private static ImageElement GenerateImageElement(Image image, Rectangle destRectangle, OffsetXType offsetX, OffsetYType offsetY)
{
(var zoomImage, var dest) = ZoomImage(image, destRectangle.Height, destRectangle.Width, true);
Rectangle srcRectangle = new Rectangle(0, 0, zoomImage.Width, zoomImage.Height);
var imageElement = new ImageElement {
Image = zoomImage, DestRectangle = destRectangle, SrcRectangle = srcRectangle
};
switch (offsetX)
{
case OffsetXType.PositiveX:
imageElement.OffsetX = dest.X;
break;
case OffsetXType.NegativeX:
imageElement.OffsetX = -dest.X;
break;
case OffsetXType.NoOffsetX:
imageElement.OffsetX = 0;
break;
}
switch (offsetY)
{
case OffsetYType.PositiveY:
imageElement.OffsetY = dest.Y;
break;
case OffsetYType.NegativeY:
imageElement.OffsetY = -dest.Y;
break;
case OffsetYType.NoOffsetY:
imageElement.OffsetY = 0;
break;
}
return(imageElement);
}
private static List <ImageElement> GetImageElements(List <Image> images, Size size, MergeLayoutEnum mergeLayout)
{
List <ImageElement> list = new List <ImageElement>();
var height = size.Height;
var width = size.Width;
int newHeight = 0;
int newWidth = 0;
switch (mergeLayout)
{
case MergeLayoutEnum.Merge1C:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle = new Rectangle(0, 0, width, height);
var imageElement = GenerateImageElement(images[i], destRectangle, OffsetXType.NoOffsetX, OffsetYType.NoOffsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge2TB:
for (int i = 0; i < images.Count; i++)
{
newHeight = height / 2; // =125
newWidth = width; // =250
(var zoomImage, var dest) = ZoomImage(images[i], newHeight, newWidth, true);
var element = new ImageElement {
Image = zoomImage, SrcRectangle = new Rectangle(0, 0, zoomImage.Width, zoomImage.Height)
};
element.DestRectangle = new Rectangle(0, 0, newWidth, newHeight);
if (i == 0)
{
element.OffsetY = dest.Y;
}
else if (i == 1)
{
element.DestRectangle = new Rectangle(0, size.Height / 2, newWidth, newHeight);
element.OffsetY = -dest.Y;
}
list.Add(element);
}
break;
case MergeLayoutEnum.Merge2LR:
for (int i = 0; i < images.Count; i++)
{
newWidth = width / 2; // =125
newHeight = height; // =250
(var zoomImage, var dest) = ZoomImage(images[i], newHeight, newWidth, true);
var element = new ImageElement {
Image = zoomImage, SrcRectangle = new Rectangle(0, 0, zoomImage.Width, zoomImage.Height)
};
element.DestRectangle = new Rectangle(0, 0, newWidth, newHeight);
if (i == 0)
{
element.OffsetX = dest.X;
}
if (i == 1)
{
element.DestRectangle = new Rectangle(size.Width / 2, 0, newWidth, newHeight);
element.OffsetX = -dest.X;
}
list.Add(element);
}
break;
case MergeLayoutEnum.Merge3T1B2:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
newHeight = height / 2; // =125
newWidth = width; // =250
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetY = OffsetYType.PositiveY;
}
else if (i == 1)
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(0, height / 2, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
offsetY = OffsetYType.NegativeY;
}
else
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(width / 2, height / 2, newWidth, newHeight);
offsetY = OffsetYType.NegativeY;
offsetX = OffsetXType.NegativeX;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge3T2B1:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
offsetY = OffsetYType.PositiveY;
}
else if (i == 1)
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(width / 2, 0, newWidth, newHeight);
offsetY = OffsetYType.PositiveY;
offsetX = OffsetXType.NegativeX;
}
else
{
newHeight = height / 2; // =125
newWidth = width; // =250
destRectangle = new Rectangle(0, height / 2, newWidth, newHeight);
offsetY = OffsetYType.NegativeY;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge3L1R2:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
newHeight = height; // =250
newWidth = width / 2; // =125
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
}
else if (i == 1)
