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Mouse coordinates are floating point

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You can get sub-pixel mouse coordinates and motion depending on the platform and display scaling.

Fixes https://github.com/libsdl-org/SDL/issues/2999
This commit is contained in:
Sam Lantinga
2022-12-29 19:31:12 -08:00
parent 8c3239dee5
commit cefbeb582f
52 changed files with 564 additions and 654 deletions
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14
include/SDL3/SDL_render.h
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@@ -1034,10 +1034,10 @@ extern DECLSPEC void SDLCALL SDL_GetRenderScale(SDL_Renderer * renderer,
* \sa SDL_GetRenderLogicalSize
* \sa SDL_SetRenderLogicalSize
*/
extern DECLSPEC void SDLCALL SDL_RenderWindowToLogical(SDL_Renderer * renderer,
int windowX, int windowY,
float *logicalX, float *logicalY);
extern DECLSPEC void SDLCALL SDL_RenderWindowToLogical(SDL_Renderer *renderer,
float windowX, float windowY,
float *logicalX, float *logicalY);
/**
* Get real coordinates of point in window when given logical coordinates of
@@ -1060,9 +1060,9 @@ extern DECLSPEC void SDLCALL SDL_RenderWindowToLogical(SDL_Renderer * renderer,
* \sa SDL_GetRenderLogicalSize
* \sa SDL_SetRenderLogicalSize
*/
extern DECLSPEC void SDLCALL SDL_RenderLogicalToWindow(SDL_Renderer * renderer,
float logicalX, float logicalY,
int *windowX, int *windowY);
extern DECLSPEC void SDLCALL SDL_RenderLogicalToWindow(SDL_Renderer *renderer,
float logicalX, float logicalY,
float *windowX, float *windowY);
/**
* Set the color used for drawing operations (Rect, Line and Clear).