomp.scale[2]));
Transform to_return;
to_return.matrix() = matrix;