SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_RenderLogicalToWindow

Get real coordinates of point in window when given logical coordinates of point in renderer.

Syntax

void SDL_RenderLogicalToWindow(SDL_Renderer * renderer, 
                                    float logicalX, float logicalY,
                                    int *windowX, int *windowY);

Function Parameters

renderer

the renderer from which the window coordinates should be calculated

logicalX

the logical x coordinate

logicalY

the logical y coordinate

windowX

the pointer filled with the real X coordinate in the window

windowY

the pointer filled with the real Y coordinate in the window

Remarks

Logical coordinates will differ from real coordinates when render is scaled and logical renderer size set

Version

This function is available since SDL 3.0.0.

SDL_RenderGetScale
SDL_RenderSetScale
SDL_RenderGetLogicalSize
SDL_RenderSetLogicalSize

CategoryAPI


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