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invalCellsUnderRect didn't work for rects not intersecting board; fix.

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This commit is contained in:
ehouse 2008-12-16 05:30:25 +00:00
parent bc01341f95
commit 7e2f2fd38e
2 changed files with 29 additions and 26 deletions
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53
xwords4/common/board.c
View file

@ -1126,21 +1126,23 @@ board_setTrayLoc( BoardCtxt* board, XP_U16 trayLeft, XP_U16 trayTop,
void
invalCellsUnderRect( BoardCtxt* board, const XP_Rect* rect )
{
XP_Rect lr = *rect;
XP_U16 left, top, right, bottom;
XP_U16 col, row;
if ( rectsIntersect( rect, &board->boardBounds ) ) {
XP_Rect lr = *rect;
XP_U16 left, top, right, bottom;
XP_U16 col, row;
if ( !coordToCell( board, lr.left, lr.top, &left, &top ) ) {
left = top = 0;
}
if ( !coordToCell( board, lr.left+lr.width, lr.top+lr.height,
&right, &bottom ) ) {
right = bottom = model_numCols( board->model );
}
if ( !coordToCell( board, lr.left, lr.top, &left, &top ) ) {
left = top = 0;
}
if ( !coordToCell( board, lr.left+lr.width, lr.top+lr.height,
&right, &bottom ) ) {
right = bottom = model_numCols( board->model );
}
for ( row = top; row <= bottom; ++row ) {
for ( col = left; col <= right; ++col ) {
invalCell( board, col, row );
for ( row = top; row <= bottom; ++row ) {
for ( col = left; col <= right; ++col ) {
invalCell( board, col, row );
}
}
}
} /* invalCellsUnderRect */
@ -1554,18 +1556,19 @@ figureBoardRect( BoardCtxt* board )
} /* figureBoardRect */
XP_Bool
coordToCell( BoardCtxt* board, XP_U16 x, XP_U16 y, XP_U16* colP, XP_U16* rowP )
coordToCell( BoardCtxt* board, XP_S16 xx, XP_S16 yy, XP_U16* colP,
XP_U16* rowP )
{
XP_U16 col, row, max;
XP_Bool onBoard = XP_TRUE;
x -= board->boardBounds.left;
xx -= board->boardBounds.left;
y -= board->boardBounds.top;
y += board->boardVScale * board->yOffset;
yy -= board->boardBounds.top;
yy += board->boardVScale * board->yOffset;
col = x / board->boardHScale;
row = y / board->boardVScale;
col = xx / board->boardHScale;
row = yy / board->boardVScale;
max = model_numCols( board->model ) - 1;
/* I don't deal with non-square boards yet. */
@ -2710,17 +2713,17 @@ rectContainsPt( const XP_Rect* rect, XP_S16 x, XP_S16 y )
XP_Bool
rectsIntersect( const XP_Rect* rect1, const XP_Rect* rect2 )
{
XP_Bool intersect = XP_TRUE;
if ( rect1->top >= rect2->top + rect2->height ) {
return XP_FALSE;
intersect = XP_FALSE;
} else if ( rect1->left >= rect2->left + rect2->width ) {
return XP_FALSE;
intersect = XP_FALSE;
} else if ( rect2->top >= rect1->top + rect1->height ) {
return XP_FALSE;
intersect = XP_FALSE;
} else if ( rect2->left >= rect1->left + rect1->width ) {
return XP_FALSE;
} else {
return XP_TRUE;
intersect = XP_FALSE;
}
return intersect;
} /* rectsIntersect */
static XP_Bool

2
xwords4/common/boardp.h
View file

@ -233,7 +233,7 @@ void flipIf( const BoardCtxt* board, XP_U16 col, XP_U16 row,
XP_U16* fCol, XP_U16* fRow );
XP_Bool pointOnSomething( BoardCtxt* board, XP_U16 x, XP_U16 y,
BoardObjectType* wp );
XP_Bool coordToCell( BoardCtxt* board, XP_U16 x, XP_U16 y, XP_U16* colP,
XP_Bool coordToCell( BoardCtxt* board, XP_S16 xx, XP_S16 yy, XP_U16* colP,
XP_U16* rowP );
XP_Bool cellOccupied( const BoardCtxt* board, XP_U16 col, XP_U16 row,
XP_Bool inclPending );