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append patch:about rtgui_dc_client_blit_line. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1650 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
iamyhw@gmail.com 2011-07-25 06:37:00 +00:00
parent a8410acdaa
commit 6f8bf54fb0
1 changed files with 7 additions and 2 deletions
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9
components/rtgui/common/dc_client.c
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@ -443,7 +443,7 @@ static void rtgui_dc_client_blit_line (struct rtgui_dc* self, int x1, int x2, in
if (rtgui_region_is_flat(&(owner->clip)) == RT_EOK) if (rtgui_region_is_flat(&(owner->clip)) == RT_EOK)
{ {
rtgui_rect_t* prect; rtgui_rect_t* prect;
int offset = 0;
prect = &(owner->clip.extents); prect = &(owner->clip.extents);
/* calculate vline intersect */ /* calculate vline intersect */
@ -453,8 +453,13 @@ static void rtgui_dc_client_blit_line (struct rtgui_dc* self, int x1, int x2, in
if (prect->x1 > x1) x1 = prect->x1; if (prect->x1 > x1) x1 = prect->x1;
if (prect->x2 < x2) x2 = prect->x2; if (prect->x2 < x2) x2 = prect->x2;
/* patch note:
* We need to adjust the offset when update widget clip!
* Of course at ordinary times for 0. General */
offset = owner->clip.extents.x1 - owner->extent.x1;
offset = offset * hw_driver->bits_per_pixel/8;
/* draw hline */ /* draw hline */
hw_driver->ops->draw_raw_hline(line_data, x1, x2, y); hw_driver->ops->draw_raw_hline(line_data+offset, x1, x2, y);
} }
else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++) else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
{ {