SDL_SetColorKey - Online Linux Manual PageSection : 3
Updated : Tue 11 Sep 2001, 23:01
Source : SDL
Note : SDL API Reference

---

NAMESDL_SetColorKey − Sets the color key (transparent pixel) in a blittable surface and RLE acceleration​.

---

SYNOPSIS#include "SDL​.h" int SDL_SetColorKey(SDL_Surface *surface, Uint32 flag, Uint32 key);

---

DESCRIPTION
 Sets the color key (transparent pixel) in a blittable surface and enables or disables RLE blit acceleration​. RLE acceleration can substantially speed up blitting of images with large horizontal runs of transparent pixels (i​.e​., pixels that match the key value)​. The key must be of the same pixel format as the surface, SDL_MapRGB is often useful for obtaining an acceptable value​. If flag is SDL_SRCCOLORKEY then key is the transparent pixel value in the source image of a blit​. If flag is OR​'d with SDL_RLEACCEL then the surface will be draw using RLE acceleration when drawn with SDL_BlitSurface​. The surface will actually be encoded for RLE acceleration the first time SDL_BlitSurface or SDL_DisplayFormat is called on the surface​. If flag is 0, this function clears any current color key​.

---

RETURN VALUEThis function returns 0, or -1 if there was an error​.

---

SEE ALSOSDL_BlitSurface, SDL_DisplayFormat, SDL_MapRGB, SDL_SetAlpha 0

---

Johanes Gumabo

---

Data Size   :   6,139 byte
man-SDL_SetColorKey.3Build   :   2024-12-05, 20:55   :  
Visitor Screen   :   x
Visitor Counter ( page / site )   :   3 / 171,222
Visitor ID   :     :  
Visitor IP   :   18.221.161.43   :  
Visitor Provider   :   AMAZON-02   :  
Provider Position ( lat x lon )   :   39.962500 x -83.006100   :   x
Provider Accuracy Radius ( km )   :   1000   :  
Provider City   :   Columbus   :  
Provider Province   :   Ohio ,   :   ,
Provider Country   :   United States   :  
Provider Continent   :   North America   :  
Visitor Recorder   :   Version   :  
Visitor Recorder   :   Library   :  
Online Linux Manual Page   :   Version   :   Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
Online Linux Manual Page   :   Library   :   lib_c - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
Online Linux Manual Page   :   Library   :   lib_m - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
Data Base   :   Version   :   Online Linux Manual Page Database - 24.04.13 - march=x86-64 - mtune=generic - fedora-38
Data Base   :   Library   :   lib_c - 23.02.07 - march=x86-64 - mtune=generic - fedora.36

---

Very long time ago, I have the best tutor, Wenzel Svojanovsky . If someone knows the email address of Wenzel Svojanovsky , please send an email to johanes_gumabo@yahoo.co.id .

---

If error, please print screen and send to johanes_gumabo@yahoo.co.id
Under development. Support me via PayPal.

---