private void MainForm_MouseDown(object sender, MouseEventArgs e)
{
clickedPoint = new Point(e.Location.X - Width / 2, e.Location.Y - Height / 2);
if (e.Button == MouseButtons.Right)
{
contextMenuStrip.Show(e.X, e.Y);
}
else if (e.Button == MouseButtons.Left)
{
if (selectedItem != null)
{
float xOffset = 1.0f * (clickedPoint.X - selectedItem.X);
float yOffset = 1.0f * (clickedPoint.Y - selectedItem.Y);
// Scaling
if (Math.Abs(xOffset - ((float)Math.Cos(selectedItem.RotationRadians) * selectedItem.Size.Width / 2 - ImageItem.HandleSize)) < 1.5 * ImageItem.HandleSize &&
Math.Abs(yOffset - (float)Math.Sin(selectedItem.RotationRadians) * selectedItem.Size.Width / 2) < 1.5 * ImageItem.HandleSize)
{
scaling = true;
return;
}
// Rotating
if (Math.Abs(xOffset - (float)Math.Cos(selectedItem.RotationRadians) * selectedItem.Size.Width / 4) < 1.5 * ImageItem.HandleSize &&
Math.Abs(yOffset - (float)Math.Sin(selectedItem.RotationRadians) * selectedItem.Size.Width / 4) < 1.5 * ImageItem.HandleSize)
{
rotating = true;
return;
}
// Moving
if (Math.Abs(xOffset) < 1.5 * ImageItem.HandleSize && Math.Abs(yOffset) < 1.5 * ImageItem.HandleSize)
{
moving = true;
return;
}
// Deleting
if (Math.Abs(xOffset - ((float)Math.Cos(selectedItem.RotationRadians) * selectedItem.Size.Width / 2 + (float)Math.Sin(selectedItem.RotationRadians) * selectedItem.Size.Height / 2 - ImageItem.HandleSize)) < 1.5 * ImageItem.HandleSize &&
Math.Abs(yOffset - ((float)Math.Sin(selectedItem.RotationRadians) * selectedItem.Size.Width / 2 - (float)Math.Cos(selectedItem.RotationRadians) * selectedItem.Size.Height / 2 + ImageItem.HandleSize)) < 1.5 * ImageItem.HandleSize)
{
if (MessageBox.Show("Delete this image?", "Deleting", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
VisionBoard.Current.Items.Remove(selectedItem);
selectedItem = null;
Invalidate();
}
return;
}
}
// Selecting
selectedItem = null;
int selectedIndex = -1;
for (int i = 0; i < VisionBoard.Current.Items.Count; i++) // foreach (ImageItem item in VisionBoard.Items)
{
ImageItem item = (ImageItem)VisionBoard.Current.Items[i];
if (VisionBoard.Current.Reordering && VisionBoard.Current.ReorderCurrentIndex - 1 > i)
{
continue;
}
if (item.HitTest(clickedPoint.X, clickedPoint.Y))
{
if (selectedItem == null || // found one
item.Distance(clickedPoint.X, clickedPoint.Y) < selectedItem.Distance(clickedPoint.X, clickedPoint.Y)) // found another, so select closest to center
{
selectedItem = item;
selectedIndex = i;
}
}
}
if (VisionBoard.Current.Reordering && selectedIndex >= 0)
{
// change order
if (selectedIndex != VisionBoard.Current.ReorderCurrentIndex - 1)
{
VisionBoard.Current.Items.RemoveAt(selectedIndex);
VisionBoard.Current.Items.Insert(VisionBoard.Current.ReorderCurrentIndex - 1, selectedItem);
VisionBoard.Current.IsDirty = true;
}
// increment ReorderCurrentIndex
VisionBoard.Current.ReorderCurrentIndex++;
if (VisionBoard.Current.ReorderCurrentIndex > VisionBoard.Current.Items.Count)
{
VisionBoard.Current.Reordering = false;
}
selectedItem = null;
}
Invalidate();
}
}
public static VisionBoard Read(string filename)
{
VisionBoard visionBoard = new VisionBoard();
if (filename.Length == 0)
{
return(visionBoard);
}
if (!File.Exists(filename))
{
MessageBox.Show(filename, "File does not exist");
return(visionBoard);
}
visionBoard.Filename = filename;
try
{
using (XmlTextReader reader = new XmlTextReader(filename))
{
FileInfo fi = new FileInfo(filename);
string imageDirectory = fi.DirectoryName + "\\" + fi.Name.Substring(0, fi.Name.Length - fi.Extension.Length);
while (reader.Read())
{
reader.MoveToContent();
if (reader.NodeType == System.Xml.XmlNodeType.Element)
{
if (reader.Name == "Image")
{
ImageItem item = new ImageItem();
item.X = int.Parse(reader.GetAttribute("x"));
item.Y = int.Parse(reader.GetAttribute("y"));
item.RotationDegrees = float.Parse(reader.GetAttribute("rotation"));
item.Scale = float.Parse(reader.GetAttribute("scale"));
item.Caption = reader.GetAttribute("caption");
item.Filename = reader.GetAttribute("filename");
string path = imageDirectory + "\\" + item.Filename + ".bmp";
try
{
int index = int.Parse(item.Filename);
if (index >= visionBoard.NextIndex)
{
visionBoard.NextIndex = index + 1;
}
}
catch (Exception) { }
if (File.Exists(path))
{
item.Image = Image.FromFile(path);
visionBoard.Items.Add(item);
}
else
{
MessageBox.Show(path, "File does not exist");
}
}
}
}
reader.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
return(visionBoard);
}
public void PlayAStep(Graphics g, int width, int height)
{
if (itemIndex >= Items.Count || itemIndex < 0)
{
return;
}
ImageItem activeItem = (ImageItem)Items[itemIndex];
// bitmap to draw to and its bitmapG Graphics object
Bitmap bitmap = new Bitmap(width, height);
Graphics bitmapG = Graphics.FromImage(bitmap);
//bitmapG.SetClip(new Rectangle(0, 0, width, height));
// draw bitmapOfStaticItems of all items except activeItem to bitmapG
getBitmapOfStaticItems(width, height, activeItem);
bitmapG.DrawImage(bitmapOfStaticItems, 0, 0);
bitmapG.TranslateTransform(width / 2, height / 2); // center (0,0)
bitmapG.ScaleTransform(ScreensaverForm.ScaleFactor, ScreensaverForm.ScaleFactor); // Scale down to fit
// actualStep between original position & zoomed-in position
int actualStep;
if (Step < MaxStep / 2 - PauseSteps / 2) // zooming in
{
actualStep = Step;
}
else if (Step > MaxStep / 2 + PauseSteps / 2) // zooming out
{
actualStep = MaxStep - Step;
}
else // pausing
{
actualStep = MaxStep / 2 - PauseSteps / 2;
}
// draw activeItem at its current zoom step to bitmapG
// offset to accelerate
//int offset = (int)Math.Round(Math.Sqrt(Math.Pow(HalfMaxStep / 2, 2) - Math.Pow(actualStep - HalfMaxStep / 2, 2))); // offset is in the range of [0..HalfMaxStep], slow moving on the ends and fast moving in the middle
int x = /*-activeItem.X * offset / HalfMaxStep; //*/ (int)Math.Round(Math.Pow((Math.Pow(Math.Abs(activeItem.X), 0.666) / HalfwayStep * actualStep), 1.5));
if (activeItem.X > 0)
{
x = -x;
}
int y = /*-activeItem.Y * offset / HalfMaxStep; //*/ (int)Math.Round(Math.Pow((Math.Pow(Math.Abs(activeItem.Y), 0.33) / HalfwayStep * actualStep), 3)); //-activeItem.Y * actualStep / HalfMaxStep;
if (activeItem.Y > 0)
{
y = -y;
}
float rot = -activeItem.RotationDegrees / HalfwayStep * actualStep;
float maxScale = Math.Min(width * 0.95f / ScreensaverForm.ScaleFactor / activeItem.Size.Width, height * 0.95f / ScreensaverForm.ScaleFactor / activeItem.Size.Height);
float scale = 1 + (maxScale - 1) * actualStep / HalfwayStep;
if (scale == 0)
{
scale = 1;
}
activeItem.Draw(bitmapG, x, y, rot, scale);
// draw the bitmap to the screen
g.DrawImage(bitmap, 0, 0);
bitmapG.Dispose();
}