SkBitmapCacheDesc SkBitmapCacheDesc::Make(const SkBitmap& bm, int width, int height) {
SkBitmapCacheDesc desc;
desc.fImageID = bm.getGenerationID();
desc.fWidth = width;
desc.fHeight = height;
desc.fBounds = get_bounds_from_bitmap(bm);
return desc;
}
const SkMipMap* SkMipMapCache::FindAndRef(const SkBitmap& src, SkResourceCache* localCache) {
MipMapKey key(src.getGenerationID(), get_bounds_from_bitmap(src));
const SkMipMap* result;
if (!CHECK_LOCAL(localCache, find, Find, key, MipMapRec::Finder, &result)) {
result = NULL;
}
return result;
}
bool SkBitmapCache::Find(const SkBitmap& src, SkScalar invScaleX, SkScalar invScaleY, SkBitmap* result,
SkResourceCache* localCache) {
if (0 == invScaleX || 0 == invScaleY) {
// degenerate, and the key we use for mipmaps
return false;
}
BitmapKey key(src.getGenerationID(), invScaleX, invScaleY, get_bounds_from_bitmap(src));
return CHECK_LOCAL(localCache, find, Find, key, BitmapRec::Finder, result);
}
void SkBitmapCache::Add(const SkBitmap& src, SkScalar invScaleX, SkScalar invScaleY,
const SkBitmap& result, SkResourceCache* localCache) {
if (0 == invScaleX || 0 == invScaleY) {
// degenerate, and the key we use for mipmaps
return;
}
SkASSERT(result.isImmutable());
BitmapRec* rec = SkNEW_ARGS(BitmapRec, (src.getGenerationID(), invScaleX, invScaleY,
get_bounds_from_bitmap(src), result));
CHECK_LOCAL(localCache, add, Add, rec);
src.pixelRef()->notifyAddedToCache();
}
