Qt Contributors Summit 2019 HighDpi: Difference between revisions

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== High DPI Session at Qt Contributors Summit 2019 ==
== High DPI Session at Qt Contributors Summit 2019 ==
=== Topics ===
=== Topics ===
* Icons always scaled with fractional factors in QPixmap QIcon::pixmap(QWindow *...) const qicon.cpp:899  
* Icons always blurry/scaled with fractional factors in QPixmap QIcon::pixmap(QWindow *...) const qicon.cpp:899 , (Milian W to report bug), fix it to always downscale?
(Milian W to report bug), fix it to always downscale
* Alternative proposal to fix blurry icons: Use fractional factors only for fonts. For icons, choose closest match and have layout adapt size?
* Separate factors: Use fractional only for fonts, adapt sizes to icons?
* Tor Arne: Concerns about complexity ; Wayland and macOS have scaling built in whereas Windows/Linux require Qt handling. Move scaling code to QPlatformWindow, etc?
* Tor Arne: Concerns about complexity ; Wayland and macOS have scaling built in whereas Windows/Linux require Qt handling. Move scaling code to QPlatformWindow, etc?
* David Edmundson: QML Image's sourceSize property is buggy/misleading, clarify docs at least
* David Edmundson: QML Image's sourceSize property is buggy/misleading, clarify docs at least

Revision as of 07:25, 21 November 2019

High DPI Session at Qt Contributors Summit 2019

Topics

  • Icons always blurry/scaled with fractional factors in QPixmap QIcon::pixmap(QWindow *...) const qicon.cpp:899 , (Milian W to report bug), fix it to always downscale?
  • Alternative proposal to fix blurry icons: Use fractional factors only for fonts. For icons, choose closest match and have layout adapt size?
  • Tor Arne: Concerns about complexity ; Wayland and macOS have scaling built in whereas Windows/Linux require Qt handling. Move scaling code to QPlatformWindow, etc?
  • David Edmundson: QML Image's sourceSize property is buggy/misleading, clarify docs at least

References