/*
private static void ApplyTransform(string imageName, string imagePath, string transformType)
{
int resX = transformType.X;
int resY = transformType.Y;
string saveAsPath = transformType.SaveAsPath;
Image origImage = loadImage(imageName, imagePath);
float resYPom = ((float)origImage.Height / (float)origImage.Width);
resYPom = resYPom * resX;
if (resY == 0)
{
resY = Convert.ToInt32(resYPom);
}
Bitmap thumbImage;
Graphics g;
switch (transformType)
{
case "resizeByLongerSide":
float origResX = origImage.Width;
float origResY = origImage.Height;
if (origResX > origResY)
{
resY = Convert.ToInt32((origResY / origResX) * resX);
}
else
{
if (origResY > origResX)
{
resX = Convert.ToInt32((origResX / origResY) * resY);
}
}
thumbImage = GetThumbImage(origImage, resX, resY);
break;
case "ResizeAndCrop":
thumbImage = new Bitmap(resX, resY, origImage.PixelFormat);
g = Graphics.FromImage(thumbImage);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
float origSizeX = origImage.Width;
float origSizeY = origImage.Height;
if (origSizeX == origSizeY) //ctverec, jen zmensime
{
thumbImage = GetThumbImage(origImage, resX, resY);
}
if (origSizeX >= origSizeY) //na sirku - orizneme na kazde strane pulku rozdilu (sirka - vyska)
{
int rozdil = Convert.ToInt32(origSizeX - origSizeY);
int rozdilPul = Convert.ToInt32(rozdil / 2);
g.DrawImage(origImage, new Rectangle(0, 0, resX, resY), rozdilPul, 0, (origSizeX - rozdil), origSizeY, GraphicsUnit.Pixel);
}
else // na vysku - orez se provadi v dolni casti
{
int rozdil = Convert.ToInt32(origSizeY - origSizeX);
g.DrawImage(origImage, new Rectangle(0, 0, resX, resY), 0, 0, origSizeX, (origSizeY - rozdil), GraphicsUnit.Pixel);
}
var simRAC1 = new SharpeningImage();
simRAC1.Filter(thumbImage);
break;
default: //Zadne jmeno transformace nepasne, udela se jen resize
thumbImage = GetThumbImage(origImage, resX, resY);
break;
}
SaveImage(thumbImage, saveAsPath);
}
*/
private static Bitmap GetThumbImage(Image origImage, int resX, int resY)
{
Graphics g;
Rectangle oRectangle;
Bitmap thumbImage;
thumbImage = new Bitmap(resX, resY, origImage.PixelFormat);
g = Graphics.FromImage(thumbImage);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
oRectangle = new Rectangle(0, 0, resX, resY);
g.DrawImage(origImage, oRectangle);
if (resX < origImage.Width)
{
SharpeningImage si = new SharpeningImage();
si.Filter(thumbImage);
}
return thumbImage;
}
private static Bitmap DoResizeImage(Photo photo, PhotoType fromType, PhotoType targetType)
{
var fullPath = GetPhotoFullPath(photo, fromType);
var origImage = LoadImage(fullPath);
int resX = targetType.X;
int resY;
float ratio;
//obrazek na sirku nebo ctverec:
if (origImage.Width >= origImage.Height)
{
ratio = (float)origImage.Height / (float)origImage.Width;
resY = Convert.ToInt32(resX * ratio);
}
else //obrazek na vysku.
{
if(targetType.Y.HasValue) //mam zadanou vysku
{
resY = targetType.Y.Value;
ratio = (float)origImage.Width / (float)origImage.Height;
resX = Convert.ToInt32(resY * ratio);
}
else //pokud nemam zadanou vysku, musim to resizovat podle zadane sirky
{
ratio = (float)origImage.Height / (float)origImage.Width;
resY = Convert.ToInt32(resX * ratio);
}
}
var thumbImage = new Bitmap(resX, resY, origImage.PixelFormat);
Graphics g = Graphics.FromImage(thumbImage);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
var oRectangle = new Rectangle(0, 0, resX, resY);
g.DrawImage(origImage, oRectangle);
if (resX < origImage.Width)
{
var si = new SharpeningImage();
si.Filter(thumbImage);
}
origImage.Dispose();
return thumbImage;
}