public void ResizeWaterMark(HttpPostedFileBase originalImage, int maxWidth, int maxHeight, string path)
{
var originalBmp = new Bitmap(originalImage.InputStream);
//Check EXIF
if (originalBmp.PropertyIdList.Contains(0x0112))
{
int rotationValue = originalBmp.GetPropertyItem(0x0112).Value[0];
switch (rotationValue)
{
case 1: // landscape, do nothing
break;
case 8: // rotated 90 right
// de-rotate:
originalBmp.RotateFlip(RotateFlipType.Rotate270FlipNone);
break;
case 3: // bottoms up
originalBmp.RotateFlip(RotateFlipType.Rotate180FlipNone);
break;
case 6: // rotated 90 left
originalBmp.RotateFlip(RotateFlipType.Rotate90FlipNone);
break;
}
}
float origWidth = originalBmp.Width;
float origHeight = originalBmp.Height;
float sngRatio;
if (origWidth > maxWidth)
{
sngRatio = maxWidth / origWidth;
origWidth = maxWidth;
origHeight = origHeight * sngRatio;
}
if (origHeight > maxHeight)
{
sngRatio = maxHeight / origHeight;
origHeight = maxHeight;
origWidth = origWidth * sngRatio;
}
var bmPhoto = new Bitmap((int)origWidth, (int)origHeight, PixelFormat.Format24bppRgb);
bmPhoto.SetResolution(72, 72);
var grPhoto = Graphics.FromImage(bmPhoto);
grPhoto.SmoothingMode = SmoothingMode.AntiAlias;
//grPhoto.DrawImage(originalBmp, new Rectangle(0, 0, (int)origWidth, (int)origHeight), 0, 0, origWidth, origHeight, GraphicsUnit.Pixel);
grPhoto.DrawImage(originalBmp, 0, 0, origWidth, origHeight);
if (origHeight >= 400 && origWidth >= 400)
{
var bmWatermark = new Bitmap(bmPhoto);
bmWatermark.SetResolution(originalBmp.HorizontalResolution, originalBmp.VerticalResolution);
var grWatermark = Graphics.FromImage(bmWatermark);
//var imageAttributes = new ImageAttributes();
//var colorMap = new ColorMap { OldColor = Color.FromArgb(255, 0, 255, 0), NewColor = Color.FromArgb(0, 0, 0, 0) };
//ColorMap[] remapTable = { colorMap };
//imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
//float[][] colorMatrixElements = { new[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f }, new[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f }, new[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f }, new[] { 0.0f, 0.0f, 0.0f, 0.3f, 0.0f }, new[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f } };
//var wmColorMatrix = new ColorMatrix(colorMatrixElements);
//imageAttributes.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
var imgWatermark = new Bitmap(Server.MapPath("/content/images/logo-watermark.png"));
var wmWidth = imgWatermark.Width;
var wmHeight = imgWatermark.Height;
var xPosOfWm = 50; //(int)((origWidth - wmWidth) - 10);
var yPosOfWm = 50; //(int)((origHeight - wmHeight) - 10);
//const int yPosOfWm = 10;
//grWatermark.DrawImage(imgWatermark, new Rectangle(xPosOfWm, yPosOfWm, wmWidth, wmHeight), 0, 0, wmWidth, wmHeight, GraphicsUnit.Pixel, imageAttributes);
grWatermark.DrawImage(imgWatermark, new Rectangle(xPosOfWm, yPosOfWm, wmWidth, wmHeight), 0, 0, wmWidth, wmHeight, GraphicsUnit.Pixel);
originalBmp = bmWatermark;
grPhoto.Dispose();
grWatermark.Dispose();
imgWatermark.Dispose();
}
//var jgpEncoder = GetEncoder(ImageFormat.Jpeg);
var mimeType = HtmlHelpers.GetMimeType(originalImage.FileName);
var jgpEncoder = HtmlHelpers.GetEncoderInfo(mimeType);
var myEncoder = Encoder.Quality;
var myEncoderParameters = new EncoderParameters(1);
var myEncoderParameter = new EncoderParameter(myEncoder, 90L);
myEncoderParameters.Param[0] = myEncoderParameter;
originalBmp.Save(path, jgpEncoder, myEncoderParameters);
//originalBmp.Save(path, ImageFormat.Jpeg);
originalBmp.Dispose();
}
public static void Resize(HttpPostedFileBase originalImage, int maxWidth, int maxHeight, string path, string font = null, int fontsize = 0)
{
var originalBmp = new Bitmap(originalImage.InputStream);
//Check EXIF
if (originalBmp.PropertyIdList.Contains(0x0112))
{
int rotationValue = originalBmp.GetPropertyItem(0x0112).Value[0];
switch (rotationValue)
{
case 1: // landscape, do nothing
break;
case 8: // rotated 90 right
// de-rotate:
originalBmp.RotateFlip(RotateFlipType.Rotate270FlipNone);
break;
case 3: // bottoms up
originalBmp.RotateFlip(RotateFlipType.Rotate180FlipNone);
break;
case 6: // rotated 90 left
originalBmp.RotateFlip(RotateFlipType.Rotate90FlipNone);
break;
}
}
float origWidth = originalBmp.Width;
float origHeight = originalBmp.Height;
float sngRatio;
if (origWidth > maxWidth)
{
sngRatio = maxWidth / origWidth;
origWidth = maxWidth;
origHeight = origHeight * sngRatio;
}
if (origHeight > maxHeight)
{
sngRatio = maxHeight / origHeight;
origHeight = maxHeight;
origWidth = origWidth * sngRatio;
}
var newBmp = new Bitmap(originalBmp, (int)origWidth, (int)origHeight);
var oGraphics = Graphics.FromImage(newBmp);
oGraphics.SmoothingMode = SmoothingMode.HighQuality;
oGraphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
oGraphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
oGraphics.CompositingQuality = CompositingQuality.HighQuality;
if (font != null)
{
using (var font1 = new Font(font, fontsize, FontStyle.Bold, GraphicsUnit.Pixel))
{
var rect1 = new Rectangle(0, 0, (int)origWidth - 1, (int)origHeight - 1);
var rect2 = new Rectangle(0, 0, (int)origWidth, (int)origHeight);
var stringFormat = new StringFormat {
Alignment = StringAlignment.Far, LineAlignment = StringAlignment.Far
};
oGraphics.DrawString("www.vico.vn", font1, new SolidBrush(Color.FromArgb(255, Color.Black)), rect1, stringFormat);
oGraphics.DrawString("www.vico.vn", font1, new SolidBrush(Color.FromArgb(255, Color.White)), rect2, stringFormat);
//oGraphics.DrawRectangle(Pens.DarkRed, rect1);
}
}
oGraphics.DrawImage(newBmp, 0, 0, origWidth, origHeight);
//var jgpEncoder = GetEncoder(ImageFormat.Jpeg);
var mimeType = HtmlHelpers.GetMimeType(originalImage.FileName);
var jgpEncoder = HtmlHelpers.GetEncoderInfo(mimeType);
var myEncoder = Encoder.Quality;
var myEncoderParameters = new EncoderParameters(1);
var myEncoderParameter = new EncoderParameter(myEncoder, 90L);
myEncoderParameters.Param[0] = myEncoderParameter;
newBmp.Save(path, jgpEncoder, myEncoderParameters);
originalBmp.Dispose();
newBmp.Dispose();
oGraphics.Dispose();
}
