float* ofxObject::updateMatrix(float *iParentMatrix)
{
// if the object has multiple parents, the hierarchy tree matrix needs to be set to dirty, using mMatrixDirty.
if (parents.size() > 1) matrixDirty = true;
if (matrixDirty || localMatrixDirty || alwaysMatrixDirty) {
if (localMatrixDirty) {
updateLocalMatrix();
}
//matrix multiplication
Mul(localMatrix, iParentMatrix, matrix);
/*
if(id==1)
printf("matrix:\n%f\t%f\t%f\t%f\n%f\t%f\t%f\t%f\n%f\t%f\t%f\t%f\n%f\t%f\t%f\t%f\n",
matrix[0], matrix[1], matrix[2], matrix[3],
matrix[4], matrix[5], matrix[6], matrix[7],
matrix[8], matrix[9], matrix[10], matrix[11],
matrix[12], matrix[13], matrix[14], matrix[15]);
*/
// set matrix dirty flags of all children
for (unsigned int i = 0; i < children.size(); i++)
children[i]->matrixDirty = true;
//if(id == 1) printf("updateMatrix() %f\n", ofGetElapsedTimef());
//reset matrix dirty flag
matrixDirty = false;
}
return matrix;
}
SkiaCircularGradientShader::SkiaCircularGradientShader(float x, float y, float radius,
uint32_t* colors, float* positions, int count, SkShader* key, SkShader::TileMode tileMode,
SkMatrix* matrix, bool blend):
SkiaSweepGradientShader(kCircularGradient, x, y, colors, positions, count, key,
tileMode, matrix, blend) {
SkMatrix unitMatrix;
toCircularUnitMatrix(x, y, radius, &unitMatrix);
mUnitMatrix.load(unitMatrix);
updateLocalMatrix(matrix);
}
SkiaSweepGradientShader::SkiaSweepGradientShader(float x, float y, uint32_t* colors,
float* positions, int count, SkShader* key, SkMatrix* matrix, bool blend):
SkiaShader(kSweepGradient, key, SkShader::kClamp_TileMode,
SkShader::kClamp_TileMode, matrix, blend),
mColors(colors), mPositions(positions), mCount(count) {
SkMatrix unitMatrix;
toSweepUnitMatrix(x, y, &unitMatrix);
mUnitMatrix.load(unitMatrix);
updateLocalMatrix(matrix);
mIsSimple = count == 2;
}
SkiaLinearGradientShader::SkiaLinearGradientShader(float* bounds, uint32_t* colors,
float* positions, int count, SkShader* key, SkShader::TileMode tileMode,
SkMatrix* matrix, bool blend):
SkiaShader(kLinearGradient, key, tileMode, tileMode, matrix, blend),
mBounds(bounds), mColors(colors), mPositions(positions), mCount(count) {
SkPoint points[2];
points[0].set(bounds[0], bounds[1]);
points[1].set(bounds[2], bounds[3]);
SkMatrix unitMatrix;
toUnitMatrix(points, &unitMatrix);
mUnitMatrix.load(unitMatrix);
updateLocalMatrix(matrix);
mIsSimple = count == 2 && tileMode == SkShader::kClamp_TileMode;
}
SkiaBitmapShader::SkiaBitmapShader(SkBitmap* bitmap, SkShader* key, SkShader::TileMode tileX,
SkShader::TileMode tileY, SkMatrix* matrix, bool blend):
SkiaShader(kBitmap, key, tileX, tileY, matrix, blend), mBitmap(bitmap), mTexture(NULL) {
updateLocalMatrix(matrix);
}