public Bitmap insertImageWaterMark(clsImageItem item, clsImageWaterMark WM)
{
Point WMPosition;
Point SrcPosition = new Point();
WMPosition = CalculateWMPosition(WM.Layout, WM.ImgWaterMark.Size, WM.OffSet, item.Image.Size);
Bitmap img = new Bitmap(item.Image);
Graphics grPhoto = Graphics.FromImage(img);
if (WM.Layout == WaterMarkLayout.Fill)
{
SrcPosition.X = Math.Abs(WMPosition.X);
SrcPosition.Y = Math.Abs(WMPosition.Y);
WMPosition = new Point();
}
grPhoto.DrawImage(
WM.ImgWaterMark,
new Rectangle(WMPosition.X, WMPosition.Y, img.Width, img.Height),
SrcPosition.X,
SrcPosition.Y,
img.Width,
img.Height,
GraphicsUnit.Pixel
);
return img;
}
public Bitmap CreateAndInsertWaterMark(clsImageItem item, clsWaterMark WM)
{
///
/// THIS IS WRONG, Should be in an IF because of textWaterMark
///
CreateWMImagePiece(item, (clsImageWaterMark)WM);
return insertImageWaterMark(item, (clsImageWaterMark)WM);
}
public Bitmap insertWaterMark(clsImageItem item, int WMIndex)
{
///THIS IS WRONG, Should be in an IF because of textWaterMark
return insertImageWaterMark(item, (clsImageWaterMark)item.WaterMarks[WMIndex]);
}
public Bitmap insertWaterMark(clsImageItem item)
{
///THIS IS WRONG, Should be in a LOOP
return insertImageWaterMark(item, (clsImageWaterMark)item.WaterMarks[0]);
}
public void CreateWaterMark(clsImageItem item)
{
CreateWMImagePiece(item, (clsImageWaterMark)item.WaterMarks[0]);
}
public Bitmap CreateAndInsertWaterMark(clsImageItem item)
{
return CreateAndInsertWaterMark(item, item.WaterMarks[0]);
}
private void CreateWMImagePiece(clsImageItem item, clsImageWaterMark WM)
{
Size NewWMSize = new Size();
Point WMPosition = new Point();
NewWMSize = CalculateWMSize(WM.Layout, WM.ImgWaterMark.Size, item.Image.Size);
WMPosition = CalculateWMPosition(WM.Layout, NewWMSize, WM.OffSet, item.Image.Size);
Bitmap imgPiece = new Bitmap(NewWMSize.Width, NewWMSize.Height, PixelFormat.Format24bppRgb);
imgPiece.SetResolution(item.Image.HorizontalResolution, item.Image.VerticalResolution);
Graphics grPiece = Graphics.FromImage(imgPiece);
grPiece.DrawImage(
item.Image,
new Rectangle(0, 0, imgPiece.Width, imgPiece.Height),
WMPosition.X,
WMPosition.Y,
imgPiece.Width,
imgPiece.Height,
GraphicsUnit.Pixel
);
ImageAttributes imgAttrib = new ImageAttributes();
if (WM.HasTransparentColor)
{
ColorMap colorMap = new ColorMap();
colorMap.OldColor = WM.TransparentColor;
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imgAttrib.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
}
float[][] colorMatrixElements = {
new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, (float)(1.0 - WM.Transparency / 100.0), 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
ColorMatrix wmColorMatrix = new ColorMatrix(colorMatrixElements);
imgAttrib.SetColorMatrix(wmColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
if (WM.Layout == WaterMarkLayout.Repeat)
{
DrawWaterMarkRepetition(ref WM, NewWMSize, imgAttrib);
}
grPiece.DrawImage(
WM.ImgWaterMark,
new Rectangle(0, 0, NewWMSize.Width, NewWMSize.Height),
0,
0,
WM.Width,
WM.Height,
GraphicsUnit.Pixel,
imgAttrib
);
grPiece.Dispose();
WM.ImgWaterMark = imgPiece;
}
private void CreateWMImagePiece(clsImageItem item, int WMIndex)
{
CreateWMImagePiece(item, (clsImageWaterMark)item.WaterMarks[WMIndex]);
}
