Convert the coordinates in an event to render coordinates.
Defined in <SDL3/SDL_render.h>
renderer | the rendering context |
event | the event to modify |
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
Touch coordinates are converted from normalized coordinates in the window to non-normalized rendering coordinates.
Once converted, the coordinates may be outside the rendering area.
This function is available since SDL 3.0.0.