计算机图形课程要求画图形,书中有函数SetPixel

咬狗的人

这个函数的原形是SetPixel(int,int,color);可以在指定坐标处放置象素,在Qt中可有类似函数

wdmxtk002

有，自己查一下qt的文档就知道了

sywh

void QPainter::drawPoint ( const QPointF & position )
Draws a single point at the given position using the current pen's color.

See also Coordinate System.

void QPainter::drawPoint ( const QPoint & position )
This is an overloaded function.

Draws a single point at the given position using the current pen's color.

void QPainter::drawPoint ( int x, int y )
This is an overloaded function.

Draws a single point at position (x, y).