I know that libJPEG can read not the whole image, using jpeg_read_scanlines .
Does libPNG have such opportunity? I see only png_read_png method.
I know that libJPEG can read not the whole image, using jpeg_read_scanlines . Does
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I know that libJPEG can read not the whole image, using jpeg_read_scanlines .
Does libPNG have such opportunity? I see only png_read_png method.
Did you look at
png_read_row()andpng_read_rows()?Bear in mind that this could have complications if the PNG is interlaced.