The first ScreenCaptureKit Y-flip used the wrong reference edges, shifting
cropped selections on displays below the main screen. Convert each selection
per-display as scY = appKitY - NSScreen.maxY + SCDisplay.maxY, which
matches both the main and secondary displays.
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Assisted-by: Crush:deepseek-v4-flash-0731
ScreenCaptureKit uses a flipped Y axis relative to AppKit NSScreen frames,
so selections on a display below the main screen produced out-of-bounds
crop rects and "Capture failed". Convert the selection into SCDisplay space
using the matching NSScreen's top edge before cropping.
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Assisted-by: Crush:deepseek-v4-flash-0731
Prints each NSScreen's frame/backing scale/CG display ID and each
SCDisplay's frame/point size, and copies it to the clipboard, so
secondary-display capture failures can be debugged from the menu bar.
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Assisted-by: Crush:deepseek-v4-flash-0731
SCDisplay.width is in points, not pixels: the previous fix sent point
counts to SCStreamConfiguration, producing blurry main-screen captures and
failed secondary-screen captures. Multiply by the backing scale factor of
the screen containing the selection (defaulting to 1x, never forcing 2x).
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Assisted-by: Crush:deepseek-v4-flash-0731
The 1.1.2 retina fix overrode the stream width from the display's pixel
dimensions, which made captures on secondary monitors come out at the
wrong scale or offset. Restore requesting the display's native pixel
resolution and keep the crop scale derived from the actual returned image,
plus guard against out-of-bounds crop rects.
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Assisted-by: Crush:deepseek-v4-flash-0731
The ScreenCaptureKit stream was sized in points at 1x scale, so retina
displays produced half-resolution captures that appeared pixelated.
Request backingScale x pixels and derive the crop scale from the actual
captured image dimensions.
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Assisted-by: Crush:deepseek-v4-flash-0731
TZGyn