private void DrawPreview()
{
try
{
ImageCaptureInfo copy = imageCaptureInfo;
copy.captureSizeX = previewPictureBox.Width;
copy.captureSizeY = previewPictureBox.Height;
//Show something in the preview
previewImage = CaptureImageFullPreview(ref copy);
float crop_size_x = copy.actual_crop_size_x;
float crop_size_y = copy.actual_crop_size_y;
lastFullCapture = previewImage;
//Draw selection rectangle
DrawCaptureRectangleBitmap();
//Compute image crop coordinates according to selection rectangle
//Get raw image size from imageCaptureInfo.actual_crop_size to compute scaling between raw and rectangle coordinates
//Console.WriteLine("SIZE X: {0}, SIZE Y: {1}", imageCaptureInfo.actual_crop_size_x, imageCaptureInfo.actual_crop_size_y);
imageCaptureInfo.crop_coordinate_left = selectionRectanglePreviewBox.Left * (crop_size_x / previewPictureBox.Width);
imageCaptureInfo.crop_coordinate_right = selectionRectanglePreviewBox.Right * (crop_size_x / previewPictureBox.Width);
imageCaptureInfo.crop_coordinate_top = selectionRectanglePreviewBox.Top * (crop_size_y / previewPictureBox.Height);
imageCaptureInfo.crop_coordinate_bottom = selectionRectanglePreviewBox.Bottom * (crop_size_y / previewPictureBox.Height);
copy.crop_coordinate_left = selectionRectanglePreviewBox.Left * (crop_size_x / previewPictureBox.Width);
copy.crop_coordinate_right = selectionRectanglePreviewBox.Right * (crop_size_x / previewPictureBox.Width);
copy.crop_coordinate_top = selectionRectanglePreviewBox.Top * (crop_size_y / previewPictureBox.Height);
copy.crop_coordinate_bottom = selectionRectanglePreviewBox.Bottom * (crop_size_y / previewPictureBox.Height);
Bitmap full_cropped_capture = CaptureImageFullPreview(ref copy, useCrop: true);
croppedPreviewPictureBox.Image = full_cropped_capture;
lastFullCroppedCapture = full_cropped_capture;
copy.captureSizeX = captureSize.Width;
copy.captureSizeY = captureSize.Height;
//Show matching bins for preview
var capture = CaptureImage();
}
catch (Exception ex)
{
Console.WriteLine("Error: " + ex.ToString());
}
}
private void initImageCaptureInfo()
{
imageCaptureInfo = new ImageCaptureInfo();
selectionTopLeft = new Point(0, 0);
selectionBottomRight = new Point(previewPictureBox.Width, previewPictureBox.Height);
selectionRectanglePreviewBox = new Rectangle(selectionTopLeft.X, selectionTopLeft.Y, selectionBottomRight.X - selectionTopLeft.X, selectionBottomRight.Y - selectionTopLeft.Y);
imageCaptureInfo.featureVectorResolutionX = featureVectorResolutionX;
imageCaptureInfo.featureVectorResolutionY = featureVectorResolutionY;
imageCaptureInfo.captureSizeX = captureSize.Width;
imageCaptureInfo.captureSizeY = captureSize.Height;
imageCaptureInfo.resizeSizeXEng = resizeSizeEng.Width;
imageCaptureInfo.resizeSizeYEng = resizeSizeEng.Height;
imageCaptureInfo.resizeSizeXJpn = resizeSizeJpn.Width;
imageCaptureInfo.resizeSizeYJpn = resizeSizeJpn.Height;
imageCaptureInfo.resizeState = ResizeState.ENG;
imageCaptureInfo.cropOffsetX = cropOffsetX;
imageCaptureInfo.cropOffsetY = cropOffsetY;
imageCaptureInfo.captureAspectRatio = captureAspectRatioX / captureAspectRatioY;
}
public Bitmap CaptureImageFullPreview(ref ImageCaptureInfo imageCaptureInfo, bool useCrop = false)
{
Bitmap b = new Bitmap(1, 1);
//Full screen capture
if (processCaptureIndex < 0)
{
Screen selected_screen = Screen.AllScreens[-processCaptureIndex - 1];
Rectangle screenRect = selected_screen.Bounds;
screenRect.Width = (int)(screenRect.Width * scalingValueFloat);
screenRect.Height = (int)(screenRect.Height * scalingValueFloat);
Point screenCenter = new Point((int)(screenRect.Width / 2.0f), (int)(screenRect.Height / 2.0f));
