blitz-research
68 lines
2.0 KiB
HTML
68 lines
2.0 KiB
HTML
<html>
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<head>
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<title>Blitz3D Docs</title>
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<link rel=stylesheet href=../css/commands.css type=text/css>
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</head>
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<body>
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<h1>CopyRect src_x,src_y,src_width,src_height,dest_x,dest_y,[src_buffer],[dest_buffer]</h1>
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<h1>Parameters</h1>
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<table>
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<tr>
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<td>
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src_x = source top left x location to begin copying from
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<br />
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src_y = source top left y location to begin copying from
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<br />
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src_width = width of source area to copy
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<br />
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src_height = height of source area to copy
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<br />
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dest_x = destination top left x location to copy to
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<br />
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dest_y = destination top left y location to copy to
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<br />
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src_buffer = handle to the source image buffer (optional)
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dest_buffer = handle to the destination image buffer (optional)
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</td>
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</tr>
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</table>
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<h1>Description</h1>
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<table>
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<tr>
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<td>
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Copies a rectangle of graphics from one buffer to another. If a buffer is omitted, the current buffer is used.
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</td>
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</tr>
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</table>
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<h1><a href=../2d_examples/CopyRect.bb>Example</a></h1>
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<table>
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<tr>
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<td>
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; CopyRect Example
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<br />
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<br />
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; Turn on graphics mode
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Graphics 800,600,16
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; create a blank image
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gfxBlank=CreateImage (300,300)
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; Fill the screen with random boxes in random colors
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For t = 1 To 1000
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Rect Rand(800),Rand(600),Rand(100),Rand(100),Rand(0,1)
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Color Rand(255),Rand(255),Rand(255)
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Next
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; Wait a couple of seconds so the user can see it
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Delay 2000
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; Copy graphics randomly from the front buffer to the blank image
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CopyRect Rand(800),Rand(600),300,300,0,0,FrontBuffer(),ImageBuffer(gfxBlank)
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; Clear the screen, draw the copied to image, wait for user to hit a key
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Cls
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DrawImage gfxBlank,0,0
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WaitKey
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</td>
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</tr>
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</table>
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<br>
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<a target=_top href=../index.htm>Index</a><br>
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<br>
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Click <a href=http://www.blitzbasic.co.nz/b3ddocs/command.php?name=CopyRect&ref=comments target=_blank>here</a> to view the latest version of this page online</body>
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</html>
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