private string CreateBackgroundImage(Dictionary <string, Image> imageFiles, SCALEMODE scaling)
{
using (var virtualScreenBitmap = new Bitmap((int)SystemInformation.VirtualScreen.Width, (int)SystemInformation.VirtualScreen.Height))
{
using (var virtualScreenGraphic = Graphics.FromImage(virtualScreenBitmap))
{
Dictionary <string, Image> test = new Dictionary <string, Image>();
var screens = Screen.AllScreens;
int addToCompLeft = 0;
int addToCompTop = 0;
//Can't draw into negative on bitmap -> move everything thats negative to 0 and everything else by that movement
foreach (var item in Screen.AllScreens)
{
if (item.Bounds.Top < 0)
{
addToCompTop = item.Bounds.Top * -1;
}
if (item.Bounds.Left < 0)
{
addToCompLeft = item.Bounds.Left * -1;
}
}
foreach (var screen in screens)
{
var image = (imageFiles.ContainsKey(screen.DeviceName)) ? imageFiles[screen.DeviceName] : null;
var monitorDimensions = screen.Bounds;
var width = monitorDimensions.Width;
var monitorBitmap = new Bitmap(width, monitorDimensions.Height);
var fromImage = Graphics.FromImage(monitorBitmap);
fromImage.FillRectangle(SystemBrushes.Desktop, 0, 0, monitorBitmap.Width, monitorBitmap.Height);
if (image != null) //This Monitor has an Image -> Draw it as wished
{
switch (scaling)
{
case SCALEMODE.CENTERED:
DrawImageCentered(fromImage, image, new Rectangle(0, 0, monitorBitmap.Width, monitorBitmap.Height));
break;
case SCALEMODE.STRETCHED:
DrawImageStretched(fromImage, image, new Rectangle(0, 0, monitorBitmap.Width, monitorBitmap.Height));
break;
case SCALEMODE.OVERSCALED:
DrawImageOverScaled(fromImage, image, new Rectangle(0, 0, monitorBitmap.Width, monitorBitmap.Height));
break;
case SCALEMODE.OVERSCALEDANDCENTERED:
DrawImageOverScaledAndCentered(fromImage, image, new Rectangle(0, 0, monitorBitmap.Width, monitorBitmap.Height));
break;
}
}
//Can't draw into negative on bitmap -> move everything thats negative to 0 and everything else by that movement
var left = monitorDimensions.Left + addToCompLeft;
var top = monitorDimensions.Top + addToCompTop;
Rectangle rectangle = new Rectangle(left, top, monitorDimensions.Width, monitorDimensions.Height);
virtualScreenGraphic.DrawImage(monitorBitmap, rectangle);
virtualScreenGraphic.Save();
}
virtualScreenBitmap.Save(finalImageFullPath, ImageFormat.Png);
}
}
return(this.finalImageFullPath);
}
public string MergeImagesAccordingToMonitors(Dictionary <string, Image> images, SCALEMODE scaling)
{
return(CreateBackgroundImage(images, scaling));
}