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Use the term "points" instead of "screen coordinates"

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It turns out that screen coordinates were confusing people, thinking that meant pixels, when instead they are virtual coordinates; device independent units defined as pixels scaled by the display scale. We'll use the term "points" for this going forward, to reduce confusion.
This commit is contained in:
Sam Lantinga
2023-05-15 11:16:46 -07:00
parent 78251f973d
commit 4de7433a9e
7 changed files with 31 additions and 37 deletions
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6
src/video/winrt/SDL_winrtpointerinput.cpp
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@@ -379,10 +379,8 @@ void WINRT_ProcessMouseMovedEvent(SDL_Window *window, Windows::Devices::Input::M
//
// There may be some room for a workaround whereby OnPointerMoved's values
// are compared to the values from OnMouseMoved in order to detect
// when this bug is active. A suitable transformation could then be made to
// OnMouseMoved's values. For now, however, the system-reported values are sent
// to SDL with minimal transformation: from native screen coordinates (in DIPs)
// to SDL window coordinates.
// when this bug is active. A suitable transformation could then be made to
// OnMouseMoved's values.
//
const Windows::Foundation::Point mouseDeltaInDIPs((float)args->MouseDelta.X, (float)args->MouseDelta.Y);
const Windows::Foundation::Point mouseDeltaInSDLWindowCoords = WINRT_TransformCursorPosition(window, mouseDeltaInDIPs, TransformToSDLWindowSize);