Alexandre Julliard : user32: Add a helper function for copying bits from a window surface.
Alexandre Julliard
julliard at winehq.org
Thu Jul 13 14:41:33 CDT 2017
Module: wine
Branch: master
Commit: 4e13c06f3bc043b454d931ba161b8bf0bfa400ff
URL: http://source.winehq.org/git/wine.git/?a=commit;h=4e13c06f3bc043b454d931ba161b8bf0bfa400ff
Author: Alexandre Julliard <julliard at winehq.org>
Date: Thu Jul 13 11:03:44 2017 +0200
user32: Add a helper function for copying bits from a window surface.
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/user32/painting.c | 50 ++++++++++++++++++++++++++++------------------
dlls/user32/user_private.h | 2 +-
dlls/user32/winpos.c | 2 +-
3 files changed, 33 insertions(+), 21 deletions(-)
diff --git a/dlls/user32/painting.c b/dlls/user32/painting.c
index 7a6b0dc..1bfb86d 100644
--- a/dlls/user32/painting.c
+++ b/dlls/user32/painting.c
@@ -760,6 +760,32 @@ void erase_now( HWND hwnd, UINT rdw_flags )
/***********************************************************************
+ * copy_bits_from_surface
+ *
+ * Copy bits from a window surface; helper for move_window_bits and move_window_bits_parent.
+ */
+static void copy_bits_from_surface( HWND hwnd, struct window_surface *surface,
+ const RECT *dst, const RECT *src )
+{
+ char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
+ BITMAPINFO *info = (BITMAPINFO *)buffer;
+ void *bits;
+ UINT flags = UPDATE_NOCHILDREN;
+ HRGN rgn = get_update_region( hwnd, &flags, NULL );
+ HDC hdc = GetDCEx( hwnd, rgn, DCX_CACHE | DCX_WINDOW | DCX_EXCLUDERGN );
+
+ bits = surface->funcs->get_info( surface, info );
+ surface->funcs->lock( surface );
+ SetDIBitsToDevice( hdc, dst->left, dst->top, dst->right - dst->left, dst->bottom - dst->top,
+ src->left - surface->rect.left, surface->rect.bottom - src->bottom,
+ 0, surface->rect.bottom - surface->rect.top,
+ bits, info, DIB_RGB_COLORS );
+ surface->funcs->unlock( surface );
+ ReleaseDC( hwnd, hdc );
+}
+
+
+/***********************************************************************
* move_window_bits
*
* Move the window bits when a window is resized or its surface recreated.
@@ -767,7 +793,7 @@ void erase_now( HWND hwnd, UINT rdw_flags )
void move_window_bits( HWND hwnd, struct window_surface *old_surface,
struct window_surface *new_surface,
const RECT *visible_rect, const RECT *old_visible_rect,
- const RECT *client_rect, const RECT *valid_rects )
+ const RECT *window_rect, const RECT *valid_rects )
{
RECT dst = valid_rects[0];
RECT src = valid_rects[1];
@@ -776,24 +802,10 @@ void move_window_bits( HWND hwnd, struct window_surface *old_surface,
src.left - old_visible_rect->left != dst.left - visible_rect->left ||
src.top - old_visible_rect->top != dst.top - visible_rect->top)
{
- char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
- BITMAPINFO *info = (BITMAPINFO *)buffer;
- void *bits;
- UINT flags = UPDATE_NOCHILDREN;
- HRGN rgn = get_update_region( hwnd, &flags, NULL );
- HDC hdc = GetDCEx( hwnd, rgn, DCX_CACHE | DCX_EXCLUDERGN );
-
- OffsetRect( &dst, -client_rect->left, -client_rect->top );
- TRACE( "copying %s -> %s\n", wine_dbgstr_rect(&src), wine_dbgstr_rect(&dst) );
- bits = old_surface->funcs->get_info( old_surface, info );
- old_surface->funcs->lock( old_surface );
- SetDIBitsToDevice( hdc, dst.left, dst.top, dst.right - dst.left, dst.bottom - dst.top,
- src.left - old_visible_rect->left - old_surface->rect.left,
- old_surface->rect.bottom - (src.bottom - old_visible_rect->top),
- 0, old_surface->rect.bottom - old_surface->rect.top,
- bits, info, DIB_RGB_COLORS );
- old_surface->funcs->unlock( old_surface );
- ReleaseDC( hwnd, hdc );
+ TRACE( "copying %s -> %s\n", wine_dbgstr_rect( &src ), wine_dbgstr_rect( &dst ));
+ OffsetRect( &src, -old_visible_rect->left, -old_visible_rect->top );
+ OffsetRect( &dst, -window_rect->left, -window_rect->top );
+ copy_bits_from_surface( hwnd, old_surface, &dst, &src );
}
}
diff --git a/dlls/user32/user_private.h b/dlls/user32/user_private.h
index b4a756c..a697fd9 100644
--- a/dlls/user32/user_private.h
+++ b/dlls/user32/user_private.h
@@ -231,7 +231,7 @@ extern void erase_now( HWND hwnd, UINT rdw_flags ) DECLSPEC_HIDDEN;
extern void move_window_bits( HWND hwnd, struct window_surface *old_surface,
struct window_surface *new_surface,
const RECT *visible_rect, const RECT *old_visible_rect,
- const RECT *client_rect, const RECT *valid_rects ) DECLSPEC_HIDDEN;
+ const RECT *window_rect, const RECT *valid_rects ) DECLSPEC_HIDDEN;
extern void *get_hook_proc( void *proc, const WCHAR *module, HMODULE *free_module ) DECLSPEC_HIDDEN;
extern RECT get_virtual_screen_rect(void) DECLSPEC_HIDDEN;
extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
diff --git a/dlls/user32/winpos.c b/dlls/user32/winpos.c
index 87f8deb..a37ab7c 100644
--- a/dlls/user32/winpos.c
+++ b/dlls/user32/winpos.c
@@ -2151,7 +2151,7 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
if (!IsRectEmpty( valid_rects ))
{
move_window_bits( hwnd, old_surface, new_surface, &visible_rect,
- &old_visible_rect, client_rect, valid_rects );
+ &old_visible_rect, window_rect, valid_rects );
valid_rects = NULL; /* prevent the driver from trying to also move the bits */
}
window_surface_release( old_surface );
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