SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


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


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


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


This function is available since SDL 2.0.18.


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