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(width / 2, 0, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
offsetY = OffsetYType.PositiveY;
}
else
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(width / 2, height / 2, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
offsetY = OffsetYType.NegativeY;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge3L2R1:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
offsetY = OffsetYType.PositiveY;
}
else if (i == 1)
{
newHeight = height / 2; // =125
newWidth = width / 2; // =125
destRectangle = new Rectangle(0, height / 2, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
offsetY = OffsetYType.NegativeY;
}
else
{
newHeight = height; // =250
newWidth = width / 2; // =125
destRectangle = new Rectangle(width / 2, 0, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge4S:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
newHeight = height / 2; // =125
newWidth = width / 2; // =125
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
offsetY = OffsetYType.PositiveY;
}
else if (i == 1)
{
destRectangle = new Rectangle(width / 2, 0, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
offsetY = OffsetYType.PositiveY;
}
else if (i == 2)
{
destRectangle = new Rectangle(0, height / 2, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
offsetY = OffsetYType.NegativeY;
}
else
{
destRectangle = new Rectangle(width / 2, height / 2, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
offsetY = OffsetYType.NegativeY;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge8T4B4:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
newHeight = height / 2; // =125
newWidth = width / 4; // =125
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetY = OffsetYType.PositiveY;
}
else if (i == 1)
{
destRectangle = new Rectangle(width / 4, 0, newWidth, newHeight);
offsetY = OffsetYType.PositiveY;
}
else if (i == 2)
{
destRectangle = new Rectangle(width / 2, 0, newWidth, newHeight);
offsetY = OffsetYType.PositiveY;
}
else if (i == 3)
{
destRectangle = new Rectangle(width / 4 * 3, 0, newWidth, newHeight);
offsetY = OffsetYType.PositiveY;
}
else if (i == 4)
{
destRectangle = new Rectangle(0, height / 2, newWidth, newHeight);
offsetY = OffsetYType.NegativeY;
}
else if (i == 5)
{
destRectangle = new Rectangle(width / 4, height / 2, newWidth, newHeight);
offsetY = OffsetYType.NegativeY;
}
else if (i == 6)
{
destRectangle = new Rectangle(width / 2, height / 2, newWidth, newHeight);
offsetY = OffsetYType.NegativeY;
}
else
{
destRectangle = new Rectangle(width / 4 * 3, height / 2, newWidth, newHeight);
offsetY = OffsetYType.NegativeY;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
case MergeLayoutEnum.Merge8L4R4:
for (int i = 0; i < images.Count; i++)
{
Rectangle destRectangle;
newHeight = height / 4; // =125
newWidth = width / 2; // =125
OffsetXType offsetX = OffsetXType.NoOffsetX;
OffsetYType offsetY = OffsetYType.NoOffsetY;
if (i == 0)
{
destRectangle = new Rectangle(0, 0, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
}
else if (i == 1)
{
destRectangle = new Rectangle(0, height / 4, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
}
else if (i == 2)
{
destRectangle = new Rectangle(0, height / 2, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
}
else if (i == 3)
{
destRectangle = new Rectangle(0, height / 4 * 3, newWidth, newHeight);
offsetX = OffsetXType.PositiveX;
}
else if (i == 4)
{
destRectangle = new Rectangle(width / 2, 0, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
}
else if (i == 5)
{
destRectangle = new Rectangle(width / 2, height / 4, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
}
else if (i == 6)
{
destRectangle = new Rectangle(width / 2, height / 2, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
}
else
{
destRectangle = new Rectangle(width / 2, height / 4 * 3, newWidth, newHeight);
offsetX = OffsetXType.NegativeX;
}
var imageElement = GenerateImageElement(images[i], destRectangle, offsetX, offsetY);
list.Add(imageElement);
}
break;
}
return(list);
}