(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_RenderLine

Draw a line on the current rendering target at subpixel precision.

Header File

Defined in <SDL3/SDL_render.h>

Syntax

bool SDL_RenderLine(SDL_Renderer *renderer, float x1, float y1, float x2, float y2);

Function Parameters

SDL_Renderer *	renderer	the renderer which should draw a line.
float	x1	the x coordinate of the start point.
float	y1	the y coordinate of the start point.
float	x2	the x coordinate of the end point.
float	y2	the y coordinate of the end point.

Return Value

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

Thread Safety

You may only call this function from the main thread.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_RenderLines

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CategoryAPI, CategoryAPIFunction, CategoryRender

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