beginPath beginShape bezierTo clearCachedBitmap clearRect clipPath clipRect closePath drawBitmap drawEllipse drawHandle drawLine drawPath drawRect drawTextAt drawTextAt endShape lineTo moveTo quadTo restoreClip saveClip setBrush setPen ~GiCanvas

drawTextAt() [1/2] virtual float GiCanvas::drawTextAt ( const char *  text, float  x, float  y, float  h, int  align, float  angle  ) pure virtual Draw text in one line. Uses the current font and fill color to draw the text aligned on top. 参数 text The text to draw. x X of horizontal alignment position. y Y of horizontal alignment position. h Text height in point(or pixel) unit. align alignment type, kAlignLeft|kAlignTop. angle Rotate angle in radians, it's positive direction is CCW in the world coordinate system. 返回 Actual display width. 在 GiGdipCanvas, GiShapeAdapter, GiCanvasAdapter, GiRecordCanvas , 以及 GiSvgCanvas 内被实现. 这是这个函数的调用关系图: