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Different Bytes Count of QImage
beecksche last edited by
Does anybody understand the size in bytes of the QImage?
QImage image128(128, 128, QImage::Format_Grayscale8); image128.sizeInBytes(); // == 16384, which is 128*128 QImage image102(102, 102, QImage::Format_Grayscale8); image102.sizeInBytes(); // == 10608, which is NOT 102*102, but 102*104 ?!?
ollarch last edited by
Because of 4 byte alignment (32 bit alignment):
"The width and height must be specified in pixels, data must be 32-bit aligned, and each scanline of data in the image must also be 32-bit aligned"