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Removed SDL_GetDisplayDPI()

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This function wasn't consistently correct across platforms and devices.

If you want the UI scale factor, you can use display_scale in the structure returned by SDL_GetDesktopDisplayMode(). If you need an approximate DPI, you can multiply this value times 160 on iPhone and Android, and 96 on other platforms.
This commit is contained in:
Sam Lantinga
2023-02-08 15:07:13 -08:00
parent b7c6fec10a
commit 824b9b0a58
28 changed files with 32 additions and 542 deletions
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1
src/dynapi/SDL_dynapi.sym
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@@ -162,7 +162,6 @@ SDL3_0.0.0 {
SDL_GetDefaultCursor;
SDL_GetDesktopDisplayMode;
SDL_GetDisplayBounds;
SDL_GetDisplayPhysicalDPI;
SDL_GetDisplayForPoint;
SDL_GetDisplayForRect;
SDL_GetDisplayName;

1
src/dynapi/SDL_dynapi_overrides.h
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@@ -187,7 +187,6 @@
#define SDL_GetDefaultCursor SDL_GetDefaultCursor_REAL
#define SDL_GetDesktopDisplayMode SDL_GetDesktopDisplayMode_REAL
#define SDL_GetDisplayBounds SDL_GetDisplayBounds_REAL
#define SDL_GetDisplayPhysicalDPI SDL_GetDisplayPhysicalDPI_REAL
#define SDL_GetDisplayForPoint SDL_GetDisplayForPoint_REAL
#define SDL_GetDisplayForRect SDL_GetDisplayForRect_REAL
#define SDL_GetDisplayName SDL_GetDisplayName_REAL

1
src/dynapi/SDL_dynapi_procs.h
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@@ -261,7 +261,6 @@ SDL_DYNAPI_PROC(int,SDL_GetDefaultAudioInfo,(char **a, SDL_AudioSpec *b, int c),
SDL_DYNAPI_PROC(SDL_Cursor*,SDL_GetDefaultCursor,(void),(),return)
SDL_DYNAPI_PROC(const SDL_DisplayMode*,SDL_GetDesktopDisplayMode,(SDL_DisplayID a),(a),return)
SDL_DYNAPI_PROC(int,SDL_GetDisplayBounds,(SDL_DisplayID a, SDL_Rect *b),(a,b),return)
SDL_DYNAPI_PROC(int,SDL_GetDisplayPhysicalDPI,(SDL_DisplayID a, float *b, float *c, float *d),(a,b,c,d),return)
SDL_DYNAPI_PROC(SDL_DisplayID,SDL_GetDisplayForPoint,(const SDL_Point *a),(a),return)
SDL_DYNAPI_PROC(SDL_DisplayID,SDL_GetDisplayForRect,(const SDL_Rect *a),(a),return)
SDL_DYNAPI_PROC(const char*,SDL_GetDisplayName,(SDL_DisplayID a),(a),return)