public static AddTextureInfo GetAddTextureInfoForIndexCollection(CreateMeshContract inputParams, ICollection <int> indexCollection)
{
var logger = new Logger(inputParams.LogFilePath);
logger.Log("Start GetAddTextureInfoForIndexCollection");
var angles = inputParams.ClickInputs.Angles;
var addTextureInfo = new AddTextureInfo
{
ImageInfos = new AddTexImageInfo[indexCollection.Count]
};
var imageAlterationParams = new ImageAlterationParams
{
MoldPtDensity = inputParams.PtDensity,
MinImageHeightRatio = inputParams.MinImageHeightRatio,
PercentExtraWidth = inputParams.PercentExtraWidth,
ImageFolder = inputParams.ImageFolder,
InvalidColor = inputParams.InvalidColor,
ResizeType = ResizeType.ResizeSufficiently,
BottomPaddingPercent = inputParams.BottomPaddingPercent
};
var ctr = 0;
foreach (var index in indexCollection)
{
var clickInput = inputParams.ClickInputs.ImageClickInputDetailsList[index];
var angle = angles[index];
var imageParams = ImageProcessor.GetImageParams(inputParams.VariationIn3DCoordinates, inputParams.BackgroundStrippingParams, clickInput, angle, imageAlterationParams);
addTextureInfo.ImageInfos[ctr] = new AddTexImageInfo {
CameraLocation = imageParams.cameraLocation, ImageBitmap = imageParams.Image, LookingAt = imageParams.lookingAt
};
if (ctr == 0)
{
//set the camera ratio
addTextureInfo.CameraRatio = new TextureGenerator.CameraRatio {
XRangeAtInfinity = imageParams.CameraRatio.xRangeAtInfinity, YRangeAtInfinity = imageParams.CameraRatio.yRangeAtInfinity
};
}
//make sure the rest of the images are resized to the same size as the first one so that all texture images are of the same ht
imageAlterationParams.ResizeType = ResizeType.ToSpecifiedSizes;
imageAlterationParams.SpecificResizeHeight = imageParams.Image.Height;
imageAlterationParams.SpecificResizeWidth = imageParams.Image.Width;
ctr++;
}
logger.Log("End GetAddTextureInfoForIndexCollection");
return(addTextureInfo);
}
/// <summary>
/// The width of the object can be more than the diameter of the base disc
/// In such scenarios, we will need to keep some extra padding on each side of disc
/// while cropping the image. This function calculates the amount by which we should pad.
/// </summary>
/// <param name="contract"></param>
/// <returns></returns>
public static double GetExtraPadding(CreateMeshContract contract)
{
var maxExtraPaddingPercent = 0.0;
var bottomPaddingPercent = contract.BottomPaddingPercent;
//for each image
foreach (var clickInput in contract.ClickInputs.ImageClickInputDetailsList)
{
var imageName = clickInput.ImageName;
var bitmapImg = (Bitmap)Image.FromFile(string.Format(@"{0}\{1}", contract.ImageFolder, imageName));
//resize to 100 (small size)
const int newWidth = 100;
var newHeight = newWidth * bitmapImg.Height / bitmapImg.Width;
var imageAlterationParams = new ImageAlterationParams
{
ResizeType = ResizeType.ToSpecifiedSizes,
SpecificResizeHeight = newHeight,
SpecificResizeWidth = newWidth
};
var resizedImage = ImageResizer.ResizeImage(bitmapImg, imageAlterationParams);
//strip background
BackgroundStripper.StripBackground(resizedImage, contract.BackgroundStrippingParams);
//get actual borders for this image
var origImageCorners = ImageCorners.GetImageCornersFromClickInputs(clickInput, contract.MinImageHeightRatio, bottomPaddingPercent);
var actualImageCorners = ImageCorners.GetActualImageCorners(origImageCorners, resizedImage, clickInput.ClickPositionListForImages);
//calculate extra padding percent
var padding = ExtraPadding.GetExtraPaddingPercent(resizedImage, actualImageCorners,
contract.InvalidColor);
//check if it is more than the maximum so far
if (maxExtraPaddingPercent < padding)
{
maxExtraPaddingPercent = padding;
}
}
return(maxExtraPaddingPercent);
}
public static Bitmap GetCroppedImage(ImageClickInputDetails clickInputDetails, Bitmap image, ImageAlterationParams imageAlterationParams)
{
var imgCornersExtra = GetImgCornersWithExtraPadding(clickInputDetails, image, imageAlterationParams);
if (imgCornersExtra.Left >= 0 && imgCornersExtra.Right < image.Width)
{
//crop image from all side
var rectangle = new Rectangle((int)imgCornersExtra.Left, (int)imgCornersExtra.Top, (int)imgCornersExtra.Width, (int)imgCornersExtra.Height);
return(image.Clone(rectangle, image.PixelFormat));
}
else
{
//prepare a new image
var newImg = new Bitmap(Convert.ToInt32(imgCornersExtra.Width), Convert.ToInt32(imgCornersExtra.Height), image.PixelFormat);
var g = Graphics.FromImage(newImg);
g.Clear(imageAlterationParams.InvalidColor);
g.InterpolationMode = InterpolationMode.HighQualityBilinear;
//when overlaying the image, give the top coordinate in the negative direction so that it gets cropped to the top pixel
var topOfImageForOverlay = -imgCornersExtra.Top;
if (imgCornersExtra.Left > 0)
{
//needs trimming from the left
var rectangle = new Rectangle((int)imgCornersExtra.Left, 0, (int)(image.Width - imgCornersExtra.Left - 1), image.Height);
image = image.Clone(rectangle, image.PixelFormat);
