NAME¶

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

SYNOPSIS¶

#include <SDL3/SDL_render.h>

bool SDL_RenderCoordinatesToWindow(SDL_Renderer *renderer, float x, float y, float *window_x, float *window_y);

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.

x

the x coordinate in render coordinates.

y

the y coordinate in render coordinates.

window_x

a pointer filled with the x coordinate in window coordinates.

window_y

a pointer filled with the y coordinate in window coordinates.

RETURN VALUE¶

Returns true on success or false on failure; call SDL_GetError() for more information.

THREAD SAFETY¶

This function should only be called on the main thread.

AVAILABILITY¶

This function is available since SDL 3.2.0.

SEE ALSO¶

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