From c41a2fc901608c912f73bd7a0e53b3c9ccb58074 Mon Sep 17 00:00:00 2001 From: Peter Hillman Date: Thu, 30 Oct 2025 08:04:36 +1300 Subject: [PATCH] ImfCheckFile: handle partial deep tiles Signed-off-by: Peter Hillman --- src/lib/OpenEXRUtil/ImfCheckFile.cpp | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) Index: openexr-3.2.2/src/lib/OpenEXRUtil/ImfCheckFile.cpp =================================================================== --- openexr-3.2.2.orig/src/lib/OpenEXRUtil/ImfCheckFile.cpp +++ openexr-3.2.2/src/lib/OpenEXRUtil/ImfCheckFile.cpp @@ -654,15 +654,24 @@ readDeepTile (T& in, bool reduceMemory, try { + in.readPixelSampleCounts ( x, y, x, y, xlevel, ylevel); size_t bufferSize = 0; size_t fileBufferSize = 0; - for (int ty = 0; ty < tileHeight; ++ty) + Box2i tileRange = + in.dataWindowForTile (x, y, xlevel, ylevel); + + int thisTileWidth = + tileRange.max.x - tileRange.min.x + 1; + int thisTileHeight = + tileRange.max.y - tileRange.min.y + 1; + + for (int ty = 0; ty < thisTileHeight; ++ty) { - for (int tx = 0; tx < tileWidth; ++tx) + for (int tx = 0; tx < thisTileWidth; ++tx) { fileBufferSize += channelCount * localSampleCount[ty][tx]; @@ -689,9 +698,10 @@ readDeepTile (T& in, bool reduceMemory, pixelBuffer.resize (bufferSize); size_t bufferIndex = 0; - for (int ty = 0; ty < tileHeight; ++ty) + for (int ty = 0; ty < thisTileHeight; ++ty) { - for (int tx = 0; tx < tileWidth; ++tx) + for (int tx = 0; tx < thisTileWidth; + ++tx) { if (!reduceMemory || localSampleCount[ty][tx] *