Once again, this is specified using an (x,y) coordinate pair.
同样，这个位置也要用一对 (x,y)坐标来指定。
Draws a rectangle specified by a coordinate pair, a width, and a height.
绘制由座标对、宽度和高度所指定的矩形。
Draws the specified image using its original physical size at the location specified by a coordinate pair.
在由坐标对指定的位置，使用图像的原始物理大小绘制指定的图像。
For this example, only the first coordinate pair from the dots file is used to build the various drawing commands.
对于本示例，只有dots文件中的第一组坐标对将用于构建各种绘制命令。
Draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.
绘制由椭圆形所定义的派形，该椭圆形是由座标对、宽度、高度和两条放射线所指定。
Thus the coordinate pair (100, 75) indicates a position on the screen that is 100 pixels inward from the left edge of the window and 75 pixels down from the top.
所以坐标(100,75)指出在屏幕上的位置就是屏幕左边缘往里100个像素，从上往下75个像素的地方。
Thus the coordinate pair (100, 75) indicates a position on the screen that is 100 pixels inward from the left edge of the window and 75 pixels down from the top.
所以坐标(100,75)指出在屏幕上的位置就是屏幕左边缘往里100个像素，从上往下75个像素的地方。
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