We would like to be able to开发者_如何学C display a large picture inside a uiscrollview which can be scrolled using two finger, and then allow the user to draw on it using one finger.
I\'m trying to manually draw a line in WPF by overriding the OnRender method of a control and calling the DrawLine method on the given DrawingContext. I read somewhere that this method call doesn\'t i
Okay, I have a 2d Tile Map editor I\'m working on in xna c#. In the Draw method I loop through (with a \'for\' loop) my 2 dimensional array of tiles so that
I am building a chess game and i have a loop that runs through an array of objects and draws images of the chesspieces on winforms (Each picture box represents a piece).
I\'m new to iPhone drawing field. I need to draw simple drawing on iPad. After I clicked button (that I created on same UIView)I need to erase those lines I was drawn.
I\'m trying to make a simple app where a chart is drawn with a line and X axis. I want to fill parts of the view enclosed by chart and X axis with gradient. To fill them I use the following code
I have vector data for buildings on my map and want them to appear extruded, depending on known height.
Drawing line with QPainter. onMousePressed : saving (x0,y0) onMouseReleased : QPainter.drawLine (x0,y0,x1,y1)
I\'m doing a GPS tracking app. Every time it receives a Latitude/Longitude it converts it to (x,y) coordinates and calls drawRect to draw a line between two (x,y) pairs.
I was using the drawing code from this tutorial to let someone draw in a small box: 开发者_JS百科http://www.ifans.com/forums/showthread.php?t=132024
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