if (useCrop)
{
//Change size according to selected crop
screenRect.Width = (int)(imageCaptureInfo.crop_coordinate_right - imageCaptureInfo.crop_coordinate_left);
screenRect.Height = (int)(imageCaptureInfo.crop_coordinate_bottom - imageCaptureInfo.crop_coordinate_top);
}
//Compute crop coordinates and width/ height based on resoution
ImageCapture.SizeAdjustedCropAndOffset(screenRect.Width, screenRect.Height, ref imageCaptureInfo);
imageCaptureInfo.actual_crop_size_x = 2 * imageCaptureInfo.center_of_frame_x;
imageCaptureInfo.actual_crop_size_y = 2 * imageCaptureInfo.center_of_frame_y;
if (useCrop)
{
//Adjust for crop offset
imageCaptureInfo.center_of_frame_x += imageCaptureInfo.crop_coordinate_left;
imageCaptureInfo.center_of_frame_y += imageCaptureInfo.crop_coordinate_top;
}
//Adjust for selected screen offset
imageCaptureInfo.center_of_frame_x += selected_screen.Bounds.X;
imageCaptureInfo.center_of_frame_y += selected_screen.Bounds.Y;
imageCaptureInfo.actual_offset_x = 0;
imageCaptureInfo.actual_offset_y = 0;
b = ImageCapture.CaptureFromDisplay(ref imageCaptureInfo);
imageCaptureInfo.actual_offset_x = cropOffsetX;
imageCaptureInfo.actual_offset_y = cropOffsetY;
}
else
{
IntPtr handle = new IntPtr(0);
if (processCaptureIndex >= processList.Length)
{
return(b);
}
if (processCaptureIndex != -1)
{
handle = processList[processCaptureIndex].MainWindowHandle;
}
//Capture from specific process
processList[processCaptureIndex].Refresh();
if ((int)handle == 0)
{
return(b);
}
b = ImageCapture.PrintWindow(handle, ref imageCaptureInfo, full: true, useCrop: useCrop, scalingValueFloat: scalingValueFloat);
}
return(b);
}
public Bitmap CaptureImagePostLoad()
{
ImageCaptureInfo imageCaptureInfo = this.imageCaptureInfo;
imageCaptureInfo.cropOffsetX = 500.0f;
imageCaptureInfo.cropOffsetY = -420.0f;
imageCaptureInfo.captureSizeX = 400;
imageCaptureInfo.captureSizeY = 200;
imageCaptureInfo.resizeSizeXEng = 100;
imageCaptureInfo.resizeSizeYEng = 50;
Bitmap b = new Bitmap(1, 1);
//Full screen capture
if (processCaptureIndex < 0)
{
Screen selected_screen = Screen.AllScreens[-processCaptureIndex - 1];
Rectangle screenRect = selected_screen.Bounds;
screenRect.Width = (int)(screenRect.Width * scalingValueFloat);
screenRect.Height = (int)(screenRect.Height * scalingValueFloat);
Point screenCenter = new Point(screenRect.Width / 2, screenRect.Height / 2);
//Change size according to selected crop
screenRect.Width = (int)(imageCaptureInfo.crop_coordinate_right - imageCaptureInfo.crop_coordinate_left);
screenRect.Height = (int)(imageCaptureInfo.crop_coordinate_bottom - imageCaptureInfo.crop_coordinate_top);
//Compute crop coordinates and width/ height based on resolution
ImageCapture.SizeAdjustedCropAndOffset(screenRect.Width, screenRect.Height, ref imageCaptureInfo);
//Adjust for crop offset
imageCaptureInfo.center_of_frame_x += imageCaptureInfo.crop_coordinate_left;
imageCaptureInfo.center_of_frame_y += imageCaptureInfo.crop_coordinate_top;
//Adjust for selected screen offset
imageCaptureInfo.center_of_frame_x += selected_screen.Bounds.X;
imageCaptureInfo.center_of_frame_y += selected_screen.Bounds.Y;
b = ImageCapture.CaptureFromDisplay(ref imageCaptureInfo, useResize: true);
}
else
{
IntPtr handle = new IntPtr(0);
if (processCaptureIndex >= processList.Length)
{
return(b);
}
if (processCaptureIndex != -1)
{
handle = processList[processCaptureIndex].MainWindowHandle;
}
//Capture from specific process
processList[processCaptureIndex].Refresh();
if ((int)handle == 0)
{
return(b);
}
b = ImageCapture.PrintWindow(handle, ref imageCaptureInfo, useCrop: true, useResize: true);
}
return(b);
}