GrAtlasTextContext::BitmapTextBlob* GrTextBlobCache::createBlob(int glyphCount, int runCount,
size_t maxVASize) {
// We allocate size for the BitmapTextBlob itself, plus size for the vertices array,
// and size for the glyphIds array.
size_t verticesCount = glyphCount * kVerticesPerGlyph * maxVASize;
size_t size = sizeof(BitmapTextBlob) +
verticesCount +
glyphCount * sizeof(GrGlyph::PackedID) +
sizeof(BitmapTextBlob::Run) * runCount;
BitmapTextBlob* cacheBlob = SkNEW_PLACEMENT(fPool.allocate(size), BitmapTextBlob);
// setup offsets for vertices / glyphs
cacheBlob->fVertices = sizeof(BitmapTextBlob) + reinterpret_cast<unsigned char*>(cacheBlob);
cacheBlob->fGlyphIDs =
reinterpret_cast<GrGlyph::PackedID*>(cacheBlob->fVertices + verticesCount);
cacheBlob->fRuns = reinterpret_cast<BitmapTextBlob::Run*>(cacheBlob->fGlyphIDs + glyphCount);
// Initialize runs
for (int i = 0; i < runCount; i++) {
SkNEW_PLACEMENT(&cacheBlob->fRuns[i], BitmapTextBlob::Run);
}
cacheBlob->fRunCount = runCount;
cacheBlob->fPool = &fPool;
return cacheBlob;
}
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));
}
SkDeque* SkLayerRasterizer::ReadLayers(SkReadBuffer& buffer) {
int count = buffer.readInt();
SkDeque* layers = SkNEW_ARGS(SkDeque, (sizeof(SkLayerRasterizer_Rec)));
for (int i = 0; i < count; i++) {
SkLayerRasterizer_Rec* rec = (SkLayerRasterizer_Rec*)layers->push_back();
SkNEW_PLACEMENT(&rec->fPaint, SkPaint);
buffer.readPaint(&rec->fPaint);
buffer.readPoint(&rec->fOffset);
}
return layers;
}
SkOSFile::Iter::Iter(const char path[], const char suffix[]) {
SkNEW_PLACEMENT(fSelf.get(), SkOSFileIterData);
this->reset(path, suffix);
}
SkOSFile::Iter::Iter() {
SkNEW_PLACEMENT(fSelf.get(), SkOSFileIterData);
}
