I opened a 1080p-sized picture (about 1MB in file size), zoomed it in (300%), and tried to pan the image either by using the keyboard or the mouse.
In either case, the CPU usage soared to over 50% (on all 12 threads), the mouse pointer was flashing among the hourglass, the hand, and the regular pointers, and most importantly the panning was slow when I used the mouse wheel to pan down.
If I do the same thing with Windows' Photos, the panning is very smooth, and it the CPU usage does not soar at all. Can this situation be improved for IrfanView? I mean, a 1080p image should not really that taxing on today's fast computers...
In either case, the CPU usage soared to over 50% (on all 12 threads), the mouse pointer was flashing among the hourglass, the hand, and the regular pointers, and most importantly the panning was slow when I used the mouse wheel to pan down.
If I do the same thing with Windows' Photos, the panning is very smooth, and it the CPU usage does not soar at all. Can this situation be improved for IrfanView? I mean, a 1080p image should not really that taxing on today's fast computers...
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