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Fix case where rectangle is moved horizonatlly

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2832 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-08-08 14:35:11 +00:00
parent 37b25cfaaa
commit a4f78f5ad0
1 changed files with 3 additions and 2 deletions
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5
graphics/nxglib/fb/nxglib_moverectangle.c
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@ -192,7 +192,7 @@ void NXGL_FUNCNAME(nxgl_moverectangle,NXGLIB_SUFFIX)
* postion below (or to the right) in the source in framebuffer memory. * postion below (or to the right) in the source in framebuffer memory.
*/ */
if (offset->y < 0) if (offset->y < 0 || (offset->y == 0 && offset->x <= 0))
{ {
/* Yes.. Copy the rectangle from top down (i.e., adding the stride /* Yes.. Copy the rectangle from top down (i.e., adding the stride
* to move to the next, lower row) */ * to move to the next, lower row) */
@ -228,7 +228,8 @@ void NXGL_FUNCNAME(nxgl_moverectangle,NXGLIB_SUFFIX)
dline += hoffset; dline += hoffset;
/* Copy the rectangle from the bottom up (i.e., subtracting stride /* Copy the rectangle from the bottom up (i.e., subtracting stride
* to re-position to the previous, higher row) */ * to re-position to the previous, higher row)
*/
while (rows--) while (rows--)
{ {