Canvas style option affects canvas colors and outline.
328
Canvas width:
329
Capture desktop
拍下桌面
330
Capture image
331
Cards
332
Cartesian to polar
333
Center
334
Center horizontally
335
Center of rotation and scaling.
336
Center the image in the smallest possible square or rectangle.
337
Center the image in the smallest possible square or rectangle.<br><br><a href="http://wiki.rw-designer.com/Raster_Image_-_Remove_Empty_Border">More information</a>.