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SDL_RenderCoordinatesFromWindow - Get a point in render coordinates when given a point in window

Availability

       This function is available since SDL 3.2.0.

Description

       This takes into account several states:

       • The window dimensions.

       • The logical presentation settings
         ( SDL_SetRenderLogicalPresentation )

       • The scale ( SDL_SetRenderScale )

       • The viewport ( SDL_SetRenderViewport )

Function Parameters

renderer
              the rendering context.

       window_x
              the x coordinate in window coordinates.

       window_y
              the y coordinate in window coordinates.

       x      a pointer filled with the x coordinate in render coordinates.

       y      a pointer filled with the y coordinate in render coordinates.

Header File

       Defined in SDL3/SDL_render.h

Name

       SDL_RenderCoordinatesFromWindow  -  Get  a  point  in  render  coordinates  when  given a point in window
       coordinates.

Return Value

       Returns true on success or false on failure; call

       SDL_GetError () for more information.

See Also

(3), SDL_SetRenderLogicalPresentation(3), (3), SDL_SetRenderScale(3)

Simple Directmedia Layer                           SDL 3.2.10                 SDL_RenderCoordinatesFromWindow(3)

Synopsis

#include"SDL3/SDL.h"boolSDL_RenderCoordinatesFromWindow(SDL_Renderer*renderer,floatwindow_x,floatwindow_y,float*x,float*y);

Thread Safety

       This function should only be called on the main thread.

See Also