g.DrawImage(image, 0, (int)topOfImageForOverlay, image.Width, image.Height);
}
else
{
var moveForwardBy = -imgCornersExtra.Left;
g.DrawImage(image, (int)moveForwardBy, (int)topOfImageForOverlay, image.Width, image.Height);
}
g.Dispose();
return(newImg);
}
}
private static ImageCorners GetImgCornersWithExtraPadding(ImageClickInputDetails clickInputs, Bitmap image, ImageAlterationParams imageAlterationParams)
{
//image corners with respect to the dimensions of click area
var clickImgCorners = ImageCorners.GetImageCornersFromClickInputs(clickInputs, imageAlterationParams.MinImageHeightRatio, imageAlterationParams.BottomPaddingPercent);
//image corners in actual image dimension
var actualImgCorners = ImageCorners.GetActualImageCorners(clickImgCorners, image, clickInputs.ClickPositionListForImages);
//image corners with extra padding on on each side of disc
return(GetModifiedImgCornersForExtraWidth(actualImgCorners, imageAlterationParams.PercentExtraWidth));
}
private static Bitmap GetRotatedCroppedResizedAndStrippedImage(BackgroundStrippingParams strippingParams, ImageClickInputDetails clickInput, ImageAlterationParams imageAlterationParams)
{
//pickup image from the source location
var image = (Bitmap)Image.FromFile(String.Format(@"{0}\{1}", imageAlterationParams.ImageFolder, clickInput.ImageName));
//rotate
image = MainProcessor.RotateImg(image, (float)clickInput.RotateImageBy, imageAlterationParams.InvalidColor);
//crop
image = ImageCropper.GetCroppedImage(clickInput, image, imageAlterationParams);
//resize
image = ImageResizer.ResizeImage(image, imageAlterationParams);
//strip background
BackgroundStripper.StripBackground(image, strippingParams);
return(image);
}
public static ImageParams GetImageParams(double variationIn3DCoordinates, BackgroundStrippingParams strippingParams, ImageClickInputDetails clickInput, double angle, ImageAlterationParams imageAlterationParams)
{
var imageData = GetRotatedCroppedResizedAndStrippedImage(strippingParams, clickInput, imageAlterationParams);
//get camera ratio
var cameraRatio = GetCamRatio(imageData, variationIn3DCoordinates);
var cameraLocationPt = GetCamPos(variationIn3DCoordinates * 4.0, angle, 0.0);
var lookingAtPt = GetCamDir(angle, 0.0, 0.0);
return(new ImageParams
{
InvalidColor = imageAlterationParams.InvalidColor,
Image = imageData,
CameraAtInfinity = true,
cameraLocation = cameraLocationPt,
lookingAt = lookingAtPt,
CameraRatio = cameraRatio
});
}
public static Bitmap ResizeImage(Bitmap image, ImageAlterationParams imageAlterationParams)
{
return(ImageResizer.ResizeImage(image, imageAlterationParams));
}
public static void ApplyImage(CreateMeshContract inputParams, int index, ref Stream moldDataPtr, Logger logger)
{
var clickInput = inputParams.ClickInputs.ImageClickInputDetailsList[index];
var angle = inputParams.ClickInputs.Angles[index];
var imageAlterationParameters = new ImageAlterationParams
{
MoldPtDensity = inputParams.PtDensity,
MinImageHeightRatio = inputParams.MinImageHeightRatio,
PercentExtraWidth = inputParams.PercentExtraWidth,
ImageFolder = inputParams.ImageFolder,
InvalidColor = inputParams.InvalidColor,
ResizeType = ResizeType.ComputeSizeBasedOnPtDensity,
BottomPaddingPercent = inputParams.BottomPaddingPercent
};
var imageParams = ImageProcessor.GetImageParams(inputParams.VariationIn3DCoordinates, inputParams.BackgroundStrippingParams, clickInput, angle, imageAlterationParameters);
if (moldDataPtr == null)
{
moldDataPtr = CreateMoldDataStream(imageParams.Image.Width, imageParams.Image.Height, (float)inputParams.VariationIn3DCoordinates, inputParams.PtDensity, logger);
}
var processMoldParams = new ProcessMoldParams
{
MoldData = moldDataPtr,
ImageParams = imageParams
};
var imagesToObject = new ImagesToObject(processMoldParams, inputParams.LogFilePath);
imagesToObject.ProcessImage();
#region track_changes_for_troubleshooting
if (inputParams.SaveProcessedImages)
{
SaveProcessedImages(processMoldParams.ImageParams.Image, inputParams.ImageFolder, "ibmodeler3_modified_images", index, angle, logger);
}
var imageParamsToBeReused = false;
if (AnalyzeMoldForDataLosses)
{
//if first time, just set values for subsequent use
if (index == 0)
{
FirstImageParams = imageParams;
imageParamsToBeReused = true;
}
else
{
var processMoldParamsForAnalysis = new ProcessMoldParams
{
MoldData = moldDataPtr,
ImageParams = FirstImageParams,
SetColorForRetainedPixels = false
};
int pixelsWithAllPointsLost = MoldFileAnalyzerForImg.ProcessImage(processMoldParamsForAnalysis);
if (pixelsWithAllPointsLost > 0)
{
SaveDataLossImages(FirstImageParams.Image, inputParams.ImageFolder, "ibmodeler3_data_loss_analysis", index, angle, pixelsWithAllPointsLost, logger);
}
}
}
#endregion
//this will dispose off the image data from memory
if (!imageParamsToBeReused)
{
imageParams.Dispose();
}
logger.Log(string.Format("Image applied for camera at an angle of {0} degrees", Math.Round(angle * 180 / Math.PI, 2)));
}
