_CLIP - mkilgore/QB64pe GitHub Wiki
The _CLIP option is used in a QB64 graphics PUT to allow placement of an image partially off of the screen.
- _CLIP should be placed immediately before the PUT action if used. XOR is default when not used.
- The offscreen portions of the image will be the omit color.
- GET can get portions of the images off screen in QB64.
Example: Placing an image partially or fully offscreen.
CLS CIRCLE (10,10),10 GET (graphics statement) (0,0)-(20,20), mypic(0) PRINT "This program puts an image off screen." PRINT "Select which option you'd like to try." PRINT "1 will produce an illegal function call." PRINT "1 is putting without _CLIP." PRINT "2 is putting with _CLIP PSET." PRINT "3 is putting with _CLIP XOR." PRINT "4 is putting with _CLIP PSET, 4." INPUT sel IF...THEN sel = 1 THEN PUT (graphics statement) (-10, 10), mypic(0), PSET ' this causes an illegal function call IF...THEN sel = 2 THEN PUT (graphics statement) (-10, 10), mypic(0), _CLIP PSET ' allows graphic to be drawn off-screen IF...THEN sel = 3 THEN PUT (graphics statement) (-10, 10), mypic(0), _CLIP ' uses the default PUT XOR operation IF...THEN sel = 4 THEN PUT (graphics statement) (-10, 10), mypic(0), _CLIP PSET, 4 ' doesn't draw red pixels END '' '' |
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