The problem is not setting the color table in the image before you use it. From the Qt docs (): If format is an indexed color format, the image color table is initially empty and must be sufficiently expanded with setColorCount() or setColorTable() before the image is used. You can try this: glTexSubImage2D(GL_TEXTURE_2D,0,0,0,widthGL,heightGL,GL_LUMINANCE,GL_UNSIGNED_BYTE,noise); //computation QVector colorTable(256); //our grayscale palette QImage mySurface(noise,widthGL,heightGL,QImage::Format_Indexed8); for (int i = 0; i.

Int quality = -1), Method bool QImage::save(const QString &fileName, const char *format, int quality). [const], bool, save, (QIODevice ptr device, string format = 0, int quality = -1), Method. Adobe Indesign Cs6 V8 0 1 Final Crack Updated more. Signature: [static,const] QImage_Format Format_Indexed8. Description: Enum constant QImage::Format_Indexed8. Garmin Norway Topo Property.