public void UpdateRectangleGraphics(ref PictureBox pictureBox, MouseEventArgs e)
{
//refresh picture box
pictureBox.Refresh();
//set corner square to mouse coordinates
double selectWidth = e.X - FirstClickCoords.X;
double selectHeight = e.Y - FirstClickCoords.Y;
int absSelectWidth = Math.Abs(e.X - FirstClickCoords.X);
int absSelectHeight = Math.Abs(e.Y - FirstClickCoords.Y);
int posX1 = (selectWidth >= 0) ? FirstClickCoords.X : e.X;
int posY1 = (selectHeight >= 0) ? FirstClickCoords.Y : e.Y;
int posX2 = (selectWidth >= 0) ? e.X : FirstClickCoords.X;
int posY2 = (selectHeight >= 0) ? e.Y : FirstClickCoords.Y;
int offsetX = ((pictureBox.Width - pictureBox.Image.Width) / 2);
int offsetY = ((pictureBox.Height - pictureBox.Image.Height) / 2);
Point point1 = new Point(posX1 - offsetX, posY1 - offsetY);
Point point2 = new Point(posX2 - offsetX, posY2 - offsetY);
PointF iPoint1 = MandelbrotUtils.GetTranslatedCoordinates(currentIPlaneBounds, point1);
PointF iPoint2 = MandelbrotUtils.GetTranslatedCoordinates(currentIPlaneBounds, point2);
MinR = (iPoint1.X > iPoint2.X) ? iPoint2.X : iPoint1.X;
MaxR = (iPoint1.X < iPoint2.X) ? iPoint2.X : iPoint1.X;
MinI = (iPoint1.Y > iPoint2.Y) ? iPoint2.Y : iPoint1.Y;
MaxI = (iPoint1.Y < iPoint2.Y) ? iPoint2.Y : iPoint1.Y;
Rectangle rect = new Rectangle(posX1, posY1, absSelectWidth, absSelectHeight);
pictureBox.CreateGraphics().DrawRectangle(Pen, rect);
pictureBox.CreateGraphics().DrawString(string.Format("posx: {0:#.###e+00},\n posy:{1}", iPoint1.X, iPoint1.Y), font, Brush, point1);
pictureBox.CreateGraphics().DrawString(string.Format("posx: {0:#.###e+00},\n posy:{1}", iPoint2.X, iPoint2.Y), font, Brush, point2);
}
public void PreviewMandelbrotImage(ref PictureBox pictureBox)
{
currentEmptyBitmap = MandelbrotUtils.GetEmptyPreviewBitmap(pictureBox, currentIPlaneBounds);
Bitmap image = currentEmptyBitmap;
MandelbrotUtils.GenerateMandelbrotImage(ref image, currentIPlaneBounds, FrequencyScale, PhaseOffset);
ContrastingColor = GetContrastingColor(image.GetPixel(0, 0));
Pen = new Pen(ContrastingColor, 1)
{
DashStyle = DashStyle.Dot
};
Brush = new SolidBrush(ContrastingColor);
pictureBox.Image = image;
}
public void UpdateIPlaneAndBitmapDimensions(ref PictureBox pictureBox, IPlaneBoundingRectangle iPlaneDimensions)
{
currentIPlaneBounds = iPlaneDimensions;
currentEmptyBitmap = MandelbrotUtils.GetEmptyPreviewBitmap(pictureBox, iPlaneDimensions);
}
