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- <title>Blitz3D Docs</title>
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- <h1>CopyPixel src_x,src_y,src_buffer,dest_x,dest_y,[dest_buffer]</h1>
- <h1>Parameters</h1>
- <table>
- <tr>
- <td>
- src_x - x-coordinate of source pixel to copy from
<br />
- src_y - y-coordinate of source pixel to copy from
<br />
- src_buffer - name of buffer to copy from, e.g. ImageBuffer()
<br />
- dest_x - x-coordinate of destination pixel to copy to
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- dest_y - y-coordinate of destination pixel to copy to
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- dest_buffer (optional) - name of buffer to copy to, e.g. BackBuffer()
- </td>
- </tr>
- </table>
- <h1>Description</h1>
- <table>
- <tr>
- <td>
- You can use this command on a locked buffer for a slight speed-up. See LockBuffer.
<br />
-
<br />
- See also: CopyPixelFast.
- </td>
- </tr>
- </table>
- <h1><a href=../2d_examples/CopyPixel.bb>Example</a></h1>
- <table>
- <tr>
- <td>
- ; CopyPixel/CopyPixelFast Example
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- ; -------------------------------
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-
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- Graphics 640,480,16
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-
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- Print "Press a key to use CopyPixel to copy the top half of an image to the frontbuffer"
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- WaitKey()
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-
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- ; Load an image - can be anything
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- pic=LoadImage("media/blitz_pic.bmp")
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-
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- ; Use CopyPixel to copy the top half of the image to the frontbuffer
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- For y=0 To ImageHeight(pic)/2
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- For x=0 To ImageWidth(pic)
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- CopyPixel x,y,ImageBuffer(pic),x,y
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- Next
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- Next
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-
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- Locate 0,GraphicsHeight()/2
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- Print "Press a key to use CopyPixelFast to copy the bottom half of the image"
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- Print "Once this has finished, you can then press a key to end the program"
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-
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- WaitKey()
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-
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- ; Lock buffer before using CopyPixelFast
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- LockBuffer
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-
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- ; Use CopyPixelFast to copy the bottom half of the image to the frontbuffer
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- For y=0 To (ImageHeight(pic)/2)+ImageHeight(pic)
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- For x=0 To ImageWidth(pic)
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- CopyPixelFast x,y,ImageBuffer(pic),x,y
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- Next
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- Next
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-
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- ; Unlock buffer after using CopyPixelFast
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- UnlockBuffer
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-
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- WaitKey()
- </td>
- </tr>
- </table>
- <br>
- <a target=_top href=../index.htm>Index</a><br>
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