9
0
Fork 0

Fix an error in the NX move logic

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3766 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2011-07-10 18:54:54 +00:00
parent e47459a207
commit b1f1796b34
4 changed files with 17 additions and 7 deletions

View File

@ -252,6 +252,8 @@ static inline void nxbg_scroll(NXWINDOW hwnd, int lineheight)
/* Move the display in the range of 0-height up one lineheight. The
* line at the bottom will be reset to the background color automatically.
*
* The source rectangle to be moved.
*/
rect.pt1.x = 0;
@ -259,9 +261,13 @@ static inline void nxbg_scroll(NXWINDOW hwnd, int lineheight)
rect.pt2.x = g_bgstate.wsize.w - 1;
rect.pt2.y = g_bgstate.wsize.h - 1;
/* The offset that determines how far to move the source rectangle */
offset.x = 0;
offset.y = -lineheight;
/* Move the source rectangle */
ret = nx_move(hwnd, &rect, &offset);
if (ret < 0)
{

View File

@ -1889,4 +1889,6 @@
(also submitted by Hal Glenn).
* graphics/nxfonts/nxfonts_convert.c: Fixed a critical bug that caused
when renderer some fonts with bits-per-pixel > 8
* graphics/nxbe/nxbe_move.c: Fixed an error in the graphics move logic (This
was a previously untested interface). Basically, there is some confusion
between use of (x,y) as a relative offset or as an absolute position.

View File

@ -12,7 +12,7 @@
<h1><big><font color="#3c34ec">
<i>NX Graphics Subsystem</i>
</font></big></h1>
<p>Last Updated: March 20, 2010</p>
<p>Last Updated: July 10, 2011</p>
</td>
</tr>
</table>
@ -3014,7 +3014,7 @@ make
<td align="left" valign="top"><a href="#nxmove"><code>nx_move()</code></a></td>
<td>Change to <code>CONFIG_EXAMPLES_NX_RAWWINDOWS=y</code> in the
<code>&lt;NuttX-Directory&gt;/.config</code> file</td>
<td align="center" bgcolor="lightgrey">NO</td>
<td align="center" bgcolor="skyblue">YES</td>
</tr>
<tr>
<td align="left" valign="top"><a href="#nxbitmap"><code>nx_bitmap()</code></a></td>

View File

@ -89,12 +89,14 @@ static void nxbe_clipmovesrc(FAR struct nxbe_clipops_s *cops,
FAR const struct nxgl_rect_s *rect)
{
struct nxbe_move_s *info = (struct nxbe_move_s *)cops;
struct nxgl_point_s offset;
if (info->offset.x != 0 || info->offset.y != 0)
{
struct nxgl_rect_s dest;
nxgl_rectoffset(&dest, rect, info->offset.x, info->offset.y);
plane->moverectangle(&plane->pinfo, &dest, &info->offset);
offset.x = rect->pt1.x + info->offset.x;
offset.y = rect->pt1.y + info->offset.y;
plane->moverectangle(&plane->pinfo, rect, &offset);
}
}
@ -156,7 +158,7 @@ static void nxbe_clipmovedest(FAR struct nxbe_clipops_s *cops,
}
}
/* Cip to determine what is inside the bounds */
/* Clip to determine what is inside the bounds */
nxgl_rectoffset(&tmprect1, rect, -offset.x, -offset.y);
nxgl_rectintersect(&src, &tmprect1, &dstdata->srcrect);