###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_RenderCoordinatesFromWindow Get a point in render coordinates when given a point in window coordinates. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h) ## Syntax ```c int SDL_RenderCoordinatesFromWindow(SDL_Renderer *renderer, float window_x, float window_y, float *x, float *y); ``` ## Function Parameters | | | | | ------------------------------ | ------------ | ------------------------------------------------------------- | | [SDL_Renderer](SDL_Renderer) * | **renderer** | the rendering context. | | float | **window_x** | the x coordinate in window coordinates. | | float | **window_y** | the y coordinate in window coordinates. | | float * | **x** | a pointer filled with the x coordinate in render coordinates. | | float * | **y** | a pointer filled with the y coordinate in render coordinates. | ## Return Value (int) Returns 0 on success or a negative error code on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 3.0.0. ## See Also - [SDL_SetRenderLogicalPresentation](SDL_SetRenderLogicalPresentation) - [SDL_SetRenderScale](SDL_SetRenderScale) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)