SkShader::Context* SkBitmapProcShader::onCreateContext(const ContextRec& rec, void* storage) const {
if (!fRawBitmap.getTexture() && !valid_for_drawing(fRawBitmap)) {
return NULL;
}
SkMatrix totalInverse;
// Do this first, so we know the matrix can be inverted.
if (!this->computeTotalInverse(rec, &totalInverse)) {
return NULL;
}
void* stateStorage = (char*)storage + sizeof(BitmapProcShaderContext);
SkBitmapProcState* state = SkNEW_PLACEMENT(stateStorage, SkBitmapProcState);
SkASSERT(state);
state->fTileModeX = fTileModeX;
state->fTileModeY = fTileModeY;
state->fOrigBitmap = fRawBitmap;
if (!state->chooseProcs(totalInverse, *rec.fPaint)) {
state->~SkBitmapProcState();
return NULL;
}
return SkNEW_PLACEMENT_ARGS(storage, BitmapProcShaderContext, (*this, rec, state));
}
SkShader::Context* SkBitmapProcShader::MakeContext(const SkShader& shader,
TileMode tmx, TileMode tmy,
const SkBitmapProvider& provider,
const ContextRec& rec, void* storage) {
SkMatrix totalInverse;
// Do this first, so we know the matrix can be inverted.
if (!shader.computeTotalInverse(rec, &totalInverse)) {
return nullptr;
}
void* stateStorage = (char*)storage + sizeof(BitmapProcShaderContext);
SkBitmapProcState* state = new (stateStorage) SkBitmapProcState(provider, tmx, tmy);
SkASSERT(state);
if (!state->chooseProcs(totalInverse, *rec.fPaint)) {
state->~SkBitmapProcState();
return nullptr;
}
return new (storage) BitmapProcShaderContext(shader, rec, state);
}
SkShader::Context* SkBitmapProcShader::onCreateContext(const ContextRec& rec, void* storage) const {
SkMatrix totalInverse;
// Do this first, so we know the matrix can be inverted.
if (!this->computeTotalInverse(rec, &totalInverse)) {
return NULL;
}
void* stateStorage = (char*)storage + sizeof(BitmapProcShaderContext);
SkBitmapProcState* state = new (stateStorage) SkBitmapProcState;
SkASSERT(state);
state->fTileModeX = fTileModeX;
state->fTileModeY = fTileModeY;
state->fOrigBitmap = fRawBitmap;
if (!state->chooseProcs(totalInverse, *rec.fPaint)) {
state->~SkBitmapProcState();
return NULL;
}
return new (storage) BitmapProcShaderContext(*this, rec, state);
}