.\" This manpage content is licensed under Creative Commons .\" Attribution 4.0 International (CC BY 4.0) .\" https://creativecommons.org/licenses/by/4.0/ .\" This manpage was generated from SDL's wiki page for SDL_SetRenderDrawColorFloat: .\" https://wiki.libsdl.org/SDL_SetRenderDrawColorFloat .\" Generated with SDL/build-scripts/wikiheaders.pl .\" revision SDL-3.1.0 .\" Please report issues in this manpage's content at: .\" https://github.com/libsdl-org/sdlwiki/issues/new .\" Please report issues in the generation of this manpage from the wiki at: .\" https://github.com/libsdl-org/SDL/issues/new?title=Misgenerated%20manpage%20for%20SDL_SetRenderDrawColorFloat .\" SDL can be found at https://libsdl.org/ .de URL \$2 \(laURL: \$1 \(ra\$3 .. .if \n[.g] .mso www.tmac .TH SDL_SetRenderDrawColorFloat 3 "SDL 3.1.0" "SDL" "SDL3 FUNCTIONS" .SH NAME SDL_SetRenderDrawColorFloat \- Set the color used for drawing operations (Rect, Line and Clear)\[char46] .SH SYNOPSIS .nf .B #include \(dqSDL3/SDL.h\(dq .PP .BI "int SDL_SetRenderDrawColorFloat(SDL_Renderer *renderer, float r, float g, float b, float a); .fi .SH DESCRIPTION Set the color for drawing or filling rectangles, lines, and points, and for .BR SDL_RenderClear ()\[char46] .SH FUNCTION PARAMETERS .TP .I renderer the rendering context .TP .I r the red value used to draw on the rendering target .TP .I g the green value used to draw on the rendering target .TP .I b the blue value used to draw on the rendering target .TP .I a the alpha value used to draw on the rendering target\[char46] Use .BR SDL_SetRenderDrawBlendMode to specify how the alpha channel is used .SH RETURN VALUE Returns 0 on success or a negative error code on failure; call .BR SDL_GetError () for more information\[char46] .SH AVAILABILITY This function is available since SDL 3\[char46]0\[char46]0\[char46] .SH SEE ALSO .BR SDL_GetRenderDrawColorFloat (3), .BR SDL_SetRenderDrawColor (3)