public TSpaceHint Select(TReflectionWindowStruc RW, double VisibleFactor, float pX, float pY) {
double RW_SqrScale = Math.pow(RW.Scale(), 2);
TSpaceHint Item = Items;
while (Item != null) {
if (RW.Container_IsNodeVisible(Item.BindingPointX, Item.BindingPointY)) {
if ((Item.BaseSquare * RW_SqrScale) >= VisibleFactor) {
TXYCoord P = RW.ConvertToScreen(Item.BindingPointX, Item.BindingPointY);
if (((RW.Xmn <= P.X) && (P.X <= RW.Xmx)) && ((RW.Ymn <= P.Y) && (P.Y <= RW.Ymx))) {
float W = 0;
float H = 0;
// .
synchronized (ItemsImageDataFiles) {
TSpaceHintImageDataFile ImageDataFile =
ItemsImageDataFiles.ItemsTable.get(Item.InfoImageDATAFileID);
if ((ImageDataFile != null) && (ImageDataFile.Data != null)) {
RectF ImageRect = ImageDataFile.Data_GetDestinationRect(ItemImageMinSize);
W = ImageRect.width() + 1.0F;
H = ImageRect.height();
}
}
// .
Rect TR = new Rect();
Item.paint.getTextBounds(Item.InfoString, 0, Item.InfoString.length(), TR);
W += (TR.right - TR.left);
if (Item.InfoStringFontSize > H) H = (TR.bottom - TR.top);
// .
if ((((P.X - ItemSpacing) <= pX) && (pX <= (P.X + W + ItemSpacing)))
&& ((((P.Y - H - ItemSpacing) <= pY) && (pY <= (P.Y + ItemSpacing))))) {
Item.flSelected = true;
return Item.Clone(); // . ->
}
}
}
}
Item.flSelected = false;
// .
Item = Item.Next;
}
return null;
}
public synchronized void DrawOnCanvas(
TReflectionWindowStruc RW, double VisibleFactor, Canvas canvas) {
double RW_SqrScale = Math.pow(RW.Scale(), 2);
// . calculate max item number depends on image square
int SquareOrderHintList_Size = 5 * 4;
// . prepare square ordered item list
TSpaceHintItem SquareOrderHintList = null;
TSpaceHint Item = Items;
while (Item != null) {
if (RW.Container_IsNodeVisible(Item.BindingPointX, Item.BindingPointY)) {
if ((Item.BaseSquare * RW_SqrScale) >= VisibleFactor) {
TXYCoord P = RW.ConvertToScreen(Item.BindingPointX, Item.BindingPointY);
if (((RW.Xmn <= P.X) && (P.X <= RW.Xmx)) && ((RW.Ymn <= P.Y) && (P.Y <= RW.Ymx))) {
int Size = SquareOrderHintList_Size;
TSpaceHintItem LastHintItem = null;
TSpaceHintItem HintItem = SquareOrderHintList;
while (HintItem != null) {
if (HintItem.Item.BaseSquare < Item.BaseSquare) break; // . >
// .
Size--;
if (Size <= 0) break; // . >
// .
LastHintItem = HintItem;
HintItem = HintItem.Next;
}
if (Size > 0)
if (LastHintItem != null)
LastHintItem.Next = new TSpaceHintItem(Item, LastHintItem.Next);
else SquareOrderHintList = new TSpaceHintItem(Item, SquareOrderHintList);
}
}
}
// .
Item = Item.Next;
}
// . re-order item list and prepare a draw list
TSpaceHint[] DrawItemList = new TSpaceHint[SquareOrderHintList_Size];
TSpaceHintItem HintItem = SquareOrderHintList;
for (int I = SquareOrderHintList_Size - 1; I >= 0; I--)
if (HintItem != null) {
DrawItemList[I] = HintItem.Item;
HintItem = HintItem.Next;
} else break; // . >
// . draw list
for (int I = 0; I < DrawItemList.length; I++) {
Item = DrawItemList[I];
if (Item != null) {
TXYCoord P = RW.ConvertToScreen(Item.BindingPointX, Item.BindingPointY);
// . draw image
float Left = (float) P.X;
boolean flImage = false;
synchronized (ItemsImageDataFiles) {
TSpaceHintImageDataFile ImageDataFile =
ItemsImageDataFiles.ItemsTable.get(Item.InfoImageDATAFileID);
if ((ImageDataFile != null) && (ImageDataFile.Data != null)) {
RectF ImageRect = ImageDataFile.Data_GetDestinationRect(ItemImageMinSize);
ImageRect.offset(Left, (float) (P.Y - ImageRect.height()));
// .
canvas.drawBitmap(
ImageDataFile.Data,
ImageDataFile.Data_GetOriginalRect(),
ImageRect,
DrawPointItemImagePaint);
// .
Left += ImageRect.width() + 1.0F;
flImage = true;
}
}
// . draw selection if it exists
if (Item.flSelected) {
Rect TR = new Rect();
Item.paint.getTextBounds(Item.InfoString, 0, Item.InfoString.length(), TR);
float X0, Y0, X1, Y1;
X0 = Left - ItemSpacing;
Y0 = (float) P.Y - (TR.bottom - TR.top) - ItemSpacing;
X1 = Left + (TR.right - TR.left) + ItemSpacing;
Y1 = (float) P.Y + ItemSpacing;
// .
SelectedPaint.setColor(Color.argb(127, 255, 0, 0));
canvas.drawRect(X0, Y0, X1, Y1, SelectedPaint);
float[] Points = {X0, Y0, X1, Y0, X1, Y0, X1, Y1, X1, Y1, X0, Y1, X0, Y1, X0, Y0};
SelectedPaint.setColor(Color.argb(255, 255, 0, 0));
canvas.drawLines(Points, SelectedPaint);
}
// . draw image
if (!flImage) canvas.drawCircle((float) P.X, (float) P.Y, 3.0F, DrawPointPaint);
// . draw text
Paint ShadowPaint = new Paint(Item.paint);
ShadowPaint.setColor(Color.BLACK);
canvas.drawText(Item.InfoString, Left + 1, (float) P.Y + 1, ShadowPaint);
canvas.drawText(Item.InfoString, Left, (float) P.Y, Item.paint);
}
}
}
