BOOL BfxPixelOpPseudo::FloodSearch(INT32 x, INT32 y, INT32 MinimumArea,
INT32 FloodArray[BFX_PSEUDOFLOODSIZE][2], INT32 * FloodTop)
{
if (IsInRegion(x,y))
{
WriteOriginalPixel(x, y, Colour^1); // make it out of the region
FloodArray[*FloodTop][0]=x;
FloodArray[(*FloodTop)++][1]=y; // save coordinate so we can restore value later
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x-1, y-1, MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x , y-1, MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x+1, y-1, MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x-1, y , MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x+1, y , MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x-1, y+1, MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x , y+1, MinimumArea, FloodArray, FloodTop)) return FALSE;
if (*FloodTop>=MinimumArea) return TRUE;
if (!FloodSearch(x+1, y+1, MinimumArea, FloodArray, FloodTop)) return FALSE;
}
return TRUE;
}
GUIKeyboard::Key* GUIKeyboard::HitTestKey(int x, int y)
{
if (!IsInRegion(x, y))
return NULL;
int rely = y - mRenderY;
int relx = x - mRenderX;
Layout& lay = layouts[currentLayout - 1];
// Find the correct row
int row;
for (row = 0; row < MAX_KEYBOARD_ROWS; ++row) {
if (lay.row_end_y[row] > rely)
break;
}
if (row == MAX_KEYBOARD_ROWS)
return NULL;
// Find the correct key (column)
int col;
int x1 = 0;
for (col = 0; col < MAX_KEYBOARD_KEYS; ++col) {
Key& key = lay.keys[row][col];
if (x1 <= relx && relx < key.end_x && key.key != 0) {
// This is the key that was pressed!
return &key;
}
x1 = key.end_x;
}
return NULL;
}
BOOL BfxPixelOpPseudo::CheckMinimumArea(INT32 MinimumArea, INT32 InitialX, INT32 InitialY, BOOL * FoundRegion)
{
// This is a bodge currently
*FoundRegion = FALSE;
if (IsInRegion(InitialX, InitialY))
{
if (MinimumArea>BFX_PSEUDOFLOODSIZE-1) MinimumArea=BFX_PSEUDOFLOODSIZE-1;
INT32 FloodArray[BFX_PSEUDOFLOODSIZE][2];
INT32 FloodTop=0;
if (!FloodSearch(InitialX, InitialY, MinimumArea, FloodArray, &FloodTop)) return FALSE;
*FoundRegion = (FloodTop >= MinimumArea);
for (INT32 n=0; n<FloodTop; n++) WriteOriginalPixel(FloodArray[n][0], FloodArray[n][1], Colour);
}
return TRUE;
}
BOOL BfxPixelOp32::FloodSearch(INT32 x, INT32 y, INT32 MinimumArea)
{
if (IsCached(x,y) // We've been here before
|| GetCacheMarks()>=MinimumArea) // We've got enough
return TRUE;
if (IsInRegion(x,y))
{
if (!( FloodSearch(x-1, y-1, MinimumArea) &&
FloodSearch(x , y-1, MinimumArea) &&
FloodSearch(x+1, y-1, MinimumArea) &&
FloodSearch(x-1, y , MinimumArea) &&
FloodSearch(x+1, y , MinimumArea) &&
FloodSearch(x-1, y+1, MinimumArea) &&
FloodSearch(x , y+1, MinimumArea) &&
FloodSearch(x+1, y+1, MinimumArea) &&
TRUE)) return TRUE;
}
return TRUE;
}
