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Turn on BitBlt scrolling.

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This commit is contained in:
ehouse 2006-06-24 01:22:10 +00:00
parent 6ecbf11ad6
commit a6d140581c
1 changed files with 34 additions and 42 deletions
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76
xwords4/wince/cedraw.c
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@ -936,50 +936,42 @@ DLSTATIC XP_Bool
DRAW_FUNC_NAME(vertScrollBoard)( DrawCtx* p_dctx, XP_Rect* rect,
XP_S16 dist )
{
#if 0 /* don't turn this on until after ship? */
if ( dist < 0 ) {
return XP_FALSE;
XP_Bool success = XP_FALSE;
/* board passes in the whole board rect, so we need to subtract from it
the height of the area to be overwritten. If dist is negative, the
dest is above the src. Otherwise it's below. */
CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
CEAppGlobals* globals = dctx->globals;
int destY, srcY;
XP_Bool down = dist <= 0;
if ( down ) {
srcY = rect->top;
dist = -dist; /* make it positive */
destY = srcY + dist;
} else {
XP_Bool success = XP_FALSE;
/* board passes in the whole board rect, so we need to subtract from it
the height of the area to be overwritten. If dist is negative, the
dest is above the src. Otherwise it's below. */
CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
CEAppGlobals* globals = dctx->globals;
int destY, srcY;
XP_Bool down = dist <= 0;
if ( down ) {
srcY = rect->top;
dist = -dist; /* make it positive */
destY = srcY + dist;
} else {
destY = rect->top;
srcY = destY + dist;
}
success = BitBlt( globals->hdc, /* HDC hdcDest, */
rect->left, /* int nXDest */
destY,
rect->width, /* width */
rect->height - dist, /* int nHeight */
globals->hdc, /* HDC hdcSrc */
rect->left, /* int nXSrc */
srcY,
SRCCOPY ); /* DWORD dwRop */
/* need to return the rect that must still be redrawn */
if ( success ) {
if ( !down ) {
rect->top += rect->height - dist;
}
rect->height = dist;
}
return success;
destY = rect->top;
srcY = destY + dist;
}
#else
return XP_FALSE;
#endif
success = FALSE != BitBlt( globals->hdc, /* HDC hdcDest, */
rect->left, /* int nXDest */
destY,
rect->width, /* width */
rect->height - dist, /* int nHeight */
globals->hdc, /* HDC hdcSrc */
rect->left, /* int nXSrc */
srcY,
SRCCOPY ); /* DWORD dwRop */
/* need to return the rect that must still be redrawn */
if ( success ) {
if ( !down ) {
rect->top += rect->height - dist;
}
rect->height = dist;
}
return success;
}
#else /* #ifdef DRAW_LINK_DIRECT */
static void