2012-05-17 4 views

답변

3

http://op4js.optimalesystemer.no/2012/01/10/how-do-i-move-graphics-from-the-canvas-to-an-image/

:

var image := TW3Image.Create(self); 
//create temp graphic and canvas to draw on 
var graph := TW3GraphicContext.Create(NIL); 
graph.Allocate(image.Width, image.Height); 
var canvas := TW3Canvas.Create(graph); 
// Draw some text on the canvas 
canvas.font:='10pt verdana'; 
canvas.FillStyle:='rgb(255,255,255)'; 
canvas.FillTextF('This was generated on a canvas!',10,20,MAXINT); 
//You can load it in as a picture 
image.LoadFromUrl(canvas.toDataUrl('')); 
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