我看了bool save ( const QString & fileName, const char * format = 0, int quality = -1 ) const
,不过关键后面参数值是多少,能举个实例吗?
如果我要保存为JPG格式的话
save ( "123.jpg",
0, -1 ),中间参数给什么值才对呢?
save("qw3.jpg","JPG",-1)也不行啊
QImage image("images/20110114091415349_0.jpg");
QPainter painter;
painter.begin(&image);
//painter.drawEllipse(10,20, 80,70); // draw an ellipse
painter.drawText(10,20,"南京*******有限公司 从左拍车头");
painter.drawText(10,40,"时间:2011-01-12 11:24:53.542");
painter.drawText(10,60,"速度:87Km/h 限速:60Km/h 超速比:26%");
painter.end();
image.save("kkkk.jpg","JPG",-1); // save picture*/
我是这样保存的,执行到最后一句的时候跳出“Signal name:SIGSEGV Signal meaning:Segmentation fault”
[ 此帖被njliu1113在2011-01-14 10:45重新编辑 ]