store->TotalRowsPerSlice = store->CopyRowsPerSlice =
(height + bh - 1) / bh;
store->CopySlices = depth;
+
+ if (packing->CompressedBlockWidth &&
+ packing->CompressedBlockSize) {
+
+ bw = packing->CompressedBlockWidth;
+
+ if (packing->RowLength) {
+ store->TotalBytesPerRow = packing->CompressedBlockSize *
+ (packing->RowLength + bw - 1) / bw;
+ }
+
+ store->SkipBytes += packing->SkipPixels * packing->CompressedBlockSize / bw;
+ }
+
+ if (dims > 1 && packing->CompressedBlockHeight &&
+ packing->CompressedBlockSize) {
+
+ bh = packing->CompressedBlockHeight;
+
+ store->SkipBytes += packing->SkipRows * store->TotalBytesPerRow / bh;
+ store->CopyRowsPerSlice = (height + bh - 1) / bh; /* rows in blocks */
+
+ if (packing->ImageHeight) {
+ store->TotalRowsPerSlice = (packing->ImageHeight + bh - 1) / bh;
+ }
+ }
+
+ if (dims > 2 && packing->CompressedBlockDepth &&
+ packing->CompressedBlockSize) {
+
+ int bd = packing->CompressedBlockDepth;
+
+ store->SkipBytes += packing->SkipImages * store->TotalBytesPerRow *
+ store->TotalRowsPerSlice / bd;
+ }
}