(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development 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 2.0.18.

Related Functions

• SDL_RenderGetScale
• SDL_RenderSetScale
• SDL_RenderGetLogicalSize
• SDL_RenderSetLogicalSize

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CategoryAPI

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