/// <summary>
///
/// </summary>
void buildImage()
{
if (busy)
{
return;
}
if (imagePixelated != null && (imagePixelated.Width == rect.Width && imagePixelated.Height == rect.Height))
{
return;
}
imagePixelated = null;
this.Invalidate();
new System.Threading.Thread(new System.Threading.ThreadStart(delegate() {
ImageCreator newImage = new ImageCreator(rect.Width, rect.Height);
for (int y = 0; y < newImage.Height; y++)
{
for (int x = 0; x < newImage.Width; x++)
{
double sx = x / (double)newImage.Width;
double sy = y / (double)newImage.Height;
sx *= source.Width;
sy *= source.Height;
sx = Math.Max(0, sx);
sy = Math.Max(0, sy);
sx = Math.Min(sx, source.Width - 1);
sy = Math.Min(sy, source.Height - 1);
newImage.SetPixel(x, y, source.GetPixel((int)sx, (int)sy));
}
}
if (newImage.Width == rect.Width && newImage.Height == rect.Height)
{
// Create image
Image tmp = newImage.Image;
lock (this) {
imagePixelated = newImage;
}
this.Invalidate();
}
else
{
busy = false;
buildImage();
}
})).Start();
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void ImageViewer_Load(object sender, EventArgs e)
{
new System.Threading.Thread(new System.Threading.ThreadStart(delegate() {
ImageContext ic = new ImageContext(image.Width, image.Height, image);
ImageCreator source = new ImageCreator(image.Width, image.Height);
ic.Lock();
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
source.SetPixel(x, y, ic.GetPixel(x, y));
}
}
ic.Unlock();
lock (this) {
this.source = source;
}
})).Start();
}
public ImageViewer(Bitmap image, Image background = null)
{
InitializeComponent();
this.image = image;
this.background = background;
this.state = State.Idle;
this.zoom = 1.0;
font = new Font("Arial", 14, FontStyle.Bold, GraphicsUnit.Pixel);
shadow = new SolidBrush(Color.FromArgb(128, Color.Black));
line = new Pen(new SolidBrush(Color.Red), 1);
timer = new Timer();
timer.Interval = 40;
timer.Tick += new EventHandler(timer_Tick);
timer.Enabled = true;
this.busy = false;
this.imagePixelated = null;
this.source = null;
}
