Preserved functions in graphics.h

On the basis of easyx.h, graphics.h temporarily retains several bsolete functions to improve compatibility with older code.

The additional functions in graphics.h are as follows.

Function or data type Description
bar Draw a filled rectangle without a border.
bar3d Draw a filled 3D rectangle with a border.
drawpoly Draw a polygon without filling.
fillpoly Draw a filled polygon with a border.
getcolor Get current foreground color.
getmaxx Get the maximum x-coordinate in the physical coordinates of the graphics window.
getmaxy Get the maximum y-coordinate in the physical coordinates of the graphics window.
getx Get current x coordinates.
gety Get current y coordinates.
linerel Draw a line.
lineto Draw a line.
moverel Move current location.
moveto Move current location.
outtext Output a string at current location.
setcolor Set current foreground color.
setwritemode Set binary raster operation mode.
(贡献者:慢羊羊  编辑